def csscombine(
path=None,
url=None,
cssText=None,
href=None,
sourceencoding=None,
targetencoding=None,
minify=True,
resolveVariables=True,
):
"""Combine sheets referred to by @import rules in given CSS proxy sheet
into a single new sheet.
:returns: combined cssText, normal or minified
:Parameters:
`path` or `url` or `cssText` + `href`
path or URL to a CSSStyleSheet or a cssText of a sheet which imports
other sheets which are then combined into one sheet.
`cssText` normally needs `href` to be able to resolve relative
imports.
`sourceencoding` = 'utf-8'
explicit encoding of the source proxysheet
`targetencoding`
encoding of the combined stylesheet
`minify` = True
defines if the combined sheet should be minified, in this case
comments are not parsed at all!
`resolveVariables` = True
defines if variables in combined sheet should be resolved
"""
cssutils.log.info('Combining files from %r' % url, neverraise=True)
if sourceencoding is not None:
cssutils.log.info('Using source encoding %r' % sourceencoding,
neverraise=True)
parser = cssutils.CSSParser(parseComments=not minify)
if path and not cssText:
src = parser.parseFile(path, encoding=sourceencoding)
elif url:
src = parser.parseUrl(url, encoding=sourceencoding)
elif cssText:
src = parser.parseString(cssText, href=href, encoding=sourceencoding)
else:
sys.exit('Path or URL must be given')
result = cssutils.resolveImports(src)
result.encoding = targetencoding
cssutils.log.info('Using target encoding: %r' % targetencoding,
neverraise=True)
oldser = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
if minify:
cssutils.ser.prefs.useMinified()
cssutils.ser.prefs.resolveVariables = resolveVariables
cssText = result.cssText
cssutils.setSerializer(oldser)
return cssText
def csscombine(
path=None,
url=None,
cssText=None,
href=None,
sourceencoding=None,
targetencoding=None,
minify=True,
resolveVariables=True,
):
"""Combine sheets referred to by @import rules in given CSS proxy sheet
into a single new sheet.
:returns: combined cssText, normal or minified
:Parameters:
`path` or `url` or `cssText` + `href`
path or URL to a CSSStyleSheet or a cssText of a sheet which imports
other sheets which are then combined into one sheet.
`cssText` normally needs `href` to be able to resolve relative
imports.
`sourceencoding` = 'utf-8'
explicit encoding of the source proxysheet
`targetencoding`
encoding of the combined stylesheet
`minify` = True
defines if the combined sheet should be minified, in this case
comments are not parsed at all!
`resolveVariables` = True
defines if variables in combined sheet should be resolved
"""
cssutils.log.info(u"Combining files from %r" % url, neverraise=True)
if sourceencoding is not None:
cssutils.log.info(u"Using source encoding %r" % sourceencoding, neverraise=True)
parser = cssutils.CSSParser(parseComments=not minify)
if path and not cssText:
src = parser.parseFile(path, encoding=sourceencoding)
elif url:
src = parser.parseUrl(url, encoding=sourceencoding)
elif cssText:
src = parser.parseString(cssText, href=href, encoding=sourceencoding)
else:
sys.exit("Path or URL must be given")
result = cssutils.resolveImports(src)
result.encoding = targetencoding
cssutils.log.info(u"Using target encoding: %r" % targetencoding, neverraise=True)
oldser = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
if minify:
cssutils.ser.prefs.useMinified()
cssutils.ser.prefs.resolveVariables = resolveVariables
cssText = result.cssText
cssutils.setSerializer(oldser)
return cssText
def minify_sources(sources, ext, fs_root='', timestamp=False):
"""Use utilities to minify javascript or css.
