root / snf-common / synnefo / lib / http_request.py @ 784dcbdb
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1 | 818bb9bf | Georgios D. Tsoukalas | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 818bb9bf | Georgios D. Tsoukalas | #
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3 | 818bb9bf | Georgios D. Tsoukalas | # Redistribution and use in source and binary forms, with or
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4 | 818bb9bf | Georgios D. Tsoukalas | # without modification, are permitted provided that the following
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5 | 818bb9bf | Georgios D. Tsoukalas | # conditions are met:
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6 | 818bb9bf | Georgios D. Tsoukalas | #
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7 | 818bb9bf | Georgios D. Tsoukalas | # 1. Redistributions of source code must retain the above
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8 | 818bb9bf | Georgios D. Tsoukalas | # copyright notice, self.list of conditions and the following
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9 | 818bb9bf | Georgios D. Tsoukalas | # disclaimer.
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10 | 818bb9bf | Georgios D. Tsoukalas | #
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11 | 818bb9bf | Georgios D. Tsoukalas | # 2. Redistributions in binary form must reproduce the above
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12 | 818bb9bf | Georgios D. Tsoukalas | # copyright notice, self.list of conditions and the following
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13 | 818bb9bf | Georgios D. Tsoukalas | # disclaimer in the documentation and/or other materials
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14 | 818bb9bf | Georgios D. Tsoukalas | # provided with the distribution.
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15 | 818bb9bf | Georgios D. Tsoukalas | #
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16 | 818bb9bf | Georgios D. Tsoukalas | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 818bb9bf | Georgios D. Tsoukalas | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 818bb9bf | Georgios D. Tsoukalas | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 818bb9bf | Georgios D. Tsoukalas | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 818bb9bf | Georgios D. Tsoukalas | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 818bb9bf | Georgios D. Tsoukalas | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 818bb9bf | Georgios D. Tsoukalas | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 818bb9bf | Georgios D. Tsoukalas | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 818bb9bf | Georgios D. Tsoukalas | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 818bb9bf | Georgios D. Tsoukalas | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 818bb9bf | Georgios D. Tsoukalas | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 818bb9bf | Georgios D. Tsoukalas | # POSSIBILITY OF SUCH DAMAGE.
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28 | 818bb9bf | Georgios D. Tsoukalas | #
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29 | 818bb9bf | Georgios D. Tsoukalas | # The views and conclusions contained in the software and
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30 | 818bb9bf | Georgios D. Tsoukalas | # documentation are those of the authors and should not be
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31 | 818bb9bf | Georgios D. Tsoukalas | # interpreted as representing official policies, either expressed
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32 | 818bb9bf | Georgios D. Tsoukalas | # or implied, of GRNET S.A.
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33 | 818bb9bf | Georgios D. Tsoukalas | |
34 | 818bb9bf | Georgios D. Tsoukalas | from urlparse import urlparse |
35 | 818bb9bf | Georgios D. Tsoukalas | from synnefo.lib.pool.http import get_http_connection |
36 | 818bb9bf | Georgios D. Tsoukalas | |
37 | 818bb9bf | Georgios D. Tsoukalas | class http_request(object): |
38 | 818bb9bf | Georgios D. Tsoukalas | |
39 | 818bb9bf | Georgios D. Tsoukalas | url = None
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40 | 818bb9bf | Georgios D. Tsoukalas | scheme = None
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41 | 818bb9bf | Georgios D. Tsoukalas | netloc = None
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42 | 818bb9bf | Georgios D. Tsoukalas | method = None
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43 | 818bb9bf | Georgios D. Tsoukalas | body = None
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44 | 818bb9bf | Georgios D. Tsoukalas | headers = None
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45 | 818bb9bf | Georgios D. Tsoukalas | |
46 | afe19961 | Georgios D. Tsoukalas | conn = None
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47 | afe19961 | Georgios D. Tsoukalas | response = None
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48 | afe19961 | Georgios D. Tsoukalas | |
49 | 818bb9bf | Georgios D. Tsoukalas | scheme_ports = { |
50 | 818bb9bf | Georgios D. Tsoukalas | 'http': '80', |
51 | 818bb9bf | Georgios D. Tsoukalas | 'https': '443', |
52 | 818bb9bf | Georgios D. Tsoukalas | } |
53 | 818bb9bf | Georgios D. Tsoukalas | |
54 | 818bb9bf | Georgios D. Tsoukalas | def __init__(self, url = None, |
55 | 818bb9bf | Georgios D. Tsoukalas | scheme = None,
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56 | 818bb9bf | Georgios D. Tsoukalas | params = None,
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57 | 818bb9bf | Georgios D. Tsoukalas | headers = None,
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58 | 818bb9bf | Georgios D. Tsoukalas | host = None,
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59 | 818bb9bf | Georgios D. Tsoukalas | port = None,
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60 | 818bb9bf | Georgios D. Tsoukalas | method = None,
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61 | 818bb9bf | Georgios D. Tsoukalas | **kw): |
