add updating issue example (#1331)

Author: sreway

examples/jira/jira_edit_issue.py

@@ -0,0 +1,42 @@
+# coding=utf-8
+from atlassian import Jira
+
+""" Examples of updating a issue using operations """
+
+jira = Jira(url="https://jira.example.com/", username="admin", password="password")
+
+""" Adding a labels """
+
+labels = ["example", "atlassian"]
+
+fields = {"labels": [{"add": label} for label in labels]}
+
+jira.edit_issue(issue_id_or_key="ABC-123", fields=fields)
+
+""" Adding a labels and removing another """
+
+add_labels = ["team", "jira"]
+remove_labels = ["example", "atlassian"]
+
+fields = {"labels": [{"add": label} for label in add_labels] + [{"remove": label} for label in remove_labels]}
+
+jira.edit_issue(issue_id_or_key="ABC-123", fields=fields)
+
+""" Setting the assignee """
+
+fields = {"assignee": [{"set": {"name": "bob"}}]}
+
+jira.edit_issue(issue_id_or_key="ABC-123", fields=fields)
+
+
+""" Setting the assignee without notification """
+
+fields = {"assignee": [{"set": {"name": "alice"}}]}
+
+jira.edit_issue(issue_id_or_key="ABC-123", fields=fields, notify_users=False)
+
+""" Manipulating multiple fields """
+
+fields = {"assignee": [{"set": {"name": "bob"}}], "summary": [{"set": "new summary"}], "labels": [{"add": "blog"}]}
+
+jira.edit_issue(issue_id_or_key="ABC-123", fields=fields)