Spaces:
Runtime error
Runtime error
File size: 6,991 Bytes
e00b837 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 |
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Hive Appier Framework
# Copyright (c) 2008-2024 Hive Solutions Lda.
#
# This file is part of Hive Appier Framework.
#
# Hive Appier Framework is free software: you can redistribute it and/or modify
# it under the terms of the Apache License as published by the Apache
# Foundation, either version 2.0 of the License, or (at your option) any
# later version.
#
# Hive Appier Framework is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# Apache License for more details.
#
# You should have received a copy of the Apache License along with
# Hive Appier Framework. If not, see <http://www.apache.org/licenses/>.
__author__ = "João Magalhães <joamag@hive.pt>"
""" The author(s) of the module """
__copyright__ = "Copyright (c) 2008-2024 Hive Solutions Lda."
""" The copyright for the module """
__license__ = "Apache License, Version 2.0"
""" The license for the module """
from . import common
from . import legacy
class Ordered(type):
"""
Metaclass to be used for classes where the
definition order of its attributes is critical
for the correct process.
"""
def __new__(cls, name, bases, attrs):
new_cls = super(Ordered, cls).__new__(cls, name, bases, attrs)
new_cls._ordered = [
(name, attrs.pop(name))
for name, value in legacy.eager(attrs.items())
if hasattr(value, "creation_counter")
]
new_cls._ordered.sort(key=lambda item: item[1].creation_counter)
new_cls._ordered = [name for name, value in new_cls._ordered]
return new_cls
def __init__(cls, name, bases, attrs):
super(Ordered, cls).__init__(name, bases, attrs)
def __cmp__(self, value):
return cmp(self.__name__, value.__name__) # @UndefinedVariable
def __lt__(self, value):
return self.__name__.__lt__(value.__name__)
class Indexed(type):
"""
Meta class data type for the indexing of the various route
oriented methods of a controller, should be able to dynamically
add such methods to the current running application registry.
"""
def __new__(cls, name, bases, attrs):
new_cls = super(Indexed, cls).__new__(cls, name, bases, attrs)
new_name = new_cls.__name__
# retrieves the complete set of elements in the current set of attributes
# that are marked with the "creation counter" and then sorts these same
# elements according to that value (sorting by order of definition)
ordered = [
(name, attrs.pop(name))
for name, value in legacy.eager(attrs.items())
if hasattr(value, "creation_counter")
]
ordered.sort(key=lambda item: item[1].creation_counter)
# in case there's no ordered related values there's nothing remaining
# to be done under this class creation and so the created class must
# be returned immediately to the caller method
if not ordered:
return new_cls
# retrieves the reference to the current global application instance
# and verifies if the global (cache) base registered value is defined
# in case it's not defines it as it's going to be used to avoid the
# duplicated registration of routes
app = common.base().App
if not hasattr(app, "_BASE_REGISTERED"):
app._BASE_REGISTERED = []
registered = app._BASE_REGISTERED
# iterates over the complete set of ordered elements to be able to
# register the associated elements for each of the ordered functions
for name, function in ordered:
# retrieves the complete set of sequence attributes for the function
# to be able to register each of them properly
routes = function._routes if hasattr(function, "_routes") else []
errors = function._errors if hasattr(function, "_errors") else []
exceptions = (
function._exceptions if hasattr(function, "_exceptions") else []
)
customs = function._customs if hasattr(function, "_customs") else []
# iterates over the complete set of routes associated with the current
# function to be able to add the route to the application
for route in routes:
# unpacks the route into each components to process them and then
# retrieves the method reference associated with the function, this
# is required as the current reference is just an unbound function
# and the bound method is required for registration
url, method, asynchronous, json, opts, priority = route
function = getattr(new_cls, name)
# creates the tuple that identifies the route as a set
# of method plus URL regex validation and verifies if
# it's already contained in the registered routes, in case
# that's the situation continues the loop to be able to
# avoid duplicated route registration (possible with imports)
route_t = (method, url)
if route_t in registered:
continue
registered.append(route_t)
# adds the new route to the application using the provided/unpacked
# values to define it properly as expected by specification
app.add_route(
method,
url,
function,
asynchronous=asynchronous,
json=json,
opts=opts,
context=new_name,
priority=priority,
)
for error in errors:
code, scope, json, opts, priority = error
app.add_error(
code,
function,
scope=scope,
json=json,
opts=opts,
context=new_name,
priority=priority,
)
for exception in exceptions:
exception, scope, json, opts, priority = exception
app.add_exception(
exception,
function,
scope=scope,
json=json,
opts=opts,
context=new_name,
priority=priority,
)
for custom in customs:
key, opts, priority = custom
app.add_custom(
key, function, opts=opts, context=new_name, priority=priority
)
return new_cls
def __init__(cls, name, bases, attrs):
super(Indexed, cls).__init__(name, bases, attrs)
|