Method _g_post_init_hook

tables/table.py:886–958

(self)

        )

    def _g_post_init_hook(self) -> None:
        # We are putting here the index-related issues
        # as well as filling general info for table
        # This is needed because we need first the index objects created

        # First, get back the flavor of input data (if any) for
        # `Leaf._g_post_init_hook()`.
        self._flavor, self._descflavor = self._descflavor, None
        super()._g_post_init_hook()

        # Create a cols accessor.
        self.cols = Cols(self, self.description)

        # Place the `Cols` and `Column` objects into `self.colinstances`.
        colinstances, cols = self.colinstances, self.cols
        for colpathname in self.description._v_pathnames:
            colinstances[colpathname] = cols._g_col(colpathname)

        if self._v_new:
            # Columns are never indexed on creation.
            self.colindexed = dict.fromkeys(self.colpathnames, False)
            return

        # The following code is only for opened tables.

        # Do the indexes group exist?
        indexesgrouppath = _index_pathname_of(self)
        igroup = indexesgrouppath in self._v_file
        oldindexes = False
        for colobj in self.description._f_walk(type="Col"):
            colname = colobj._v_pathname
            # Is this column indexed?
            if igroup:
                indexname = _index_pathname_of_column(self, colname)
                indexed = indexname in self._v_file
                self.colindexed[colname] = indexed
                if indexed:
                    column = self.cols._g_col(colname)
                    indexobj = column.index
                    if isinstance(indexobj, OldIndex):
                        indexed = False  # Not a vaild index
                        oldindexes = True
                        self._listoldindexes.append(colname)
                    else:
                        # Tell the condition cache about columns with dirty
                        # indexes.
                        if indexobj.dirty:
                            self._condition_cache.nail()
            else:
                indexed = False
                self.colindexed[colname] = False
            if indexed:
                self.indexed = True

        if oldindexes:  # this should only appear under 2.x Pro
            warnings.warn(
                "table ``%s`` has column indexes with PyTables 1.x format. "
                "Unfortunately, this format is not supported in "