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Ignore CSS imports after other types of declarations

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This commit is contained in:
Guillaume Ayoub 2017-08-17 07:47:20 +02:00
parent dd7bf0b8a1
commit fb649f22b3
1 changed files with 15 additions and 2 deletions
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17
weasyprint/css/__init__.py
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@ -594,7 +594,7 @@ def computed_from_cascaded(element, cascaded, parent_style, pseudo_type=None,
def preprocess_stylesheet(device_media_type, base_url, stylesheet_rules,
url_fetcher, matcher, page_rules, fonts,
font_config):
font_config, ignore_imports=False):
"""Do the work that can be done early on stylesheet, before they are
in a document.
@ -616,12 +616,22 @@ def preprocess_stylesheet(device_media_type, base_url, stylesheet_rules,
raise cssselect2.SelectorError(
'Unknown pseudo-element: %s'
% selector.pseudo_element)
ignore_imports = True
except cssselect2.SelectorError as exc:
LOGGER.warning("Invalid or unsupported selector '%s', %s",
tinycss2.serialize(rule.prelude), exc)
continue
else:
ignore_imports = True
elif rule.type == 'at-rule' and rule.at_keyword == 'import':
if ignore_imports:
LOGGER.warning('@import rule "%s" not at the beginning of the '
'the whole rule was ignored at %s:%s.',
tinycss2.serialize(rule.prelude),
rule.source_line, rule.source_column)
continue
tokens = remove_whitespace(rule.prelude)
if tokens and tokens[0].type in ('url', 'string'):
url = tokens[0].value
@ -658,12 +668,13 @@ def preprocess_stylesheet(device_media_type, base_url, stylesheet_rules,
tinycss2.serialize(rule.prelude),
rule.source_line, rule.source_column)
continue
ignore_imports = True
if not evaluate_media_query(media, device_media_type):
continue
content_rules = tinycss2.parse_rule_list(rule.content)
preprocess_stylesheet(
device_media_type, base_url, content_rules, url_fetcher,
matcher, page_rules, fonts, font_config)
matcher, page_rules, fonts, font_config, ignore_imports=True)
elif rule.type == 'at-rule' and rule.at_keyword == 'page':
tokens = remove_whitespace(rule.prelude)
@ -699,6 +710,7 @@ def preprocess_stylesheet(device_media_type, base_url, stylesheet_rules,
tinycss2.serialize(rule.prelude),
rule.source_line, rule.source_column)
continue
ignore_imports = True
page_type = PageType(**types)
# Use a double lambda to have a closure that holds page_types
match = (lambda page_type: lambda page_names: list(
@ -724,6 +736,7 @@ def preprocess_stylesheet(device_media_type, base_url, stylesheet_rules,
(margin_rule, selector_list, declarations))
elif rule.type == 'at-rule' and rule.at_keyword == 'font-face':
ignore_imports = True
content = tinycss2.parse_declaration_list(rule.content)
rule_descriptors = dict(preprocess_descriptors(base_url, content))
for key in ('src', 'font_family'):