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Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/Tooltip.py | python | ToolTip.spawn | ( self, event=None ) | Spawn the ToolTip. This simply makes the ToolTip eligible for display.
Usually this is caused by entering the widget
Arguments:
event: The event that called this funciton | Spawn the ToolTip. This simply makes the ToolTip eligible for display.
Usually this is caused by entering the widget
Arguments:
event: The event that called this funciton | [
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"""
Spawn the ToolTip. This simply makes the ToolTip eligible for display.
Usually this is caused by entering the widget
Arguments:
event: The event that called this funciton
"""
self.visible = 1
# The after function takes a time argument in miliseconds
self.after( int( ToolTip.ShowTipDelay * 1000 ), self.show ) | [
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Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/Tooltip.py | python | ToolTip.show | ( self ) | Displays the ToolTip if the time delay has been long enough | Displays the ToolTip if the time delay has been long enough | [
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"""
Displays the ToolTip if the time delay has been long enough
"""
if ToolTip.ShowToolTips is False: return
text = self.msgVar.get()
if ToolTip.ShowTipNumber is True and self.TipID is not None:
# check if text is not there, if so add it
if self.TipNumText not in text:
self.msgVar.set(self.TipNumText+text)
else:
text.replace(self.TipNumText,"")
self.msgVar.set(text)
if self.visible == 1 and time() - self.lastMotion > ToolTip.ShowTipDelay:
self.visible = 2
if self.visible == 2:
self.deiconify() | [
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Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/Tooltip.py | python | ToolTip.move | ( self, event ) | Processes motion within the widget.
Arguments:
event: The event that called this function | Processes motion within the widget.
Arguments:
event: The event that called this function | [
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"""
Processes motion within the widget.
Arguments:
event: The event that called this function
"""
self.lastMotion = time()
# If the follow flag is not set, motion within the widget will
# make the ToolTip dissapear
if self.follow == False:
self.withdraw()
self.visible = 1
# Offset the ToolTip 10x10 pixels southeast of the pointer
self.geometry( '+%i+%i' % ( event.x_root+10, event.y_root+10 ) )
# Try to call the message function. Will not change the message
# if the message function is None or the message function fails
try: self.msgVar.set( self.msgFunc() )
except: pass
self.after( int( ToolTip.ShowTipDelay * 1000 ), self.show ) | [
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Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/Tooltip.py | python | ToolTip.hide | ( self, event=None ) | Hides the ToolTip. Usually this is caused by leaving the widget
Arguments:
event: The event that called this function | Hides the ToolTip. Usually this is caused by leaving the widget
Arguments:
event: The event that called this function | [
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"""
Hides the ToolTip. Usually this is caused by leaving the widget
Arguments:
event: The event that called this function
"""
self.visible = 0
self.withdraw() | [
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Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/Mapping.py | python | ControlMapping.SetControlMapping | ( self ) | Can't seem to get a foucs highlight around some of the controls.
So I'm using color changes to show focus/tab stops.
Also, the Scale does not seem to get focus by clicking on it
Need to force focus when the user clicks on it | Can't seem to get a foucs highlight around some of the controls.
So I'm using color changes to show focus/tab stops.
Also, the Scale does not seem to get focus by clicking on it
Need to force focus when the user clicks on it | [
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#Style().configure('.', font=('Helvetica', 12)) # all
Style().configure('RedMessage.TLabel',font=('Arial',10,"italic"),foreground='red')
# These dont work since they're overriden by the map later on... ???
Style().configure('Error.TEntry',background='red',foreground='white')
Style().configure('OK.TEntry',background='white',foreground='black')
Style().configure('DataLabel.TLabel',foreground='blue',font=('Arial',10))
Style().configure('StatusBar.TLabel',background=self.FocusColor,relief=SUNKEN)
Style().configure('TMenu',background='white',activeforeground='lightblue')
'''
Can't seem to get a foucs highlight around some of the controls.
So I'm using color changes to show focus/tab stops.
Also, the Scale does not seem to get focus by clicking on it
Need to force focus when the user clicks on it
'''
Style().map('TPanedwindow',
background = [
('!active','#f0f0ff'),
],
)
Style().map('TCombobox',
fieldbackground = [
('focus','!disabled',self.FocusColor),
('!focus','active','!disabled',self.NoFocusMouseOverColor),
('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
#('disabled','lightgray'), # Use foreground
],
foreground = [
('disabled','gray'),
('!disabled', 'black')
],
selectbackground = [
('focus','!disabled',self.FocusColor),
('!focus','active','!disabled',self.NoFocusMouseOverColor),
('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
#('disabled','lightgray'),
],
selectforeground = [
('!focus','black'),
('readonly','black'),
('focus','black'),
('disabled','black'),
('!disabled', 'black')
],
) # close map
Style().map('TEntry',# This one is just for 'look and feel'
fieldbackground = [
('focus','!disabled', '!invalid' ,self.FocusColor),
('!focus','active','!disabled','!invalid', self.NoFocusMouseOverColor),
('!focus','!active','!disabled','!invalid',self.NoFocusNoMouseOverColor),
('invalid', '#FF0000')
#('disabled','lightgray'),
],
foreground = [
('disabled', '!invalid', 'gray'),
('!disabled', '!invalid', 'black')
#('invalid', self.NoFocusNoMouseOverColor)
],
#background = [
#('focus','!disabled',self.FocusColor),
#('!focus','active','!disabled',self.NoFocusMouseOverColor'),
#('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
##('disabled','lightgray'),
#],
#selectbackground = [
#('focus','!disabled',self.FocusColor),
#('!focus','active','!disabled',self.NoFocusMouseOverColor),
#('!focus','!active','!disabled',self.NoFocusNoMouseOverColor).
##('disabled','lightgray'),
#],
selectforeground = [
('!focus','black'),
('focus','white'),
],
) # close map
#Style().map('TMenubutton',# This one is just for 'look and feel'
#fieldbackground = [
#('focus','!disabled',self.FocusColor),
#('!focus','active','!disabled',self.NoFocusMouseOverColor),
#('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
##('disabled','lightgray'),
#],
#foreground = [
#('disabled','gray'),
#('!disabled', 'black')
#],
#background = [
#('focus','!disabled',self.FocusColor),
#('!focus','active','!disabled',self.NoFocusMouseOverColor),
#('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
##('disabled','lightgray'),
#],
#selectbackground = [
#('focus','!disabled',self.FocusColor),
#('!focus','active','!disabled',self.NoFocusMouseOverColor),
#('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
##('disabled','lightgray'),
#],
#selectforeground = [
#('!focus','black'),
#('focus','white'),
#],
#) # close map
Style().map("Horizontal.TScale",
troughcolor = [
('focus','!disabled',self.FocusColor),
('!focus','active','!disabled',self.NoFocusMouseOverColor),
('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
('disabled','lightgray'),
],
) # close map
Style().map("Vertical.TScale",
troughcolor = [
('focus','!disabled',self.FocusColor),
('!focus','active','!disabled',self.NoFocusMouseOverColor),
('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
('disabled','lightgray'),
],
) # close map
Style().map("TMenu",
background = [
('focus','!disabled',self.FocusColor),
('!focus','active','!disabled',self.NoFocusMouseOverColor),
('!focus','!active','!disabled',self.NoFocusNoMouseOverColor),
('disabled','lightgray'),
],
) | [
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||
Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/PiCameraApp.py | python | PiCameraApp.LoadImageFromStream | ( self, zoom ) | Implement Record Sequence | Implement Record Sequence | [
"Implement",
"Record",
"Sequence"
] | def LoadImageFromStream ( self, zoom ):
if self.photo: del self.photo
self.pictureStream.seek(0)
self.CurrentImage = PIL.Image.open(self.pictureStream)
# https://pillow.readthedocs.io/en/3.1.x/reference/Image.html#the-image-class
self.RawEXIFData = None
if PreferencesDialog.DefaultPhotoFormat == 'jpeg':
self.RawEXIFData = self.CurrentImage.info['exif'] # Works!!!!
#print ( self.RawEXIFData )
self.CameraUtils.AddEXIFTags(self.CurrentImage)
self.ShowHideImageAttributesPane(self.viewImageAttributesPane.get())
# resize what's displayed if user used Ctrl+mousewheel
size = self.CurrentImage.size
if size[0] <= 1024 and size[1] <= 768: # hold max zoom level
width = int(zoom*size[0])
height = int(zoom*size[1])
if width <= 1024 and height <= 768:
self.CurrentImage = self.CurrentImage.resize((width,height),PIL.Image.ANTIALIAS)
self.CurrentImageSize = self.CurrentImage.size
# Convert to canvas compatible format and store on canvas
self.photo = ImageTk.PhotoImage(self.CurrentImage)
self.photoCanvas.delete("pic")
self.photoCanvas.create_image(0,0,image=self.photo,anchor='nw',tags=('pic'))
self.photoCanvas.config(scrollregion=self.photoCanvas.bbox(ALL))
self.photoCanvas.tag_raise("objs") # raise Z order of cursors to topmost
'''
Implement Record Sequence
''' | [
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||
Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/PiCameraApp.py | python | PiCameraApp.LoseFocus | ( self, event ) | The Combobox is a problem.
Could save last two entries... if Combobox, Labelframe, Tk...
NO! this could be the Topwindow losing focus while the
Combobox has the focus. The same effect
Also, the nesting may vary based on where the Combobox is in
the hierarcy. What I really want is to capture the <B1-Motion>
on the TopWindow titlebar - OR - get the widget ID to the
Combobox Toplevel dropdown window. | The Combobox is a problem.
Could save last two entries... if Combobox, Labelframe, Tk...
NO! this could be the Topwindow losing focus while the
Combobox has the focus. The same effect
Also, the nesting may vary based on where the Combobox is in
the hierarcy. What I really want is to capture the <B1-Motion>
on the TopWindow titlebar - OR - get the widget ID to the
Combobox Toplevel dropdown window. | [
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'''
The Combobox is a problem.
Could save last two entries... if Combobox, Labelframe, Tk...
NO! this could be the Topwindow losing focus while the
Combobox has the focus. The same effect
Also, the nesting may vary based on where the Combobox is in
the hierarcy. What I really want is to capture the <B1-Motion>
on the TopWindow titlebar - OR - get the widget ID to the
Combobox Toplevel dropdown window.
