added reading character from google sheet and fixed some bugs

surrounding rolling skills from the character sheet

users/sheet_reader.py

@@ -0,0 +1,53 @@
+from __future__ import print_function
+import pickle
+import os.path
+from googleapiclient.discovery import build
+from google_auth_oauthlib.flow import InstalledAppFlow
+from google.auth.transport.requests import Request
+
+# If modifying these scopes, delete the file token.pickle.
+SCOPES = ['https://www.googleapis.com/auth/spreadsheets.readonly']
+
+# The ID and range of a sample spreadsheet.
+SPREADSHEET_ID = '1aICR-owH6CENOJ7l5gnCZTYo9z1b-ddzi0fx0cKkvfI'
+RANGES = ['A12:C29', 'H12:J29', 'O20:Q23']
+
+def load_character(character):
+    """Shows basic usage of the Sheets API.
+    Prints values from a sample spreadsheet.
+    """
+    creds = None
+    # The file token.pickle stores the user's access and refresh tokens, and is
+    # created automatically when the authorization flow completes for the first
+    # time.
+    if os.path.exists('token.pickle'):
+        with open('token.pickle', 'rb') as token:
+            creds = pickle.load(token)
+    # If there are no (valid) credentials available, let the user log in.
+    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()
+        # Save the credentials for the next run
+        with open('token.pickle', 'wb') as token:
+            pickle.dump(creds, token)
+
+    service = build('sheets', 'v4', credentials=creds)
+
+    # Call the Sheets API
+    sheet = service.spreadsheets()
+    values = []
+    ranges = ['{}!{}'.format(character, r) for r in RANGES]
+    result = sheet.values().batchGet(spreadsheetId=SPREADSHEET_ID,
+                                    ranges=ranges).execute()
+    skills = dict()
+    for r in result.get('valueRanges', []):
+        for v in r.get('values', []):
+            if v:
+                skills[v[0]] = int(v[2])
+
+    return skills
+