Properly convert errors to strings

youtube_dl/extractor/common.py

@@ -30,11 +30,11 @@ from ..utils import (
     clean_html,
     compiled_regex_type,
     determine_ext,
+    error_to_str,
     ExtractorError,
     fix_xml_ampersands,
     float_or_none,
     int_or_none,
-    preferredencoding,
     RegexNotFoundError,
     sanitize_filename,
     sanitized_Request,
@@ -333,12 +333,8 @@ class InfoExtractor(object):
                 return False
             if errnote is None:
                 errnote = 'Unable to download webpage'
-            err_str = str(err)
-            # On python 2 error byte string must be decoded with proper
-            # encoding rather than ascii
-            if sys.version_info[0] < 3:
-                err_str = err_str.decode(preferredencoding())
-            errmsg = '%s: %s' % (errnote, err_str)
+
+            errmsg = '%s: %s' % (errnote, error_to_str(err))
             if fatal:
                 raise ExtractorError(errmsg, sys.exc_info()[2], cause=err)
             else:
@@ -628,7 +624,7 @@ class InfoExtractor(object):
                 else:
                     raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
             except (IOError, netrc.NetrcParseError) as err:
-                self._downloader.report_warning('parsing .netrc: %s' % compat_str(err))
+                self._downloader.report_warning('parsing .netrc: %s' % error_to_str(err))
 
         return (username, password)
 

youtube_dl/extractor/dailymotion.py

@@ -7,10 +7,10 @@ import itertools
 
 from .common import InfoExtractor
 
-from ..compat import compat_str
 from ..utils import (
-    ExtractorError,
     determine_ext,
+    error_to_str,
+    ExtractorError,
     int_or_none,
     parse_iso8601,
     sanitized_Request,
@@ -278,7 +278,7 @@ class DailymotionIE(DailymotionBaseInfoExtractor):
                 'https://api.dailymotion.com/video/%s/subtitles?fields=id,language,url' % video_id,
                 video_id, note=False)
         except ExtractorError as err:
-            self._downloader.report_warning('unable to download video subtitles: %s' % compat_str(err))
+            self._downloader.report_warning('unable to download video subtitles: %s' % error_to_str(err))
             return {}
         info = json.loads(sub_list)
         if (info['total'] > 0):

youtube_dl/extractor/facebook.py

@@ -7,11 +7,11 @@ import socket
 from .common import InfoExtractor
 from ..compat import (
     compat_http_client,
-    compat_str,
     compat_urllib_error,
     compat_urllib_parse_unquote,
 )
 from ..utils import (
+    error_to_str,
     ExtractorError,
     limit_length,
     sanitized_Request,
@@ -116,7 +116,7 @@ class FacebookIE(InfoExtractor):
             if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
                 self._downloader.report_warning('Unable to confirm login, you have to login in your brower and authorize the login.')
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.report_warning('unable to log in: %s' % compat_str(err))
+            self._downloader.report_warning('unable to log in: %s' % error_to_str(err))
             return
 
     def _real_initialize(self):

youtube_dl/extractor/youtube.py

@@ -26,6 +26,7 @@ from ..compat import (
 from ..utils import (
     clean_html,
     encode_dict,
+    error_to_str,
     ExtractorError,
     float_or_none,
     get_element_by_attribute,
@@ -903,7 +904,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'https://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
                 video_id, note=False)
         except ExtractorError as err:
-            self._downloader.report_warning('unable to download video subtitles: %s' % compat_str(err))
+            self._downloader.report_warning('unable to download video subtitles: %s' % error_to_str(err))
             return {}
 
         sub_lang_list = {}