root / kamaki / clients / utils.py @ cf215a96
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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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def _matches(val1, val2, exactMath=True): |
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"""Case Insensitive match"""
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if exactMath:
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return True if val1.lower() == val2.lower() else False |
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else:
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return True if val1.lower().startswith(val2.lower()) else False |
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def filter_out(d, prefix, exactMatch=False): |
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"""Remove entries that are prefixed with prefix (case insensitive)
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:param d: (dict) input
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:param prefix: (str) prefix to match input keys against
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:param exactMatch: (bool) key should fully match if True, just prefixed
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with prefix if False
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:returns: (dict) the updated d
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"""
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ret = {} |
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for key, val in d.items(): |
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if not _matches(key, prefix, exactMath=exactMatch): |
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ret[key] = val |
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return ret
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def filter_in(d, prefix, exactMatch=False): |
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"""Keep only entries of d prefixed with prefix
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:param d: (dict) input
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:param prefix: (str) prefix to match input keys against
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:param exactMatch: (bool) key should fully match if True, just prefixed
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with prefix if False
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:returns: (dict) the updated d
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"""
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ret = {} |
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for key, val in d.items(): |
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if _matches(key, prefix, exactMath=exactMatch):
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ret[key] = val |
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return ret
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def path4url(*args): |
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"""
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:param args: (list of str)
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:returns: (str) a path in the form /args[0]/args[1]/...
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"""
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return '/'.join([''] + [arg.decode('utf-8') if ( |
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isinstance(arg, str)) else '%s' % arg for arg in args]) |
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def params4url(params): |
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"""{'key1':'val1', 'key2':None, 'key3':15} --> "?key1=val1&key2&key3=15"
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:param params: (dict) request parameters in the form key:val
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:returns: (str) http-request friendly in the form ?key1=val1&key2=val2&...
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"""
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assert(type(params) is dict) |
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result = ''
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dlmtr = '?'
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for name in params: |
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result = result + dlmtr + name |
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result += '=%s' % params[name] if params[name] else result |
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dlmtr = '&'
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return result
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