'''
if self.camera.preview and not self.AlwaysPreview and \
event.widget.winfo_class().lower() == 'tk' and \
self.root.attributes("-topmost") == 0: # TopMost window hack
if self.ShowOnScreen.get() == False:
self.camera.preview.alpha = 0
self.ImageCanvas.itemconfigure('nopreview',state='normal') | [
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||
Billwilliams1952/PiCameraApp | 61802b367d620aafb6b4e0bb84ea1ebd0dbd42c0 | Source/PreferencesDialog.py | python | General.BuildPage | ( self ) | Configuration files in python
There are several ways to do this depending on the file format required.
ConfigParser [.ini format]
Write a file like so:
from ConfigParser import SafeConfigParser
config = SafeConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main', 'key1', 'value1')
config.set('main', 'key2', 'value2')
config.set('main', 'key3', 'value3') | Configuration files in python
There are several ways to do this depending on the file format required.
ConfigParser [.ini format]
Write a file like so:
from ConfigParser import SafeConfigParser
config = SafeConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main', 'key1', 'value1')
config.set('main', 'key2', 'value2')
config.set('main', 'key3', 'value3') | [
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] | def BuildPage ( self ):
# Setup default folder to save pictures and videos
f = MyLabelFrame(self,'Set default directories',0,0)
self.iconCameraBig = PIL.Image.open('Assets/camera-icon.png')
self.iconCameraBig = ImageTk.PhotoImage(self.iconCameraBig.resize((22,22),Image.ANTIALIAS))
self.iconVideoBig = PIL.Image.open('Assets/video-icon-b.png')
self.iconVideoBig = ImageTk.PhotoImage(self.iconVideoBig.resize((22,22),Image.ANTIALIAS))
self.iconFiles = PIL.Image.open('Assets/files.png')
self.iconFiles = ImageTk.PhotoImage(self.iconFiles.resize((22,22),Image.ANTIALIAS))
b = ttk.Button(f,text="Photos...",image=self.iconCameraBig,compound='left',
command=self.SelectPhotoDirectory,width=7)
b.grid(row=0,column=0,sticky='W',pady=(5,5))
ToolTip(b,6000)
self.PhotoDirLabel = Label(f,foreground='#0000FF',
text=PreferencesDialog.DefaultPhotoDir,anchor=W)
self.PhotoDirLabel.grid(row=0,column=1,sticky='EW',padx=10);
ToolTip(self.PhotoDirLabel,6001)
b = ttk.Button(f,text="Videos...",image=self.iconVideoBig,compound='left',
command=self.SelectVideoDirectory,width=7)
b.grid(row=1,column=0,sticky='W')
ToolTip(b,6002)
self.VideoDirLabel = Label(f,foreground='#0000FF',
text=PreferencesDialog.DefaultVideoDir,anchor=W)
self.VideoDirLabel.grid(row=1,column=1,sticky='EW',padx=10);
ToolTip(self.VideoDirLabel,6003)
b = ttk.Button(f,text="Files...",image=self.iconFiles,compound='left',
command=self.SelectFilesDirectory,width=7)
b.grid(row=2,column=0,sticky='W',pady=(5,5))
ToolTip(b,6004)
self.FilesDirLabel = Label(f,foreground='#0000FF',
text=PreferencesDialog.DefaultFilesDir,anchor=W)
self.FilesDirLabel.grid(row=2,column=1,sticky='EW',padx=10);
ToolTip(self.FilesDirLabel,6005)
f = MyLabelFrame(self,'Photo/Video capture formats',1,0)
ttk.Label(f,text='Photo capture format',padding=(5,5,5,5)) \
.grid(row=0,column=0,sticky='W')
self.photoCaptureFormatCombo = Combobox(f,height=15,width=8,
state='readonly')#,width=15)
self.photoCaptureFormatCombo.grid(row=0,column=1,sticky='EW')
self.photoFormats = ['jpeg','png','bmp',
'gif','yuv','rgb','rgba','bgr','bgra','raw']
self.photoCaptureFormatCombo['values'] = self.photoFormats
self.photoCaptureFormatCombo.current( \
self.photoFormats.index(PreferencesDialog.DefaultPhotoFormat))
self.photoCaptureFormatCombo.bind('<<ComboboxSelected>>',
self.photoCaptureFormatChanged)
ToolTip(self.photoCaptureFormatCombo, msg=6010)
self.ModFormatParams = ttk.Button(f,text='Params...',
command=self.ModifyFormatParamPressed,
underline=0,padding=(5,3,5,3),width=8)
self.ModFormatParams.grid(row=0,column=2,sticky='W',padx=5)
ToolTip(self.ModFormatParams, msg=6011)
ttk.Label(f,text='Video capture format',padding=(5,5,5,5)) \
.grid(row=1,column=0,sticky='W')
self.VideoCaptureFormatCombo = Combobox(f,height=15,width=8,
state='readonly')#,width=15)
self.VideoCaptureFormatCombo.grid(row=1,column=1,sticky='EW')
self.videoFormats = ['h264','mjpeg','yuv',
'rgb','rgba','bgr','bgra']
self.VideoCaptureFormatCombo['values'] = self.videoFormats
self.VideoCaptureFormatCombo.current( \
self.videoFormats.index(PreferencesDialog.DefaultVideoFormat))
self.VideoCaptureFormatCombo.bind('<<ComboboxSelected>>',
self.VideoCaptureFormatChanged)
ToolTip(self.VideoCaptureFormatCombo,6020)
self.ModVideoFormatParams = ttk.Button(f,text='Params...',
command=self.ModifyVideoFormatParamPressed,
underline=0,padding=(5,3,5,3),width=8)
self.ModVideoFormatParams.grid(row=1,column=2,sticky='W',padx=5)
ToolTip(self.ModVideoFormatParams,6021)
# Save / Restore camera settings? This may be a bit to do
f = MyLabelFrame(self,'Photo/Video naming',2,0)
Label(f,text='Timestamp format:') \
.grid(row=0,column=0,sticky='W')
okCmd = (self.register(self.ValidateTimestamp),'%P')
self.TimeStamp = MyStringVar(PreferencesDialog.DefaultTimestampFormat)
e = Entry(f,width=20,validate='all',
textvariable=self.TimeStamp)
e.grid(row=0,column=1,sticky='W')
ToolTip(e,6050)
image = PIL.Image.open('Assets/help.png')
self.helpimage = ImageTk.PhotoImage(image.resize((16,16)))
b = ttk.Button(f,image=self.helpimage,width=10,
command=self.FormatHelp,padding=(2,2,2,2))
b.grid(row=0,column=2,padx=5)
ToolTip(b,6052)
Label(f,text='Sample timestamp:').grid(row=1,column=0,sticky='W')
self.TimestampLabel = MyStringVar(datetime.datetime.now() \
.strftime(PreferencesDialog.DefaultTimestampFormat))
self.tsl = Label(f,textvariable=self.TimestampLabel,foreground='#0000FF')
self.tsl.grid(row=1,column=1,columnspan=2,sticky='W')
ToolTip(self.tsl,6051)
self.after(1000,self.UpdateTimestamp)
self.PhotoTimestampVar = MyBooleanVar(PreferencesDialog.PhotoTimestamp)
self.PhotoTimestamp = Checkbutton(f,text='Include timestamp in photo name',
variable=self.PhotoTimestampVar, command=self.PhotoTimestampChecked)
self.PhotoTimestamp.grid(row=2,column=0,columnspan=2,sticky='W')
ToolTip(self.PhotoTimestamp,6060)
self.VideoTimestampVar = MyBooleanVar(PreferencesDialog.VideoTimestamp)
self.VideoTimestamp = Checkbutton(f,text='Include timestamp in video name',
variable=self.VideoTimestampVar, command=self.VideoTimestampChecked)
self.VideoTimestamp.grid(row=3,column=0,columnspan=2,sticky='W')
ToolTip(self.VideoTimestamp,6061)
e.config(validatecommand=okCmd)
'''
Configuration files in python
There are several ways to do this depending on the file format required.
ConfigParser [.ini format]
Write a file like so:
from ConfigParser import SafeConfigParser
config = SafeConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main', 'key1', 'value1')
config.set('main', 'key2', 'value2')
config.set('main', 'key3', 'value3')
'''
self.photoCaptureFormatChanged(None)
self.VideoCaptureFormatChanged(None) | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | rickmote.py | python | matching_line | (lines, keyword) | return None | Returns the first matching line in a list of lines. See match() | Returns the first matching line in a list of lines. See match() | [
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"""Returns the first matching line in a list of lines. See match()"""
for line in lines:
matching=match(line,keyword)
if matching!=None:
return matching
return None | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | rickmote.py | python | match | (line,keyword) | If the first part of line (modulo blanks) matches keyword,
returns the end of that line. Otherwise returns None | If the first part of line (modulo blanks) matches keyword,
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line=line.lstrip()
length=len(keyword)
if line[:length] == keyword:
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | rickmote.py | python | parse_cell | (cell) | return parsed_cell | Applies the rules to the bunch of text describing a cell and returns the
corresponding dictionary | Applies the rules to the bunch of text describing a cell and returns the
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"""Applies the rules to the bunch of text describing a cell and returns the
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parsed_cell={}
for key in rules:
rule=rules[key]
parsed_cell.update({key:rule(cell)})
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | start_app | (host, app_id, data=None) | Starts an application.
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""" Starts an application.
If your TV is not on will turn it on unless app_id == APP_ID_HOME. """
if data is None:
data = {"": ""}
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | quit_app | (host, app_id=None) | Quits specified application if it is running.
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""" Quits specified application if it is running.
