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[downloader/dash] Add testing facility

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Yen Chi Hsuan 2015-06-10 14:45:54 +08:00
parent 93dfcb9357
commit 5bf3276e8d
1 changed files with 16 additions and 2 deletions
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18
youtube_dl/downloader/dash.py
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@ -16,12 +16,21 @@ def real_download(self, filename, info_dict):
base_url = info_dict['url'] base_url = info_dict['url']
segment_urls = info_dict['segment_urls'] segment_urls = info_dict['segment_urls']
is_test = self.params.get('test', False)
remaining_bytes = self._TEST_FILE_SIZE if is_test else None
byte_counter = 0 byte_counter = 0
def append_url_to_file(outf, target_url, target_name): def append_url_to_file(outf, target_url, target_name, remaining_bytes=None):
self.to_screen('[DashSegments] %s: Downloading %s' % (info_dict['id'], target_name)) self.to_screen('[DashSegments] %s: Downloading %s' % (info_dict['id'], target_name))
req = compat_urllib_request.Request(target_url) req = compat_urllib_request.Request(target_url)
if remaining_bytes is not None:
req.add_header('Range', 'bytes=0-%d' % (remaining_bytes - 1))
data = self.ydl.urlopen(req).read() data = self.ydl.urlopen(req).read()
if remaining_bytes is not None:
data = data[:remaining_bytes]
outf.write(data) outf.write(data)
return len(data) return len(data)
@ -37,8 +46,13 @@ def combine_url(base_url, target_url):
for i, segment_url in enumerate(segment_urls): for i, segment_url in enumerate(segment_urls):
segment_len = append_url_to_file( segment_len = append_url_to_file(
outf, combine_url(base_url, segment_url), outf, combine_url(base_url, segment_url),
'segment %d / %d' % (i + 1, len(segment_urls))) 'segment %d / %d' % (i + 1, len(segment_urls)),
remaining_bytes)
byte_counter += segment_len byte_counter += segment_len
if remaining_bytes is not None:
remaining_bytes -= segment_len
if remaining_bytes <= 0:
break
self.try_rename(tmpfilename, filename) self.try_rename(tmpfilename, filename)