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  • Committer: John Arbash Meinel
  • Date: 2005-07-11 22:24:03 UTC
  • mto: (1185.11.1)
  • mto: This revision was merged to the branch mainline in revision 1396.
  • Revision ID: john@arbash-meinel.com-20050711222403-5dc86e254b69f7ab
Remote functionality work.
Added lock_read/write() to Transport.
Turns out that both urllib2 and urlgrabber don't let you
seek on files that are returned, and GzipFile wants to
seek on the file when it is read. So instead,
we check, and wrap in a StringIO when required.

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bzrlib/http_transport.py
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        """
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        if isinstance(relpath, basestring):
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            relpath = [relpath]
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        return '/'.join(self.base, *relpath)
 
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        return '/'.join([self.base] + relpath)
 
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    def relpath(self, abspath):
 
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        if not abspath.startswith(self.base):
 
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            raise BzrError('path %r is not under base URL %r'
 
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                           % (abspath, self.base))
 
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        pl = len(self.base)
 
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        return abspath[pl:].lstrip('/')
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    def has(self, relpath):
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        try:
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        """
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        if decode:
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            import codecs
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            return codecs.get_reader('utf-8')(get_url(self.abspath(relpath)))
 
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            return codecs.getreader('utf-8')(get_url(self.abspath(relpath)))
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        else:
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            return get_url(self.abspath(relpath))
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        """
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        raise TransportNotPossibleError('http does not support stat()')
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    def lock_read(self, relpath):
 
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        """Lock the given file for shared (read) access.
 
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        :return: A lock object, which should be passed to Transport.unlock()
 
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        """
 
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        # The old RemoteBranch ignore lock for reading, so we will
 
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        # continue that tradition and return a bogus lock object.
 
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        class BogusLock(object):
 
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            def __init__(self, path):
 
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                self.path = path
 
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            def unlock(self):
 
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                pass
 
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        return BogusLock(relpath)
 
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    def lock_write(self, relpath):
 
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        """Lock the given file for exclusive (write) access.
 
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        WARNING: many transports do not support this, so trying avoid using it
 
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        :return: A lock object, which should be passed to Transport.unlock()
 
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        """
 
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        raise TransportNotPossibleError('http does not support lock_write()')
 
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# If nothing else matches, try the LocalTransport
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protocol_handlers['http://'] = HttpTransport
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protocol_handlers['https://'] = HttpTransport