hooks: add hook for googleapiclient.model

[rokm]

The googleapiclient.model module uses pkg_resources and its get_distribution() function to query the version of google-api-python-client package, therefore we need to collect its metadata.

Fixes pyinstaller/pyinstaller#5332.
Fixes #14.

[rokm]

One-shot tests: https://github.com/rokm/pyinstaller-hooks-contrib/actions/runs/457848829

[sirdeniel]

Hi, I really appreciate this hook. I'm using Blogger API on my project but raises error due to NoneType when calling build().
Example code is:

from googleapiclient.discovery import build
from oauth2client.service_account import ServiceAccountCredentials
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

CLIENT_CONFIG = {
    "installed": {
        "client_id": "xxxxx-xxxxxxx.apps.googleusercontent.com",
        "project_id": "xxxxxxxxx",
        "auth_uri": "https://accounts.google.com/o/oauth2/auth",
        "token_uri": "https://oauth2.googleapis.com/token",
        "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
        "client_secret": "xxxxxxxxxxxxxxxx",
        "redirect_uris": [
            "urn:ietf:wg:oauth:2.0:oob",
            "http://localhost"
        ]
    }
}
SCOPES = ['https://www.googleapis.com/auth/blogger']
try:
    flow = InstalledAppFlow.from_client_config(CLIENT_CONFIG, SCOPES) # this opens default browser to login
    auth_credentials = flow.run_local_server(success_message="You can close this window now") # if not accepted... what happens?
    blogger_service = build('blogger', 'v3', credentials=auth_credentials) # here happens the error
except Exception as e:
    print("Some error happened")
    print(e) # prints -> name: blogger version: v3

Looking at the code for the build() method, it happens there is a None value returned and it's only on the Pyinstaller project.
After some clues on SO and my own findings, these two lines are needed

# adding googleapiclient.discovery correctly
from PyInstaller.utils.hooks import collect_data_files
datas += collect_data_files('googleapiclient.discovery', include_py_files=True, excludes=['*.txt', '**/__pycache__'])

Now it works as I needed for blogger, I guess it'll work for other services than Blogger. Hope this helps.
I'm thinking to make a PR but I'm a noob on this stuff.

[bwoodsend]

Eek @Legorooj we haven't done a release since Novermber...

[Legorooj]

Actually I manually released it a day or 2 ago. Forgot to tag it in the repo though 😬.