text-generation-webui/modules/extensions.py

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import traceback
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import gradio as gr
import extensions
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import modules.shared as shared
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state = {}
available_extensions = []
setup_called = set()
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def load_extensions():
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global state, setup_called
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for i, name in enumerate(shared.args.extensions):
if name in available_extensions:
print(f'Loading the extension "{name}"... ', end='')
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try:
exec(f"import extensions.{name}.script")
extension = getattr(extensions, name).script
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if extension not in setup_called and hasattr(extension, "setup"):
setup_called.add(extension)
extension.setup()
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state[name] = [True, i]
print('Ok.')
except:
print('Fail.')
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traceback.print_exc()
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# This iterator returns the extensions in the order specified in the command-line
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def iterator():
for name in sorted(state, key=lambda x: state[x][1]):
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if state[name][0]:
yield getattr(extensions, name).script, name
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# Extension functions that map string -> string
def apply_extensions(text, typ):
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for extension, _ in iterator():
if typ == "input" and hasattr(extension, "input_modifier"):
text = extension.input_modifier(text)
elif typ == "output" and hasattr(extension, "output_modifier"):
text = extension.output_modifier(text)
elif typ == "bot_prefix" and hasattr(extension, "bot_prefix_modifier"):
text = extension.bot_prefix_modifier(text)
return text
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def create_extensions_block():
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global setup_called
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# Updating the default values
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for extension, name in iterator():
if hasattr(extension, 'params'):
for param in extension.params:
_id = f"{name}-{param}"
if _id in shared.settings:
extension.params[param] = shared.settings[_id]
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should_display_ui = False
for extension, name in iterator():
if hasattr(extension, "ui"):
should_display_ui = True
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# Creating the extension ui elements
if should_display_ui:
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with gr.Column(elem_id="extensions"):
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for extension, name in iterator():
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gr.Markdown(f"\n### {name}")
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if hasattr(extension, "ui"):
extension.ui()