Allow us to parse Pixelfed URLs

fixes #30

find_posts.py

@@ -478,6 +478,10 @@ def parse_user_url(url):
     if match is not None:
         return match
 
+    match = parse_pixelfed_profile_url(url)
+    if match is not None:
+        return match
+
     log(f"Error parsing Profile URL {url}")
     
     return None
@@ -493,6 +497,11 @@ def parse_url(url, parsed_urls):
         if match is not None:
             parsed_urls[url] = match
 
+    if url not in parsed_urls:
+        match = parse_pixelfed_url(url)
+        if match is not None:
+            parsed_urls[url] = match
+
     if url not in parsed_urls:
         log(f"Error parsing toot URL {url}")
         parsed_urls[url] = None
@@ -540,6 +549,22 @@ def parse_pleroma_profile_url(url):
         return (match.group("server"), match.group("username"))
     return None
 
+def parse_pixelfed_url(url):
+    """parse a Pixelfed URL and return the server and ID"""
+    match = re.match(
+        r"https://(?P<server>.*)/p/(?P<username>.*)/(?P<toot_id>.*)", url
+    )
+    if match is not None:
+        return (match.group("server"), match.group("toot_id"))
+    return None
+
+def parse_pixelfed_profile_url(url):
+    """parse a Pixelfed Profile URL and return the server and username"""
+    match = re.match(r"https://(?P<server>.*)/(?P<username>.*)", url)
+    if match is not None:
+        return (match.group("server"), match.group("username"))
+    return None
+
 
 def get_redirect_url(url):
     """get the URL given URL redirects to"""