62 | 818bb9bf | Georgios D. Tsoukalas | if url is None: |
63 | 818bb9bf | Georgios D. Tsoukalas | url = '/'
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64 | 818bb9bf | Georgios D. Tsoukalas | |
65 | 818bb9bf | Georgios D. Tsoukalas | if host is None or scheme is None: |
66 | 818bb9bf | Georgios D. Tsoukalas | p = urlparse(url) |
67 | 818bb9bf | Georgios D. Tsoukalas | netloc = p.netloc |
68 | 818bb9bf | Georgios D. Tsoukalas | if not netloc: |
69 | 818bb9bf | Georgios D. Tsoukalas | netloc = 'localhost'
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70 | 818bb9bf | Georgios D. Tsoukalas | scheme = p.scheme |
71 | 818bb9bf | Georgios D. Tsoukalas | if not scheme: |
72 | 818bb9bf | Georgios D. Tsoukalas | scheme = 'http'
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73 | 818bb9bf | Georgios D. Tsoukalas | params = '&'.join(params) if params is not None in kw else '' |
74 | 818bb9bf | Georgios D. Tsoukalas | query = p.query |
75 | 818bb9bf | Georgios D. Tsoukalas | if query or params: |
76 | 818bb9bf | Georgios D. Tsoukalas | query = '?' + query + params
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77 | 818bb9bf | Georgios D. Tsoukalas | url = p.path + p.params + query+ p.fragment |
78 | 818bb9bf | Georgios D. Tsoukalas | else:
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79 | 818bb9bf | Georgios D. Tsoukalas | host = host |
80 | 818bb9bf | Georgios D. Tsoukalas | port = port if port is not None else self.scheme_ports[scheme] |
81 | 818bb9bf | Georgios D. Tsoukalas | #NOTE: we force host:port as canonical form,
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82 | 818bb9bf | Georgios D. Tsoukalas | # lest we have a cache miss 'host' vs 'host:80'
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83 | 818bb9bf | Georgios D. Tsoukalas | netloc = "%s%s" % (host, port)
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84 | 818bb9bf | Georgios D. Tsoukalas | |
85 | 818bb9bf | Georgios D. Tsoukalas | self.netloc = netloc
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86 | 818bb9bf | Georgios D. Tsoukalas | self.url = url
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87 | 818bb9bf | Georgios D. Tsoukalas | self.scheme = scheme
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88 | 818bb9bf | Georgios D. Tsoukalas | self.kw = kw
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89 | 818bb9bf | Georgios D. Tsoukalas | |
90 | 818bb9bf | Georgios D. Tsoukalas | self.method = method if method is not None else 'GET' |
91 | 818bb9bf | Georgios D. Tsoukalas | |
92 | 818bb9bf | Georgios D. Tsoukalas | if 'body' in kw: |
93 | 818bb9bf | Georgios D. Tsoukalas | self.body = kw['headers'] |
94 | 818bb9bf | Georgios D. Tsoukalas | |
95 | 818bb9bf | Georgios D. Tsoukalas | if 'headers' in kw: |
96 | 818bb9bf | Georgios D. Tsoukalas | self.headers = kw['headers'] |
97 | 818bb9bf | Georgios D. Tsoukalas | |
98 | 818bb9bf | Georgios D. Tsoukalas | if kw.get('connect', True): |
99 | 818bb9bf | Georgios D. Tsoukalas | self.connect()
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100 | 818bb9bf | Georgios D. Tsoukalas | |
101 | 818bb9bf | Georgios D. Tsoukalas | def connect(self): |
102 | afe19961 | Georgios D. Tsoukalas | if self.conn is not None: |
103 | afe19961 | Georgios D. Tsoukalas | self.dismiss()
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104 | afe19961 | Georgios D. Tsoukalas | |
105 | 818bb9bf | Georgios D. Tsoukalas | conn = get_http_connection(netloc=self.netloc, scheme=self.scheme) |
106 | 818bb9bf | Georgios D. Tsoukalas | try:
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107 | 818bb9bf | Georgios D. Tsoukalas | kw = {} |
108 | 818bb9bf | Georgios D. Tsoukalas | body = self.body
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109 | 818bb9bf | Georgios D. Tsoukalas | if body is not None: |
110 | 818bb9bf | Georgios D. Tsoukalas | kw['body'] = body
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111 | 818bb9bf | Georgios D. Tsoukalas | headers = self.headers
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112 | 818bb9bf | Georgios D. Tsoukalas | if headers is not None: |
113 | 818bb9bf | Georgios D. Tsoukalas | kw['headers'] = headers
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114 | 818bb9bf | Georgios D. Tsoukalas | conn.request(self.method, self.url, **kw) |
115 | 818bb9bf | Georgios D. Tsoukalas | except:
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116 | 818bb9bf | Georgios D. Tsoukalas | conn.close() |
117 | 818bb9bf | Georgios D. Tsoukalas | raise
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118 | 818bb9bf | Georgios D. Tsoukalas | self.conn = conn
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119 | 818bb9bf | Georgios D. Tsoukalas | |
120 | 818bb9bf | Georgios D. Tsoukalas | def getresponse(self): |
121 | afe19961 | Georgios D. Tsoukalas | conn = self.conn
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122 | afe19961 | Georgios D. Tsoukalas | if conn is None: |
123 | afe19961 | Georgios D. Tsoukalas | self.connect()
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124 | afe19961 | Georgios D. Tsoukalas | conn = self.conn
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125 | afe19961 | Georgios D. Tsoukalas | response = self.conn.getresponse()
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126 | afe19961 | Georgios D. Tsoukalas | self.response = response
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127 | afe19961 | Georgios D. Tsoukalas | return response
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128 | afe19961 | Georgios D. Tsoukalas | |
129 | afe19961 | Georgios D. Tsoukalas | def dismiss(self): |
130 | afe19961 | Georgios D. Tsoukalas | conn = self.conn
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131 | afe19961 | Georgios D. Tsoukalas | if conn is not None: |
132 | afe19961 | Georgios D. Tsoukalas | conn.close() |
133 | afe19961 | Georgios D. Tsoukalas | conn.response = None
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