Phase 0 MVP: Telegram Archiver fully functional (992 posts tested)

This commit is contained in:
2026-03-06 22:15:50 +03:00
parent bb8c7766b4
commit b76e27afcb
14 changed files with 1171 additions and 134 deletions
+132 -49
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@@ -5,6 +5,7 @@ Handles message processing, markdown generation, and file organization.
import asyncio
import logging
import re
from datetime import datetime
from pathlib import Path
from typing import Optional
@@ -19,6 +20,54 @@ from config import Settings, get_settings
logger = logging.getLogger(__name__)
def extract_hashtags(text: str) -> list[str]:
"""
Extract hashtags from text.
Matches: #tag, #тег, #tag123, #тэг_с_подчёркиванием
Supports: Latin, Cyrillic, digits, underscores
Args:
text: Message text
Returns:
List of unique hashtags (without #)
"""
if not text:
return []
# Regex for hashtags: # followed by word chars (including Cyrillic)
pattern = r'#([\wа-яА-ЯёЁ\d_]+)'
matches = re.findall(pattern, text)
# Return unique tags, lowercase
return list(set(tag.lower() for tag in matches))
def remove_hashtags(text: str) -> str:
"""
Remove hashtags from text.
Args:
text: Message text with hashtags
Returns:
Text without hashtags (extra whitespace cleaned)
"""
if not text:
return text
# Remove hashtags
pattern = r'#\w+[\wа-яА-ЯёЁ\d_]*'
text = re.sub(pattern, '', text)
# Clean up multiple spaces/newlines
text = re.sub(r'\n\s*\n', '\n\n', text)
text = re.sub(r' {2,}', ' ', text)
return text.strip()
class ChannelArchiver:
"""
Handles archiving of a single Telegram channel.
@@ -167,52 +216,62 @@ class ChannelArchiver:
self.stats["posts_skipped"] += 1
return
logger.debug(f"Processing message {message_id}...")
try:
logger.debug(f"Processing message {message_id}...")
# Create bundle directory
bundle_dir.mkdir(parents=True, exist_ok=True)
# Create bundle directory
bundle_dir.mkdir(parents=True, exist_ok=True)
# Extract post data
post_data = await self._extract_post_data(message)
# Extract post data
post_data = await self._extract_post_data(message)
# Download media
if message.media:
media_info = await self.client.download_media(
message, bundle_dir, self.settings.max_file_size
)
# Update post_data with media info
for info in media_info:
media_file = MediaFile(
filename=info["filename"],
type=info["type"],
caption=info.get("caption"),
size=info.get("size"),
is_too_large=info.get("is_too_large", False),
# Download media
if message.media:
media_info = await self.client.download_media(
message, bundle_dir, self.settings.max_file_size, timeout=30
)
post_data.media_files.append(media_file)
if info.get("is_too_large"):
self.stats["media_skipped_large"] += 1
self.stats["large_files"].append(
{
"message_id": message_id,
"filename": info["filename"],
"size": info.get("size"),
}
# Update post_data with media info
for info in media_info:
media_file = MediaFile(
filename=info["filename"],
type=info["type"],
caption=info.get("caption"),
size=info.get("size"),
is_too_large=info.get("is_too_large", False),
)
else:
self.stats["media_downloaded"] += 1
post_data.media_files.append(media_file)
# Generate markdown
markdown_content = self._generate_markdown(post_data)
if info.get("is_too_large"):
self.stats["media_skipped_large"] += 1
self.stats["large_files"].append(
{
"message_id": message_id,
"filename": info["filename"],
"size": info.get("size"),
}
)
else:
self.stats["media_downloaded"] += 1
# Write index.md
index_path = bundle_dir / "index.md"
index_path.write_text(markdown_content, encoding="utf-8")
# Generate markdown
markdown_content = self._generate_markdown(post_data)
self.stats["posts_archived"] += 1
logger.debug(f"Message {message_id} archived successfully")
# Write index.md
index_path = bundle_dir / "index.md"
index_path.write_text(markdown_content, encoding="utf-8")
self.stats["posts_archived"] += 1
# Log progress every 50 posts
if self.stats["posts_archived"] % 50 == 0:
logger.info(f"Progress: {self.stats['posts_archived']} posts archived...")
