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# -*- coding: utf-8 -*-
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"""
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rhodecode.lib.__init__
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~~~~~~~~~~~~~~~~~~~~~~~
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Some simple helper functions
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:created_on: Jan 5, 2011
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:author: marcink
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:copyright: (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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:license: GPLv3, see COPYING for more details.
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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 3 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, see <http://www.gnu.org/licenses/>.
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def str2bool(_str):
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"""
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returs True/False value from given string, it tries to translate the
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string into boolean
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:param _str: string value to translate into boolean
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:rtype: boolean
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:returns: boolean from given string
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"""
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if _str is None:
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return False
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if _str in (True, False):
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return _str
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_str = str(_str).strip().lower()
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return _str in ('t', 'true', 'y', 'yes', 'on', '1')
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def generate_api_key(username, salt=None):
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"""
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Generates unique API key for given username,if salt is not given
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it'll be generated from some random string
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:param username: username as string
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:param salt: salt to hash generate KEY
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:rtype: str
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:returns: sha1 hash from username+salt
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"""
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from tempfile import _RandomNameSequence
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import hashlib
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if salt is None:
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salt = _RandomNameSequence().next()
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return hashlib.sha1(username + salt).hexdigest()
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def safe_unicode(_str, from_encoding='utf8'):
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"""
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safe unicode function. In case of UnicodeDecode error we try to return
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unicode with errors replace
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:param _str: string to decode
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:rtype: unicode
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:returns: unicode object
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"""
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if isinstance(_str, unicode):
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return _str
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try:
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u_str = unicode(_str, from_encoding)
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except UnicodeDecodeError:
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u_str = unicode(_str, from_encoding, 'replace')
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return u_str
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