If no app_id specified will quit current running app. """
if not app_id:
status = get_app_status(host)
if status:
app_id = status.app_id
if app_id:
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | reboot | (host) | Reboots the chromecast. | Reboots the chromecast. | [
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""" Reboots the chromecast. """
CC_SESSION.post(FORMAT_BASE_URL.format(host) + "/setup/reboot",
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | get_device_status | (host) | Returns the device status as a named tuple. | Returns the device status as a named tuple. | [
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""" Returns the device status as a named tuple. """
try:
req = CC_SESSION.get(
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status_el = ET.fromstring(req.text.encode("UTF-8"))
device_info_el = status_el.find(XML_NS_UPNP_DEVICE + "device")
api_version_el = status_el.find(XML_NS_UPNP_DEVICE + "specVersion")
friendly_name = _read_xml_element(device_info_el, XML_NS_UPNP_DEVICE,
"friendlyName", "Unknown Chromecast")
model_name = _read_xml_element(device_info_el, XML_NS_UPNP_DEVICE,
"modelName", "Unknown model name")
manufacturer = _read_xml_element(device_info_el, XML_NS_UPNP_DEVICE,
"manufacturer",
"Unknown manufacturer")
api_version = (int(_read_xml_element(api_version_el,
XML_NS_UPNP_DEVICE, "major", -1)),
int(_read_xml_element(api_version_el,
XML_NS_UPNP_DEVICE, "minor", -1)))
return DeviceStatus(friendly_name, model_name, manufacturer,
api_version)
except (requests.exceptions.RequestException, ET.ParseError):
return None | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | get_app_status | (host, app_id=None) | Returns the status of the specified app
or else the current running app. | Returns the status of the specified app
or else the current running app. | [
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"app",
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] | def get_app_status(host, app_id=None):
""" Returns the status of the specified app
or else the current running app. """
# /apps/ will redirect to the active app
url = (FORMAT_APP_PATH.format(host, app_id) if app_id
else FORMAT_BASE_URL.format(host) + "/apps/")
try:
req = CC_SESSION.get(url)
if req.status_code == 204:
return None
status_el = ET.fromstring(req.text.encode("UTF-8"))
options = status_el.find(XML_NS_DIAL + "options").attrib
app_id = _read_xml_element(status_el, XML_NS_DIAL,
"name", "Unknown application")
state = _read_xml_element(status_el, XML_NS_DIAL,
"state", "unknown")
service_el = status_el.find(XML_NS_CAST + "servicedata")
if service_el is not None:
service_url = _read_xml_element(service_el, XML_NS_CAST,
"connectionSvcURL", None)
protocols_el = service_el.find(XML_NS_CAST + "protocols")
if protocols_el is not None:
protocols = [el.text for el in protocols_el]
else:
protocols = []
else:
service_url = None
protocols = []
activity_el = status_el.find(XML_NS_CAST + "activity-status")
if activity_el is not None:
description = _read_xml_element(activity_el, XML_NS_CAST,
"description", app_id)
else:
description = app_id
return AppStatus(app_id, description, state,
options, service_url, protocols)
except (requests.exceptions.RequestException, ET.ParseError):
return None | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | _craft_app_url | (host, app_id=None) | return (FORMAT_APP_PATH.format(host, app_id) if app_id
else FORMAT_BASE_URL.format(host)) | Helper method to create a ChromeCast url given
a host and an optional app_id. | Helper method to create a ChromeCast url given
a host and an optional app_id. | [
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"app_id",
"."
] | def _craft_app_url(host, app_id=None):
""" Helper method to create a ChromeCast url given
a host and an optional app_id. """
return (FORMAT_APP_PATH.format(host, app_id) if app_id
else FORMAT_BASE_URL.format(host)) | [
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/dial.py | python | _read_xml_element | (element, xml_ns, tag_name, default="") | Helper method to read text from an element. | Helper method to read text from an element. | [
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] | def _read_xml_element(element, xml_ns, tag_name, default=""):
""" Helper method to read text from an element. """
try:
return element.find(xml_ns + tag_name).text
except AttributeError:
return default | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/upnp.py | python | discover_chromecasts | (max_devices=None, timeout=DISCOVER_TIMEOUT) | return ips | Sends a message over the network to discover Chromecasts and returns
a list of found IP addresses.
Inspired by Crimsdings
https://github.com/crimsdings/ChromeCast/blob/master/cc_discovery.py | Sends a message over the network to discover Chromecasts and returns
a list of found IP addresses. | [
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"addresses",
"."
] | def discover_chromecasts(max_devices=None, timeout=DISCOVER_TIMEOUT):
"""
Sends a message over the network to discover Chromecasts and returns
a list of found IP addresses.
Inspired by Crimsdings
https://github.com/crimsdings/ChromeCast/blob/master/cc_discovery.py
"""
ips = []
calc_now = dt.datetime.now
start = calc_now()
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.sendto(SSDP_REQUEST.encode("ascii"), (SSDP_ADDR, SSDP_PORT))
sock.setblocking(0)
while True:
time_diff = calc_now() - start
seconds_left = timeout - time_diff.seconds
if seconds_left <= 0:
return ips
ready = select.select([sock], [], [], seconds_left)[0]
if ready:
response = sock.recv(1024).decode("ascii")
found_ip = found_st = None
headers = response.split("\r\n\r\n", 1)[0]
for header in headers.split("\r\n"):
parts = header.split(": ", 1)
# Headers start with something like 'HTTP/1.1 200 OK'
# We cannot split that up in key-value pair, so skip
if len(parts) != 2:
continue
key, value = parts
if key == "LOCATION":
url = urlparse.urlparse(value)
found_ip = url.hostname
elif key == "ST":
found_st = value
if found_st == SSDP_ST and found_ip:
ips.append(found_ip)
if max_devices and len(ips) == max_devices:
return ips
except socket.error:
logging.getLogger(__name__).exception(
"Socket error while discovering Chromecasts")
finally:
sock.close()
return ips | [
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/config.py | python | get_possible_app_ids | () | Returns all possible app ids. | Returns all possible app ids. | [
"Returns",
"all",
"possible",
"app",
"ids",
"."
] | def get_possible_app_ids():
""" Returns all possible app ids. """
try:
req = requests.get(
"https://clients3.google.com/cast/chromecast/device/baseconfig")
data = json.loads(req.text[4:])
return [app['app_id'] for app in data['applications']] + \
data["enabled_app_ids"]
except ValueError:
# If json fails to parse
return [] | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/config.py | python | get_app_config | (app_id) | Get specific configuration for 'app_id'. | Get specific configuration for 'app_id'. | [
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"app_id",
"."
] | def get_app_config(app_id):
""" Get specific configuration for 'app_id'. """
try:
req = requests.get(
("https://clients3.google.com/"
"cast/chromecast/device/app?a={}").format(app_id))
return json.loads(req.text[4:]) if req.status_code == 200 else {}
except ValueError:
# If json fails to parse
return {} | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | create_websocket_client | (app_status) | return client | Creates and returns a RAMP client based on the supplied app status.
Will return None if RAMP client is not supported.
Will raise ValueError if unable to retrieve the websocket url. | Creates and returns a RAMP client based on the supplied app status.
Will return None if RAMP client is not supported.
Will raise ValueError if unable to retrieve the websocket url. | [
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] | def create_websocket_client(app_status):
"""
Creates and returns a RAMP client based on the supplied app status.
Will return None if RAMP client is not supported.
Will raise ValueError if unable to retrieve the websocket url.
"""
# Check if current app has no service url or no protocols.
if not app_status.service_url or not app_status.service_protocols:
return None
req = requests.post(app_status.service_url,
data="{}".encode("ascii"),
headers={"Content-Type": "application/json"})
if req.status_code != 200:
raise error.ConnectionError(
"Could not retrieve websocket url ({}).".format(req.status_code))
conn_data = json.loads(req.text)
client = ChromecastWebSocketClient(conn_data['URL'],
app_status.service_protocols)
client.connect()
atexit.register(_clean_open_clients)
return client | [
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | _clean_open_clients | () | Called on exit of Python to close open clients. | Called on exit of Python to close open clients. | [
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] | def _clean_open_clients():
""" Called on exit of Python to close open clients. """
for client_weakref in list(_OPEN_CLIENTS):
client = client_weakref()
if client and not client.terminated:
client.close_connection() | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | ChromecastWebSocketClient.opened | (self) | When connection is opened initiate the protocol handlers. | When connection is opened initiate the protocol handlers. | [
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_known_prot = KNOWN_PROTOCOLS
# Instantiate supported subprotocols.
for protocol in self.supported_protocols:
handler = _known_prot.get(protocol)
if handler:
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | ChromecastWebSocketClient.closed | (self, code, reason=None) | Clear protocol handlers when connection is lost. | Clear protocol handlers when connection is lost. | [
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""" Clear protocol handlers when connection is lost. """
# Clear reference to client
_OPEN_CLIENTS.remove(self._weakref)
for handler in self.handlers.values():
handler.client = None
self.handlers.clear() | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | ChromecastWebSocketClient.received_message | (self, message) | When a new message is received. | When a new message is received. | [
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] | def received_message(self, message):
""" When a new message is received. """
# We do not support binary message
if message.is_binary:
return False
try:
protocol, data = json.loads(message.data.decode('utf8'))
except ValueError:
# If error while parsing JSON
# if unpack error: more then 2 items in the list
logging.getLogger(__name__).exception(
"Error parsing incoming message: {}".format(
message.data.decode("utf8")))
return
if _DEBUG:
logging.getLogger(__name__).info("Receiving {}".format(data))
handler = self.handlers.get(protocol)
if handler:
handler._receive_protocol(data) # pylint: disable=protected-access
else:
logging.getLogger(__name__).warning(
"Unknown protocol received: {}, {}".format(protocol, data)) | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | BaseSubprotocol._send_protocol | (self, data) | Default handler for sending messages as subprotocol. | Default handler for sending messages as subprotocol. | [
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] | def _send_protocol(self, data):
""" Default handler for sending messages as subprotocol. """
if _DEBUG:
self.logger.info("Sending {}".format(data))
if not self.client:
raise error.ConnectionError("Not connected to Chromecast")
try:
self.client.send(json.dumps([self.protocol, data]).encode("utf8"))
except socket.error:
# if an error occured sending data over the socket
raise error.ConnectionError("Error communicating with Chromecast") | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | BaseSubprotocol._receive_protocol | (self, data) | Default handler for receiving messages as subprotocol. | Default handler for receiving messages as subprotocol. | [
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self.logger.warning(
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | BaseSubprotocol.is_active | (self) | return not self.client.terminated | Returns if this subprotocol is active. | Returns if this subprotocol is active. | [
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] | def is_active(self):
""" Returns if this subprotocol is active. """
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | CommandSubprotocol._receive_protocol | (self, data) | Handles an incoming COMMAND message. | Handles an incoming COMMAND message. | [
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] | def _receive_protocol(self, data):
""" Handles an incoming COMMAND message. """
if data[COMMAND_ATTR_TYPE] == COMMAND_TYPE_PING:
self._send_protocol({COMMAND_ATTR_TYPE: COMMAND_TYPE_PONG})
else:
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol._receive_protocol | (self, data) | Handles an incoming Ramp message. | Handles an incoming Ramp message. | [
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] | def _receive_protocol(self, data):
""" Handles an incoming Ramp message. """
message_type = data[RAMP_ATTR_TYPE]
if message_type == RAMP_TYPE_STATUS:
self._update_status(data[RAMP_ATTR_STATUS])
elif message_type == RAMP_TYPE_RESPONSE:
# Match it with the command that we send
try:
cmd_type, cmd_event = \
self.commands.pop(data[RAMP_ATTR_CMD_ID])
except KeyError:
# If CMD_ID did not exist or we do not recognize command
return
# Handle response, currently no response handlers
if cmd_type in (RAMP_TYPE_PLAY, RAMP_TYPE_VOLUME,
RAMP_TYPE_INFO):
self._update_status(data[RAMP_ATTR_STATUS])
else:
self.logger.warning(
"Unhandled response for command {}: {}".format(
cmd_type, data))
# Alert code that is waiting for this command to get response
if cmd_event:
cmd_event.set()
else:
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol._send_ramp | (self, data, blocking=False) | Sends a RAMP message.
