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Merge pull request #6569 from dumganhar/download-progress 

Updates download-deps.py, invalid content header check
This commit is contained in:
James Chen 2014-05-05 02:07:24 +08:00
parent 417b8e8e5a 6b62a39140
commit aa74717c58
1 changed files with 24 additions and 3 deletions
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27
download-deps.py
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@ -27,19 +27,40 @@ def download_file(url, file_name):
u = urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
print("Downloading: %s, file size: %dK, please wait ... " % (file_name, file_size / 1000))
content_len = meta.getheaders("Content-Length")
is_support_progress = False
file_size = 0
if len(content_len) > 0:
file_size = int(content_len[0])
is_support_progress = True
if is_support_progress:
print("Downloading: %s, file size: %dK, please wait ... " % (file_name, file_size / 1000))
else:
print("Downloading: %s, please wait ... " % (file_name))
file_size_dl = 0
block_sz = 8192
progress_index = 0
progress_icon = ['-', '\\', '|', '-', '/', '*']
while True:
buffer = u.read(block_sz)
if not buffer:
break
file_size_dl += len(buffer)
progress_index += 1
f.write(buffer)
status = r"%10dK [%3.2f%%]" % (file_size_dl / 1000, file_size_dl * 100. / file_size)
status = ""
if is_support_progress:
status = r"%10dK [%3.2f%%]" % (file_size_dl / 1000, file_size_dl * 100. / file_size)
else:
status = ' ' * 30 + progress_icon[progress_index % len(progress_icon)]
status = status + chr(8)*(len(status)+1)
print(status),
f.close()