diff options
Diffstat (limited to 'django/utils/text.py')
| -rw-r--r-- | django/utils/text.py | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/django/utils/text.py b/django/utils/text.py index dcfe3fba0e..3c7dfd1a91 100644 --- a/django/utils/text.py +++ b/django/utils/text.py @@ -65,8 +65,14 @@ def wrap(text, width): class Truncator(SimpleLazyObject): """ An object used to truncate text, either by characters or words. + + When truncating HTML text (either chars or words), input will be limited to + at most `MAX_LENGTH_HTML` characters. """ + # 5 million characters are approximately 4000 text pages or 3 web pages. + MAX_LENGTH_HTML = 5_000_000 + def __init__(self, text): super().__init__(lambda: str(text)) @@ -162,6 +168,11 @@ class Truncator(SimpleLazyObject): if words and length <= 0: return "" + size_limited = False + if len(text) > self.MAX_LENGTH_HTML: + text = text[: self.MAX_LENGTH_HTML] + size_limited = True + html4_singlets = ( "br", "col", @@ -218,10 +229,14 @@ class Truncator(SimpleLazyObject): # Add it to the start of the open tags list open_tags.insert(0, tagname) + truncate_text = self.add_truncation_text("", truncate) + if current_len <= length: + if size_limited and truncate_text: + text += truncate_text return text + out = text[:end_text_pos] - truncate_text = self.add_truncation_text("", truncate) if truncate_text: out += truncate_text # Close any tags still open |