able to upload and get back a file. tested.

cloudfile/__init__.py

@@ -1,3 +1,4 @@
 from .save import save
-from .restore import restore
+from .restore import restore, download
 from .add_file import add_file
+from .google_drive import upload_file, get_service

cloudfile/add_file.py

@@ -1,10 +1,11 @@
 import os
 
 from .cloudfile import CloudFile
+from .google_drive import upload_file
 
 
 def add_file(file: str, cloudf: CloudFile = None, hard=False):
     if cloudf is None:
         cloudf = CloudFile()
     assert os.path.isfile(file)
-
+    return cloudf.upload_file(file)

cloudfile/cloudfile.py

@@ -1,7 +1,7 @@
 import os
 import json
 
-from .google_drive import get_service
+from .google_drive import get_service, upload_file
 
 
 class CloudFile(object):
@@ -17,7 +17,7 @@ def __init__(self, clouldfile="cloudfile.json", unit_test_link_dct=None):
     def get_service(self):
         if self.service is None:
             self.service = get_service()
-        return self.service()
+        return self.service
 
     def save_json(self):
         json.dump(self.dct, open(self._cloudfile, "w"))
@@ -36,3 +36,9 @@ def __getitem__(self, item):
     def __setitem__(self, key, item):
         self.dct[key] = item
 
+    def upload_file(self, file):
+        link = upload_file(self.get_service(), file)
+        self.dct[file] = link
+        self.save_json()
+        return link
+

cloudfile/google_drive.py

@@ -1,11 +1,12 @@
 import pickle
 import os.path
+from googleapiclient.http import MediaFileUpload
 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/drive.appdata"]
+SCOPES = ["https://www.googleapis.com/auth/drive"]
 
 
 def get_service():
@@ -37,15 +38,44 @@ def get_service():
     return build("drive", "v3", credentials=creds)  # service
 
 
-def upload_file(drive_service):
-    file_metadata = {"name": "photo.jpg"}
-    media = MediaFileUpload("files/photo.jpg", mimetype="image/jpeg")
-    file = (
+def upload_file(drive_service, file):
+    # TODO add zip functionality
+    file_metadata = {"name": "cloudfile_" + file.split(os.sep)[-1]}  # TODO parent
+    media = MediaFileUpload(file, mimetype="application/plain")
+    file = drive_service.files().create(body=file_metadata, media_body=media).execute()
+    file_id = file.get("id")
+    add_link_permision(drive_service, file_id)
+    url = (
         drive_service.files()
-        .create(body=file_metadata, media_body=media, fields="id")
-        .execute()
+        .get(fileId=file_id, fields="webContentLink")
+        .execute()["webContentLink"]
+    )
+    print(f"File ID: {file_id}, link:{url}")
+
+    return url
+
+
+def add_link_permision(drive_service, file_id):
+    def callback(request_id, response, exception):
+        if exception:
+            # Handle error
+            print(exception)
+        else:
+            print(f"Permission Id: {response.get('id')}")
+
+    batch = drive_service.new_batch_http_request(callback=callback)
+    user_permission = {
+        "type": "anyone",
+        "role": "reader",
+        "Value": "",
+        "WithLink": True,
+    }
+    batch.add(
+        drive_service.permissions().create(
+            fileId=file_id, body=user_permission, fields="id"
+        )
     )
-    print("File ID: %s".format(file.get("id")))
+    batch.execute()
 
 
 """

tests/test_add_file.py

@@ -0,0 +1,17 @@
+import os
+import cloudfile
+from tests.utils import del_folder
+
+
+def test_add_file():
+    if not os.path.isdir("foo"):
+        os.mkdir("foo")
+    filename = "foo/bar_new.txt"
+    with open(filename, "w") as f:
+        f.write("hello world")
+    url = cloudfile.add_file(filename)
+    os.remove(filename)
+    cloudfile.download(filename, url)
+    assert os.path.isfile(filename)
+    del_folder("foo")
+