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Restructured code in regex matching for better performance

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This commit is contained in:
afolivieri 2024-10-11 18:26:24 +03:00
parent a3dc002b9a
commit 84dce3d095
1 changed files with 46 additions and 10 deletions
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50
streaming_overseer.py
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@ -100,6 +100,9 @@ def load_patterns():
return word_patterns return word_patterns
def escape_markdown(text):
return regex.sub(r'(\*\*)', r'\\\1', text)
async def shutdown(signal, client, loop): async def shutdown(signal, client, loop):
logging.info(f"Received exit signal {signal.name}...") logging.info(f"Received exit signal {signal.name}...")
@ -122,17 +125,50 @@ async def main():
async def handler(event): async def handler(event):
try: try:
message_content = event.message.message if event.message else "" message_content = event.message.message if event.message else ""
word_counts = {}
first_match_contexts = {}
for word, pattern in word_patterns.items(): for word, pattern in word_patterns.items():
for match in pattern.finditer(message_content): matches = list(pattern.finditer(message_content))
start_pos = max(match.start() - 20, 0) if matches:
end_pos = min(match.end() + 20, len(message_content)) count = len(matches)
context = message_content[start_pos:end_pos] word_counts[word] = count
await client.send_message(channel_id, f"Keyword Match from {event.chat.title}: {word}\nContext: {context}") if len(first_match_contexts) < 3:
if word not in first_match_contexts:
first_match = matches[0]
start_pos = first_match.start()
end_pos = first_match.end()
context_start = max(start_pos - 20, 0)
context_end = min(end_pos + 20, len(message_content))
context = message_content[context_start:context_end]
first_match_contexts[word] = context
if word_counts:
matched_words_with_counts = []
for word, count in word_counts.items():
if count > 1:
matched_word = f"{word} ({count})"
else:
matched_word = word
matched_word = escape_markdown(matched_word)
matched_words_with_counts.append(matched_word)
matched_words_str = ', '.join(matched_words_with_counts)
contexts = []
for word, context in first_match_contexts.items():
word_escaped = escape_markdown(word)
contexts.append(f"{word_escaped}: {context}")
contexts_str = ";\n".join(contexts)
context_label = "First three different match contexts"
message_text = f"SCRIPT Keyword Match from {event.chat.title}: {matched_words_str}"
if contexts:
message_text += f"\n{context_label}:\n{contexts_str}"
else:
message_text += "\nNo contexts available."
await client.send_message(channel_id, message_text)
await asyncio.sleep(0.1) await asyncio.sleep(0.1)
await event.message.forward_to(channel_id) #await event.message.forward_to(channel_id)
await asyncio.sleep(0.5) await asyncio.sleep(0.5)
print(f'Forwarded Message: {message_content}') print(f'Forwarded Message: {message_content}')
break
except Exception as e: except Exception as e:
logging.error(f"Error in message handler: {e}") logging.error(f"Error in message handler: {e}")