feat: Add script to download Talking Postgres podcast

Signed-off-by: Julien Riou <julien@riou.xyz>

dl-talkingpostgres.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+# Download Talking Postgres podcast
+# https://talkingpostgres.com/
+
+import json
+import os
+import feedparser
+import requests
+from time import mktime
+from unidecode import unidecode
+
+from pprint import pprint
+
+
+def convert_title(title):
+    """Replace special characters in a title"""
+    m = {
+        ")": "",
+        "(": "",
+        "_": "-",
+        "&": "",
+        " ": "-",
+        "'": "",
+        "/": "",
+        ":": "",
+        "--": "-",
+    }
+    for i in m:
+        title = title.replace(i, m[i])
+    title = unidecode(title)
+    return title.lower()
+
+
+def download(url, filename, timestamp):
+    print(f"Downloading {url} to {filename}")
+    with requests.get(url, stream=True) as r:
+        r.raise_for_status()
+        with open(filename, "wb") as f:
+            for chunk in r.iter_content(chunk_size=8192):
+                f.write(chunk)
+    os.utime(filename, (timestamp, timestamp))
+
+
+def main():
+    feed = feedparser.parse("https://feeds.transistor.fm/talkingpostgres")
+
+    for entry in feed["entries"]:
+        title = convert_title(entry["title"])
+        timestamp = entry["published_parsed"]
+        date = f"{timestamp.tm_year:04}-{timestamp.tm_mon:02}-{timestamp.tm_mday:02}"
+        url = None
+
+        for link in entry["links"]:
+            if link["type"] == "audio/mpeg":
+                url = link["href"]
+
+        if not url:
+            print("Could not find url")
+            pprint(entry)
+            continue
+
+        filename = f"{date}-{title}.mp3"
+        if not os.path.isfile(filename):
+            try:
+                download(url, filename, mktime(timestamp))
+            except KeyboardInterrupt:
+                if os.path.isfile(filename):
+                    os.unlink(filename)
+                break
+
+
+if __name__ == "__main__":
+    main()