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Viewing changes to patch.py

  • Committer: Aaron Bentley
  • Date: 2005-10-28 04:16:32 UTC
  • Revision ID: aaron.bentley@utoronto.ca-20051028041632-274e8630cef9a1e9
Got patch working with urls

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patch.py
 
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import sys
 
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from subprocess import Popen, PIPE
 
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from bzrlib.transport import get_transport
 
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from urlparse import urlsplit, urlunsplit
 
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def patch(branch, location, strip):
 
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    """Apply a patch to a branch, using patch(1).  URLs may be used."""
 
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    my_file = None
 
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    if location is None:
 
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        my_file = sys.stdin
 
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    else:
 
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        for prefix in ('http://', 'sftp://', 'file://'):
 
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            if not location.startswith(prefix):
 
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                continue
 
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            (scheme, loc, path, query, fragment) = urlsplit(location)
 
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            loc_start = urlunsplit((scheme, loc, '/', '', ''))
 
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            my_file = get_transport(loc_start).get(path[1:])
 
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        if my_file is None:
 
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            my_file = file(location, 'rb')
 
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    cmd = ['patch', '--directory', branch.base, '--strip', str(strip)]
 
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    child_proc = Popen(cmd, stdin=PIPE)
 
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    for line in my_file:
 
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        child_proc.stdin.write(line)
 
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    child_proc.stdin.close()
 
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    return child_proc.wait()