[utils] Create DownloadCancelled exception

as super-class of ExistingVideoReached, RejectedVideoReached, MaxDownloadsReached

Third parties can also sub-class this to cancel the download queue from a hook
This commit is contained in:
pukkandan 2021-10-26 20:15:12 +05:30
parent abad800058
commit 48f796874d
No known key found for this signature in database
GPG key ID: 0F00D95A001F4698
2 changed files with 24 additions and 19 deletions

View file

@ -56,6 +56,7 @@
DEFAULT_OUTTMPL,
determine_ext,
determine_protocol,
DownloadCancelled,
DownloadError,
encode_compat_str,
encodeFilename,
@ -1320,7 +1321,7 @@ def wrapper(self, *args, **kwargs):
self.to_stderr('\r')
self.report_warning('The download speed is below throttle limit. Re-extracting data')
return wrapper(self, *args, **kwargs)
except (MaxDownloadsReached, ExistingVideoReached, RejectedVideoReached, LazyList.IndexError):
except (DownloadCancelled, LazyList.IndexError):
raise
except Exception as e:
if self.params.get('ignoreerrors'):
@ -2949,14 +2950,8 @@ def download(self, url_list):
url, force_generic_extractor=self.params.get('force_generic_extractor', False))
except UnavailableVideoError:
self.report_error('unable to download video')
except MaxDownloadsReached:
self.to_screen('[info] Maximum number of downloads reached')
raise
except ExistingVideoReached:
self.to_screen('[info] Encountered a video that is already in the archive, stopping due to --break-on-existing')
raise
except RejectedVideoReached:
self.to_screen('[info] Encountered a video that did not match filter, stopping due to --break-on-reject')
except DownloadCancelled as e:
self.to_screen(f'[info] {e.msg}')
raise
else:
if self.params.get('dump_single_json', False):

View file

@ -2542,14 +2542,29 @@ def __init__(self, msg):
self.msg = msg
class ExistingVideoReached(YoutubeDLError):
""" --max-downloads limit has been reached. """
pass
class DownloadCancelled(YoutubeDLError):
""" Exception raised when the download queue should be interrupted """
msg = 'The download was cancelled'
def __init__(self, msg=None):
if msg is not None:
self.msg = msg
YoutubeDLError.__init__(self, self.msg)
class RejectedVideoReached(YoutubeDLError):
class ExistingVideoReached(DownloadCancelled):
""" --break-on-existing triggered """
msg = 'Encountered a video that is already in the archive, stopping due to --break-on-existing'
class RejectedVideoReached(DownloadCancelled):
""" --break-on-reject triggered """
msg = 'Encountered a video that did not match filter, stopping due to --break-on-reject'
class MaxDownloadsReached(DownloadCancelled):
""" --max-downloads limit has been reached. """
pass
msg = 'Maximum number of downloads reached, stopping due to --max-downloads'
class ThrottledDownload(YoutubeDLError):
@ -2557,11 +2572,6 @@ class ThrottledDownload(YoutubeDLError):
pass
class MaxDownloadsReached(YoutubeDLError):
""" --max-downloads limit has been reached. """
pass
class UnavailableVideoError(YoutubeDLError):
"""Unavailable Format exception.