Set blocking=True to wait till the Chromecast sends a response
to the command. | Sends a RAMP message.
Set blocking=True to wait till the Chromecast sends a response
to the command. | [
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] | def _send_ramp(self, data, blocking=False):
"""
Sends a RAMP message.
Set blocking=True to wait till the Chromecast sends a response
to the command.
"""
data[RAMP_ATTR_CMD_ID] = self.command_id
event = threading.Event() if blocking else None
# Save type to match later with response
self.commands[self.command_id] = (data[RAMP_ATTR_TYPE], event)
self._send_protocol(data)
self.command_id += 1
if blocking:
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.is_playing | (self) | return self.is_active and self.state == RAMP_STATE_PLAYING | Property that represents if content is being played. | Property that represents if content is being played. | [
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] | def is_playing(self):
""" Property that represents if content is being played. """
return self.is_active and self.state == RAMP_STATE_PLAYING | [
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.play | (self) | Send the PLAY-command to the RAMP-target. | Send the PLAY-command to the RAMP-target. | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.pause | (self) | Send the PAUSE-command to the RAMP-target. | Send the PAUSE-command to the RAMP-target. | [
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] | def pause(self):
""" Send the PAUSE-command to the RAMP-target. """
# The STOP command actually pauses the media
self._send_ramp({RAMP_ATTR_TYPE: RAMP_TYPE_STOP}) | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.playpause | (self) | Plays if paused, pauses if playing. | Plays if paused, pauses if playing. | [
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] | def playpause(self):
""" Plays if paused, pauses if playing. """
if self.state == RAMP_STATE_PLAYING:
self.pause()
else:
self.play() | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.seek | (self, seconds) | Seek within the content played at RAMP-target. | Seek within the content played at RAMP-target. | [
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] | def seek(self, seconds):
""" Seek within the content played at RAMP-target. """
self._send_ramp({RAMP_ATTR_TYPE: RAMP_TYPE_PLAY,
RAMP_ATTR_POSITION: seconds}) | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.rewind | (self) | Rewinds current media item. | Rewinds current media item. | [
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] | def rewind(self):
""" Rewinds current media item. """
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.next | (self) | Skip to the next content at the RAMP-target. | Skip to the next content at the RAMP-target. | [
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] | def next(self):
""" Skip to the next content at the RAMP-target. """
if self.duration != 0:
self.seek(self.duration-.1) | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.set_volume | (self, volume) | Set volume at the RAMP-target. | Set volume at the RAMP-target. | [
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""" Set volume at the RAMP-target. """
# volume is double between 0 and 1
self._send_ramp({RAMP_ATTR_TYPE: RAMP_TYPE_VOLUME,
RAMP_ATTR_VOLUME: volume}) | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.volume_up | (self) | Increases volume. | Increases volume. | [
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""" Increases volume. """
if self.volume < 1:
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.volume_down | (self) | Decreases volume. | Decreases volume. | [
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] | def volume_down(self):
""" Decreases volume. """
if self.volume > 0:
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.refresh | (self) | Refresh data at the RAMP-target. | Refresh data at the RAMP-target. | [
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""" Refresh data at the RAMP-target. """
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol._update_status | (self, status) | Updates the RAMP status. | Updates the RAMP status. | [
"Updates",
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"status",
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] | def _update_status(self, status):
""" Updates the RAMP status. """
con_inf = status.get(RAMP_ATTR_CONTENT_INFO, {})
self.state = status.get(RAMP_STATUS_ATTR_STATE, 0)
self.volume = status.get(RAMP_STATUS_ATTR_VOLUME, 1)
self.muted = status.get(RAMP_STATUS_ATTR_MUTED, False)
self.content_id = status.get(RAMP_STATUS_ATTR_CONTENT_ID)
self.title = status.get(RAMP_STATUS_ATTR_TITLE)
self.artist = con_inf.get(RAMP_STATUS_CONTENT_INFO_ATTR_ARTIST)
self.album = con_inf.get(RAMP_STATUS_CONTENT_INFO_ATTR_ALBUM_TITLE)
self._current_time = status.get(RAMP_STATUS_ATTR_CURRENT_TIME, 0)
self.duration = status.get(RAMP_STATUS_ATTR_DURATION, 0)
self.image_url = status.get(RAMP_STATUS_ATTR_IMAGE_URL)
self.time_progress = status.get(RAMP_ATTR_TIME_PROGRESS, False)
self.last_updated = dt.datetime.now() | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/websocket.py | python | RampSubprotocol.current_time | (self) | Returns current time of the content. | Returns current time of the content. | [
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"current",
"time",
"of",
"the",
"content",
"."
] | def current_time(self):
""" Returns current time of the content. """
# If time is progressing we have to calculate the current time based on
# time the status was retrieved and the then current time.
if self.time_progress:
timediff = dt.datetime.now() - self.last_updated
return min(self._current_time + timediff.seconds, self.duration)
else:
return self._current_time | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | play_youtube_video | (video_id, host=None) | Starts the YouTube app if it is not running and plays
specified video. | Starts the YouTube app if it is not running and plays
specified video. | [
"Starts",
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] | def play_youtube_video(video_id, host=None):
""" Starts the YouTube app if it is not running and plays
specified video. """
if not host:
host = _auto_select_chromecast()
start_app(host, APP_ID["YOUTUBE"], {"v": video_id}) | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | play_youtube_playlist | (playlist_id, host=None) | Starts the YouTube app if it is not running and plays
specified playlist. | Starts the YouTube app if it is not running and plays
specified playlist. | [
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] | def play_youtube_playlist(playlist_id, host=None):
""" Starts the YouTube app if it is not running and plays
specified playlist. """
if not host:
host = _auto_select_chromecast()
start_app(host, APP_ID["YOUTUBE"],
{"listType": "playlist", "list": playlist_id}) | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | _auto_select_chromecast | () | Discovers local Chromecasts and returns first one found.
Raises exception if none can be found. | Discovers local Chromecasts and returns first one found.
Raises exception if none can be found. | [
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] | def _auto_select_chromecast():
"""
Discovers local Chromecasts and returns first one found.
Raises exception if none can be found.
"""
ips = discover_chromecasts(1)
if ips:
return ips[0]
else:
raise NoChromecastFoundError("Unable to detect Chromecast") | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast.app_id | (self) | return self.app.app_id if self.app else None | Returns the current app_id. | Returns the current app_id. | [
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] | def app_id(self):
""" Returns the current app_id. """
return self.app.app_id if self.app else None | [
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast.app_description | (self) | return self.app.description if self.app else None | Returns the name of the current running app. | Returns the name of the current running app. | [
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] | def app_description(self):
""" Returns the name of the current running app. """
return self.app.description if self.app else None | [
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|
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast.get_protocol | (self, protocol) | Returns the current RAMP content info and controls. | Returns the current RAMP content info and controls. | [
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] | def get_protocol(self, protocol):
""" Returns the current RAMP content info and controls. """
if self.websocket_client:
return self.websocket_client.handlers.get(protocol)
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast.refresh | (self) | Queries the Chromecast for the current status.
Starts a websocket client if possible. | Queries the Chromecast for the current status.
Starts a websocket client if possible. | [
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] | def refresh(self):
"""
Queries the Chromecast for the current status.
Starts a websocket client if possible.
"""
self.logger.info("Refreshing app status")
# If we are refreshing but a refresh was planned, cancel that one
with self._refresh_lock:
if self._refresh_timer:
self._refresh_timer.cancel()
self._refresh_timer = None
cur_app = self.app
cur_ws = self.websocket_client
self.app = app = get_app_status(self.host)
# If no previous app and no new app there is nothing to do
if not cur_app and not app:
is_diff_app = False
else:
is_diff_app = (not cur_app and app or cur_app and not app or
cur_app.app_id != app.app_id)
# Clean up websocket if:
# - there is a different app and a connection exists
# - if it is the same app but the connection is terminated
if cur_ws and (is_diff_app or cur_ws.terminated):
if not cur_ws.terminated:
cur_ws.close_connection()
self.websocket_client = cur_ws = None
# Create a new websocket client if there is no connection
if not cur_ws and app:
try:
# If the current app is not capable of a websocket client
# This method will return None so nothing is lost
self.websocket_client = cur_ws = create_websocket_client(app)
except ConnectionError:
pass
# Ramp service does not always immediately show up in the app
# status. If we do not have a websocket client but the app is
# known to be RAMP controllable, then plan refresh.
if not cur_ws and app.app_id in RAMP_ENABLED:
self._delayed_refresh() | [
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||
BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast.start_app | (self, app_id, data=None) | Start an app on the Chromecast. | Start an app on the Chromecast. | [
"Start",
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"app",
"on",
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"Chromecast",
"."
] | def start_app(self, app_id, data=None):
""" Start an app on the Chromecast. """
self.logger.info("Starting app {}".format(app_id))
# data parameter has to contain atleast 1 key
# or else some apps won't show
start_app(self.host, app_id, data)
self._delayed_refresh() | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast.quit_app | (self) | Tells the Chromecast to quit current app_id. | Tells the Chromecast to quit current app_id. | [
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] | def quit_app(self):
""" Tells the Chromecast to quit current app_id. """
self.logger.info("Quiting current app")
quit_app(self.host)
self._delayed_refresh() | [
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BishopFox/rickmote | 2a8469657f9de7d6ee1d4cc65ce83235c1e582d9 | pychromecast/__init__.py | python | PyChromecast._delayed_refresh | (self) | Give the ChromeCast time to start the app, then refresh app. | Give the ChromeCast time to start the app, then refresh app. | [
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""" Give the ChromeCast time to start the app, then refresh app. """
with self._refresh_lock:
if self._refresh_timer:
self._refresh_timer.cancel()
self._refresh_timer = threading.Timer(5, self.refresh)
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Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | util/log_analyzer.py | python | _get_time | (log) | return datetime.strptime(tstamp, "%Y-%m-%d %H:%M:%S") | Parse timestamp from log line | Parse timestamp from log line | [
"Parse",
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"from",
"log",
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] | def _get_time(log):
"""Parse timestamp from log line"""
tstamp = log[:19]
return datetime.strptime(tstamp, "%Y-%m-%d %H:%M:%S") | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | util/log_analyzer.py | python | _parse | (log, start_time) | return info | Parse logs in the format from monitor.py
Args:
log : String containing the logged line.
start_time : Log file's starting time.
