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import datetime
import io
import json
import os
from google.oauth2 import service_account
from googleapiclient.discovery import build
from googleapiclient.http import MediaIoBaseDownload
class GDriveUtils:
LOG_EVENTS = True
@staticmethod
def get_gdrive_service(creds_stringified: str | None = None):
SCOPES = ["https://www.googleapis.com/auth/drive"]
if not creds_stringified:
print(
"Attempting to use google drive creds from environment variable"
) if GDriveUtils.LOG_EVENTS else None
creds_stringified = os.getenv("GOOGLE_SERVICE_ACC_CREDS")
creds_dict = json.loads(creds_stringified)
creds = service_account.Credentials.from_service_account_info(
creds_dict, scopes=SCOPES
)
return build("drive", "v3", credentials=creds)
@staticmethod
def upload_file_to_gdrive(
local_file_path,
drive_parent_folder_id: str,
drive_filename: str | None = None,
creds_stringified: str | None = None,
) -> str:
service = GDriveUtils.get_gdrive_service(creds_stringified)
if not drive_filename:
drive_filename = os.path.basename(local_file_path)
file_metadata = {
"name": drive_filename,
"parents": [drive_parent_folder_id],
}
file = (
service.files()
.create(body=file_metadata, media_body=local_file_path)
.execute()
)
print(
"File uploaded, drive file id: ", file.get("id")
) if GDriveUtils.LOG_EVENTS else None
return file.get("id")
@staticmethod
def upload_file_to_gdrive_sanity_check(
drive_parent_folder_id: str,
creds_stringified: str | None = None,
):
try:
curr_time_utc = datetime.datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
file_name = f"gdrive_upload_test_{curr_time_utc}_UTC.txt"
print(
"Creating local file to upload: ", file_name
) if GDriveUtils.LOG_EVENTS else None
with open(file_name, "w") as f:
f.write(f"gdrive_upload_test_{curr_time_utc}_UTC")
return GDriveUtils.upload_file_to_gdrive(
file_name, drive_parent_folder_id, creds_stringified=creds_stringified
)
except Exception as e:
raise e
finally:
if os.path.exists(file_name):
print(
"Deleting local file: ", file_name
) if GDriveUtils.LOG_EVENTS else None
os.remove(file_name)
@staticmethod
def download_file_from_gdrive(
drive_file_id: str,
local_file_path: str | None = None,
creds_stringified: str | None = None,
):
service = GDriveUtils.get_gdrive_service(creds_stringified)
drive_filename = service.files().get(fileId=drive_file_id, fields="name").execute().get('name')
if not local_file_path:
local_file_path = f"{drive_file_id}_{drive_filename}"
request = service.files().get_media(fileId=drive_file_id)
file = io.BytesIO()
downloader = MediaIoBaseDownload(file, request, chunksize= 25 * 1024 * 1024)
done = False
while done is False:
status, done = downloader.next_chunk()
print(f"Downloading gdrive file {drive_filename} to local file {local_file_path}: {int(status.progress() * 100)}%.") if GDriveUtils.LOG_EVENTS else None
if os.path.dirname(local_file_path):
os.makedirs(os.path.dirname(local_file_path), exist_ok=True)
with open(local_file_path, "wb") as f:
f.write(file.getvalue())
print(
"Downloaded file locally to: ", local_file_path
) if GDriveUtils.LOG_EVENTS else None
@staticmethod
def download_file_from_gdrive_sanity_check(
drive_parent_folder_id: str,
creds_stringified: str | None = None,
):
file_id = GDriveUtils.upload_file_to_gdrive_sanity_check(
drive_parent_folder_id, creds_stringified
)
GDriveUtils.download_file_from_gdrive(
file_id, creds_stringified=creds_stringified
)
def stringify_json_creds(json_file: str, txt_file: str) -> str:
with open(json_file, "r") as f:
creds_dict = json.load(f)
with open(txt_file, "w") as f:
f.write(json.dumps(creds_dict)) |