def _getObjectIdField(self):
""" sets the object id field for the feature service """
params = {"f": "json", "token": self._token}
fsURL = self._url + "?" + urllib.urlencode(params)
result = urllib.urlopen(fsURL).read()
json_data = unicode_convert(json.loads(result)["objectIdField"])
self._objectIdField = json_data
def _do_get(self, url, param_dict, header={}):
""" performs a get operation """
url = url + "?%s" % urllib.urlencode(param_dict)
request = urllib2.Request(url, headers=header)
result = urllib2.urlopen(request).read()
jres = json.loads(result)
return unicode_convert(jres)
def _do_get(self, url, param_dict, header={}):
""" performs a get operation """
url = url + "?%s" % urllib.urlencode(param_dict)
request = urllib2.Request(url, headers=header)
result = urllib2.urlopen(request).read()
jres = json.loads(result)
return unicode_convert(jres)
def _getGeometryType(self):
""" if the value is None for _geometryType, this will set it from the
serivce
"""
params = {"f": "json", "token": self._token}
fsURL = self._url + "?" + urllib.urlencode(params)
result = urllib.urlopen(fsURL).read()
json_data = unicode_convert(json.loads(result)["geometryType"])
self._geometryType = json_data
def _getSpatialReference(self):
""" sets the feature service spatial reference """
#"spatialReference"
fURL = os.path.dirname(self._url)
params = {"f": "json", "token": self._token}
fsURL = fURL + "?" + urllib.urlencode(params)
result = urllib.urlopen(fsURL).read()
json_data = json.loads(result)
self._spatialReference = unicode_convert(json_data["spatialReference"])
def _getObjectIdField(self):
""" sets the object id field for the feature service """
params = {"f" : "json",
"token" : self._token
}
fsURL = self._url + "?" + urllib.urlencode(params)
result = urllib.urlopen(fsURL).read()
json_data = unicode_convert(json.loads(result)["objectIdField"])
self._objectIdField = json_data
def _getFields(self):
""" returns the feature class's fields """
params = {"f": "json",
"where": "1=1",
"token": self._token,
"outFields": "*"}
fURL = self._url + "?" + urllib.urlencode(params)#/query
result = urllib.urlopen(fURL).read()
jobj = unicode_convert(json.loads(result))
return jobj['fields']
def _getGeometryType(self):
""" if the value is None for _geometryType, this will set it from the
serivce
"""
params = {"f" : "json",
"token" : self._token
}
fsURL = self._url + "?" + urllib.urlencode(params)
result = urllib.urlopen(fsURL).read()
json_data = unicode_convert(json.loads(result)["geometryType"])
self._geometryType = json_data
def _getSpatialReference(self):
""" sets the feature service spatial reference """
#"spatialReference"
fURL = os.path.dirname(self._url)
params = {"f" : "json",
"token" : self._token
}
fsURL = fURL + "?" + urllib.urlencode(params)
result = urllib.urlopen(fsURL).read()
json_data = json.loads(result)
self._spatialReference = unicode_convert(json_data["spatialReference"])
def _getFields(self):
""" returns the feature class's fields """
params = {
"f": "json",
"where": "1=1",
"token": self._token,
"outFields": "*"
}
fURL = self._url + "?" + urllib.urlencode(params) #/query
result = urllib.urlopen(fURL).read()
jobj = unicode_convert(json.loads(result))
return jobj['fields']
def addAttachment(self, oid, file_path):
""" Adds an attachment to a feature service """
if self.supportsAttachment == True:
attachURL = self.url + "/%s/addAttachment" % oid
obj = {'token': self._token,'f':'json'}
content = open(file_path, 'rb').read()
parsed = urlparse.urlparse(attachURL)
res = self._post_multipart(host=parsed.hostname,
selector=parsed.path,
filename=os.path.basename(file_path),
filetype=mimetypes.guess_type(file_path)[0],
content=content,
fields=obj)
return unicode_convert(json.loads(res))
else:
return "Attachments are not supported for this feature service."
def addAttachment(self, oid, file_path):
""" Adds an attachment to a feature service """
if self.supportsAttachment == True:
attachURL = self.url + "/%s/addAttachment" % oid
obj = {'token': self._token, 'f': 'json'}
content = open(file_path, 'rb').read()
parsed = urlparse.urlparse(attachURL)
res = self._post_multipart(
host=parsed.hostname,
selector=parsed.path,
filename=os.path.basename(file_path),
filetype=mimetypes.guess_type(file_path)[0],
content=content,
fields=obj)
return unicode_convert(json.loads(res))
else:
return "Attachments are not supported for this feature service."
def query(self, sql="1=1", fields="*", returnShapefile=False, out_fc=None):
""" queries a feature service based on a sql statement
Inputs:
service_url - query URL of the feature service
URL should be formatted as http(s)://<base_url/query
example: http://sampleserver5.arcgisonline.com/arcgis/rest/services/CommercialDamageAssessment/FeatureServer/0/query
token - string - sercurity token for service
sql - string - Query statement
fields - string - comma seperated string of fields names, * returns all
Output:
Dictionary
"""
params = {"f": "json",
"where": sql,
"outFields":fields,
"token": self._token}
fURL = self._url + "/query?" + urllib.urlencode(params)
result = "%s" % urllib.urlopen(fURL).read()
js = unicode_convert(json.loads(result))
if returnShapefile:
return Utilities.dictionary_to_feature_class(js, out_fc)
return js
def query(self, sql="1=1", fields="*", returnShapefile=False, out_fc=None):
""" queries a feature service based on a sql statement
Inputs:
service_url - query URL of the feature service
URL should be formatted as http(s)://<base_url/query
example: http://sampleserver5.arcgisonline.com/arcgis/rest/services/CommercialDamageAssessment/FeatureServer/0/query
token - string - sercurity token for service
sql - string - Query statement
fields - string - comma seperated string of fields names, * returns all
Output:
Dictionary
"""
params = {
"f": "json",
"where": sql,
"outFields": fields,
"token": self._token
}
fURL = self._url + "/query?" + urllib.urlencode(params)
result = "%s" % urllib.urlopen(fURL).read()
js = unicode_convert(json.loads(result))
if returnShapefile:
return Utilities.dictionary_to_feature_class(js, out_fc)
return js
def _do_post(self, url, param_dict):
""" performs the POST operation and returns dictionary result """
request = urllib2.Request(url, urllib.urlencode(param_dict))
result = urllib2.urlopen(request).read()
jres = json.loads(result)
return unicode_convert(jres)
def _do_post(self, url, param_dict):
""" performs the POST operation and returns dictionary result """
request = urllib2.Request(url, urllib.urlencode(param_dict))
result = urllib2.urlopen(request).read()
jres = json.loads(result)
return unicode_convert(jres)