Returns:
Dictionary with the receiver metrics. | Parse logs in the format from monitor.py | [
"Parse",
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] | def _parse(log, start_time):
"""Parse logs in the format from monitor.py
Args:
log : String containing the logged line.
start_time : Log file's starting time.
Returns:
Dictionary with the receiver metrics.
"""
log_time = _get_time(log)
info = {'date': log_time, 'time': (log_time - start_time).total_seconds()}
for entry in log[19:-1].split(";"):
key, val = entry.split("=")
key = key.strip()
val = val.strip()
if (key == "Lock"):
val = "Locked" if val == "True" else "Unlocked" # categorial plot
elif (key == "Level" or key == "SNR"):
unit = re.sub('[0-9.-]', '', val)
val = val.replace(unit, '')
# The logs from the S400 could return NaN, in which case "val" is
# empty here. Skip these values.
if (val == ''):
continue
val = float(val)
elif (key == "BER" or key == "Packet Errors"):
val = float(val)
else:
raise ValueError("Unknown key")
info[key] = val
return info | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | util/log_analyzer.py | python | _plot | (ds, ds_name) | Plot all results from list of dictionaries
Args:
ds : Dataset (list of dictionaries)
ds_name : Dataset name | Plot all results from list of dictionaries | [
"Plot",
"all",
"results",
"from",
"list",
"of",
"dictionaries"
] | def _plot(ds, ds_name):
"""Plot all results from list of dictionaries
Args:
ds : Dataset (list of dictionaries)
ds_name : Dataset name
"""
keys = set()
for elem in ds:
keys.update(list(ds[0].keys()))
keys.remove("time")
keys.remove("date")
formatter = DateFormatter('%m/%d %H:%M')
path = os.path.join("figs", ds_name)
if not os.path.isdir(path):
os.makedirs(path)
for key in keys:
logger.info("Plotting {}".format(key))
x = [r[key] for r in ds if key in r]
t = [r["date"] for r in ds if key in r]
# Add unit to y-label
if (key == "SNR"):
ylabel = "SNR (dB)"
elif (key == "Level"):
ylabel = "Signal Level"
# NOTE: the SDR logs positive signal levels rather than dBm.
if (all([val < 0 for val in x])):
ylabel += " (dBm)"
else:
ylabel = key
fig, ax = plt.subplots()
plt.plot_date(t, x, ms=2)
plt.ylabel(ylabel)
plt.xlabel("Time (UTC)")
# Plot BER in log scale as it is not zero throughout the acquisition
if (key == "BER" and any([val > 0 for val in x])):
ax.set_yscale('log')
ax.xaxis.set_major_formatter(formatter)
ax.xaxis.set_tick_params(rotation=30, labelsize=10)
plt.tight_layout()
savepath = os.path.join(path, key.replace("/", "_").lower() + ".png")
plt.savefig(savepath, dpi=300)
plt.close() | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | util/log_analyzer.py | python | _analyze | (logs, ds_name) | Parse and plot receiver metrics | Parse and plot receiver metrics | [
"Parse",
"and",
"plot",
"receiver",
"metrics"
] | def _analyze(logs, ds_name):
"""Parse and plot receiver metrics"""
start_time = _get_time(logs[0])
ds = list()
for log in logs:
logger.debug(log)
res = _parse(log, start_time)
logger.debug(res)
if (res is not None):
ds.append(res)
_plot(ds, ds_name) | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | doc/pandoc.py | python | convert_footnotes | (text, doc) | return "\n".join(lines) | Convert footnotes from github-flavored markdown into extended markdown
The extended markdown format provides a more specific syntax for footnotes,
which pandoc can process and convert into LaTeX footnotes.
This function assumes each document has a unique set of footnotes, and that
multiple docs can adopt the same footnote numbering. It keeps a global
record of footnotes and increases the footnote number such that the
concatenated text does not have duplicate footnotes. | Convert footnotes from github-flavored markdown into extended markdown | [
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"-",
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] | def convert_footnotes(text, doc):
"""Convert footnotes from github-flavored markdown into extended markdown
The extended markdown format provides a more specific syntax for footnotes,
which pandoc can process and convert into LaTeX footnotes.
This function assumes each document has a unique set of footnotes, and that
multiple docs can adopt the same footnote numbering. It keeps a global
record of footnotes and increases the footnote number such that the
concatenated text does not have duplicate footnotes.
"""
lines = text.splitlines()
footnote = None
for i, line in enumerate(lines):
if "<sup>" in line:
footnote = re.search(r"<sup>(.*?)</sup>", line).group(1)
if doc not in footnote_map:
footnote_map[doc] = {}
# Assign a global footnote number
if footnote in footnote_map[doc]:
i_footnote = footnote_map[doc][footnote]['idx']
else:
i_footnote = sum([len(x) for x in footnote_map.values()]) + 1
footnote_map[doc][footnote] = {
'idx': i_footnote,
'ref_missing': True
}
if footnote_map[doc][footnote]['ref_missing']:
# Footnote reference (without colon)
lines[i] = line.replace("<sup>" + footnote + "</sup>",
"[^{}]".format(i_footnote))
footnote_map[doc][footnote]['ref_missing'] = False
else:
# Footnote definition (with colon)
lines[i] = line.replace("<sup>" + footnote + "</sup>",
"[^{}]:".format(i_footnote))
return "\n".join(lines) | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | doc/pandoc.py | python | remove_yaml_front_matter | (text) | return text | Remove the YAML front matter of a Markdown document | Remove the YAML front matter of a Markdown document | [
"Remove",
"the",
"YAML",
"front",
"matter",
"of",
"a",
"Markdown",
"document"
] | def remove_yaml_front_matter(text):
"""Remove the YAML front matter of a Markdown document"""
if text[0:4] == "---\n":
# Find where the front matter ends
lines = text.splitlines()
i_end = 1
while (i_end < 10): # front matter should use less than 10 lines
if lines[i_end] == "---":
break
i_end += 1
assert (i_end < 10), "Failed to find YAML front matter closure"
# Remove also the extra line break after the front matter
if (lines[i_end + 1] == ""):
i_end += 1
text = "\n".join(lines[(i_end + 1):])
return text | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | doc/pandoc.py | python | fix_links | (concat_text, docs, title_map, absent_docs) | return "\n".join(lines) | Change document links to anchor links on the concatenated text
The original Markdown docs are linked to each other based on file
names. However, once they are concatenated, the original file links do not
work anymore. This function fixes the problem by changing the file links
into the corresponding in-document anchor links, based on the document's
title heading.
The other problem is that not all markdown docs are included on the
compiled pdf version. This function removes links to the docs are not
present in the concatenated text. | Change document links to anchor links on the concatenated text | [
"Change",
"document",
"links",
"to",
"anchor",
"links",
"on",
"the",
"concatenated",
"text"
] | def fix_links(concat_text, docs, title_map, absent_docs):
"""Change document links to anchor links on the concatenated text
The original Markdown docs are linked to each other based on file
names. However, once they are concatenated, the original file links do not
work anymore. This function fixes the problem by changing the file links
into the corresponding in-document anchor links, based on the document's
title heading.
The other problem is that not all markdown docs are included on the
compiled pdf version. This function removes links to the docs are not
present in the concatenated text.
"""
# Replace all document links with the corresponding anchor link
for doc in docs:
# Convert title to the corresponding markdown anchor link
anchor_link = title_map[doc].lower().replace(" ", "-")
# Replace direct links
original_link = "({})".format(doc)
new_link = "(#{})".format(anchor_link)
concat_text = concat_text.replace(original_link, new_link)
# Fix links pointing to a particular subsection
concat_text = concat_text.replace("({}#".format(doc), "(#")
# Replace links to absent docs
lines = concat_text.splitlines()
for doc in absent_docs:
original_link = "({})".format(doc)
for i, line in enumerate(lines):
if original_link in line:
match = re.search(r"\[(.*?)\]\(" + doc + r"\)", line)
lines[i] = line.replace(match.group(0), match.group(1))
return "\n".join(lines) | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | _get_iptables_rules | (net_if) | return rules | Get iptables rules that are specifically applied to a target interface
Args:
net_if : network interface name
Returns:
list of dictionaries with information of the individual matched rules | Get iptables rules that are specifically applied to a target interface | [
"Get",
"iptables",
"rules",
"that",
"are",
"specifically",
"applied",
"to",
"a",
"target",
"interface"
] | def _get_iptables_rules(net_if):
"""Get iptables rules that are specifically applied to a target interface
Args:
net_if : network interface name
Returns:
list of dictionaries with information of the individual matched rules
"""
# Unfortunately, root privileges are required to read the current firewall
# rules. Hence, we can't read the current rules without eventually asking
# the root password in dry-run mode. As a workaround, return an empty list
# as if the rule was not set yet.
if (runner.dry):
return []
# Get rules
cmd = ["iptables", "-L", "-v", "--line-numbers"]
res = runner.run(cmd, root=True, capture_output=True).stdout
# Parse
header1 = ""
header2 = ""
rules = list()
for line in res.splitlines():
if ("Chain INPUT" in line.decode()):
header1 = line.decode()
if ("destination" in line.decode()):
header2 = line.decode()
if (net_if in line.decode()):
rules.append({
'rule': line.decode().split(),
'header1': header1,
'header2': header2
})
return rules | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/firewall.py#L11-L50 |
|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | _is_iptables_igmp_rule_set | (net_if, cmd) | return False | Check if an iptables rule for IGMP is already configured
Args:
net_if : network interface name
cmd : list with iptables command
Returns:
True if rule is already set, False otherwise. | Check if an iptables rule for IGMP is already configured | [
"Check",
"if",
"an",
"iptables",
"rule",
"for",
"IGMP",
"is",
"already",
"configured"
] | def _is_iptables_igmp_rule_set(net_if, cmd):
"""Check if an iptables rule for IGMP is already configured
Args:
net_if : network interface name
cmd : list with iptables command
Returns:
True if rule is already set, False otherwise.
