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__author__ = 'bromix'
import urllib
import urllib2
from StringIO import StringIO
import gzip
import json as real_json
class ErrorHandler(urllib2.HTTPDefaultErrorHandler):
def http_error_default(self, req, fp, code, msg, hdrs):
infourl = urllib.addinfourl(fp, hdrs, req.get_full_url())
infourl.status = code
infourl.code = code
return infourl
class NoRedirectHandler(urllib2.HTTPRedirectHandler):
def http_error_302(self, req, fp, code, msg, headers):
infourl = urllib.addinfourl(fp, headers, req.get_full_url())
infourl.status = code
infourl.code = code
return infourl
http_error_300 = http_error_302
http_error_301 = http_error_302
http_error_303 = http_error_302
http_error_307 = http_error_302
class Response():
def __init__(self):
self.headers = {}
self.code = -1
self.text = u''
self.status_code = -1
def read(self):
return self.text
def json(self):
return real_json.loads(self.text)
def _request(method, url,
params=None,
data=None,
headers=None,
cookies=None,
files=None,
auth=None,
timeout=None,
allow_redirects=False,
proxies=None,
hooks=None,
stream=None,
verify=None,
cert=None,
json=None):
if not headers:
headers = {}
url = urllib.quote(url, safe="%/:=&?~#+!$,;'@()*[]")
handlers = []
import sys
# starting with python 2.7.9 urllib verifies every https request
if False == verify and sys.version_info >= (2, 7, 9):
import ssl
ssl_context = ssl.create_default_context()
ssl_context.check_hostname = False
ssl_context.verify_mode = ssl.CERT_NONE
handlers.append(urllib2.HTTPSHandler(context=ssl_context))
# handlers.append(urllib2.HTTPCookieProcessor())
# handlers.append(ErrorHandler)
if not allow_redirects:
handlers.append(NoRedirectHandler)
opener = urllib2.build_opener(*handlers)
query = ''
if params:
for key in params:
value = params[key]
if isinstance(value, str):
value = value.decode('utf-8')
params[key] = value.encode('utf-8')
query = urllib.urlencode(params)
if query:
url += '?%s' % query
request = urllib2.Request(url)
if headers:
for key in headers:
request.add_header(key, str(unicode(headers[key]).encode('utf-8')))
if data or json:
if headers.get('Content-Type', '').startswith('application/x-www-form-urlencoded') or data:
# transform a string into a map of values
if isinstance(data, basestring):
_data = data.split('&')
data = {}
for item in _data:
name, value = item.split('=')
data[name] = value
# encode each value
for key in data:
data[key] = data[key]
if isinstance(data[key], unicode):
data[key] = data[key].encode('utf-8')
# urlencode
request.data = urllib.urlencode(data)
elif headers.get('Content-Type', '').startswith('application/json') and data:
request.data = real_json.dumps(data).encode('utf-8')
elif json:
request.data = real_json.dumps(json).encode('utf-8')
else:
if not isinstance(data, basestring):
data = str(data)
if isinstance(data, str):
data = data.encode('utf-8')
request.data = data
elif method.upper() in ['POST', 'PUT']:
request.data = "null"
request.get_method = lambda: method
result = Response()
response = None
try:
response = opener.open(request, timeout=timeout)
except urllib2.HTTPError as e:
# HTTPError implements addinfourl, so we can use the exception to construct a response
if isinstance(e, urllib2.addinfourl):
response = e
# process response
result.headers.update(response.headers)
result.status_code = response.getcode()
if response.headers.get('Content-Encoding', '').startswith('gzip'):
buf = StringIO(response.read())
f = gzip.GzipFile(fileobj=buf)
result.text = f.read()
elif stream:
return result
else:
result.text = response.read()
return result
def get(url, **kwargs):
kwargs.setdefault('allow_redirects', True)
return _request('GET', url, **kwargs)
def post(url, data=None, json=None, **kwargs):
kwargs.setdefault('allow_redirects', True)
return _request('POST', url, data=data, json=json, **kwargs)
def put(url, data=None, json=None, **kwargs):
return _request('PUT', url, data=data, json=json, **kwargs)
def delete(url, **kwargs):
return _request('DELETE', url, **kwargs)
def head(url, **kwargs):
return _request('HEAD', url, **kwargs)
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