96 lines
3.6 KiB
Python
96 lines
3.6 KiB
Python
from google.oauth2.service_account import Credentials
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import gspread
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import os
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import pandas as pd
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import requests
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import re
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def get_spreadsheet(read_only=False):
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"""
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Get the main Google Spreadsheet using credentials and URL from environment variables
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Args:
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read_only (bool): If True, uses public CSV export when credentials are missing
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"""
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spreadsheet_url = os.getenv("SPREADSHEET_URL")
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if not spreadsheet_url:
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raise ValueError("SPREADSHEET_URL environment variable is not set")
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# Check for credentials
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if not os.path.exists('credentials.json'):
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if read_only:
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return ReadOnlySpreadsheet(spreadsheet_url)
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else:
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raise FileNotFoundError("credentials.json not found. Use read_only=True for read-only access.")
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# Normal authenticated access
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scope = ["https://spreadsheets.google.com/feeds", "https://www.googleapis.com/auth/drive"]
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credentials = Credentials.from_service_account_file('credentials.json', scopes=scope)
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client = gspread.authorize(credentials)
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spreadsheet = client.open_by_url(spreadsheet_url)
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return spreadsheet
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class ReadOnlySpreadsheet:
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"""Read-only wrapper for Google Sheets using public CSV export"""
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def __init__(self, spreadsheet_url):
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self.spreadsheet_url = spreadsheet_url
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self.sheet_id = self._extract_sheet_id(spreadsheet_url)
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def _extract_sheet_id(self, url):
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"""Extract sheet ID from Google Sheets URL"""
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match = re.search(r'/spreadsheets/d/([a-zA-Z0-9-_]+)', url)
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if not match:
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raise ValueError("Invalid Google Sheets URL")
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return match.group(1)
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def worksheet(self, title):
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"""Return a read-only worksheet"""
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return ReadOnlyWorksheet(self.sheet_id, title)
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class ReadOnlyWorksheet:
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"""Read-only worksheet that fetches data via CSV export"""
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def __init__(self, sheet_id, title):
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self.sheet_id = sheet_id
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self.title = title
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def get_all_records(self):
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"""Get all records from the worksheet as a list of dictionaries"""
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try:
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# Use the public CSV export URL
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csv_url = f"https://docs.google.com/spreadsheets/d/{self.sheet_id}/gviz/tq?tqx=out:csv&sheet={self.title}"
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response = requests.get(csv_url, timeout=30)
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response.raise_for_status()
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# Read CSV data into DataFrame
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from io import StringIO
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df = pd.read_csv(StringIO(response.text))
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# Convert to list of dictionaries (same format as gspread)
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return df.to_dict('records')
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except Exception as e:
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print(f"Warning: Could not fetch data from sheet '{self.title}': {e}")
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return []
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def get_all_values(self):
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"""Get all values from the worksheet as a list of lists"""
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try:
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csv_url = f"https://docs.google.com/spreadsheets/d/{self.sheet_id}/gviz/tq?tqx=out:csv&sheet={self.title}"
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response = requests.get(csv_url, timeout=30)
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response.raise_for_status()
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# Read CSV and return as list of lists
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from io import StringIO
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df = pd.read_csv(StringIO(response.text))
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# Include headers and convert to list of lists
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headers = [df.columns.tolist()]
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data = df.values.tolist()
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return headers + data
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except Exception as e:
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print(f"Warning: Could not fetch data from sheet '{self.title}': {e}")
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return [] |