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https://github.com/SELinuxProject/selinux
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gui: remove html_util.py
This file is not used anywhere. Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
This commit is contained in:
Nicolas Iooss
Petr Lautrbach
parent
3a40d05735
commit
3b0dbede9c
@ -9,7 +9,6 @@ TARGETS= \
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booleansPage.py \
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domainsPage.py \
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fcontextPage.py \
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html_util.py \
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loginsPage.py \
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modulesPage.py \
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polgen.ui \
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175
gui/html_util.py
175
gui/html_util.py
@ -1,175 +0,0 @@
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# Authors: John Dennis <jdennis@redhat.com>
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#
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# Copyright (C) 2007 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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__all__ = [
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'escape_html',
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'unescape_html',
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'html_to_text',
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'html_document',
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]
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import htmllib
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import formatter as Formatter
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import string
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from types import *
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try:
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from io import StringIO
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except ImportError:
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from StringIO import StringIO
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#------------------------------------------------------------------------------
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class TextWriter(Formatter.DumbWriter):
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def __init__(self, file=None, maxcol=80, indent_width=4):
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Formatter.DumbWriter.__init__(self, file, maxcol)
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self.indent_level = 0
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self.indent_width = indent_width
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self._set_indent()
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def _set_indent(self):
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self.indent_col = self.indent_level * self.indent_width
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self.indent = ' ' * self.indent_col
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def new_margin(self, margin, level):
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self.indent_level = level
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self._set_indent()
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def send_label_data(self, data):
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data = data + ' '
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if len(data) > self.indent_col:
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self.send_literal_data(data)
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else:
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offset = self.indent_col - len(data)
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self.send_literal_data(' ' * offset + data)
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def send_flowing_data(self, data):
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if not data:
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return
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atbreak = self.atbreak or data[0] in string.whitespace
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col = self.col
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maxcol = self.maxcol
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write = self.file.write
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col = self.col
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if col == 0:
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write(self.indent)
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col = self.indent_col
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for word in data.split():
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if atbreak:
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if col + len(word) >= maxcol:
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write('\n' + self.indent)
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col = self.indent_col
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else:
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write(' ')
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col = col + 1
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write(word)
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col = col + len(word)
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atbreak = 1
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self.col = col
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self.atbreak = data[-1] in string.whitespace
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class HTMLParserAnchor(htmllib.HTMLParser):
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def __init__(self, formatter, verbose=0):
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htmllib.HTMLParser.__init__(self, formatter, verbose)
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def anchor_bgn(self, href, name, type):
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self.anchor = href
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def anchor_end(self):
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if self.anchor:
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self.handle_data(' (%s) ' % self.anchor)
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self.anchor = None
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#------------------------------------------------------------------------------
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def escape_html(s):
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if s is None:
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return None
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s = s.replace("&", "&") # Must be done first!
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s = s.replace("<", "<")
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s = s.replace(">", ">")
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s = s.replace("'", "'")
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s = s.replace('"', """)
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return s
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def unescape_html(s):
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if s is None:
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return None
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if '&' not in s:
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return s
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s = s.replace("<", "<")
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s = s.replace(">", ">")
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s = s.replace("'", "'")
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s = s.replace(""", '"')
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s = s.replace("&", "&") # Must be last
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return s
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def html_to_text(html, maxcol=80):
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try:
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buffer = StringIO()
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formatter = Formatter.AbstractFormatter(TextWriter(buffer, maxcol))
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parser = HTMLParserAnchor(formatter)
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parser.feed(html)
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parser.close()
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text = buffer.getvalue()
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buffer.close()
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return text
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except Exception as e:
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log_program.error('cannot convert html to text: %s' % e)
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return None
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def html_document(*body_components):
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'''Wrap the body components in a HTML document structure with a valid header.
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Accepts a variable number of arguments of which can be:
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* string
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* a sequences of strings (tuple or list).
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* a callable object taking no parameters and returning a string or sequence of strings.
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'''
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head = '<html>\n <head>\n <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>\n </head>\n <body>\n'
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tail = '\n </body>\n</html>'
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doc = head
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for body_component in body_components:
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if type(body_component) is StringTypes:
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doc += body_component
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elif type(body_component) in [TupleType, ListType]:
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for item in body_component:
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doc += item
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elif callable(body_component):
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result = body_component()
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if type(result) in [TupleType, ListType]:
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for item in result:
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doc += item
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else:
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doc += result
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else:
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doc += body_component
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doc += tail
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return doc
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