Adds integration with Google Calendar: includes API configuration, event management nodes, and project structure in the README

cookbook/pocketflow-google-calendar/utils/google_calendar.py

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+from google.oauth2.credentials import Credentials
+from google_auth_oauthlib.flow import InstalledAppFlow
+from google.auth.transport.requests import Request
+from googleapiclient.discovery import build
+import os.path
+import os
+import pickle
+from datetime import datetime, timedelta
+from dotenv import load_dotenv
+
+load_dotenv()
+
+CALENDAR_ID = os.getenv('GOOGLE_CALENDAR_ID')
+GOOGLE_APPLICATION_CREDENTIALS = os.getenv('GOOGLE_APPLICATION_CREDENTIALS')
+TIMEZONE = os.getenv('TIMEZONE')
+
+SCOPES = ['https://www.googleapis.com/auth/calendar']
+
+def get_calendar_service():
+    """Gets the authenticated Google Calendar service."""
+    creds = None
+    if os.path.exists('token.pickle'):
+        with open('token.pickle', 'rb') as token:
+            creds = pickle.load(token)
+    
+    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(
+                GOOGLE_APPLICATION_CREDENTIALS, SCOPES)
+            creds = flow.run_local_server(port=0)
+        with open('token.pickle', 'wb') as token:
+            pickle.dump(creds, token)
+
+    return build('calendar', 'v3', credentials=creds)
+
+def create_event(summary, description, start_time, end_time, timezone=TIMEZONE):
+    """Creates a new event in Google Calendar."""
+    service = get_calendar_service()
+    
+    event = {
+        'summary': summary,
+        'description': description,
+        'start': {
+            'dateTime': start_time.isoformat(),
+            'timeZone': timezone,
+        },
+        'end': {
+            'dateTime': end_time.isoformat(),
+            'timeZone': timezone,
+        },
+    }
+
+    event = service.events().insert(calendarId=CALENDAR_ID, body=event).execute()
+    return event
+
+def list_events(days=7):
+    """Lists events for the next X days."""
+    service = get_calendar_service()
+    
+    now = datetime.utcnow()
+    time_min = now.isoformat() + 'Z'
+    time_max = (now + timedelta(days=days)).isoformat() + 'Z'
+
+    events_result = service.events().list(
+        calendarId=CALENDAR_ID,
+        timeMin=time_min,
+        timeMax=time_max,
+        singleEvents=True,
+        orderBy='startTime'
+    ).execute()
+    
+    return events_result.get('items', [])
+
+def create_custom_calendar(calendar_name, description=""):
+    """Creates a new custom calendar in Google Calendar."""
+    service = get_calendar_service()
+    
+    calendar = {
+        'summary': calendar_name,
+        'description': description,
+        'timeZone': TIMEZONE
+    }
+
+    created_calendar = service.calendars().insert(body=calendar).execute()
+    return created_calendar
+
+def list_calendar_lists():
+    """Lists all available calendars for the user."""
+    service = get_calendar_service()
+    
+    calendar_list = service.calendarList().list().execute()
+    return calendar_list.get('items', [])