"""
assert (cmd[0] != "sudo")
for rule in _get_iptables_rules(net_if):
if (rule['rule'][3] == "ACCEPT" and rule['rule'][6] == cmd[6]
and rule['rule'][4] == "igmp"):
print("\nFirewall rule for IGMP already configured\n")
print(rule['header1'])
print(rule['header2'])
print(" ".join(rule['rule']))
print("\nSkipping...")
return True
return False | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | _is_iptables_udp_rule_set | (net_if, cmd) | return False | Check if an iptables rule for UDP is already configured
Args:
net_if : network interface name
cmd : list with iptables command
Returns:
True if rule is already set, False otherwise. | Check if an iptables rule for UDP is already configured | [
"Check",
"if",
"an",
"iptables",
"rule",
"for",
"UDP",
"is",
"already",
"configured"
] | def _is_iptables_udp_rule_set(net_if, cmd):
"""Check if an iptables rule for UDP is already configured
Args:
net_if : network interface name
cmd : list with iptables command
Returns:
True if rule is already set, False otherwise.
"""
assert (cmd[0] != "sudo")
for rule in _get_iptables_rules(net_if):
if (rule['rule'][3] == "ACCEPT" and rule['rule'][6] == cmd[6]
and rule['rule'][4] == "udp" and rule['rule'][12] == cmd[10]):
print("\nFirewall rule already configured\n")
print(rule['header1'])
print(rule['header2'])
print(" ".join(rule['rule']))
print("\nSkipping...")
return True
return False | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | _add_iptables_rule | (net_if, cmd) | Add iptables rule
Args:
net_if : network interface name
cmd : list with iptables command | Add iptables rule | [
"Add",
"iptables",
"rule"
] | def _add_iptables_rule(net_if, cmd):
"""Add iptables rule
Args:
net_if : network interface name
cmd : list with iptables command
"""
assert (cmd[0] != "sudo")
# Set up the iptables rules
runner.run(cmd, root=True)
for rule in _get_iptables_rules(net_if):
print_rule = False
if (rule['rule'][3] == "ACCEPT" and rule['rule'][6] == cmd[6]
and rule['rule'][4] == cmd[4]):
if (cmd[4] == "igmp"):
print_rule = True
elif (cmd[4] == "udp" and rule['rule'][12] == cmd[10]):
print_rule = True
if (print_rule):
print("Added iptables rule:\n")
print(rule['header1'])
print(rule['header2'])
print(" ".join(rule['rule']) + "\n") | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | _configure_iptables | (net_if, ports, igmp=False, prompt=True) | Configure iptables rules to accept blocksat traffic on a DVB-S2 interface
Args:
net_if : DVB network interface name
ports : ports used for blocks traffic and API traffic
igmp : Whether or not to configure rule to accept IGMP queries
prompt : Ask yes/no before applying any changes | Configure iptables rules to accept blocksat traffic on a DVB-S2 interface | [
"Configure",
"iptables",
"rules",
"to",
"accept",
"blocksat",
"traffic",
"on",
"a",
"DVB",
"-",
"S2",
"interface"
] | def _configure_iptables(net_if, ports, igmp=False, prompt=True):
"""Configure iptables rules to accept blocksat traffic on a DVB-S2 interface
Args:
net_if : DVB network interface name
ports : ports used for blocks traffic and API traffic
igmp : Whether or not to configure rule to accept IGMP queries
prompt : Ask yes/no before applying any changes
"""
cmd = [
"iptables",
"-I",
"INPUT",
"-p",
"udp",
"-i",
net_if,
"--match",
"multiport",
"--dports",
",".join(ports),
"-j",
"ACCEPT",
]
util.fill_print(
"A firewall rule is required to accept Blocksat traffic arriving " +
"through interface {} towards UDP ports {}.".format(
net_if, ",".join(ports)))
if (runner.dry):
util.fill_print("The following command would be executed:")
if (not _is_iptables_udp_rule_set(net_if, cmd)):
if (runner.dry or (not prompt) or util.ask_yes_or_no(
"Add the corresponding ACCEPT firewall rule?")):
_add_iptables_rule(net_if, cmd)
else:
print("\nFirewall configuration cancelled")
# We're done, unless we also need to configure an IGMP rule
if (not igmp):
return
# IGMP rule supports standalone DVB receivers. The host in this case will
# need to periodically send IGMP membership reports in order for upstream
# switches between itself and the DVB receiver to continue delivering the
# multicast-addressed traffic. This overcomes the scenario where group
# membership timeouts are implemented by the intermediate switches.
cmd = [
"iptables",
"-I",
"INPUT",
"-p",
"igmp",
"-i",
net_if,
"-j",
"ACCEPT",
]
print()
util.fill_print(
"A firewall rule is required to accept IGMP queries arriving from the "
"standalone DVB-S2 receiver on interface {}.".format(net_if))
if (runner.dry):
util.fill_print("The following command would be executed:")
if (not _is_iptables_igmp_rule_set(net_if, cmd)):
if (runner.dry or (not prompt) or util.ask_yes_or_no(
"Add the corresponding ACCEPT firewall rule?")):
_add_iptables_rule(net_if, cmd)
else:
print("\nIGMP firewall rule cancelled") | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/firewall.py#L133-L209 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | is_firewalld | () | return (res1.returncode == 0) | Check if the firewall is based on firewalld | Check if the firewall is based on firewalld | [
"Check",
"if",
"the",
"firewall",
"is",
"based",
"on",
"firewalld"
] | def is_firewalld():
"""Check if the firewall is based on firewalld"""
if (which('firewall-cmd') is None):
return False
if (which('systemctl') is None):
# Can't check whether firewalld is running
return False
# Run the following commands even in dry-run mode
res1 = runner.run(['systemctl', 'is-active', '--quiet', 'firewalld'],
nodry=True,
nocheck=True)
res2 = runner.run(['systemctl', 'is-active', '--quiet', 'iptables'],
nodry=True,
nocheck=True)
# If running (active), 'is-active' returns 0
if (res1.returncode == 0 and res2.returncode == 0):
raise ValueError(
"Failed to detect firewall system (firewalld or iptables)")
return (res1.returncode == 0) | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | _configure_firewalld | (net_if, ports, src_ip, igmp, prompt) | Configure firewalld for blocksat and IGMP traffic
Add one rich rule for blocksat traffic coming specifically from the
satellite of choice (corresponding to the given source IP) and another rich
rule (if necessary) for IGMP traffic.
NOTE: unlike the iptables configuration, the current firewalld
configuration disregards the network interface. The alternative to consider
the interface is to use firewalld zones. However, because the network
interface may not be dedicated to DVB-S2 traffic (e.g., when using a
standalone receiver), it can be undesirable to assign the interface
receiving satellite traffic to a dedicated zone just for blocksat. In
contrast, the rich rule approach is more generic and works for all types of
receivers. | Configure firewalld for blocksat and IGMP traffic | [
"Configure",
"firewalld",
"for",
"blocksat",
"and",
"IGMP",
"traffic"
] | def _configure_firewalld(net_if, ports, src_ip, igmp, prompt):
"""Configure firewalld for blocksat and IGMP traffic
Add one rich rule for blocksat traffic coming specifically from the
satellite of choice (corresponding to the given source IP) and another rich
rule (if necessary) for IGMP traffic.
NOTE: unlike the iptables configuration, the current firewalld
configuration disregards the network interface. The alternative to consider
the interface is to use firewalld zones. However, because the network
interface may not be dedicated to DVB-S2 traffic (e.g., when using a
standalone receiver), it can be undesirable to assign the interface
receiving satellite traffic to a dedicated zone just for blocksat. In
contrast, the rich rule approach is more generic and works for all types of
receivers.
"""
if len(ports) > 1:
portrange = "{}-{}".format(min(ports), max(ports))
else:
portrange = ports
util.fill_print(
"- Configure the firewall to accept Blocksat traffic arriving " +
"from {} towards address {} on UDP ports {}:\n".format(
src_ip, defs.mcast_ip, portrange))
if (not runner.dry and prompt):
if (not util.ask_yes_or_no("Add firewalld rule?")):
print("\nFirewall configuration cancelled")
return
rich_rule = ("rule "
"family=ipv4 "
"source address={} "
"destination address={}/32 "
"port port={} protocol=udp accept".format(
src_ip, defs.mcast_ip, portrange))
runner.run(['firewall-cmd', '--add-rich-rule', "{}".format(rich_rule)],
root=True)
if (runner.dry):
print()
util.fill_print(
"NOTE: Add \"--permanent\" to make it persistent. In this case, "
"remember to reload firewalld afterwards.")
