mercurial/revlog.py

43524:a7c0c5b5a50f

indexformatv0_pack = indexformatv0.pack
indexformatv0_unpack = indexformatv0.unpack


class revlogoldindex(list):
    def __getitem__(self, i):
        if i == -1:
            return (0, 0, 0, -1, -1, -1, -1, nullid)
        return list.__getitem__(self, i)

            )
            index.append(e2)
            nodemap[e[6]] = n
            n += 1

        return revlogoldindex(index), nodemap, None

    def packentry(self, entry, node, version, rev):
        if gettype(entry[0]):
            raise error.RevlogError(
                _(b'index entry flags need revlog version 1')

        self.size = indexformatng.size

    def parseindex(self, data, inline):
        # call the C implementation to parse the index data
        index, cache = parsers.parse_index2(data, inline)
        return index, getattr(index, 'nodemap', None), cache

    def packentry(self, entry, node, version, rev):
        p = indexformatng_pack(*entry)
        if rev == 0:
            p = versionformat_pack(version) + p[4:]

        self._chunkcache = (0, b'')
        # How much data to read and cache into the raw revlog data cache.
        self._chunkcachesize = 65536
        self._maxchainlen = None
        self._deltabothparents = True
        self.index = []
        # Mapping of partial identifiers to full nodes.
        self._pcache = {}
        # Mapping of revision integer to full node.
        self._nodecache = revlogutils.NodeMap({nullid: nullrev})
        self._nodepos = None
        self._compengine = b'zlib'
        self._compengineopts = {}
        self._maxdeltachainspan = -1
        self._withsparseread = False

        except (ValueError, IndexError):
            raise error.RevlogError(
                _(b"index %s is corrupted") % self.indexfile
            )
        self.index, nodemap, self._chunkcache = d
        if nodemap is not None:
            self.nodemap = self._nodecache = nodemap
        if not self._chunkcache:
            self._chunkclear()
        # revnum -> (chain-length, sum-delta-length)
        self._chaininfocache = {}
        # revlog header -> revlog compressor

    def clearcaches(self):
        self._revisioncache = None
        self._chainbasecache.clear()
        self._chunkcache = (0, b'')
        self._pcache = {}

        try:
            # If we are using the native C version, you are in a fun case
            # where self.index, self.nodemap and self._nodecaches is the same
            # object.
            self._nodecache.clearcaches()
        except AttributeError:
            self._nodecache = revlogutils.NodeMap({nullid: nullrev})
            self._nodepos = None

    def rev(self, node):
        try:
            return self._nodecache[node]
        except TypeError:
            raise
        except error.RevlogError:
            if not isinstance(self._nodecache, revlogutils.NodeMap):
                # parsers.c radix tree lookup failed
                if node == wdirid or node in wdirfilenodeids:
                    raise error.WdirUnsupported
                raise error.LookupError(node, self.indexfile, _(b'no node'))
            else:
                # pure python cache lookup failed
                n = self._nodecache
                i = self.index
                p = self._nodepos
                if p is None:
                    p = len(i) - 1
                else:
                    assert p < len(i)
                for r in pycompat.xrange(p, -1, -1):
                    v = i[r][7]
                    n[v] = r
                    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, _(b'no node'))

    # Accessors for index entries.

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

43525:845e5b313783

indexformatv0_pack = indexformatv0.pack
indexformatv0_unpack = indexformatv0.unpack


class revlogoldindex(list):
    @util.propertycache
    def nodemap(self):
        nodemap = revlogutils.NodeMap({nullid: nullrev})
        for r in range(0, len(self)):
            n = self[r][7]
            nodemap[n] = r
        return nodemap

    def clearcaches(self):
        self.__dict__.pop('nodemap', None)

    def __getitem__(self, i):
        if i == -1:
            return (0, 0, 0, -1, -1, -1, -1, nullid)
        return list.__getitem__(self, i)

            )
            index.append(e2)
            nodemap[e[6]] = n
            n += 1

        index = revlogoldindex(index)
        return index, index.nodemap, None

    def packentry(self, entry, node, version, rev):
        if gettype(entry[0]):
            raise error.RevlogError(
                _(b'index entry flags need revlog version 1')

        self.size = indexformatng.size

    def parseindex(self, data, inline):
        # call the C implementation to parse the index data
        index, cache = parsers.parse_index2(data, inline)
        return index, index.nodemap, cache

    def packentry(self, entry, node, version, rev):
        p = indexformatng_pack(*entry)
        if rev == 0:
            p = versionformat_pack(version) + p[4:]

        self._chunkcache = (0, b'')
        # How much data to read and cache into the raw revlog data cache.
        self._chunkcachesize = 65536
        self._maxchainlen = None
        self._deltabothparents = True
        self.index = None
        # Mapping of partial identifiers to full nodes.
        self._pcache = {}
        # Mapping of revision integer to full node.
        self._nodecache = None
        self._nodepos = None
        self._compengine = b'zlib'
        self._compengineopts = {}
        self._maxdeltachainspan = -1
        self._withsparseread = False

        except (ValueError, IndexError):
            raise error.RevlogError(
                _(b"index %s is corrupted") % self.indexfile
            )
        self.index, nodemap, self._chunkcache = d
        self.nodemap = self._nodecache = nodemap
        if not self._chunkcache:
            self._chunkclear()
        # revnum -> (chain-length, sum-delta-length)
        self._chaininfocache = {}
        # revlog header -> revlog compressor

    def clearcaches(self):
        self._revisioncache = None
        self._chainbasecache.clear()
        self._chunkcache = (0, b'')
        self._pcache = {}
        self.index.clearcaches()

    def rev(self, node):
        try:
            return self._nodecache[node]
        except TypeError:
            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, _(b'no node'))

    # Accessors for index entries.

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