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annotate rhodecode/lib/__init__.py @ 1154:36fe593dfe4b beta

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simplified str2bool, and moved safe_unicode out of helpers since it was not html specific function
author Marcin Kuzminski <marcin@python-works.com>
date Fri, 18 Mar 2011 19:39:48 +0100
parents 1aa1655bf019
children 268fa0b6b2ef
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1 # -*- coding: utf-8 -*-
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2 """
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3 rhodecode.lib.__init__
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4 ~~~~~~~~~~~~~~~~~~~~~~~
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5
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6 Some simple helper functions
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7
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8 :created_on: Jan 5, 2011
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9 :author: marcink
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10 :copyright: (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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11 :license: GPLv3, see COPYING for more details.
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12 """
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13 # This program is free software; you can redistribute it and/or
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14 # modify it under the terms of the GNU General Public License
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15 # as published by the Free Software Foundation; version 2
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16 # of the License or (at your opinion) any later version of the license.
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17 #
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18 # This program is distributed in the hope that it will be useful,
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19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 # GNU General Public License for more details.
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22 #
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23 # You should have received a copy of the GNU General Public License
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24 # along with this program; if not, write to the Free Software
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25 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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26 # MA 02110-1301, USA.
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27
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28 def str2bool(s):
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29 if s is None:
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30 return False
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31 if s in (True, False):
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32 return s
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33 s = str(s).strip().lower()
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34 return s in ('t', 'true', 'y', 'yes', 'on', '1')
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35
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36 def generate_api_key(username, salt=None):
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37 """
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38 Generates uniq API key for given username
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39
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40 :param username: username as string
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41 :param salt: salt to hash generate KEY
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42 """
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43 from tempfile import _RandomNameSequence
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44 import hashlib
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45
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46 if salt is None:
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47 salt = _RandomNameSequence().next()
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48
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49 return hashlib.sha1(username + salt).hexdigest()
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50
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51 def safe_unicode(str):
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52 """
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53 safe unicode function. In case of UnicodeDecode error we try to return
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54 unicode with errors replace, if this fails we return unicode with
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55 string_escape decoding
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56 """
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57
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58 try:
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59 u_str = unicode(str)
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60 except UnicodeDecodeError:
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61 try:
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62 u_str = unicode(str, 'utf-8', 'replace')
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63 except UnicodeDecodeError:
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64 #incase we have a decode error just represent as byte string
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65 u_str = unicode(str(str).encode('string_escape'))
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66
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67 return u_str