def request(self, url='', method = 'GET', data = None, parse=True, encoding=None):
"""Issue a HTTP request and parse CLAM XML response, this is a low-level function called by all of the higher-level communicaton methods in this class, use those instead"""
requestparams = self.initrequest(data)
if method == 'POST':
request = requests.post
elif method == 'DELETE':
request = requests.delete
elif method == 'PUT':
request = requests.put
else:
request = requests.get
r = request(self.url + url,**requestparams)
if encoding is not None:
r.encoding = encoding
if r.status_code == 400:
raise clam.common.data.BadRequest()
elif r.status_code == 401:
raise clam.common.data.AuthRequired()
elif r.status_code == 403:
content = r.text
if parse:
data = self._parse(content)
if data:
if data.errors:
print("DEBUG: errors found",file=sys.stderr)
error = data.parametererror()
print("DEBUG: parametererror=" + str(error),file=sys.stderr)
for parametergroup, parameters in data.parameters:
for parameter in parameters:
print("DEBUG: ", parameter.id, parameter.error,file=sys.stderr)
if error:
raise clam.common.data.ParameterError(error)
print(content,file=sys.stderr)
raise clam.common.data.PermissionDenied(data)
else:
raise clam.common.data.PermissionDenied(content)
else:
raise clam.common.data.PermissionDenied(content)
elif r.status_code == 404 and data:
raise clam.common.data.NotFound(r.text)
elif r.status_code == 500:
raise clam.common.data.ServerError(r.text)
elif r.status_code == 405:
raise clam.common.data.ServerError("Server returned 405: Method not allowed for " + method + " on " + self.url + url)
elif r.status_code == 408:
raise clam.common.data.TimeOut()
elif not (r.status_code >= 200 and r.status_code <= 299):
raise Exception("An error occured, return code " + str(r.status_code))
if parse:
return self._parse(r.text)
else:
return r.text
def _parse(self, content):
"""Parses CLAM XML data and returns a ``CLAMData`` object. For internal use. Raises `ParameterError` exception on parameter errors."""
if content.find('<clam') != -1:
data = clam.common.data.CLAMData(content,self, loadmetadata=self.loadmetadata)
if data.errors:
error = data.parametererror()
if error:
raise clam.common.data.ParameterError(error)
return data
else:
return True
def _parse(self, content):
"""Parses CLAM XML data and returns a ``CLAMData`` object. For internal use. Raises `ParameterError` exception on parameter errors."""
if content.find('<clam') != -1:
data = clam.common.data.CLAMData(content, self)
if data.errors:
error = data.parametererror()
if error:
raise clam.common.data.ParameterError(error)
return data
else:
return True
def request(self,
url='',
method='GET',
data=None,
parse=True,
encoding=None):
"""Issue a HTTP request and parse CLAM XML response, this is a low-level function called by all of the higher-level communication methods in this class, use those instead"""
requestparams = self.initrequest(data)
if method == 'POST':
request = requests.post
elif method == 'DELETE':
request = requests.delete
elif method == 'PUT':
request = requests.put
else:
request = requests.get
r = request(self.url + url, **requestparams)
if encoding is not None:
r.encoding = encoding
if r.status_code == 400:
raise clam.common.data.BadRequest()
elif r.status_code == 401:
raise clam.common.data.AuthRequired()
elif r.status_code == 403: #pylint: disable=too-many-nested-blocks
content = r.text
if parse:
data = self._parse(content)
if data is True:
#response is not XML
raise clam.common.data.PermissionDenied(content)
elif data:
if data.errors:
error = data.parametererror()
#print("DEBUG: parametererror=" + str(error),file=sys.stderr)
#for parametergroup, parameters in data.parameters: #pylint: disable=unused-variable
# for parameter in parameters:
# print("DEBUG: ", parameter.id, parameter.error,file=sys.stderr)
if error:
raise clam.common.data.ParameterError(error)
#print(content,file=sys.stderr)
raise clam.common.data.PermissionDenied(data)
else:
raise clam.common.data.PermissionDenied(content)
else:
raise clam.common.data.PermissionDenied(content)
elif r.status_code == 404 and data:
raise clam.common.data.NotFound(r.text)
elif r.status_code == 500:
raise clam.common.data.ServerError(r.text)
elif r.status_code == 405:
raise clam.common.data.ServerError(
"Server returned 405: Method not allowed for " + method +
" on " + self.url + url)
elif r.status_code == 408:
raise clam.common.data.TimeOut()
elif not (r.status_code >= 200 and r.status_code <= 299):
raise Exception("An error occured, return code " +
str(r.status_code))
if parse:
return self._parse(r.text)
else:
return r.text