# We're done, unless we also need to configure an IGMP rule
if (not igmp):
return
util.fill_print(
"- Allow IGMP packets. This is necessary when using a standalone "
"DVB-S2 receiver connected through a switch:\n")
if (not runner.dry and prompt):
if (not util.ask_yes_or_no("Enable IGMP on the firewall?")):
print("\nFirewall configuration cancelled")
return
runner.run(['firewall-cmd', '--add-protocol=igmp'], root=True)
print() | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/firewall.py#L237-L299 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | configure | (net_ifs, ports, src_ip, igmp=False, prompt=True, dry=False) | Configure firewallrules to accept blocksat traffic via DVB interface
Args:
net_ifs : List of DVB network interface names
ports : UDP ports used by satellite traffic
src_ip : Source IP to whitelist (unique to each satellite)
igmp : Whether or not to configure rule to accept IGMP queries
prompt : Prompt user to accept configurations before executing them
dry : Dry run mode | Configure firewallrules to accept blocksat traffic via DVB interface | [
"Configure",
"firewallrules",
"to",
"accept",
"blocksat",
"traffic",
"via",
"DVB",
"interface"
] | def configure(net_ifs, ports, src_ip, igmp=False, prompt=True, dry=False):
"""Configure firewallrules to accept blocksat traffic via DVB interface
Args:
net_ifs : List of DVB network interface names
ports : UDP ports used by satellite traffic
src_ip : Source IP to whitelist (unique to each satellite)
igmp : Whether or not to configure rule to accept IGMP queries
prompt : Prompt user to accept configurations before executing them
dry : Dry run mode
"""
assert (isinstance(net_ifs, list))
runner.set_dry(dry)
util.print_header("Firewall Rules")
for i, net_if in enumerate(net_ifs):
if (is_firewalld()):
_configure_firewalld(net_if, ports, src_ip, igmp, prompt)
else:
_configure_iptables(net_if, ports, igmp, prompt)
if (i < len(net_ifs) - 1):
print("") | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/firewall.py#L302-L325 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | subparser | (subparsers) | return p | Parser for firewall command | Parser for firewall command | [
"Parser",
"for",
"firewall",
"command"
] | def subparser(subparsers):
"""Parser for firewall command"""
p = subparsers.add_parser('firewall',
description="Set firewall rules",
help='Set firewall rules',
formatter_class=ArgumentDefaultsHelpFormatter)
p.add_argument('-i',
'--interface',
required=True,
help='Network interface')
p.add_argument(
'--standalone',
default=False,
action='store_true',
help='Apply configurations for a standalone DVB-S2 receiver')
p.add_argument('-y',
'--yes',
default=False,
action='store_true',
help="Default to answering Yes to configuration prompts")
p.add_argument("--dry-run",
action='store_true',
default=False,
help="Print all commands but do not execute them")
p.set_defaults(func=firewall_subcommand)
return p | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/firewall.py | python | firewall_subcommand | (args) | Call function that sets firewall rules
Handles the firewall subcommand | Call function that sets firewall rules | [
"Call",
"function",
"that",
"sets",
"firewall",
"rules"
] | def firewall_subcommand(args):
"""Call function that sets firewall rules
Handles the firewall subcommand
"""
user_info = config.read_cfg_file(args.cfg, args.cfg_dir)
if (user_info is None):
return
configure([args.interface],
defs.src_ports,
user_info['sat']['ip'],
igmp=args.standalone,
prompt=(not args.yes),
dry=args.dry_run) | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | _check_pip_updates | (cfg_dir, cli_version) | Check if the CLI has updates available via pip
Args:
cfg_dir : Directory where the .update is located/created
cli_version : Current version of the CLI | Check if the CLI has updates available via pip | [
"Check",
"if",
"the",
"CLI",
"has",
"updates",
"available",
"via",
"pip"
] | def _check_pip_updates(cfg_dir, cli_version):
"""Check if the CLI has updates available via pip
Args:
cfg_dir : Directory where the .update is located/created
cli_version : Current version of the CLI
"""
logger.debug("Checking blocksat-cli updates")
# Save the new pip verification timestamp on the cache file
update_cache = UpdateCache(cfg_dir)
update_cache.save()
# Is blocksat-cli installed?
res = subprocess.run(["pip3", "show", "blocksat-cli"],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL)
found = (res.returncode == 0)
# If the CLI was not installed via pip, don't check updates
if (not found):
logger.debug("Could not find blocksat-cli installed via pip3")
return
# Is the CLI outdated?
try:
outdated_list = json.loads(
subprocess.check_output(
["pip3", "list", "--outdated", "--format", "json"],
stderr=subprocess.DEVNULL).decode())
except subprocess.CalledProcessError:
# Don't break if the command fails. It could be a problem on pip. For
# example, there is a bug in which pip throws a TypeError on the "list
# --outdated" command saying: '>' not supported between instances of
# 'Version' and 'Version'
logger.warning("Failed to check blocksat-cli updates.")
return
cli_outdated = False
for package in outdated_list:
if (package['name'] == "blocksat-cli"):
cli_outdated = True
# Save the available update on the cache file
update_cache.save((package['version'], package['latest_version']))
logger.debug("Update available for blocksat-cli")
if (not cli_outdated):
logger.debug("blocksat-cli is up-to-date")
# Clear a potential update flag on the cache file
update_cache.save() | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/update.py#L73-L123 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | check_cli_updates | (args, cli_version) | Check if the CLI has updates available
Check the cache file first. If the cache is old enough, check updates
through the pip interface. The cache file can be verified very quickly,
whereas the verification through pip can be rather slow.
Args:
args : Arguments from parent argument parser
cli_version : Current version of the CLI | Check if the CLI has updates available | [
"Check",
"if",
"the",
"CLI",
"has",
"updates",
"available"
] | def check_cli_updates(args, cli_version):
"""Check if the CLI has updates available
Check the cache file first. If the cache is old enough, check updates
through the pip interface. The cache file can be verified very quickly,
whereas the verification through pip can be rather slow.
Args:
args : Arguments from parent argument parser
cli_version : Current version of the CLI
"""
# If pip is not available, assume the CLI was not installed via pip
if (not which("pip3")):
logger.debug("pip3 unavailable")
return
# Create the configuration directory if it does not exist
if not os.path.exists(args.cfg_dir):
os.makedirs(args.cfg_dir, exist_ok=True)
# Check the update cache file first
update_cache = UpdateCache(args.cfg_dir)
# If the cache file says there is an update available, check whether the
# current version is already the updated one. If not, recommend the update.
if (update_cache.has_update()):
if (update_cache.new_version() > StrictVersion(cli_version)):
# Not updated yet. Recommend it.
update_cache.recommend_update()
else:
# Already updated. Clear the update flag.
update_cache.save()
return
# If the last update verification was still recent (less than a day ago),
# do not check pip. Avoid the unnecessary spawning of the pip-checking
# thread.
if (update_cache.data):
time_since_last_check = (datetime.now() - update_cache.last_check())
if (time_since_last_check < timedelta(days=1)):
logger.debug(
"Last update check was less than a day ago: {}".format(
str(time_since_last_check)))
return
# Check pip updates on a thread. This verification can be slow, so it is
# better not to block.
t = threading.Thread(target=_check_pip_updates,
args=(args.cfg_dir, cli_version))
t.start() | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/update.py#L126-L177 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | UpdateCache.__init__ | (self, cfg_dir) | UpdateCache constructor
Args:
cfg_dir : Directory where the .update is located/created | UpdateCache constructor | [
"UpdateCache",
"constructor"
] | def __init__(self, cfg_dir):
"""UpdateCache constructor
Args:
cfg_dir : Directory where the .update is located/created
"""
super().__init__(cfg_dir, filename=".update") | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | UpdateCache.last_check | (self) | return datetime.strptime(self.data['last_check'],
'%Y-%m-%d %H:%M:%S.%f') | Return the datetime corresponding to the last update verification | Return the datetime corresponding to the last update verification | [
"Return",
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"to",
"the",
"last",
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"verification"
] | def last_check(self):
"""Return the datetime corresponding to the last update verification"""
return datetime.strptime(self.data['last_check'],
'%Y-%m-%d %H:%M:%S.%f') | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/update.py#L31-L34 |
|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | UpdateCache.save | (self, cli_update=None) | Save information into the update cache file
Args:
cli_update : Version of a new CLI version available for update,
if any | Save information into the update cache file | [
"Save",
"information",
"into",
"the",
"update",
"cache",
"file"
] | def save(self, cli_update=None):
"""Save information into the update cache file
Args:
cli_update : Version of a new CLI version available for update,
if any
"""
self.data['last_check'] = datetime.now().strftime(
'%Y-%m-%d %H:%M:%S.%f')
self.data['cli_update'] = cli_update
super().save() | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | UpdateCache.has_update | (self) | return 'cli_update' in self.data and \
self.data['cli_update'] is not None | Returns whether there is an update available for the CLI | Returns whether there is an update available for the CLI | [
"Returns",
"whether",
"there",
"is",
"an",
"update",
"available",
"for",
"the",
"CLI"
] | def has_update(self):
"""Returns whether there is an update available for the CLI"""
return 'cli_update' in self.data and \
self.data['cli_update'] is not None | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/update.py#L49-L52 |
|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | UpdateCache.new_version | (self) | return StrictVersion(self.data['cli_update'][1]) | Get the new version available for an update
Note: This method should be called only if there is a new update, as
confirmed by "has_update". Otherwise, it will throw an exception. | Get the new version available for an update | [
"Get",
"the",
"new",
"version",
"available",
"for",
"an",
"update"
] | def new_version(self):
"""Get the new version available for an update
Note: This method should be called only if there is a new update, as
confirmed by "has_update". Otherwise, it will throw an exception.
"""
return StrictVersion(self.data['cli_update'][1]) | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/update.py | python | UpdateCache.recommend_update | (self) | Print information regarding the recommended update | Print information regarding the recommended update | [
"Print",
"information",
"regarding",
"the",
"recommended",
"update"
] | def recommend_update(self):
"""Print information regarding the recommended update"""
if (self.data['cli_update'] is None):
return
print("\nUpdate available for blocksat-cli")
print("Current version: {}.\nLatest version: {}.".format(
self.data['cli_update'][0], self.data['cli_update'][1]))
print("Please run:\n\n pip3 install blocksat-cli --upgrade\n\n") | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/update.py#L63-L70 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/cache.py | python | Cache.__init__ | (self, cfg_dir, filename=".cache") | Cache constructor
Args:
cfg_dir : Directory where the .update is located/created | Cache constructor | [
"Cache",
"constructor"
] | def __init__(self, cfg_dir, filename=".cache"):
"""Cache constructor
Args:
cfg_dir : Directory where the .update is located/created
"""
self.path = os.path.join(cfg_dir, filename)
self.data = {}
self.load() | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/cache.py#L12-L21 |
||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/cache.py | python | Cache.load | (self) | Load data from the cache file | Load data from the cache file | [
"Load",
"data",
"from",
"the",
"cache",
"file"
] | def load(self):
"""Load data from the cache file"""
if (not os.path.exists(self.path)):
return
try:
with open(self.path, 'r') as fd:
self.data = json.load(fd)
except json.decoder.JSONDecodeError:
return | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/cache.py | python | Cache.save | (self) | Save data into the cache file
Args:
cli_update : Version of a new CLI version available for update,
if any | Save data into the cache file | [
"Save",
"data",
"into",
"the",
"cache",
"file"
] | def save(self):
"""Save data into the cache file
Args:
cli_update : Version of a new CLI version available for update,
if any
"""
with open(self.path, 'w') as fd:
json.dump(self.data, fd) | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/cache.py | python | Cache.get | (self, field) | Get using dot notation | Get using dot notation | [
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] | def get(self, field):
"""Get using dot notation"""
nested_keys = field.split('.')
tmp = self.data
for i, key in enumerate(nested_keys):
if key not in tmp:
return None
if i == len(nested_keys) - 1:
return tmp[key]
tmp = tmp[key] | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/cache.py | python | Cache.set | (self, field, val, overwrite=True) | Set using dot notation | Set using dot notation | [
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"notation"
] | def set(self, field, val, overwrite=True):
"""Set using dot notation"""
nested_keys = field.split('.')
