server: remove need_cloud_scraper

Most servers don't need cloudscraper for everything. The ones that
"depend" on it need it for searching but can generally stream and or
play already known medium. So now it has been made more of an optional
dependency that will only be imported when needed.

Also give a little more detail about what module failed to be imported
when a server fails to be instantiated

README.md

@@ -108,7 +108,7 @@ Optional dependency breakdown
 * beautifulsoup4:      required to download images for JNovelClub (only for light novel parts)
 * beautifulsoup4:      required to enable DB multiverse, FreeWebNovel, Funimation, Nyaa, RemoteServer and Webtoons
 * beautifulsoup4 :     required to search for Crunchyroll (manga)
-* cloudscraper:        required to enable MangaSee and HumbleBundle
+* cloudscraper:        required to enable searching/updating on MangaSee and HumbleBundle
 * cloudscraper:        potentially required to access all features of Crunchyroll (manga and anime)
 * m3u8 & pycryptodome: required just download media for Crunchyroll and HiDive (enables more formats for Funimation)
 

amt/media_reader.py

@@ -55,8 +55,8 @@ def __init__(self, state=None, server_list=SERVERS, tracker_list=TRACKERS):
                         if self.settings.is_server_enabled(instance.id, instance.alias, instance.official):
                             assert instance.id not in instance_map, f"Duplicate server id: {instance.id}"
                             instance_map[instance.id] = instance
-                except ImportError:
-                    logging.debug("Could not instantiate %s", cls)
+                except ImportError as e:
+                    logging.debug("Could not instantiate %s %s", cls, e)
 
         self.session.headers.update({
             "Connection": "keep-alive",

amt/server.py

@@ -33,7 +33,6 @@ class RequestServer:
     settings = None
 
     # If true a cloudscraper object should be given instead of a normal session
-    need_cloud_scraper = False
     maybe_need_cloud_scraper = False
     _normal_session = None  # the normal session in case a wrapper is used
     domain = None
@@ -42,7 +41,7 @@ class RequestServer:
     def __init__(self, session, settings=None):
         self.settings = settings
         self._normal_session = session
-        if self.settings.get_always_use_cloudscraper(self.id) or self.need_cloud_scraper:
+        if self.settings.get_always_use_cloudscraper(self.id):
             self.session = self.get_cloudscraper_session(session)
         else:
             self.session = session
@@ -101,7 +100,7 @@ def _request(self, post_request, url, force_cloud_scraper=False, start=0, need_a
             except SSLError:
                 if self.settings.get_fallback_to_insecure_connection(self.id) and kwargs.get("verify", True):
                     self.logger.warning("Retry request insecurely %s", url)
-                    if self.settings.get_always_use_cloudscraper(self.id) or self.need_cloud_scraper:   # pragma: no cover
+                    if self.settings.get_always_use_cloudscraper(self.id) or force_cloud_scraper:   # pragma: no cover
                         self.logger.warning("Using insecure connections and cloudscraper are not supported and may result in an error like 'ValueError: Cannot set verify_mode to CERT_NONE when check_hostname is enabled.'")
                     kwargs["verify"] = False
                     return self._request(post_request, url, **kwargs)
@@ -113,7 +112,10 @@ def _request(self, post_request, url, force_cloud_scraper=False, start=0, need_a
                 continue
         if self.maybe_need_cloud_scraper and not force_cloud_scraper and r.status_code in (403, 503):
             if session == self._normal_session:
-                return self._request(post_request, url, force_cloud_scraper=True, **kwargs)
+                try:
+                    return self._request(post_request, url, force_cloud_scraper=True, **kwargs)
+                except ImportError:
+                    pass
         r.raise_for_status()
         end = time.time()
 

amt/servers/crunchyroll.py

@@ -181,7 +181,7 @@ def save_chapter_page(self, page_data, path):
 class CrunchyrollAnime(GenericCrunchyrollServer):
     id = "crunchyroll_anime"
     media_type = MediaType.ANIME
-    need_cloud_scraper = True
+    maybe_need_cloud_scraper = True
 
     stream_url_regex = re.compile(r"crunchyroll.\w+/watch/(\w*)/.+")
     add_series_url_regex = re.compile(r"crunchyroll.\w+/series/(\w*)")

amt/servers/humblebundle.py

@@ -17,7 +17,7 @@ class HumbleBundle(Server):
     official = True
     has_free_chapters = False
     is_premium = True
-    need_cloud_scraper = True
+    maybe_need_cloud_scraper = True
 
     domain = "humblebundle.com"
     base_url = "https://www.humblebundle.com/home/library"

amt/servers/mangasee.py

@@ -8,7 +8,7 @@
 class Mangasee(Server):
     id = "mangasee"
     official = False
-    need_cloud_scraper = True
+    maybe_need_cloud_scraper = True
 
     domain = "mangasee123.com"
     base_url = f"https://{domain}"