Add custom field editing (atlassian-api#1106)

* Added get and add values for custom fields in Jira

* Fixed resource_url when an api number is given

* Fixed Black and Flake8 Errors

* Fixed Black warnings

Author: PaulBigPay

atlassian/jira.py

@@ -583,6 +583,42 @@ def create_custom_field(self, name, type, search_key=None, description=None):
             data["description"] = description
         return self.post(url, data=data)
 
+    def get_custom_field_option_context(self, field_id, context_id):
+        """
+        Gets the current values of a custom field
+        :param field_id:
+        :param context_id:
+        :return:
+
+        Reference: https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-issue-custom-field-options/#api-rest-api-2-field-fieldid-context-contextid-option-get
+        """
+        url = self.resource_url(
+            "field/{field_id}/context/{context_id}/option".format(field_id=field_id, context_id=context_id),
+            api_version=2,
+        )
+        return self.get(url)
+
+    def add_custom_field_option(self, field_id, context_id, options):
+        """
+         Adds the values given to the custom field
+         Administrator permission required
+         :param field_id:
+         :param context_id:
+         :param options: List of values to be added
+         :return:
+
+        Reference: https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-issue-custom-field-options/#api-rest-api-2-field-fieldid-context-contextid-option-post
+        """
+        data = {"options": []}
+        for i in options:
+            data["options"].append({"disabled": "false", "value": i})
+
+        url = self.resource_url(
+            "field/{field_id}/context/{context_id}/option".format(field_id=field_id, context_id=context_id),
+            api_version=2,
+        )
+        return self.post(url, data=data)
+
     """
     Dashboards
     Reference: https://docs.atlassian.com/software/jira/docs/api/REST/8.5.0/#api/2/dashboard

atlassian/rest_client.py

@@ -173,7 +173,7 @@ def resource_url(self, resource, api_root=None, api_version=None):
             api_root = self.api_root
         if api_version is None:
             api_version = self.api_version
-        return "/".join(s.strip("/") for s in [api_root, api_version, resource] if s is not None)
+        return "/".join(str(s).strip("/") for s in [api_root, api_version, resource] if s is not None)
 
     @staticmethod
     def url_joiner(url, path, trailing=None):