logger.debug(f"Message {message_id} archived successfully")
except Exception as e:
logger.error(f"Failed to process message {message_id}: {e}")
self.stats["posts_skipped"] += 1
async def _extract_post_data(self, message: Message) -> PostData:
"""
@@ -230,10 +289,18 @@ class ChannelArchiver:
channel_title = getattr(channel, "title", channel_username)
# Convert message text to markdown
text = message.message or ""
if message.message:
# Use Telethon's built-in markdown converter
text = message.get_message_text(markdown=True)
original_text = message.message or ""
if message.message and message.entities:
# Use Telethon's markdown parser with entities
text = message.text # Plain text
else:
text = original_text
# Extract hashtags from text
tags = extract_hashtags(text)
# Remove hashtags from text (clean up)
clean_text = remove_hashtags(text)
# Handle reply-to
reply_to = None
@@ -258,18 +325,20 @@ class ChannelArchiver:
return PostData(
message_id=message.id,
date=message.date,
text=text,
text=clean_text, # Use cleaned text (without hashtags)
author=channel_title,
channel_username=channel_username,
reply_to=reply_to,
repost_from=repost_from,
repost_channel=repost_channel,
views=getattr(message, "views", None),
tags=tags, # Extracted hashtags
)
def _generate_markdown(self, post: PostData) -> str:
"""
Generate markdown content with front-matter for Hugo.
Uses Hugo shortcodes for media embedding.
Args:
post: PostData object
@@ -284,6 +353,10 @@ class ChannelArchiver:
"author": post.author,
}
# Add tags if present
if post.tags:
frontmatter["tags"] = post.tags
# Add optional fields
if post.reply_to:
# Relative link to the replied post's index.md
@@ -309,21 +382,31 @@ class ChannelArchiver:
# Build markdown content
content = []
# Add media embeds for downloaded files
# Add media embeds using Hugo shortcodes
for mf in post.media_files:
if not mf.is_too_large:
if mf.type == "photo":
content.append(f"![{mf.caption or ''}]({mf.filename})")
# Hugo figure shortcode
if mf.caption:
content.append(f'{{{{< figure src="{mf.filename}" alt="{mf.caption}" title="{mf.caption}" >}}}}')
else:
content.append(f'{{{{< figure src="{mf.filename}" >}}}}')
elif mf.type == "video":
content.append(f"@[video]({mf.filename})")
# Hugo video shortcode
content.append(f'{{{{< video src="{mf.filename}" >}}}}')
elif mf.type == "audio":
content.append(f"@[audio]({mf.filename})")
# Hugo audio shortcode
content.append(f'{{{{< audio src="{mf.filename}" >}}}}')
elif mf.type == "document":
content.append(f"📎 [{mf.filename}]({mf.filename})")
# Download link for documents
content.append(f'📎 [{mf.filename}]({mf.filename})')
# Add text content
# Add text content (only if not already in media caption)
if post.text:
content.append(post.text)
# Check if text is already used as caption in media
captions = [mf.caption for mf in post.media_files if mf.caption]
if post.text not in captions:
content.append(post.text)
# Mark reposts visually
if post.repost_from:
+14 -4
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@@ -8,10 +8,15 @@ import sys
from pathlib import Path
from typing import Optional
from opentelemetry import trace
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor
from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
# OpenTelemetry is optional - skip if not installed
try:
from opentelemetry import trace
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor
from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
OTEL_AVAILABLE = True
except ImportError:
OTEL_AVAILABLE = False
def setup_logging(
@@ -62,6 +67,11 @@ def setup_logging(
def setup_opentelemetry() -> None:
"""Configure OpenTelemetry tracing."""
if not OTEL_AVAILABLE:
logger = logging.getLogger(__name__)
logger.warning("OpenTelemetry not available - tracing disabled")
return
# Set up tracer provider
trace.set_tracer_provider(TracerProvider())
+5
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@@ -19,6 +19,7 @@ class MediaType(str, Enum):
VIDEO_NOTE = "video_note"
STICKER = "sticker"
ANIMATION = "animation" # GIF
TIMEOUT = "timeout" # File skipped due to timeout
class MediaFile(BaseModel):
@@ -76,6 +77,10 @@ class PostData(BaseModel):
default=False,
description="True if some files were not downloaded due to size limit"
)
tags: list[str] = Field(
default_factory=list,
description="Hashtags extracted from the post"
)
@property
def bundle_dir(self) -> str:
+94 -31
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@@ -64,10 +64,11 @@ class TelethonArchiver:
session=self.settings.session_path,
api_id=self.settings.api_id,
api_hash=self.settings.api_hash,
device_model="Telegram Archiver",
device_model="Desktop (Ubuntu)", # Helps with code delivery
system_version="Ubuntu 22.04",
app_version="1.0.0",
lang_code="en",
system_lang_code="en",
lang_code="ru", # Russian language
system_lang_code="ru",
)
await self.client.connect()
@@ -83,26 +84,58 @@ class TelethonArchiver:
async def _authenticate(self) -> None:
"""Handle the authentication flow."""
try:
# Send code request
await self.client.send_code_request(self.settings.phone)
logger.info(f"Code sent to {self.settings.phone}")
# Try app code first
logger.info("Requesting auth code via Telegram app...")
