439 lines
14 KiB
Python
439 lines
14 KiB
Python
#!/usr/bin/env python3
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"""
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bsky_post.py — Post text + optional image or video to a Bluesky instance.
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Usage examples:
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python3 bsky_post.py "DIVENDRES!!!!" --video friday.mp4
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python3 bsky_post.py "Dijous!!!!" --image thursday.jpg
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python3 bsky_post.py "Bon dia!"
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python3 bsky_post.py "Bon dia!" --image photo.jpg --lang ca
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"""
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import argparse
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import logging
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import mimetypes
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import os
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import sys
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import time
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import random
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import re
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from dataclasses import dataclass
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from atproto import Client, client_utils, models
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# ============================================================
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# Config
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# ============================================================
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@dataclass(frozen=True)
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class RetryConfig:
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login_max_attempts: int = 5
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login_base_delay_seconds: float = 10.0
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login_max_delay_seconds: float = 600.0
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login_jitter_seconds: float = 3
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# ============================================================
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# Logging
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# ============================================================
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def setup_logging() -> None:
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logging.basicConfig(
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format="%(asctime)s %(message)s",
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level=logging.INFO,
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stream=sys.stdout,
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)
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# ============================================================
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# Text builder
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# ============================================================
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def make_rich(content: str):
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text_builder = client_utils.TextBuilder()
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content = content.strip()
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lines = content.splitlines()
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for line_idx, line in enumerate(lines):
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if not line.strip():
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if line_idx < len(lines) - 1:
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text_builder.text("\n")
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continue
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words = line.split(" ")
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for i, word in enumerate(words):
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if not word:
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if i < len(words) - 1:
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text_builder.text(" ")
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continue
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if word.startswith("http://") or word.startswith("https://"):
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text_builder.link(word, word)
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elif word.startswith("#") and len(word) > 1:
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tag_name = word[1:].rstrip(".,;:!?)'\"")
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if tag_name:
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text_builder.tag(word, tag_name)
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else:
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text_builder.text(word)
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else:
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text_builder.text(word)
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if i < len(words) - 1:
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text_builder.text(" ")
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if line_idx < len(lines) - 1:
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text_builder.text("\n")
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return text_builder
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# ============================================================
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# Error helpers
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# ============================================================
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def is_rate_limited_error(error_obj) -> bool:
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text = repr(error_obj).lower()
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return (
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"429" in text
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or "ratelimitexceeded" in text
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or "too many requests" in text
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or "rate limit" in text
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)
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def is_auth_error(error_obj) -> bool:
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text = repr(error_obj).lower()
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return (
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"401" in text
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or "403" in text
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or "invalid identifier or password" in text
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or "authenticationrequired" in text
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or "invalidtoken" in text
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)
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def is_network_error(error_obj) -> bool:
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text = repr(error_obj)
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signals = [
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"ConnectError",
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"RemoteProtocolError",
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"ReadTimeout",
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"WriteTimeout",
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"TimeoutException",
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"503",
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"502",
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"504",
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"ConnectionResetError",
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]
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return any(sig in text for sig in signals)
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def is_transient_error(error_obj) -> bool:
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error_text = repr(error_obj)
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transient_signals = [
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"InvokeTimeoutError",
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"ReadTimeout",
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"WriteTimeout",
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"TimeoutException",
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"RemoteProtocolError",
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"ConnectError",
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"503",
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"502",
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"504",
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]
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return any(signal in error_text for signal in transient_signals)
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def get_rate_limit_wait_seconds(error_obj, default_delay: float, max_delay: float) -> float:
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"""
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Parse common rate-limit headers and return a bounded wait time in seconds.