:param sources: Paths of source files
:param ext: Type of files
:param fs_root: root of file (normally public dir)
:type sources: string
:type ext: js or css
:type fs_root: string
:returns: List of paths to minified sources
"""
if 'js' in ext:
js_minify = JavascriptMinify()
minified_sources = []
for source in sources:
# generate full path to source
no_ext_source = path.splitext(source)[0]
full_source = path.join(fs_root, (no_ext_source + ext).lstrip('/'))
# generate minified source path
full_source = path.join(fs_root, (source).lstrip('/'))
no_ext_full_source = path.splitext(full_source)[0]
minified = no_ext_full_source + ext
f_minified_source = open(minified, 'w')
try:
# minify js source (read stream is auto-closed inside)
if 'js' in ext:
js_minify.minify(open(full_source, 'r'), f_minified_source)
# minify css source
if 'css' in ext:
sheet = cssutils.parseFile(full_source)
cssutils.setSerializer(CSSUtilsMinificationSerializer())
cssutils.ser.prefs.useMinified()
f_minified_source.write(sheet.cssText)
finally:
f_minified_source.close()
if no_ext_source.endswith('COMBINED'):
minified_sources.append(no_ext_source + ext)
else:
minified_sources.append(no_ext_source + generate_timestamp(timestamp) + ext)
return minified_sources
def test_setCSSSerializer(self):
"cssutils.setSerializer() and cssutils.ser"
s = cssutils.parseString('a { left: 0 }')
exp4 = '''a {
left: 0
}'''
exp1 = '''a {
left: 0
}'''
self.assertEqual(exp4, s.cssText)
newser = cssutils.CSSSerializer(cssutils.serialize.Preferences(indent=' '))
cssutils.setSerializer(newser)
self.assertEqual(exp1, s.cssText)
newser = cssutils.CSSSerializer(cssutils.serialize.Preferences(indent=' '))
cssutils.ser = newser
self.assertEqual(exp4, s.cssText)
def test_setCSSSerializer(self):
"cssutils.setSerializer() and cssutils.ser"
s = cssutils.parseString('a { left: 0 }')
exp4 = '''a {
left: 0
}'''
exp1 = '''a {
left: 0
}'''
self.assertEqual(exp4.encode(), s.cssText)
newser = cssutils.CSSSerializer(cssutils.serialize.Preferences(indent=' '))
cssutils.setSerializer(newser)
self.assertEqual(exp1.encode(), s.cssText)
newser = cssutils.CSSSerializer(cssutils.serialize.Preferences(indent=' '))
cssutils.ser = newser
self.assertEqual(exp4.encode(), s.cssText)
def csscombine(path=None,
url=None,
sourceencoding=None,
targetencoding=None,
minify=True):
"""Combine sheets referred to by @import rules in given CSS proxy sheet
into a single new sheet.
:returns: combined cssText, normal or minified
:Parameters:
`path` or `url`
path or URL to a CSSStyleSheet which imports other sheets which
are then combined into one sheet
`targetencoding`
encoding of the combined stylesheet, default 'utf-8'
`minify`
defines if the combined sheet should be minified, default True
"""
cssutils.log.info(u'Combining files from %r' % url, neverraise=True)
if sourceencoding is not None:
cssutils.log.info(u'Using source encoding %r' % sourceencoding,
neverraise=True)
if path:
src = cssutils.parseFile(path, encoding=sourceencoding)
elif url:
src = cssutils.parseUrl(url, encoding=sourceencoding)
else:
sys.exit('Path or URL must be given')
result = cssutils.resolveImports(src)
result.encoding = targetencoding
cssutils.log.info(u'Using target encoding: %r' % targetencoding,
neverraise=True)
if minify:
# save old setting and use own serializer
oldser = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
cssutils.ser.prefs.useMinified()
cssText = result.cssText
cssutils.setSerializer(oldser)
else:
cssText = result.cssText
return cssText
def filter_file_content(self, file_content, path):
"""URLs are made relative to the target and the CSS is minified."""
if self.rewrite_urls:
src_dir = os.path.dirname(path)
relative_src_dir = relative_path(self.target_file, src_dir)
if relative_src_dir == ".":
relative_parts = []
else:
relative_parts = relative_src_dir.split(os.path.sep)
def fix_relative_url(match):
url = match.group(1)
# Don't modify absolute URLs or 'data:' urls.
if (url.startswith("http") or url.startswith("/")
or url.startswith("data:")):
return match.group(0)
parts = relative_parts + url.split("/")
result = []
for part in parts:
if part == ".." and result and result[-1] != "..":
result.pop(-1)
continue
result.append(part)
return "url(%s)" % "/".join(
filter(None, [self.resource_prefix] + result))
file_content = URL_RE.sub(fix_relative_url, file_content)
if self.minify:
old_serializer = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
try:
cssutils.ser.prefs.useMinified()
stylesheet = ESCAPE_STAR_PROPERTY_RE.sub(
r'\1_ie_star_hack:', file_content)
settings.set('DXImageTransform.Microsoft', True)
parser = cssutils.CSSParser(raiseExceptions=True)
css = parser.parseString(stylesheet)
stylesheet = UNESCAPE_STAR_PROPERTY_RE.sub(
r'*\1:', css.cssText)
return stylesheet + "\n"
finally:
cssutils.setSerializer(old_serializer)
return file_content + "\n"
def filter_file_content(self, file_content, path):
"""URLs are made relative to the target and the CSS is minified."""
