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Viewing changes to bzrlib/smart/medium.py

  • Committer: Andrew Bennetts
  • Date: 2008-06-17 04:32:18 UTC
  • mto: (3489.2.8 make-branch-and-tree-fix)
  • mto: This revision was merged to the branch mainline in revision 3502.
  • Revision ID: andrew.bennetts@canonical.com-20080617043218-gm8jc3cdk0lgjcfv
Change _is_remote_at_least to _is_remote_before.

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Lines of Context:
bzrlib/smart/medium.py
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        self._done_hello = False
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        # Be optimistic: we assume the remote end can accept new remote
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        # requests until we get an error saying otherwise.
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        # _remote_version_is_less_than tracks the bzr version the remote side
 
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        # _remote_version_is_before tracks the bzr version the remote side
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        # can be based on what we've seen so far.
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        self._remote_version_is_less_than = None
 
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        self._remote_version_is_before = None
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    def _is_remote_at_least(self, version_tuple):
 
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    def _is_remote_before(self, version_tuple):
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        """Is it possible the remote side is supports RPCs for a given version?
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        Typical use::
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            needed_version = (1, 2)
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            if not medium._is_remote_at_least(needed_version):
 
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            if medium._is_remote_before(needed_version):
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                fallback_to_pre_1_2_rpc()
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            else:
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                try:
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        :seealso: _remember_remote_is_before
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        """
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        if self._remote_version_is_less_than is None:
 
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        if self._remote_version_is_before is None:
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            # So far, the remote side seems to support everything
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            return True
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        return version_tuple < self._remote_version_is_less_than
 
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            return False
 
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        return version_tuple >= self._remote_version_is_before
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    def _remember_remote_is_before(self, version_tuple):
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        """Tell this medium that the remote side is older the given version.
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        :seealso: _is_remote_at_least
 
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        :seealso: _is_remote_before
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        """
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        if (self._remote_version_is_less_than is not None and
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            version_tuple > self._remote_version_is_less_than):
 
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        if (self._remote_version_is_before is not None and
 
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            version_tuple > self._remote_version_is_before):
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            raise AssertionError, (
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                "_remember_remote_is_before(%r) called, but "
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                "_remember_remote_is_before(%r) was called previously."
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                % (version_tuple, self._remote_version_is_less_than))
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        self._remote_version_is_less_than = version_tuple
 
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                % (version_tuple, self._remote_version_is_before))
 
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        self._remote_version_is_before = version_tuple
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    def protocol_version(self):
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        """Find out if 'hello' smart request works."""