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Supports:
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- retry-after
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- x-ratelimit-after
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- ratelimit-reset (unix timestamp)
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"""
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try:
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now_ts = int(time.time())
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# Direct headers on exception
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headers = getattr(error_obj, "headers", None) or {}
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retry_after = headers.get("retry-after") or headers.get("Retry-After")
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if retry_after:
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return min(max(float(retry_after), 1.0), max_delay)
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x_after = headers.get("x-ratelimit-after") or headers.get("X-RateLimit-After")
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if x_after:
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return min(max(float(x_after), 1.0), max_delay)
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reset_value = headers.get("ratelimit-reset") or headers.get("RateLimit-Reset")
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if reset_value:
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wait_seconds = max(float(reset_value) - now_ts + 1.0, default_delay)
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return min(wait_seconds, max_delay)
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except Exception:
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pass
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try:
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# Nested response headers
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response = getattr(error_obj, "response", None)
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headers = getattr(response, "headers", None) or {}
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now_ts = int(time.time())
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retry_after = headers.get("retry-after") or headers.get("Retry-After")
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if retry_after:
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return min(max(float(retry_after), 1.0), max_delay)
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x_after = headers.get("x-ratelimit-after") or headers.get("X-RateLimit-After")
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if x_after:
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return min(max(float(x_after), 1.0), max_delay)
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reset_value = headers.get("ratelimit-reset") or headers.get("RateLimit-Reset")
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if reset_value:
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wait_seconds = max(float(reset_value) - now_ts + 1.0, default_delay)
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return min(wait_seconds, max_delay)
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except Exception:
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pass
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# repr fallback parsing
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text = repr(error_obj)
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m = re.search(r"'retry-after': '(\d+)'", text, re.IGNORECASE)
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if m:
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return min(max(float(m.group(1)), 1.0), max_delay)
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m = re.search(r"'x-ratelimit-after': '(\d+)'", text, re.IGNORECASE)
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if m:
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return min(max(float(m.group(1)), 1.0), max_delay)
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m = re.search(r"'ratelimit-reset': '(\d+)'", text, re.IGNORECASE)
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if m:
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now_ts = int(time.time())
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wait_seconds = max(float(m.group(1)) - now_ts + 1.0, default_delay)
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return min(wait_seconds, max_delay)
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return default_delay
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# ============================================================
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# Login with backoff
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# ============================================================
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def login_with_backoff(
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client: Client,
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username: str,
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password: str,
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service_url: str,
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max_attempts: int = 5,
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base_delay: float = 10.0,
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max_delay: float = 600.0,
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jitter: float = 1.5,
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) -> bool:
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for attempt in range(1, max_attempts + 1):
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try:
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logging.info(
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f"🔑 Login attempt {attempt}/{max_attempts} → {service_url} as {username}"
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)
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client.login(username, password)
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logging.info("✅ Login successful.")
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return True
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except Exception as e:
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logging.exception("❌ Login exception")
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# Fail fast on invalid credentials
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if is_auth_error(e):
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logging.error("❌ Bad credentials. Check handle/password.")
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return False
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# Respect explicit rate-limit timing
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if is_rate_limited_error(e):
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if attempt < max_attempts:
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wait = get_rate_limit_wait_seconds(e, default_delay=base_delay, max_delay=max_delay)
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wait = wait + random.uniform(0, jitter)
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logging.warning(
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f"⏳ Rate-limited on login (attempt {attempt}/{max_attempts}). "
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f"Retrying in {wait:.1f}s..."
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)
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time.sleep(wait)
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continue
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logging.error("❌ Exhausted login retries due to rate limiting.")
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return False
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# Retry transient/network problems
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if is_network_error(e) or is_transient_error(e):
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if attempt < max_attempts:
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wait = min(base_delay * attempt, max_delay) + random.uniform(0, jitter)
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logging.warning(
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f"⏳ Transient login error (attempt {attempt}/{max_attempts}). "
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f"Retrying in {wait:.1f}s..."
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)
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time.sleep(wait)
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continue
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logging.error("❌ Exhausted login retries after transient/network errors.")
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return False
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# Unknown errors: bounded retry anyway
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if attempt < max_attempts:
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wait = min(base_delay * attempt, max_delay) + random.uniform(0, jitter)
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logging.warning(
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f"⏳ Unknown login error (attempt {attempt}/{max_attempts}). "
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f"Retrying in {wait:.1f}s..."
