Adding a script to test retrieval of calendar events

.gitignore

@@ -1 +1,2 @@
 credentials.json
+token.json

complex_gcalendar_test.py

@@ -10,7 +10,7 @@ from googleapiclient.discovery import build
 from googleapiclient.errors import HttpError
 from pprint import pprint
 
-SCOPES = ['https://www.googleapis.comd/auth/calendar.readonly']
+SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
 
 def authorize():
     creds = None

get_calendar_events.py

@@ -0,0 +1,89 @@
+from __future__ import print_function
+
+import datetime
+import os.path
+import argparse
+
+from google.auth.transport.requests import Request
+from google.oauth2.credentials import Credentials
+from google_auth_oauthlib.flow import InstalledAppFlow
+from googleapiclient.discovery import build
+from googleapiclient.errors import HttpError
+from pprint import pprint
+
+SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
+
+def authorize():
+    creds = None
+
+    if os.path.exists('token.json'):
+        creds = Credentials.from_authorized_user_file('token.json', SCOPES)
+
+    if not creds or not creds.valid:
+        if creds and creds.expired and creds.refresh_token:
+            creds.refresh(Request())
+        else:
+            flow = InstalledAppFlow.from_client_secrets_file('credentials.json', SCOPES)
+            creds = flow.run_local_server(port=7384)
+
+        with open('token.json', 'w') as token:
+            token.write(creds.to_json())
+
+    return creds
+
+def construct_calendar_service(creds):
+    return build('calendar', 'v3', credentials=creds)
+
+def list_all_calendars(calendar_service):
+    page_token = None
+    list_of_entries = []
+
+    while True:
+        calendar_list = calendar_service.calendarList().list(pageToken=page_token).execute()
+        
+        list_of_entries.extend(calendar_list['items'])
+
+        page_token = calendar_list.get('nextPageToken')
+
+        if not page_token:
+            break
+
+    return list_of_entries
+
+def get_calendar_events(calendar_service, calendar_id, num_events):
+    now = datetime.datetime.utcnow().isoformat() + "Z"
+
+    events_result = calendar_service.events().list(
+        calendarId=calendar_id,
+        timeMin=now,
+        maxResults=num_events,
+        singleEvents=True,
+        orderBy='startTime'
+    ).execute()
+
+    events = events_result.get('items', [])
+
+    return events
+
+def main():
+    argument_parser = argparse.ArgumentParser()
+    argument_parser.add_argument('calendarname', help="The calendar name you want to see events from")
+    argument_parser.add_argument('numberofevents', help="The number of events to return")
+    parsed_args = argument_parser.parse_args()
+
+    creds = authorize()
+
+    service = construct_calendar_service(creds)
+
+    all_calendars = list_all_calendars(service)
+
+    for element in all_calendars:
+        if element["summary"] == parsed_args.calendarname:
+            events = get_calendar_events(service, element["id"], parsed_args.numberofevents)
+
+            pprint(events)
+
+            break
+
+if __name__ == '__main__':
+    main()