if self.rewrite_urls:
src_dir = os.path.dirname(path)
relative_parts = relative_path(self.target_file, src_dir).split(
os.path.sep)
def fix_relative_url(match):
url = match.group(1)
# Don't modify absolute URLs or 'data:' urls.
if (url.startswith("http") or
url.startswith("/") or
url.startswith("data:")):
return match.group(0)
parts = relative_parts + url.split("/")
result = []
for part in parts:
if part == ".." and result and result[-1] != "..":
result.pop(-1)
continue
result.append(part)
return "url(%s)" % "/".join(
filter(None, [self.resource_prefix] + result))
file_content = URL_RE.sub(fix_relative_url, file_content)
if self.minify:
old_serializer = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
try:
cssutils.ser.prefs.useMinified()
stylesheet = ESCAPE_STAR_PROPERTY_RE.sub(
r'\1_ie_star_hack:', file_content)
settings.set('DXImageTransform.Microsoft', True)
parser = cssutils.CSSParser(raiseExceptions=True)
css = parser.parseString(stylesheet)
stylesheet = UNESCAPE_STAR_PROPERTY_RE.sub(
r'*\1:', css.cssText)
return stylesheet + "\n"
finally:
cssutils.setSerializer(old_serializer)
return file_content + "\n"
def csscombine(path=None, url=None, sourceencoding=None, targetencoding=None, minify=True):
"""Combine sheets referred to by @import rules in given CSS proxy sheet
into a single new sheet.
:returns: combined cssText, normal or minified
:Parameters:
`path` or `url`
path or URL to a CSSStyleSheet which imports other sheets which
are then combined into one sheet
`targetencoding`
encoding of the combined stylesheet, default 'utf-8'
`minify`
defines if the combined sheet should be minified, default True
"""
cssutils.log.info(u"Combining files from %r" % url, neverraise=True)
if sourceencoding is not None:
cssutils.log.info(u"Using source encoding %r" % sourceencoding, neverraise=True)
if path:
src = cssutils.parseFile(path, encoding=sourceencoding)
elif url:
src = cssutils.parseUrl(url, encoding=sourceencoding)
else:
sys.exit("Path or URL must be given")
result = cssutils.resolveImports(src)
result.encoding = targetencoding
cssutils.log.info(u"Using target encoding: %r" % targetencoding, neverraise=True)
if minify:
# save old setting and use own serializer
oldser = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
cssutils.ser.prefs.useMinified()
cssText = result.cssText
cssutils.setSerializer(oldser)
else:
cssText = result.cssText
return cssText
def setUp(self):
cssutils.setSerializer(customcssutils.MyCSSSerializer())
self.css = cssutils.parseFile(os.path.join(os.path.dirname(__file__),
'resources', 'base.css'))
def run(bk):
# set custom serializer if Sigil version is < 0.9.18 (0.9.18 and higher have the new css-parser module)
if bk.launcher_version() < 20190826:
cssutils.setSerializer(customcssutils.MyCSSSerializer())
prefs = get_prefs(bk)
xml_parser = etree.XMLParser(resolve_entities=False)
css_parser = cssutils.CSSParser(raiseExceptions=True, validate=False)
css_to_skip, css_to_parse, css_warnings = pre_parse_css(bk, css_parser)
form = InfoDialog(bk, prefs)
form.parse_errors(bk, css_to_skip, css_to_parse, css_warnings)
form.mainloop()
if InfoDialog.stop_plugin:
return -1
parseAllXMLFiles = prefs['parseAllXMLFiles']
# Parse files to create the list of "orphaned selectors"
orphaned_selectors = []
for css_id, css_href in bk.css_iter():
if css_id not in css_to_skip.keys():
css_string = read_css(bk, css_id)
parsed_css = css_parser.parseString(css_string)
namespaces_dict, default_prefix = css_namespaces(parsed_css)
for rule in style_rules(parsed_css):
for selector_index, selector in enumerate(rule.selectorList):
maintain_selector = False
if ignore_selectors(selector.selectorText):
