From 814bba3933ca36a79c68ac737b805cf25c407521 Mon Sep 17 00:00:00 2001 From: pukkandan Date: Tue, 18 Oct 2022 18:33:00 +0530 Subject: [PATCH] [downloader/fragment] HLS download can continue without first fragment Closes #5274 --- yt_dlp/downloader/dash.py | 2 +- yt_dlp/downloader/f4m.py | 4 +-- yt_dlp/downloader/fragment.py | 49 +++++++++++++------------- yt_dlp/downloader/ism.py | 3 +- yt_dlp/downloader/mhtml.py | 3 +- yt_dlp/downloader/youtube_live_chat.py | 3 +- 6 files changed, 30 insertions(+), 34 deletions(-) diff --git a/yt_dlp/downloader/dash.py b/yt_dlp/downloader/dash.py index a6da26f09..8723e1068 100644 --- a/yt_dlp/downloader/dash.py +++ b/yt_dlp/downloader/dash.py @@ -51,7 +51,7 @@ class DashSegmentsFD(FragmentFD): args.append([ctx, fragments_to_download, fmt]) - return self.download_and_append_fragments_multiple(*args) + return self.download_and_append_fragments_multiple(*args, is_fatal=lambda idx: idx == 0) def _resolve_fragments(self, fragments, ctx): fragments = fragments(ctx) if callable(fragments) else fragments diff --git a/yt_dlp/downloader/f4m.py b/yt_dlp/downloader/f4m.py index a19ab43f1..306f92192 100644 --- a/yt_dlp/downloader/f4m.py +++ b/yt_dlp/downloader/f4m.py @@ -424,6 +424,4 @@ class F4mFD(FragmentFD): msg = 'Missed %d fragments' % (fragments_list[0][1] - (frag_i + 1)) self.report_warning(msg) - self._finish_frag_download(ctx, info_dict) - - return True + return self._finish_frag_download(ctx, info_dict) diff --git a/yt_dlp/downloader/fragment.py b/yt_dlp/downloader/fragment.py index a5d70d0d4..83f7870ed 100644 --- a/yt_dlp/downloader/fragment.py +++ b/yt_dlp/downloader/fragment.py @@ -295,16 +295,23 @@ class FragmentFD(FileDownloader): self.try_remove(ytdl_filename) elapsed = time.time() - ctx['started'] - if ctx['tmpfilename'] == '-': - downloaded_bytes = ctx['complete_frags_downloaded_bytes'] + to_file = ctx['tmpfilename'] != '-' + if to_file: + downloaded_bytes = os.path.getsize(encodeFilename(ctx['tmpfilename'])) else: + downloaded_bytes = ctx['complete_frags_downloaded_bytes'] + + if not downloaded_bytes: + if to_file: + self.try_remove(ctx['tmpfilename']) + self.report_error('The downloaded file is empty') + return False + elif to_file: self.try_rename(ctx['tmpfilename'], ctx['filename']) - if self.params.get('updatetime', True): - filetime = ctx.get('fragment_filetime') - if filetime: - with contextlib.suppress(Exception): - os.utime(ctx['filename'], (time.time(), filetime)) - downloaded_bytes = os.path.getsize(encodeFilename(ctx['filename'])) + filetime = ctx.get('fragment_filetime') + if self.params.get('updatetime', True) and filetime: + with contextlib.suppress(Exception): + os.utime(ctx['filename'], (time.time(), filetime)) self._hook_progress({ 'downloaded_bytes': downloaded_bytes, @@ -316,6 +323,7 @@ class FragmentFD(FileDownloader): 'max_progress': ctx.get('max_progress'), 'progress_idx': ctx.get('progress_idx'), }, info_dict) + return True def _prepare_external_frag_download(self, ctx): if 'live' not in ctx: @@ -362,7 +370,7 @@ class FragmentFD(FileDownloader): return decrypt_fragment - def download_and_append_fragments_multiple(self, *args, pack_func=None, finish_func=None): + def download_and_append_fragments_multiple(self, *args, **kwargs): ''' @params (ctx1, fragments1, info_dict1), (ctx2, fragments2, info_dict2), ... all