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Viewing changes to bzrlib/export/dir_exporter.py

  • Committer: John Arbash Meinel
  • Date: 2010-02-17 17:11:16 UTC
  • mfrom: (4797.2.17 2.1)
  • mto: (4797.2.18 2.1)
  • mto: This revision was merged to the branch mainline in revision 5055.
  • Revision ID: john@arbash-meinel.com-20100217171116-h7t9223ystbnx5h8
merge bzr.2.1 in preparation for NEWS entry.

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bzrlib/export/dir_exporter.py
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# Copyright (C) 2005 Canonical Ltd
 
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# Copyright (C) 2005, 2006, 2008, 2009, 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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                raise errors.BzrError("Can't export tree to non-empty directory.")
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        else:
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            raise
 
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    # Iterate everything, building up the files we will want to export, and
 
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    # creating the directories and symlinks that we need.
 
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    # This tracks (file_id, (destination_path, executable))
 
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    # This matches the api that tree.iter_files_bytes() wants
 
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    # Note in the case of revision trees, this does trigger a double inventory
 
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    # lookup, hopefully it isn't too expensive.
 
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    to_fetch = []
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    for dp, ie in _export_iter_entries(tree, subdir):
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        fullpath = osutils.pathjoin(dest, dp)
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        if ie.kind == "file":
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            if filtered:
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                chunks = tree.get_file_lines(ie.file_id)
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                filters = tree._content_filter_stack(dp)
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                context = ContentFilterContext(dp, tree, ie)
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                contents = filtered_output_bytes(chunks, filters, context)
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                content = ''.join(contents)
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                fileobj = StringIO.StringIO(content)
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            else:
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                fileobj = tree.get_file(ie.file_id)
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            osutils.pumpfile(fileobj, file(fullpath, 'wb'))
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            if tree.is_executable(ie.file_id):
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                os.chmod(fullpath, 0755)
 
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            to_fetch.append((ie.file_id, (dp, tree.is_executable(ie.file_id))))
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        elif ie.kind == "directory":
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            os.mkdir(fullpath)
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        elif ie.kind == "symlink":
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        else:
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            raise errors.BzrError("don't know how to export {%s} of kind %r" %
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               (ie.file_id, ie.kind))
 
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    # The data returned here can be in any order, but we've already created all
 
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    # the directories
 
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    flags = os.O_CREAT | os.O_TRUNC | os.O_WRONLY | getattr(os, 'O_BINARY', 0)
 
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    for (relpath, executable), chunks in tree.iter_files_bytes(to_fetch):
 
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        if filtered:
 
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            filters = tree._content_filter_stack(relpath)
 
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            context = ContentFilterContext(relpath, tree, ie)
 
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            chunks = filtered_output_bytes(chunks, filters, context)
 
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        fullpath = osutils.pathjoin(dest, relpath)
 
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        # We set the mode and let the umask sort out the file info
 
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        mode = 0666
 
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        if executable:
 
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            mode = 0777
 
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        out = os.fdopen(os.open(fullpath, flags, mode), 'wb')
 
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        try:
 
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            out.writelines(chunks)
 
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        finally:
 
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            out.close()