continue
# If css specifies a default namespace, the default prefix
# must be added to every unprefixed type selector.
if default_prefix:
selector_ns = add_default_prefix(
default_prefix, selector.selectorText)
else:
selector_ns = selector.selectorText
selector_ns = clean_generic_prefixes(selector_ns)
for file_id, href, mime in bk.manifest_iter():
if mime == 'application/xhtml+xml':
is_xhtml = True
elif parseAllXMLFiles and re.search(
r'[/+]xml\b', mime):
is_xhtml = False
else:
continue
if selector_exists(
etree.HTML(
bk.readfile(file_id).encode('utf-8')),
selector_ns, namespaces_dict, is_xhtml):
maintain_selector = True
break
try:
if selector_exists(
etree.XML(
bk.readfile(file_id).encode('utf-8'),
xml_parser), selector_ns,
namespaces_dict, is_xhtml):
maintain_selector = True
break
except etree.XMLSyntaxError:
form = ErrorDlg(href_to_basename(href))
form.mainloop()
return 1
if not maintain_selector:
orphaned_selectors.append(
(css_id, rule, rule.selectorList[selector_index],
selector_index, parsed_css))
# Show the list of selectors to the user.
form = SelectorsDialog(bk, orphaned_selectors)
form.mainloop()
if SelectorsDialog.stop_plugin:
return -1
# Delete selectors chosen by the user.
css_to_change = {}
old_rule, counter = None, 0
for sel_data, to_delete in SelectorsDialog.orphaned_dict.values():
if to_delete.get() == 1:
if sel_data[1] == old_rule:
counter += 1
else:
counter = 0
del sel_data[1].selectorList[sel_data[3] - counter]
old_rule = sel_data[1]
css_to_change[sel_data[0]] = sel_data[4].cssText
for css_id, css_text in css_to_change.items():
bk.writefile(css_id, css_text)
return 0
def run(bk):
cssutils.setSerializer(customcssutils.MyCSSSerializer())
prefs = get_prefs(bk)
xml_parser = etree.XMLParser(resolve_entities=False)
css_parser = cssutils.CSSParser(raiseExceptions=True, validate=False)
css_to_skip, css_to_parse, css_warnings = pre_parse_css(bk, css_parser)
form = InfoDialog(bk, prefs)
form.parse_errors(bk, css_to_skip, css_to_parse, css_warnings)
form.mainloop()
if InfoDialog.stop_plugin:
return -1
parseAllXMLFiles = prefs['parseAllXMLFiles']
# Parse files to create the list of "orphaned selectors"
orphaned_selectors = []
for css_id, css_href in bk.css_iter():
if css_id not in css_to_skip.keys():
css_string = read_css(bk, css_id)
parsed_css = css_parser.parseString(css_string)
namespaces_dict, default_prefix = css_namespaces(parsed_css)
for rule in style_rules(parsed_css):
for selector_index, selector in enumerate(rule.selectorList):
maintain_selector = False
if ignore_selectors(selector.selectorText):
continue
# If css specifies a default namespace, the default prefix
# must be added to every unprefixed type selector.
if default_prefix:
selector_ns = add_default_prefix(default_prefix,
selector.selectorText)
else:
selector_ns = selector.selectorText
selector_ns = clean_generic_prefixes(selector_ns)
for file_id, href, mime in bk.manifest_iter():
if mime == 'application/xhtml+xml':
is_xhtml = True
elif parseAllXMLFiles and re.search(r'[/+]xml\b', mime):
is_xhtml = False
else:
continue
if selector_exists(etree.HTML(bk.readfile(file_id).encode('utf-8')),
selector_ns, namespaces_dict, is_xhtml):
maintain_selector = True
break
try:
if selector_exists(etree.XML(bk.readfile(file_id).encode('utf-8'),
xml_parser),
selector_ns, namespaces_dict, is_xhtml):
maintain_selector = True
break
except etree.XMLSyntaxError:
form = ErrorDlg(href_to_basename(href))
form.mainloop()
return 1
if not maintain_selector:
orphaned_selectors.append((css_id, rule,
rule.selectorList[selector_index],
selector_index,
parsed_css))
# Show the list of selectors to the user.
form = SelectorsDialog(bk, orphaned_selectors)
form.mainloop()
if SelectorsDialog.stop_plugin:
return -1
# Delete selectors chosen by the user.
css_to_change = {}
old_rule, counter = None, 0
for sel_data, to_delete in SelectorsDialog.orphaned_dict.values():
if to_delete.get() == 1:
if sel_data[1] == old_rule:
counter += 1
else:
counter = 0
del sel_data[1].selectorList[sel_data[3]-counter]
old_rule = sel_data[1]
css_to_change[sel_data[0]] = sel_data[4].cssText
for css_id, css_text in css_to_change.items():
bk.writefile(css_id, css_text)
return 0
