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| author | Erik Johnston <erik@matrix.org> | 2018-10-17 16:09:34 +0100 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2018-10-17 16:10:52 +0100 |
| commit | f6a0a02a62db1a3030e5563d6454d01c4a76c38d (patch) | |
| tree | 040535bcba924ef626776a2b47b12755ddd54819 /synapse/rest/media/v1/preview_url_resource.py | |
| parent | Fix roomlist since tokens on Python 3 (#4046) (diff) | |
| download | synapse-f6a0a02a62db1a3030e5563d6454d01c4a76c38d.tar.xz | |
Fix bug where we raised StopIteration in a generator
This made python 3.7 unhappy
Diffstat (limited to 'synapse/rest/media/v1/preview_url_resource.py')
| -rw-r--r-- | synapse/rest/media/v1/preview_url_resource.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index af01040a38..8c892ff187 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -596,10 +596,13 @@ def _iterate_over_text(tree, *tags_to_ignore): # to be returned. elements = iter([tree]) while True: - el = next(elements) + el = next(elements, None) + if el is None: + return + if isinstance(el, string_types): yield el - elif el is not None and el.tag not in tags_to_ignore: + elif el.tag not in tags_to_ignore: # el.text is the text before the first child, so we can immediately # return it if the text exists. if el.text: |