python read file from google drive code example

Example 1: python google drive

''' 
1) pip3 install pydrive
2) https://pythonhosted.org/PyDrive/quickstart.html
	check autentication and follow istruction in above site
3) Run code for first autentication
'''
from pydrive.auth import GoogleAuth

gauth = GoogleAuth()
gauth.LocalWebserverAuth()
'''
4) select account and give permissions
5) now you're ready
'''
from pydrive.auth import GoogleAuth
from pydrive.drive import GoogleDrive

gauth = GoogleAuth()
#gauth.LocalWebserverAuth() # Creates local webserver and auto handles authentication.

drive = GoogleDrive(gauth)

file1 = drive.CreateFile({'title': 'file_name.extention'})  # Create GoogleDriveFile instance with title 'Hello.txt'.
file1.SetContentFile('file_path') # Set content of the file from given string.
#file.SetContentString('string to put inside file') 
file1.Upload()

Example 2: python download file from google drive

def download_file_from_google_drive(id, destination):
    URL = "https://docs.google.com/uc?export=download"

    session = requests.Session()

    response = session.get(URL, params = { 'id' : id }, stream = True)
    token = get_confirm_token(response)

    if token:
        params = { 'id' : id, 'confirm' : token }
        response = session.get(URL, params = params, stream = True)

    save_response_content(response, destination)    

def get_confirm_token(response):
    for key, value in response.cookies.items():
        if key.startswith('download_warning'):
            return value

    return None

def save_response_content(response, destination):
    CHUNK_SIZE = 32768

    with open(destination, "wb") as f:
        for chunk in response.iter_content(CHUNK_SIZE):
            if chunk: # filter out keep-alive new chunks
                f.write(chunk)

                
file_id = '0B1fGSuBXAh1IeEpzajRISkNHckU'
destination = '/home/myusername/work/myfile.ext'
download_file_from_google_drive(file_id, destination)