Add auto responder for trump shit

src/cogs/auto_responder.py

@@ -0,0 +1,120 @@
+import asyncio
+import pathlib
+import subprocess
+
+import discord
+import re
+import tempfile
+from urllib.parse import urlparse
+import logging
+from discord.ext import commands
+
+from .ffmeta import FFMeta
+
+
+class AutoResponder(commands.Cog):
+    def __init__(self, bot: commands.Bot):
+        self.bot = bot
+        self.log = logging.getLogger("jimmy.cogs.auto_responder")
+        self.transcode_lock = asyncio.Lock()
+
+    @staticmethod
+    def extract_links(text: str, *domains: str) -> list[str]:
+        """
+        Extracts all links from a given text.
+
+        :param text: The raw text to extract links from.
+        :param domains: A list of domains to filter for.
+        :return: A list of found links
+        """
+        split = text.split()
+        links = []
+        for word in split:
+            url = urlparse(word)
+            if not url.netloc:
+                continue
+            if domains and url.netloc not in domains:
+                continue
+            links.append(url.geturl())
+        return links
+
+    async def _transcode_hevc_to_h264(self, uri: str | pathlib.Path) -> tuple[discord.File, pathlib.Path] | None:
+        """
+        Transcodes the given URL or file to H264 from HEVC, trying to preserve quality and file size.
+
+        :param uri: The URI to transcode
+        :return: A transcoded file
+        """
+        self.log.info("Waiting for transcode lock to release")
+        async with self.transcode_lock:
+            cog: FFMeta = self.bot.get_cog("FFMeta")
+            if not cog:
+                raise RuntimeError("FFMeta cog not loaded")
+            if not isinstance(uri, str):
+                uri = str(uri)
+
+            self.log.info("Probing %s", uri)
+            info = await cog._run_ffprobe(uri, True)
+            if not info:
+                raise ValueError("No info found for %r" % uri)
+            streams = info.get("streams", [])
+            for stream in streams:
+                if stream.get("codec_name") == "hevc":
+                    self.log.info("Found HEVC stream: %r", stream)
+                    break
+            else:
+                self.log.info("No HEVC streams found in %s", uri)
+                return
+            with tempfile.NamedTemporaryFile(suffix=".mp4") as tmp:
+                tmp_path = pathlib.Path(tmp.name)
+                self.log.debug("Transcoding %r to %r", uri, tmp_path)
+                args = [
+                    "-i", str(uri),
+                    "-c:v", "libx264",
+                    "-crf", "25",
+                    "-c:a", "libopus",
+                    "-b:a", "64k",
+                    "-preset", "slower"
+                    "-y"
+                ]
+                process = await asyncio.create_subprocess_exec(
+                    "ffmpeg",
+                    *args,
+                    str(tmp_path),
+                    stdout=asyncio.subprocess.PIPE,
+                    stderr=asyncio.subprocess.PIPE,
+                )
+                stdout, stderr = await process.communicate()
+                self.log.info("finished transcode with return code %d", process.returncode)
+                self.log.debug("stdout: %r", stdout.decode)
+                self.log.debug("stderr: %r", stderr.decode)
+                if process.returncode != 0:
+                    raise subprocess.SubprocessError(
+                        process.returncode,
+                        " ".join(args),
+                        stdout,
+                        stderr,
+                    )
+                return discord.File(tmp_path), tmp_path
+
+    @commands.Cog.listener("on_message")
+    async def auto_responder(self, message: discord.Message):
+        if message.author == self.bot.user:
+            return
+
+        # Check for HEVC truth social links and convert into h264
+        links = self.extract_links(message.content, "static-assets-1.truthsocial.com")
+        if links:
+            for link in links:
+                self.log.info("Found link to transcode: %r", link)
+                try:
+                    file, _p = await self._transcode_hevc_to_h264(link)
+                    if file:
+                        if _p.stat().st_size <= 24.5 * 1024 * 1024:
+                            await message.reply(file=file)
+                except Exception as e:
+                    self.log.error("Failed to transcode %r: %r", link, e)
+
+
+def setup(bot):
+    bot.add_cog(AutoResponder(bot))

src/cogs/ffmeta.py

@@ -2,6 +2,7 @@ import asyncio
 import io
 import json
 import logging
+import pathlib
 import tempfile
 import typing
 from pathlib import Path
@@ -29,6 +30,31 @@ class FFMeta(commands.Cog):
         img_dst.seek(0)
         return img_dst
 
+    async def _run_ffprobe(self, uri: str | pathlib.Path, as_json: bool = False) -> dict | str:
+        """
+        Runs ffprobe on the given target (either file path or URL) and returns the result
+        :param uri: the URI to run ffprobe on
+        :return: The result
+        """
+        _bin = "ffprobe"
+        cmd = ["-hide_banner", "-v", "quiet", "-print_format", "json", "-show_streams", "-show_format", "-i", str(uri)]
+        if not as_json:
+            cmd = ["-hide_banner", "-i", str(uri)]
+        process = await asyncio.create_subprocess_exec(
+            "ffprobe",
+            "-v", "quiet",
+            "-print_format", "json" if as_json else "default",
+            "-show_format",
+            "-i",
+            str(uri),
+            stdout=asyncio.subprocess.PIPE,
+            stderr=asyncio.subprocess.PIPE,
+        )
+        stdout, stderr = await process.communicate()
+        if as_json:
+            return json.loads(stdout.decode())
+        return stdout.decode(errors="replace")
+
     @commands.slash_command()
     async def ffprobe(self, ctx: discord.ApplicationContext, url: str = None, attachment: discord.Attachment = None):
         """Runs ffprobe on a given URL or attachment"""
@@ -39,27 +65,12 @@ class FFMeta(commands.Cog):
 
         await ctx.defer()
 
-        process = await asyncio.create_subprocess_exec(
-            "ffprobe",
-            "-hide_banner",
-            url,
-            stdout=asyncio.subprocess.PIPE,
-            stderr=asyncio.subprocess.PIPE,
-        )
-        stdout, stderr = await process.communicate()
-        stdout = stdout.decode("utf-8", "replace")
-        stderr = stderr.decode("utf-8", "replace")
+        stdout = await self._run_ffprobe(url)
 
-        paginator = commands.Paginator(prefix="```", suffix="```")
+        paginator = commands.Paginator()
         for line in stdout.splitlines():
-            if stderr:
-                paginator.add_line(f"[OUT] {line}"[:2000])
-            else:
             paginator.add_line(line[:2000])
 
-        for line in stderr.splitlines():
-            paginator.add_line(f"[ERR] {line}"[:2000])
-
         for page in paginator.pages:
             await ctx.respond(page)
 
@@ -195,7 +206,7 @@ class FFMeta(commands.Cog):
             process = await asyncio.create_subprocess_exec(
                 "ffmpeg",
                 "-hide_banner",
-                "-loglevel",
+                "-v",
                 "warning",
                 "-stats",
                 "-i",