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# Copyright 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, self.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, self.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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from urlparse import urlparse |
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from synnefo.lib.pool.http import get_http_connection |
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class http_request(object): |
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url = None |
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scheme = None |
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netloc = None |
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method = None |
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body = None |
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headers = None |
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conn = None |
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response = None |
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scheme_ports = { |
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'http': '80', |
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'https': '443', |
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} |
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def __init__(self, url = None, |
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scheme = None, |
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params = None, |
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headers = None, |
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host = None, |
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port = None, |
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method = None, |
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**kw): |
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if url is None: |
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url = '/' |
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if host is None or scheme is None: |
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p = urlparse(url) |
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netloc = p.netloc |
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if not netloc: |
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netloc = 'localhost' |
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scheme = p.scheme |
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if not scheme: |
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scheme = 'http' |
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params = '&'.join(params) if params is not None in kw else '' |
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query = p.query |
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if query or params: |
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query = '?' + query + params |
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url = p.path + p.params + query+ p.fragment |
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else: |
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host = host |
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port = port if port is not None else self.scheme_ports[scheme] |
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#NOTE: we force host:port as canonical form, |
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# lest we have a cache miss 'host' vs 'host:80' |
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netloc = "%s%s" % (host, port) |
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self.netloc = netloc |
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self.url = url |
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self.scheme = scheme |
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self.kw = kw |
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self.method = method if method is not None else 'GET' |
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if 'body' in kw: |
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self.body = kw['headers'] |
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if 'headers' in kw: |
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self.headers = kw['headers'] |
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if kw.get('connect', True): |
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self.connect() |
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def connect(self): |
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if self.conn is not None: |
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self.dismiss() |
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conn = get_http_connection(netloc=self.netloc, scheme=self.scheme) |
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try: |
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kw = {} |
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body = self.body |
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if body is not None: |
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kw['body'] = body |
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headers = self.headers |
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if headers is not None: |
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kw['headers'] = headers |
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conn.request(self.method, self.url, **kw) |
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except: |
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conn.close() |
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raise |
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self.conn = conn |
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def getresponse(self): |
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conn = self.conn |
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if conn is None: |
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self.connect() |
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conn = self.conn |
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response = self.conn.getresponse() |
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self.response = response |
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return response |
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def dismiss(self): |
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conn = self.conn |
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if conn is not None: |
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conn.close() |
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conn.response = None |
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