sent_code = await self.client.send_code_request(
self.settings.phone,
force_sms=False
)
logger.info(f"Code request sent. Type: {sent_code.type}")
# Get code from user (in MVP, we'll use input())
code = input("Enter the code you received: ")
# Get code from user
print("\n" + "=" * 50)
print("AUTHENTICATION REQUIRED")
print("=" * 50)
print("Check your Telegram app (NOT SMS) for the code.")
print("Look for a message from 'Telegram' with the code.")
print("=" * 50)
print("\nOptions:")
print(" 1. Enter the code from Telegram app")
print(" 2. Type 'sms' to receive code via SMS")
print(" 3. Press Ctrl+C to cancel")
print("=" * 50)
user_input = input("\nEnter code (or 'sms'): ").strip()
# If user requests SMS
if user_input.lower() == 'sms':
logger.info("Requesting SMS code...")
print("\n📱 Requesting SMS code...")
sent_code = await self.client.send_code_request(
self.settings.phone,
force_sms=True
)
print("SMS sent! Enter the code:")
user_input = input("SMS Code: ").strip()
code = user_input
try:
await self.client.sign_in(
phone=self.settings.phone,
code=code
code=code,
phone_code_hash=sent_code.phone_code_hash
)
except SessionPasswordNeededError:
# 2FA is enabled
logger.info("2FA enabled. Enter password:")
print("\n🔐 2FA enabled")
password = input("2FA Password: ")
await self.client.sign_in(password=password)
except FloodWaitError as e:
logger.error(f"Flood wait: must wait {e.seconds} seconds")
print(f"\n⚠️ You must wait {e.seconds} seconds before trying again.")
raise
except Exception as e:
logger.error(f"Authentication failed: {e}")
@@ -165,24 +198,33 @@ class TelethonArchiver:
# Iterate messages (newest first)
message_count = 0
async for message in self.client.iter_messages(
entity,
limit=limit,
min_id=from_message_id, # Messages with ID > from_message_id
):
yield message
message_count += 1
error_count = 0
# Build iter_messages kwargs
iter_kwargs = {"limit": limit}
if from_message_id:
iter_kwargs["min_id"] = from_message_id
async for message in self.client.iter_messages(entity, **iter_kwargs):
try:
yield message
message_count += 1
if message_count % 100 == 0:
logger.debug(f"Fetched {message_count} messages...")
if message_count % 50 == 0:
logger.info(f"Progress: {message_count} messages fetched...")
except Exception as e:
error_count += 1
logger.error(f"Error processing message {message.id}: {e}")
continue # Skip problematic messages
logger.info(f"Finished fetching. Total messages: {message_count}")
logger.info(f"Finished fetching. Total: {message_count}, Errors: {error_count}")
async def download_media(
self,
message: Message,
output_path: Path,
max_size: Optional[int] = None,
timeout: int = 60, # Timeout in seconds
) -> list[dict]:
"""
Download all media from a message.
@@ -191,6 +233,7 @@ class TelethonArchiver:
message: Telegram message with media
output_path: Directory to save media files
max_size: Maximum file size to download (bytes)
timeout: Timeout for each file download in seconds
Returns:
List of dicts with file info (filename, type, size, path, is_too_large)
@@ -204,20 +247,40 @@ class TelethonArchiver:
# Ensure output directory exists
output_path.mkdir(parents=True, exist_ok=True)
# Handle different media types
if isinstance(message.media, MessageMediaPhoto):
# Photo
info = await self._download_photo(message, output_path, max_size)
if info:
media_info.append(info)
try:
# Handle different media types with timeout
if isinstance(message.media, MessageMediaPhoto):
# Photo
info = await asyncio.wait_for(
self._download_photo(message, output_path, max_size),
timeout=timeout
)
if info:
media_info.append(info)
elif isinstance(message.media, MessageMediaDocument):
# Document, video, audio, etc.
info = await self._download_document(message, output_path, max_size)
if info:
media_info.append(info)
elif isinstance(message.media, MessageMediaDocument):
# Document, video, audio, etc.
info = await asyncio.wait_for(
self._download_document(message, output_path, max_size),
timeout=timeout
)
if info:
media_info.append(info)
# Note: Other media types (geo, poll, etc.) are not downloadable
except asyncio.TimeoutError:
logger.warning(f"Timeout downloading media for message {message.id}")
# Add info about skipped file
media_info.append({
"filename": "timeout_skipped.bin",
"type": "timeout",
"caption": None,
"size": 0,
"path": None,
"is_too_large": False,
"timeout": True,
})
except Exception as e:
logger.error(f"Error downloading media for message {message.id}: {e}")
return media_info