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67 lines
1.7 KiB
67 lines
1.7 KiB
# -*- coding: utf-8 -*-
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# Copyright 2015 Mike Fährmann
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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 version 2 as
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# published by the Free Software Foundation.
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"""Collection of functions that work in strings/text"""
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import re
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import html.parser
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import urllib.parse
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import platform
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def remove_html(text):
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"""Remove html-tags from a string"""
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return " ".join(re.sub("<[^>]+?>", " ", text).split())
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def filename_from_url(url):
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"""Extract the last part of an url to use as a filename"""
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try:
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path = urllib.parse.urlparse(url).path
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pos = path.rindex("/")
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return path[pos+1:]
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except ValueError:
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return url
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def clean_path_windows(path):
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"""Remove illegal characters from a path-segment (Windows)"""
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try:
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return re.sub(r'[<>:"\\/|?*]', "_", path)
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except TypeError:
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return path
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def clean_path_posix(path):
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"""Remove illegal characters from a path-segment (Posix)"""
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try:
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return path.replace("/", "_")
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except AttributeError:
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return path
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def extract(txt, begin, end, pos=0):
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try:
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first = txt.index(begin, pos) + len(begin)
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last = txt.index(end, first)
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return txt[first:last], last+len(end)
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except ValueError:
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return None, pos
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def extract_all(txt, begin, end, pos=0):
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try:
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first = txt.index(begin, pos)
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last = txt.index(end, first + len(begin)) + len(end)
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return txt[first:last], last
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except ValueError:
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return None, pos
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if platform.system() == "Windows":
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clean_path = clean_path_windows
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else:
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clean_path = clean_path_posix
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unquote = urllib.parse.unquote
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unescape = html.parser.HTMLParser().unescape
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