tmp = self.data
for i, key in enumerate(nested_keys):
if key not in tmp:
tmp[key] = {}
if i == len(nested_keys) - 1:
if (key in tmp and not overwrite):
return
tmp[key] = val
tmp = tmp[key] | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | typed_input | (msg, hint=None, in_type=int, default=None) | return res | Ask for user input of a specific type | Ask for user input of a specific type | [
"Ask",
"for",
"user",
"input",
"of",
"a",
"specific",
"type"
] | def typed_input(msg, hint=None, in_type=int, default=None):
"""Ask for user input of a specific type"""
res = None
while (res is None):
try:
if (default is not None):
assert (isinstance(default, in_type))
input_val = _input(msg + ": [{}] ".format(default)) or default
else:
input_val = _input(msg + ": ")
res = in_type(input_val)
except ValueError:
if (hint is None):
if (in_type == int):
print("Please enter an integer number")
elif (in_type == float):
print("Please enter a number")
elif (in_type == IPv4Address):
print("Please enter a valid IPv4 address")
else:
type_str = in_type.__name__
print("Please enter a {}".format(type_str))
else:
print(hint)
assert (res is not None)
assert (isinstance(res, in_type))
return res | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | string_input | (msg, default=None) | return res | Ask for a non-null string input with an optional default value | Ask for a non-null string input with an optional default value | [
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"for",
"a",
"non",
"-",
"null",
"string",
"input",
"with",
"an",
"optional",
"default",
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] | def string_input(msg, default=None):
"""Ask for a non-null string input with an optional default value"""
res = ""
while (len(res) == 0):
if (default is not None):
assert (isinstance(default, str))
res = _input(msg + ": [{}] ".format(default)) or default
else:
res = _input(msg + ": ")
return res | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | ask_yes_or_no | (msg, default="y", help_msg=None) | return (response == "y") | Yes or no question
Args:
msg : the message or question to ask the user
default : default response
help_msg : Optional help message
Returns:
True if answer is yes, False otherwise. | Yes or no question | [
"Yes",
"or",
"no",
"question"
] | def ask_yes_or_no(msg, default="y", help_msg=None):
"""Yes or no question
Args:
msg : the message or question to ask the user
default : default response
help_msg : Optional help message
Returns:
True if answer is yes, False otherwise.
"""
response = None
if (default == "y"):
options = "[Y/n]"
else:
options = "[N/y]"
while response not in {"y", "n"}:
if (help_msg is None):
question = msg + " " + options + " "
raw_resp = _input(question) or default
else:
print(textwrap.fill(msg))
print()
print(textwrap.fill(help_msg))
print()
raw_resp = _input("Answer " + options + " ") or default
response = raw_resp.lower()
if (response not in ["y", "n"]):
print("Please enter \"y\" or \"n\"")
return (response == "y") | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | ask_multiple_choice | (vec,
msg,
label,
to_str,
help_msg=None,
none_option=False,
none_str="None of the above") | Multiple choice question
Args:
vec : Vector with elements to choose from
msg : Msg to prompt user for choice
label : Description/label of what "vec" holdes
to_str : Function that prints information about elements
help_msg : Optional help message
none_option : Whether to display a "none of the above" option
none_str : What do display as "none of the above" message
Returns:
Chosen element | Multiple choice question | [
"Multiple",
"choice",
"question"
] | def ask_multiple_choice(vec,
msg,
label,
to_str,
help_msg=None,
none_option=False,
none_str="None of the above"):
"""Multiple choice question
Args:
vec : Vector with elements to choose from
msg : Msg to prompt user for choice
label : Description/label of what "vec" holdes
to_str : Function that prints information about elements
help_msg : Optional help message
none_option : Whether to display a "none of the above" option
none_str : What do display as "none of the above" message
Returns:
Chosen element
"""
if (none_option):
assert (len(vec) > 0)
else:
assert (len(vec) > 1)
print(msg)
for i_elem, elem in enumerate(vec):
elem_str = to_str(elem)
print("[%2u] %s" % (i_elem, elem_str))
if (none_option):
print("[%2u] %s" % (len(vec), none_str))
if (help_msg is not None):
print()
print(help_msg)
resp = None
while (not isinstance(resp, int)):
try:
resp = int(_input("\n%s number: " % (label)))
except ValueError:
print("Please choose a number")
continue
max_resp = len(vec) + 1 if none_option else len(vec)
if (resp >= max_resp):
print("Please choose number from 0 to %u" % (max_resp - 1))
resp = None
continue
if (none_option and resp == len(vec)):
choice = None
print(none_str)
else:
choice = copy.deepcopy(vec[resp])
# NOTE: deep copy to prevent the caller from changing the original
# element.
print(to_str(choice))
print()
return choice | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | print_header | (header, target_len=80) | Print section header | Print section header | [
"Print",
"section",
"header"
] | def print_header(header, target_len=80):
"""Print section header"""
prefix = ""
suffix = ""
header_len = len(header) + 2
remaining = target_len - header_len
prefix_len = int(remaining / 2)
suffix_len = int(remaining / 2)
if (remaining % 1 == 1):
prefix_len += 1
for i in range(0, prefix_len):
prefix += "-"
for i in range(0, suffix_len):
suffix += "-"
print("\n" + prefix + " " + header + " " + suffix) | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | print_sub_header | (header, target_len=60) | Print sub-section header | Print sub-section header | [
"Print",
"sub",
"-",
"section",
"header"
] | def print_sub_header(header, target_len=60):
"""Print sub-section header"""
print_header(header, target_len=target_len) | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | get_home_dir | () | return os.path.expanduser("~" + user) | Get the user's home directory even if running with sudo | Get the user's home directory even if running with sudo | [
"Get",
"the",
"user",
"s",
"home",
"directory",
"even",
"if",
"running",
"with",
"sudo"
] | def get_home_dir():
"""Get the user's home directory even if running with sudo"""
sudo_user = os.environ.get('SUDO_USER')
user = sudo_user if sudo_user is not None else ""
return os.path.expanduser("~" + user) | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | _print_urlretrieve_progress | (block_num, block_size, total_size) | Print progress on urlretrieve's reporthook | Print progress on urlretrieve's reporthook | [
"Print",
"progress",
"on",
"urlretrieve",
"s",
"reporthook"
] | def _print_urlretrieve_progress(block_num, block_size, total_size):
"""Print progress on urlretrieve's reporthook"""
downloaded = block_num * block_size
progress = 100 * downloaded / total_size
if (total_size > 0):
print("Download progress: {:4.1f}%".format(progress), end='\r')
if (progress >= 100):
print("") | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | download_file | (url, destdir, dry_run, logger=None) | return local_path | Download file from a given URL
Args:
url : Download URL.
destdir : Destination directory.
dry_run : Dry-run mode.
logger : Optional logger to print messages.
Returns:
Path to downloaded file if the download is successful. None in
dry-run mode or if the download fails. | Download file from a given URL | [
"Download",
"file",
"from",
"a",
"given",
"URL"
] | def download_file(url, destdir, dry_run, logger=None):
"""Download file from a given URL
Args:
url : Download URL.
destdir : Destination directory.
dry_run : Dry-run mode.
logger : Optional logger to print messages.
Returns:
Path to downloaded file if the download is successful. None in
dry-run mode or if the download fails.
"""
filename = url.split('/')[-1]
local_path = os.path.join(destdir, filename)
if (dry_run):
print("Download: {}".format(url))
print("Save at: {}".format(destdir))
return
if (logger is not None):
logger.debug("Download {} and save at {}".format(url, destdir))
try:
urlretrieve(url, local_path, _print_urlretrieve_progress)
except HTTPError as e:
logger.error(str(e))
return
return local_path | [
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|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | ProcessRunner._get_cmd_str | (self, orig_cmd) | return "> " + " ".join(quoted_cmd) | Generate string for command
If any argument is supposed to be quoted (i.e., has spaces), add the
quotes. | Generate string for command | [
"Generate",
"string",
"for",
"command"
] | def _get_cmd_str(self, orig_cmd):
"""Generate string for command
If any argument is supposed to be quoted (i.e., has spaces), add the
quotes.
"""
quoted_cmd = orig_cmd.copy()
for i, elem in enumerate(quoted_cmd):
if (" " in elem):
quoted_cmd[i] = "\'{}\'".format(elem)
return "> " + " ".join(quoted_cmd) | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/util.py#L220-L231 |
|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | ProcessRunner.create_file | (self, content, path, **kwargs) | Create file with given content on a specified path
If the target path requires root privileges, this function can be
executed with option root=True. | Create file with given content on a specified path | [
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] | def create_file(self, content, path, **kwargs):
"""Create file with given content on a specified path
If the target path requires root privileges, this function can be
executed with option root=True.
"""
if (self.dry):
# In dry-run mode, run an equivalent echo command.
cmd = ["echo", "-e", repr(content), ">", path]
else:
tmp_file = tempfile.NamedTemporaryFile(mode="w", delete=False)
with tmp_file as fd:
fd.write(content)
cmd = ["mv", tmp_file.name, path]
self.run(cmd, **kwargs)
if (not self.dry):
self.logger.info("Created file {}".format(path)) | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | Pipe.__init__ | (self) | Create unnamed pipe | Create unnamed pipe | [
"Create",
"unnamed",
"pipe"
] | def __init__(self):
"""Create unnamed pipe"""
r_fd, w_fd = os.pipe()
self.r_fd = r_fd # read file descriptor
self.r_fo = os.fdopen(r_fd, "r") # read file object
self.w_fd = w_fd # write file descriptor
self.w_fo = os.fdopen(w_fd, "w") | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | Pipe.__del__ | (self) | Close pipe | Close pipe | [
"Close",
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] | def __del__(self):
"""Close pipe"""
self.r_fo.close()
self.w_fo.close() | [
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||
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | Pipe.readline | (self) | return self.r_fo.readline() | Read line from pipe file | Read line from pipe file | [
"Read",
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"from",
"pipe",
"file"
] | def readline(self):
"""Read line from pipe file"""
return self.r_fo.readline() | [
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] | https://github.com/Blockstream/satellite/blob/7948ba8f568718008529951c81625ebe5a759bdf/blocksatcli/util.py#L321-L323 |
|
Blockstream/satellite | 7948ba8f568718008529951c81625ebe5a759bdf | blocksatcli/util.py | python | Pipe.write | (self, data) | Write data to pipe file
Args:
data : The data to write into the pipe file | Write data to pipe file | [
"Write",
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"to",
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"file"
] | def write(self, data):
"""Write data to pipe file
Args:
data : The data to write into the pipe file
"""
self.w_fo.write(data) | [
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