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file transferring between Google Colab VM and Google Drive
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# !pip install -U -q PyDrive
from pydrive.auth import GoogleAuth
from import GoogleDrive
from google.colab import auth
from oauth2client.client import GoogleCredentials
import os
import subprocess
from pathlib import Path
__all__ = [
def create_archive(zip_name, local_file_paths, temp_folder='/tmp', verbose=False):
zip_name = '{0}/{1}'.format(temp_folder, zip_name) + '.tar.gz' * ('.tar.gz' not in zip_name)
# Filter out non-existing files and directorys
zipped_files = []
for f in local_file_paths:
if not Path(f).exists():
print('file {0} does not exist, ignore it'.format(f))
# Find common prefix to avoid a too many level folders
common_prefix = ''
for chars in zip(*zipped_files):
if len(set(chars)) == 1:
common_prefix += chars[0]
common_prefix = '/'.join(common_prefix.split('/')[:-1]) + '/'
# Excuting tar.gz format compression
L = len(common_prefix)
zipped_files = ' '.join([f[L:] for f in zipped_files])
cmd = 'tar -czvf {0} -C {1} {2}'.format(zip_name, common_prefix, zipped_files)
if verbose:
print('ignore the common prefix {0}'.format(common_prefix))
print('running shell command:','\n'+cmd)
result = subprocess.check_output(cmd, shell=True).decode('utf-8')
if verbose: print(result)
# Return absolute path of the tar.gz file
return zip_name
def extract_archive(zip_path, target_folder='./', verbose=False):
cmd = 'tar -xf {0} -C {1}'.format(zip_path, target_folder)
if verbose: print('running shell command:','\n'+cmd)
result = subprocess.check_output(cmd, shell=True).decode('utf-8')
if verbose: print(result)
class GoogleDriveHandler:
def __init__(self):
gauth = GoogleAuth()
gauth.credentials = GoogleCredentials.get_application_default() = GoogleDrive(gauth)
def path_to_id(self, rel_path, parent_folder_id='root'):
rel_path = '/'.join(list(filter(len, rel_path.split('/'))))
if rel_path == '':
return parent_folder_id
first, *rest = list(filter(len, rel_path.split('/')))
file_dict = {f['title']:f for f in self.list_folder(parent_folder_id)}
if first not in file_dict:
raise Exception('{0} not exist'.format(first))
return self.path_to_id('/'.join(rest), file_dict[first]['id'])
def list_folder(self, root_folder_id='root', max_depth=0):
query = "'{0}' in parents and trashed=false".format(root_folder_id)
file_list, folder_type = [], 'application/'
for f in{'q': query}).GetList():
if f['mimeType'] == folder_type and max_depth > 0:
'title': f['title'],
'id': f['id'],
'link': f['alternateLink'],
'mimeType': f['mimeType'],
'children': self.list_folder(f['id'], max_depth-1)
'id': f['id'],
'mimeType': f['mimeType']
return file_list
def create_folder(self, folder_name, parent_path=''):
parent_folder_id = self.path_to_id(parent_path)
folder_type = 'application/'
file_dict = {f['title']:f for f in self.list_folder(parent_folder_id)}
if folder_name not in file_dict:
folder_metadata = {
'title' : folder_name,
'mimeType' : folder_type,
'parents': [{'kind': 'drive#fileLink', 'id': parent_folder_id}]
folder =
return folder['id']
if file_dict[folder_name]['mimeType'] != folder_type:
raise Exception('{0} already exists as a file'.format(folder_name))
print('{0} already exists'.format(folder_name))
return file_dict[folder_name]['id']
def upload(self, local_file_path, parent_path='', overwrite=True):
parent_folder_id = self.path_to_id(parent_path)
file_dict = {f['title']:f for f in self.list_folder(parent_folder_id)}
file_name = local_file_path.split('/')[-1]
if file_name in file_dict and overwrite:
file =
'title': file_name,
'parents': [{'kind': 'drive#fileLink', 'id': parent_folder_id}]
return file['id']
def download(self, local_file_path, target_path):
target_id = self.path_to_id(target_path)
file ={'id': target_id})

Run these codes first in order to install the necessary libraries and perform authorization.

!apt-get install -y -qq software-properties-common python-software-properties module-init-tools
!add-apt-repository -y ppa:alessandro-strada/ppa 2>&1 > /dev/null
!apt-get update -qq 2>&1 > /dev/null
!apt-get -y install -qq google-drive-ocamlfuse fuse
from google.colab import auth
from oauth2client.client import GoogleCredentials
creds = GoogleCredentials.get_application_default()
import getpass
!google-drive-ocamlfuse -headless -id={creds.client_id} -secret={creds.client_secret} < /dev/null 2>&1 | grep URL
vcode = getpass.getpass()
!echo {vcode} | google-drive-ocamlfuse -headless -id={creds.client_id} -secret={creds.client_secret}

Click the link, copy verification code and paste it to text box. After completion of the authorization process,

mount your Google Drive:

!mkdir -p drive
!google-drive-ocamlfuse drive

There are several approaches

  • Mount Google Drive in local Colab VM
  • Upload and download via browser
  • Use in python script
from google.colab import files
# Upload local files to Colab VM
uploaded = files.upload()
# Download Colab VM fiels to local'target_file_name')
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