diff options
Diffstat (limited to 'tensorflow/python/autograph/pyct/parser.py')
| -rw-r--r-- | tensorflow/python/autograph/pyct/parser.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tensorflow/python/autograph/pyct/parser.py b/tensorflow/python/autograph/pyct/parser.py index 112ed46a1e..63686350d5 100644 --- a/tensorflow/python/autograph/pyct/parser.py +++ b/tensorflow/python/autograph/pyct/parser.py @@ -31,8 +31,21 @@ from tensorflow.python.util import tf_inspect def parse_entity(entity): """Returns the AST of given entity.""" source = tf_inspect.getsource(entity) + # Comments and multiline strings can appear at arbitrary indentation levels, + # causing textwrap.dedent to not correctly dedent source code. + # TODO(b/115884650): Automatic handling of comments/multiline strings. source = textwrap.dedent(source) - return parse_str(source), source + try: + return parse_str(source), source + except IndentationError: + # Because we are parsing the source code of entities that have already + # successfully parsed once, any IndentationErrors are guaranteed to be + # caused by insufficient dedenting. + raise ValueError( + 'Failed to dedent prior to parsing source code. If you have comments ' + 'or multiline strings in your code, try indenting them. ' + 'Multiline strings can be rewritten using textwrap.dedent.\n' + 'Offending source code: \n %s' % source) def parse_str(src): |