diff --git a/html5lib/filters/alphabeticalattributes.py b/html5lib/filters/alphabeticalattributes.py
index 5fea9f69..5ba926e3 100644
--- a/html5lib/filters/alphabeticalattributes.py
+++ b/html5lib/filters/alphabeticalattributes.py
@@ -17,6 +17,7 @@ def _attr_key(attr):
class Filter(base.Filter):
+ """Alphabetizes attributes for elements"""
def __iter__(self):
for token in base.Filter.__iter__(self):
if token["type"] in ("StartTag", "EmptyTag"):
diff --git a/html5lib/filters/inject_meta_charset.py b/html5lib/filters/inject_meta_charset.py
index 2059ec86..aefb5c84 100644
--- a/html5lib/filters/inject_meta_charset.py
+++ b/html5lib/filters/inject_meta_charset.py
@@ -4,7 +4,15 @@
class Filter(base.Filter):
+ """Injects ```` tag into head of document"""
def __init__(self, source, encoding):
+ """Creates a Filter
+
+ :arg source: the source token stream
+
+ :arg encoding: the encoding to set
+
+ """
base.Filter.__init__(self, source)
self.encoding = encoding
diff --git a/html5lib/filters/lint.py b/html5lib/filters/lint.py
index a9c0831a..acd4d7a2 100644
--- a/html5lib/filters/lint.py
+++ b/html5lib/filters/lint.py
@@ -10,7 +10,19 @@
class Filter(base.Filter):
+ """Lints the token stream for errors
+
+ If it finds any errors, it'll raise an ``AssertionError``.
+
+ """
def __init__(self, source, require_matching_tags=True):
+ """Creates a Filter
+
+ :arg source: the source token stream
+
+ :arg require_matching_tags: whether or not to require matching tags
+
+ """
super(Filter, self).__init__(source)
self.require_matching_tags = require_matching_tags
diff --git a/html5lib/filters/optionaltags.py b/html5lib/filters/optionaltags.py
index f6edb734..4a865012 100644
--- a/html5lib/filters/optionaltags.py
+++ b/html5lib/filters/optionaltags.py
@@ -4,6 +4,7 @@
class Filter(base.Filter):
+ """Removes optional tags from the token stream"""
def slider(self):
previous1 = previous2 = None
for token in self.source:
diff --git a/html5lib/filters/sanitizer.py b/html5lib/filters/sanitizer.py
index dc801668..6633168f 100644
--- a/html5lib/filters/sanitizer.py
+++ b/html5lib/filters/sanitizer.py
@@ -705,7 +705,7 @@
class Filter(base.Filter):
- """ sanitization of XHTML+MathML+SVG and of inline style attributes."""
+ """Sanitizes token stream of XHTML+MathML+SVG and of inline style attributes"""
def __init__(self,
source,
allowed_elements=allowed_elements,
@@ -718,6 +718,37 @@ def __init__(self,
attr_val_is_uri=attr_val_is_uri,
svg_attr_val_allows_ref=svg_attr_val_allows_ref,
svg_allow_local_href=svg_allow_local_href):
+ """Creates a Filter
+
+ :arg allowed_elements: set of elements to allow--everything else will
+ be escaped
+
+ :arg allowed_attributes: set of attributes to allow in
+ elements--everything else will be stripped
+
+ :arg allowed_css_properties: set of CSS properties to allow--everything
+ else will be stripped
+
+ :arg allowed_css_keywords: set of CSS keywords to allow--everything
+ else will be stripped
+
+ :arg allowed_svg_properties: set of SVG properties to allow--everything
+ else will be removed
+
+ :arg allowed_protocols: set of allowed protocols for URIs
+
+ :arg allowed_content_types: set of allowed content types for ``data`` URIs.
+
+ :arg attr_val_is_uri: set of attributes that have URI values--values
+ that have a scheme not listed in ``allowed_protocols`` are removed
+
+ :arg svg_attr_val_allows_ref: set of SVG attributes that can have
+ references
+
+ :arg svg_allow_local_href: set of SVG elements that can have local
+ hrefs--these are removed
+
+ """
super(Filter, self).__init__(source)
self.allowed_elements = allowed_elements
self.allowed_attributes = allowed_attributes
@@ -737,11 +768,11 @@ def __iter__(self):
yield token
# Sanitize the +html+, escaping all elements not in ALLOWED_ELEMENTS, and
- # stripping out all # attributes not in ALLOWED_ATTRIBUTES. Style
- # attributes are parsed, and a restricted set, # specified by
- # ALLOWED_CSS_PROPERTIES and ALLOWED_CSS_KEYWORDS, are allowed through.
- # attributes in ATTR_VAL_IS_URI are scanned, and only URI schemes specified
- # in ALLOWED_PROTOCOLS are allowed.
+ # stripping out all attributes not in ALLOWED_ATTRIBUTES. Style attributes
+ # are parsed, and a restricted set, specified by ALLOWED_CSS_PROPERTIES and
+ # ALLOWED_CSS_KEYWORDS, are allowed through. attributes in ATTR_VAL_IS_URI
+ # are scanned, and only URI schemes specified in ALLOWED_PROTOCOLS are
+ # allowed.
#
# sanitize_html('')
# => <script> do_nasty_stuff() </script>
diff --git a/html5lib/filters/whitespace.py b/html5lib/filters/whitespace.py
index 89210528..0d12584b 100644
--- a/html5lib/filters/whitespace.py
+++ b/html5lib/filters/whitespace.py
@@ -10,7 +10,7 @@
class Filter(base.Filter):
-
+ """Collapses whitespace except in pre, textarea, and script elements"""
spacePreserveElements = frozenset(["pre", "textarea"] + list(rcdataElements))
def __iter__(self):
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