mercurial/revlog.py

39774:4a2466b2a434

# max size of revlog with inline data
_maxinline = 131072
_chunksize = 1048576

LookupError = error.LookupError

# Store flag processors (cf. 'addflagprocessor()' to register)
_flagprocessors = {
    REVIDX_ISCENSORED: None,
}

            raise
        except error.RevlogError:
            # parsers.c radix tree lookup failed
            if node == wdirid or node in wdirfilenodeids:
                raise error.WdirUnsupported
            raise LookupError(node, self.indexfile, _('no node'))
        except KeyError:
            # pure python cache lookup failed
            n = self._nodecache
            i = self.index
            p = self._nodepos

                if v == node:
                    self._nodepos = r - 1
                    return r
            if node == wdirid or node in wdirfilenodeids:
                raise error.WdirUnsupported
            raise LookupError(node, self.indexfile, _('no node'))

    # Accessors for index entries.

    # First tuple entry is 8 bytes. First 6 bytes are offset. Last 2 bytes
    # are flags.

            # odds of a binary node being all hex in ASCII are 1 in 10**25
            try:
                node = id
                self.rev(node) # quick search the index
                return node
            except LookupError:
                pass # may be partial hex id
        try:
            # str(rev)
            rev = int(id)
            if "%d" % rev != id:

            try:
                # a full hex nodeid?
                node = bin(id)
                self.rev(node)
                return node
            except (TypeError, LookupError):
                pass

    def _partialmatch(self, id):
        # we don't care wdirfilenodeids as they should be always full hash
        maybewdir = wdirhex.startswith(id)

            return n
        n = self._partialmatch(id)
        if n:
            return n

        raise LookupError(id, self.indexfile, _('no match found'))

    def shortest(self, node, minlength=1):
        """Find the shortest unambiguous prefix that matches node."""
        def isvalid(prefix):
            try:

                return False
            except error.WdirUnsupported:
                # single 'ff...' match
                return True
            if node is None:
                raise LookupError(node, self.indexfile, _('no node'))
            return True

        def maybewdir(prefix):
            return all(c == 'f' for c in prefix)

            try:
                length = max(self.index.shortest(node), minlength)
                return disambiguate(hexnode, length)
            except error.RevlogError:
                if node != wdirid:
                    raise LookupError(node, self.indexfile, _('no node'))
            except AttributeError:
                # Fall through to pure code
                pass

        if node == wdirid:

                    # this can happen if two branches make the same change
                    continue

                for p in (p1, p2):
                    if p not in self.nodemap:
                        raise LookupError(p, self.indexfile,
                                          _('unknown parent'))

                if deltabase not in self.nodemap:
                    raise LookupError(deltabase, self.indexfile,
                                      _('unknown delta base'))

                baserev = self.rev(deltabase)

                if baserev != nullrev and self.iscensored(baserev):
                    # if base is censored, delta must be full replacement in a

39775:974592474dee

# max size of revlog with inline data
_maxinline = 131072
_chunksize = 1048576

# Store flag processors (cf. 'addflagprocessor()' to register)
_flagprocessors = {
    REVIDX_ISCENSORED: None,
}

            raise
        except error.RevlogError:
            # parsers.c radix tree lookup failed
            if node == wdirid or node in wdirfilenodeids:
                raise error.WdirUnsupported
            raise error.LookupError(node, self.indexfile, _('no node'))
        except KeyError:
            # pure python cache lookup failed
            n = self._nodecache
            i = self.index
            p = self._nodepos

                if v == node:
                    self._nodepos = r - 1
                    return r
            if node == wdirid or node in wdirfilenodeids:
                raise error.WdirUnsupported
            raise error.LookupError(node, self.indexfile, _('no node'))

    # Accessors for index entries.

    # First tuple entry is 8 bytes. First 6 bytes are offset. Last 2 bytes
    # are flags.

            # odds of a binary node being all hex in ASCII are 1 in 10**25
            try:
                node = id
                self.rev(node) # quick search the index
                return node
            except error.LookupError:
                pass # may be partial hex id
        try:
            # str(rev)
            rev = int(id)
            if "%d" % rev != id:

            try:
                # a full hex nodeid?
                node = bin(id)
                self.rev(node)
                return node
            except (TypeError, error.LookupError):
                pass

    def _partialmatch(self, id):
        # we don't care wdirfilenodeids as they should be always full hash
        maybewdir = wdirhex.startswith(id)

            return n
        n = self._partialmatch(id)
        if n:
            return n

        raise error.LookupError(id, self.indexfile, _('no match found'))

    def shortest(self, node, minlength=1):
        """Find the shortest unambiguous prefix that matches node."""
        def isvalid(prefix):
            try:

                return False
            except error.WdirUnsupported:
                # single 'ff...' match
                return True
            if node is None:
                raise error.LookupError(node, self.indexfile, _('no node'))
            return True

        def maybewdir(prefix):
            return all(c == 'f' for c in prefix)

            try:
                length = max(self.index.shortest(node), minlength)
                return disambiguate(hexnode, length)
            except error.RevlogError:
                if node != wdirid:
                    raise error.LookupError(node, self.indexfile, _('no node'))
            except AttributeError:
                # Fall through to pure code
                pass

        if node == wdirid:

                    # this can happen if two branches make the same change
                    continue

                for p in (p1, p2):
                    if p not in self.nodemap:
                        raise error.LookupError(p, self.indexfile,
                                                _('unknown parent'))

                if deltabase not in self.nodemap:
                    raise error.LookupError(deltabase, self.indexfile,
                                            _('unknown delta base'))

                baserev = self.rev(deltabase)

                if baserev != nullrev and self.iscensored(baserev):
                    # if base is censored, delta must be full replacement in a