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  • Committer: Martin Pool
  • Date: 2005-06-13 12:14:52 UTC
  • Revision ID: mbp@sourcefrog.net-20050613121452-c50982a6affa3782
- draft 'meta' command by john

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bzrlib/revision.py
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#! /usr/bin/env python
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# -*- coding: UTF-8 -*-
 
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# (C) 2005 Canonical
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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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except ImportError:
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    from elementtree.ElementTree import Element, ElementTree, SubElement
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from errors import BzrError
 
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class Revision(XMLMixin):
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    """Single revision on a branch.
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    written out.  This is not stored because you cannot write the hash
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    into the file it describes.
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    :todo: Perhaps make predecessor be a child element, not an attribute?
 
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    TODO: Perhaps make predecessor be a child element, not an attribute?
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    """
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    def __init__(self, **args):
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        self.inventory_id = None
 
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        self.inventory_sha1 = None
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        self.revision_id = None
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        self.timestamp = None
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        self.message = None
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        self.timezone = None
 
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        self.committer = None
 
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        self.precursor = None
 
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        self.precursor_sha1 = None
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        self.__dict__.update(args)
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    def __repr__(self):
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        if self.revision_id:
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            return "<Revision id %s>" % self.revision_id
 
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        return "<Revision id %s>" % self.revision_id
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    def to_element(self):
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                       timestamp = '%.9f' % self.timestamp,
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                       revision_id = self.revision_id,
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                       inventory_id = self.inventory_id,
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                       timezone = str(self.timezone))
 
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                       inventory_sha1 = self.inventory_sha1,
 
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                       )
 
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        if self.timezone:
 
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            root.set('timezone', str(self.timezone))
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        if self.precursor:
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            root.set('precursor', self.precursor)
 
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            if self.precursor_sha1:
 
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                root.set('precursor_sha1', self.precursor_sha1)
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        root.text = '\n'
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        msg = SubElement(root, 'message')
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    def from_element(cls, elt):
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        # <changeset> is deprecated...
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        if elt.tag not in ('revision', 'changeset'):
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            bailout("unexpected tag in revision file: %r" % elt)
 
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            raise BzrError("unexpected tag in revision file: %r" % elt)
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        cs = cls(committer = elt.get('committer'),
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                 timestamp = float(elt.get('timestamp')),
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                 precursor = elt.get('precursor'),
 
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                 precursor_sha1 = elt.get('precursor_sha1'),
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                 revision_id = elt.get('revision_id'),
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                 inventory_id = elt.get('inventory_id'))
 
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                 inventory_id = elt.get('inventory_id'),
 
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                 inventory_sha1 = elt.get('inventory_sha1')
 
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                 )
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        v = elt.get('timezone')
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        cs.timezone = v and int(v)