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Added the ability to download recursively into a directory. #27

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Added the ability to download recursively into a directory. #27

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29 changes: 21 additions & 8 deletions s3-mp-download.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,13 +98,6 @@ def main(src, dest, num_processes=2, split=32, force=False, verbose=False, quiet
filename = split_rs.path.split('/')[-1]
dest = os.path.join(dest, filename)

if os.path.exists(dest):
if force:
os.remove(dest)
else:
raise ValueError("Destination file '%s' exists, specify -f to"
" overwrite" % dest)

# Split out the bucket and the key
s3 = boto.connect_s3()
s3 = boto.connect_s3(calling_format=OrdinaryCallingFormat())
Expand All @@ -115,7 +108,27 @@ def main(src, dest, num_processes=2, split=32, force=False, verbose=False, quiet
raise ValueError("'%s' is not a valid bucket" % split_rs.netloc)
key = bucket.get_key(split_rs.path)
if key is None:
raise ValueError("'%s' does not exist." % split_rs.path)
lst = bucket.list(prefix=split_rs.path[1:])

for it in lst:
dirname = os.path.dirname(it.name)
destdir = os.path.normpath(dest + '/' + dirname)
logging.debug("DESTDIR: " + destdir)
destfile = os.path.normpath(dest + '/' + it.name)
logging.debug("DESTFILE: " + destfile)
if not os.path.isdir(destdir):
os.makedirs(destdir)
do_download(s3, bucket, it, destfile, split, num_processes, secure, max_tries, force)
else:
do_download(s3, bucket, key, dest, split, num_processes, secure, max_tries, force)

def do_download(s3, bucket, key, dest, split, num_processes, secure, max_tries, force):
if os.path.exists(dest):
if force:
os.remove(dest)
else:
raise ValueError("Destination file '%s' exists, specify -f to"
" overwrite" % dest)

# Determine the total size and calculate byte ranges
resp = s3.make_request("HEAD", bucket=bucket, key=key)
Expand Down