diff options
| -rwxr-xr-x | Doc/tools/toc2bkm.py | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/Doc/tools/toc2bkm.py b/Doc/tools/toc2bkm.py index 636459a..ab669ba 100755 --- a/Doc/tools/toc2bkm.py +++ b/Doc/tools/toc2bkm.py @@ -44,6 +44,20 @@ _transition_map = { INCLUDED_LEVELS = ("chapter", "section", "subsection", "subsubsection") +class BadSectionNesting(Exception): + """Raised for unsupported section level transitions.""" + + def __init__(self, level, newsection, path, lineno): + self.level = level + self.newsection = newsection + self.path = path + self.lineno = lineno + + def __str__(self): + return ("illegal transition from %s to %s at %s (line %s)" + % (self.level, self.newsection, self.path, self.lineno)) + + def parse_toc(fp, bigpart=None): toc = top = [] stack = [toc] @@ -65,7 +79,10 @@ def parse_toc(fp, bigpart=None): if stype not in INCLUDED_LEVELS: # we don't want paragraphs & subparagraphs continue - direction = _transition_map[(level, stype)] + try: + direction = _transition_map[(level, stype)] + except KeyError: + raise BadSectionNesting(level, stype, fp.name, lineno) if direction == OUTER_TO_INNER: toc = toc[-1][-1] stack.insert(0, toc) |