/usr/lib/grass72/tools/html.py is in grass-dev 7.2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | from __future__ import (absolute_import, division, generators, nested_scopes,
print_function, unicode_literals, with_statement)
import sys
import HTMLParser as base
import htmlentitydefs
HTMLParseError = base.HTMLParseError
__all__ = ["HTMLParser", "HTMLParseError"]
omit_start = ["body", "tbody", "head", "html"]
single = ["area", "base", "basefont", "br", "col", "frame",
"hr", "img", "input", "isindex", "link", "meta", "param"]
single = frozenset(single)
heading = ["h1", "h2", "h3", "h4", "h5", "h6"]
fontstyle = ["tt", "i", "b", "u", "s", "strike", "big", "small"]
phrase = ["em", "strong", "dfn", "code", "samp", "kbd", "var", "cite", "abbr",
"acronym"]
special = ["a", "img", "applet", "object", "font", "basefont", "br", "script",
"map", "q", "sub", "sup", "span", "bdo", "iframe"]
formctrl = ["input", "select", "textarea", "label", "button"]
lists = ["ul", "ol", " dir", "menu"]
head_misc = ["script", "style", "meta", "link", "object"]
pre_exclusion = ["img", "object", "applet", "big", "small", "sub", "sup",
"font", "basefont"]
block = ["p", "pre", "dl", "div", "center", "noscript", "noframes",
"blockquote", "form", "isindex", "hr", "table", "fieldset",
"address"] + heading + lists
inline = fontstyle + phrase + special + formctrl
flow = block + inline
html_content = ["head", "body"]
head_content = ["title", "isindex", "base"]
def setify(d):
return dict([(key, frozenset(val)) for key, val in d.iteritems()])
def omit(allowed, tags):
result = {}
for k, v in allowed.iteritems():
for t in tags:
if t in v:
v = v.union(allowed[t])
result[k] = v
return result
allowed = {
"a": inline,
"abbr": inline,
"acronym": inline,
"address": inline + ["p"],
"applet": flow + ["param"],
"b": inline,
"bdo": inline,
"big": inline,
"blockquote": flow,
"body": flow + ["ins", "del"],
"button": flow,
"caption": inline,
"center": flow,
"cite": inline,
"code": inline,
"colgroup": ["col"],
"dd": flow,
"del": flow,
"dfn": inline,
"dir": ["li"],
"div": flow,
"dl": ["dt", "dd"],
"dt": inline,
"em": inline,
"fieldset": flow + ["legend"],
"font": inline,
"form": flow,
"frameset": ["frameset", "frame", "noframes"],
"h1": inline,
"h2": inline,
"h3": inline,
"h4": inline,
"h5": inline,
"h6": inline,
"head": head_content + head_misc,
"html": html_content,
"i": inline,
"iframe": flow,
"ins": flow,
"kbd": inline,
"label": inline,
"legend": inline,
"li": flow,
"map": block + ["area"],
"menu": ["li"],
"noframes": flow,
"noscript": flow,
"object": flow + ["param"],
"ol": ["li"],
"optgroup": ["option"],
"option": [],
"p": inline,
"pre": inline,
"q": inline,
"s": inline,
"samp": inline,
"script": [],
"select": ["optgroup", "option"],
"small": inline,
"span": inline,
"strike": inline,
"strong": inline,
"style": [],
"sub": inline,
"sup": inline,
"table": ["caption", "col", "colgroup", "thead", "tfoot", "tbody"],
"tbody": ["tr"],
"td": flow,
"textarea": [],
"tfoot": ["tr"],
"th": flow,
"thead": ["tr"],
"title": [],
"tr": ["th", "td"],
"tt": inline,
"u": inline,
"ul": ["li"],
"var": inline
}
allowed = setify(allowed)
allowed = omit(allowed, omit_start)
excluded = {
"a": ["a"],
"button": formctrl + ["a", "form", "isindex", "fieldset", "iframe"],
"dir": block,
"form": ["form"],
"label": ["label"],
"menu": block,
"pre": pre_exclusion
}
excluded = setify(excluded)
class HTMLParser(base.HTMLParser):
def __init__(self, entities=None):
base.HTMLParser.__init__(self)
self.tag_stack = []
self.excluded = frozenset()
self.excluded_stack = []
self.data = []
self.data_stack = []
self.decls = []
if entities:
self.entities = entities
else:
self.entities = {}
def top(self):
if self.tag_stack == []:
return None
else:
return self.tag_stack[-1][0]
def pop(self):
self.excluded = self.excluded_stack.pop()
data = self.data
self.data = self.data_stack.pop()
(tag, attrs) = self.tag_stack.pop()
self.append((tag, attrs, data))
return tag
def push(self, tag, attrs):
self.tag_stack.append((tag, attrs))
self.excluded_stack.append(self.excluded)
if tag in excluded:
self.excluded = self.excluded.union(excluded[tag])
self.data_stack.append(self.data)
self.data = []
def append(self, item):
self.data.append(item)
def is_allowed(self, tag):
return tag not in self.excluded and tag in allowed[self.top()]
def handle_starttag(self, tag, attrs):
if self.tag_stack != []:
while not self.is_allowed(tag):
self.pop()
if tag not in single:
self.push(tag, attrs)
else:
self.append((tag, attrs, None))
def handle_entityref(self, name):
if name in self.entities:
self.handle_data(self.entities[name])
elif name in htmlentitydefs.entitydefs:
self.handle_data(htmlentitydefs.entitydefs[name])
else:
sys.stderr.write("unrecognized entity: %s\n" % name)
def handle_charref(self, name):
sys.stderr.write('unsupported character reference <%s>' % name)
def handle_data(self, data):
self.append(data)
def handle_endtag(self, tag):
while True:
if self.pop() == tag:
break
def handle_decl(self, decl):
self.decls.append(decl)
|