args must be either tuple or list @@ -370,7 +378,7 @@ class FragmentFD(FileDownloader): interrupt_trigger = [True] max_progress = len(args) if max_progress == 1: - return self.download_and_append_fragments(*args[0], pack_func=pack_func, finish_func=finish_func) + return self.download_and_append_fragments(*args[0], **kwargs) max_workers = self.params.get('concurrent_fragment_downloads', 1) if max_progress > 1: self._prepare_multiline_status(max_progress) @@ -380,8 +388,7 @@ class FragmentFD(FileDownloader): ctx['max_progress'] = max_progress ctx['progress_idx'] = idx return self.download_and_append_fragments( - ctx, fragments, info_dict, pack_func=pack_func, finish_func=finish_func, - tpe=tpe, interrupt_trigger=interrupt_trigger) + ctx, fragments, info_dict, **kwargs, tpe=tpe, interrupt_trigger=interrupt_trigger) class FTPE(concurrent.futures.ThreadPoolExecutor): # has to stop this or it's going to wait on the worker thread itself @@ -428,17 +435,12 @@ class FragmentFD(FileDownloader): return result def download_and_append_fragments( - self, ctx, fragments, info_dict, *, pack_func=None, finish_func=None, - tpe=None, interrupt_trigger=None): - if not interrupt_trigger: - interrupt_trigger = (True, ) + self, ctx, fragments, info_dict, *, is_fatal=(lambda idx: False), + pack_func=(lambda content, idx: content), finish_func=None, + tpe=None, interrupt_trigger=(True, )): - is_fatal = ( - ((lambda _: False) if info_dict.get('is_live') else (lambda idx: idx == 0)) - if self.params.get('skip_unavailable_fragments', True) else (lambda _: True)) - - if not pack_func: - pack_func = lambda frag_content, _: frag_content + if not self.params.get('skip_unavailable_fragments', True): + is_fatal = lambda _: True def download_fragment(fragment, ctx): if not interrupt_trigger[0]: @@ -527,5 +529,4 @@ class FragmentFD(FileDownloader): if finish_func is not None: ctx['dest_stream'].write(finish_func()) ctx['dest_stream'].flush() - self._finish_frag_download(ctx, info_dict) - return True + return self._finish_frag_download(ctx, info_dict) diff --git a/yt_dlp/downloader/ism.py b/yt_dlp/downloader/ism.py index c961dc62e..a157a8ad9 100644 --- a/yt_dlp/downloader/ism.py +++ b/yt_dlp/downloader/ism.py @@ -280,5 +280,4 @@ class IsmFD(FragmentFD): return False self.report_skip_fragment(frag_index) - self._finish_frag_download(ctx, info_dict) - return True + return self._finish_frag_download(ctx, info_dict) diff --git a/yt_dlp/downloader/mhtml.py b/yt_dlp/downloader/mhtml.py index ed076e09e..d977dcec3 100644 --- a/yt_dlp/downloader/mhtml.py +++ b/yt_dlp/downloader/mhtml.py @@ -186,5 +186,4 @@ body > figure > img { ctx['dest_stream'].write( b'--%b--\r\n\r\n' % frag_boundary.encode('us-ascii')) - self._finish_frag_download(ctx, info_dict) - return True + return self._finish_frag_download(ctx, info_dict) diff --git a/yt_dlp/downloader/youtube_live_chat.py b/yt_dlp/downloader/youtube_live_chat.py index 1bc3209dc..5928fecf0 100644 --- a/yt_dlp/downloader/youtube_live_chat.py +++ b/yt_dlp/downloader/youtube_live_chat.py @@ -191,8 +191,7 @@ class YoutubeLiveChatFD(FragmentFD): if test: break - self._finish_frag_download(ctx, info_dict) - return True + return self._finish_frag_download(ctx, info_dict) @staticmethod def parse_live_timestamp(action):