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)
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time.sleep(wait)
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continue
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return False
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# ============================================================
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# Media upload
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# ============================================================
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def detect_mime_type(path: str) -> str:
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mime, _ = mimetypes.guess_type(path)
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if mime:
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return mime
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ext = os.path.splitext(path)[1].lower()
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fallbacks = {
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".jpg": "image/jpeg", ".jpeg": "image/jpeg",
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".png": "image/png", ".gif": "image/gif",
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".webp": "image/webp",
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".mp4": "video/mp4", ".mov": "video/quicktime",
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".webm": "video/webm",
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}
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return fallbacks.get(ext, "application/octet-stream")
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def upload_image(
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client: Client,
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image_path: str,
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alt_text: str = "",
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) -> models.AppBskyEmbedImages.Image | None:
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try:
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mime = detect_mime_type(image_path)
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with open(image_path, "rb") as f:
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data = f.read()
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logging.info(f"🖼️ Uploading image: {image_path} ({len(data)/1024:.1f} KB, {mime})")
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response = client.upload_blob(data)
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logging.info("✅ Image uploaded successfully.")
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return models.AppBskyEmbedImages.Image(
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image=response.blob,
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alt=alt_text,
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)
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except Exception as e:
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logging.error(f"❌ Failed to upload image: {repr(e)}")
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return None
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def upload_video(
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client: Client,
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video_path: str,
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alt_text: str = "",
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) -> models.AppBskyEmbedVideo.Main | None:
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try:
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mime = detect_mime_type(video_path)
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with open(video_path, "rb") as f:
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data = f.read()
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logging.info(f"🎬 Uploading video: {video_path} ({len(data)/1024:.1f} KB, {mime})")
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response = client.upload_blob(data)
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logging.info("✅ Video blob uploaded successfully.")
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return models.AppBskyEmbedVideo.Main(
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video=response.blob,
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alt=alt_text,
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)
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except Exception as e:
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logging.error(f"❌ Failed to upload video: {repr(e)}")
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return None
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# ============================================================
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# Post
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# ============================================================
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def post_to_bsky(
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client: Client,
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text: str,
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langs: list[str],
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image_path: str | None = None,
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video_path: str | None = None,
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alt_text: str = "",
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) -> bool:
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rich_text = make_rich(text)
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embed = None
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if image_path:
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image = upload_image(client, image_path, alt_text=alt_text)
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if not image:
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logging.error("❌ Aborting post: image upload failed.")
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return False
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embed = models.AppBskyEmbedImages.Main(images=[image])
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elif video_path:
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video = upload_video(client, video_path, alt_text=alt_text)
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if not video:
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logging.error("❌ Aborting post: video upload failed.")
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return False
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embed = video
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try:
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logging.info(f"🚀 Sending post (langs={langs}, text={text!r})")
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result = client.send_post(text=rich_text, embed=embed, langs=langs)
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uri = getattr(result, "uri", None)
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logging.info(f"✅ Post published! URI: {uri}")
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return True
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except Exception as e:
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logging.error(f"❌ Failed to send post: {repr(e)}")
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return False
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# ============================================================
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# CLI
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# ============================================================
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def main():
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setup_logging()
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parser = argparse.ArgumentParser(
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description="Post text + optional image or video to a Bluesky instance."
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)
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parser.add_argument("text", help="Post text content")
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parser.add_argument("--username", required=True, help="Bluesky handle or email")
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parser.add_argument("--password", required=True, help="Bluesky app password")
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parser.add_argument("--service", default="https://bsky.social", help="Bluesky PDS URL")
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parser.add_argument("--lang", default="ca", help="Comma-separated language codes (e.g. ca,es)")
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parser.add_argument("--image", default=None, help="Path to image file to attach")
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parser.add_argument("--video", default=None, help="Path to video file to attach")
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parser.add_argument("--alt", default="", help="Alt text for media")
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args = parser.parse_args()
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client = Client(base_url=args.service)
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success = login_with_backoff(
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client,
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args.username,
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args.password,
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args.service,
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max_attempts=RetryConfig.login_max_attempts,
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base_delay=RetryConfig.login_base_delay_seconds,
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max_delay=RetryConfig.login_max_delay_seconds,
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jitter=RetryConfig.login_jitter_seconds,
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)
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if not success:
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sys.exit(1)
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langs = [l.strip() for l in args.lang.split(",") if l.strip()]
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post_success = post_to_bsky(
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client,
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text=args.text,
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langs=langs,
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image_path=args.image,
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video_path=args.video,
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alt_text=args.alt,
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)
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if not post_success:
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sys.exit(1)
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if __name__ == "__main__":
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main() |