File size: 7,501 Bytes
0eeee8c |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 |
import traceback
from functools import partial
from inspect import signature
import gradio as gr
import extensions
import modules.shared as shared
from modules.logging_colors import logger
state = {}
available_extensions = []
setup_called = set()
def apply_settings(extension, name):
if not hasattr(extension, 'params'):
return
for param in extension.params:
_id = f"{name}-{param}"
if _id not in shared.settings:
continue
extension.params[param] = shared.settings[_id]
def load_extensions():
global state, setup_called
state = {}
for i, name in enumerate(shared.args.extensions):
if name in available_extensions:
if name != 'api':
logger.info(f'Loading the extension "{name}"...')
try:
exec(f"import extensions.{name}.script")
extension = getattr(extensions, name).script
apply_settings(extension, name)
if extension not in setup_called and hasattr(extension, "setup"):
setup_called.add(extension)
extension.setup()
state[name] = [True, i]
except:
logger.error(f'Failed to load the extension "{name}".')
traceback.print_exc()
# This iterator returns the extensions in the order specified in the command-line
def iterator():
for name in sorted(state, key=lambda x: state[x][1]):
if state[name][0]:
yield getattr(extensions, name).script, name
# Extension functions that map string -> string
def _apply_string_extensions(function_name, text, state, is_chat=False):
for extension, _ in iterator():
if hasattr(extension, function_name):
func = getattr(extension, function_name)
# Handle old extensions without the 'state' arg or
# the 'is_chat' kwarg
count = 0
has_chat = False
for k in signature(func).parameters:
if k == 'is_chat':
has_chat = True
else:
count += 1
if count == 2:
args = [text, state]
else:
args = [text]
if has_chat:
kwargs = {'is_chat': is_chat}
else:
kwargs = {}
text = func(*args, **kwargs)
return text
# Extension functions that map string -> string
def _apply_chat_input_extensions(text, visible_text, state):
for extension, _ in iterator():
if hasattr(extension, 'chat_input_modifier'):
text, visible_text = extension.chat_input_modifier(text, visible_text, state)
return text, visible_text
# custom_generate_chat_prompt handling - currently only the first one will work
def _apply_custom_generate_chat_prompt(text, state, **kwargs):
for extension, _ in iterator():
if hasattr(extension, 'custom_generate_chat_prompt'):
return extension.custom_generate_chat_prompt(text, state, **kwargs)
return None
# Extension that modifies the input parameters before they are used
def _apply_state_modifier_extensions(state):
for extension, _ in iterator():
if hasattr(extension, "state_modifier"):
state = getattr(extension, "state_modifier")(state)
return state
# Extension that modifies the chat history before it is used
def _apply_history_modifier_extensions(history):
for extension, _ in iterator():
if hasattr(extension, "history_modifier"):
history = getattr(extension, "history_modifier")(history)
return history
# Extension functions that override the default tokenizer output - The order of execution is not defined
def _apply_tokenizer_extensions(function_name, state, prompt, input_ids, input_embeds):
for extension, _ in iterator():
if hasattr(extension, function_name):
prompt, input_ids, input_embeds = getattr(extension, function_name)(state, prompt, input_ids, input_embeds)
return prompt, input_ids, input_embeds
# Allow extensions to add their own logits processors to the stack being run.
# Each extension would call `processor_list.append({their LogitsProcessor}())`.
def _apply_logits_processor_extensions(function_name, processor_list, input_ids):
for extension, _ in iterator():
if hasattr(extension, function_name):
result = getattr(extension, function_name)(processor_list, input_ids)
if type(result) is list:
processor_list = result
return processor_list
# Get prompt length in tokens after applying extension functions which override the default tokenizer output
# currently only the first one will work
def _apply_custom_tokenized_length(prompt):
for extension, _ in iterator():
if hasattr(extension, 'custom_tokenized_length'):
return getattr(extension, 'custom_tokenized_length')(prompt)
return None
# Custom generate reply handling - currently only the first one will work
def _apply_custom_generate_reply():
for extension, _ in iterator():
if hasattr(extension, 'custom_generate_reply'):
return getattr(extension, 'custom_generate_reply')
return None
def _apply_custom_css():
all_css = ''
for extension, _ in iterator():
if hasattr(extension, 'custom_css'):
all_css += getattr(extension, 'custom_css')()
return all_css
def _apply_custom_js():
all_js = ''
for extension, _ in iterator():
if hasattr(extension, 'custom_js'):
all_js += getattr(extension, 'custom_js')()
return all_js
def create_extensions_block():
to_display = []
for extension, name in iterator():
if hasattr(extension, "ui") and not (hasattr(extension, 'params') and extension.params.get('is_tab', False)):
to_display.append((extension, name))
# Creating the extension ui elements
if len(to_display) > 0:
with gr.Column(elem_id="extensions"):
for row in to_display:
extension, _ = row
extension.ui()
def create_extensions_tabs():
for extension, name in iterator():
if hasattr(extension, "ui") and (hasattr(extension, 'params') and extension.params.get('is_tab', False)):
display_name = getattr(extension, 'params', {}).get('display_name', name)
with gr.Tab(display_name, elem_classes="extension-tab"):
extension.ui()
EXTENSION_MAP = {
"input": partial(_apply_string_extensions, "input_modifier"),
"output": partial(_apply_string_extensions, "output_modifier"),
"chat_input": _apply_chat_input_extensions,
"state": _apply_state_modifier_extensions,
"history": _apply_history_modifier_extensions,
"bot_prefix": partial(_apply_string_extensions, "bot_prefix_modifier"),
"tokenizer": partial(_apply_tokenizer_extensions, "tokenizer_modifier"),
'logits_processor': partial(_apply_logits_processor_extensions, 'logits_processor_modifier'),
"custom_generate_chat_prompt": _apply_custom_generate_chat_prompt,
"custom_generate_reply": _apply_custom_generate_reply,
"tokenized_length": _apply_custom_tokenized_length,
"css": _apply_custom_css,
"js": _apply_custom_js
}
def apply_extensions(typ, *args, **kwargs):
if typ not in EXTENSION_MAP:
raise ValueError(f"Invalid extension type {typ}")
return EXTENSION_MAP[typ](*args, **kwargs)
|