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This is a python library to retrieve the file list with the folder tree from the specific folder of Google Drive.

Project description

getfilelistpy

Build Status MIT License

Overview

This is a python library to retrieve the file list with the folder tree from the specific folder of own Google Drive and shared Drives.

Description

When I create applications for using Google Drive, I often retrieve a file list from a folder in the application. So far, I had created the script for retrieving a file list from a folder for each application. Recently, I thought that if there is the script for retrieving the file list with the folder tree from the folder of Google Drive as a library, it will be useful for me and other users. So I created this.

Features

  • This library retrieves all files from a folder in Google Drive.
  • All files include the folder structure in Google Drive.
  • Only folder tree can be also retrieved.

Install

$ pip install getfilelistpy

You can also check this library at https://pypi.org/project/getfilelistpy/.

Method

Method Explanation
GetFolderTree(object) Retrieve only folder structure from a folder
GetFileList(object) Retrieve file list with folder structure from a folder

Usage

There are 3 patterns for using this library.

1. Use API key

This is a sample script using API key. When you want to retrieve the API key, please do the following flow.

  1. Login to Google.
  2. Access to https://console.cloud.google.com/?hl=en.
  3. Click select project at the right side of "Google Cloud Platform" of upper left of window.
  4. Click "NEW PROJECT"
    1. Input "Project Name".
    2. Click "CREATE".
    3. Open the created project.
    4. Click "Enable APIs and get credentials like keys".
    5. Click "Library" at left side.
    6. Input "Drive API" in "Search for APIs & Services".
    7. Click "Google Drive API".
    8. Click "ENABLE".
    9. Back to https://console.cloud.google.com/?hl=en.
    10. Click "Enable APIs and get credentials like keys".
    11. Click "Credentials" at left side.
    12. Click "Create credentials" and select API key.
    13. Copy the API key. You can use this API key.

Sample script

from getfilelistpy import getfilelist

resource = {
    "api_key": "#####",
    "id": "### Folder ID ###",
    "fields": "files(name,id)",
}
res = getfilelist.GetFileList(resource)  # or r = getfilelist.GetFolderTree(resource)
print(res)

Note

  • When you want to retrieve the file list from the folder using API key, the folder is required to be shared.
  • You can modify the property of fields. When this is not used, the default fields are used.

2. Use OAuth2

Document of OAuth2 is here.

Sample script 1

In this sample script for oauth2client.

from httplib2 import Http
from oauth2client import file, client, tools
from getfilelistpy import getfilelist

SCOPES = 'https://www.googleapis.com/auth/drive.metadata.readonly'

store = file.Storage('token.json')
creds = store.get()
if not creds or creds.invalid:
    flow = client.flow_from_clientsecrets('client_secret.json', SCOPES)
    creds = tools.run_flow(flow, store)

resource = {
    "oauth2": creds.authorize(Http()),
    "id": "### Folder ID ###",
    "fields": "files(name,id)",
}
res = getfilelist.GetFileList(resource)  # or r = getfilelist.GetFolderTree(resource)
print(res)

Sample script 2

In this sample script for google_auth_oauthlib, the process of OAuth2 uses the quickstart of Google. Please check this.

import pickle
import os.path
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request
from getfilelistpy import getfilelist

SCOPES = 'https://www.googleapis.com/auth/drive.metadata.readonly'

creds = None

creFile = 'token.pickle'
if os.path.exists(creFile):
    with open(creFile, 'rb') as token:
        creds = pickle.load(token)
if not creds or not creds.valid:
    if creds and creds.expired and creds.refresh_token:
        creds.refresh(Request())
    else:
        flow = InstalledAppFlow.from_client_secrets_file(
            'client_secret.json', SCOPES)
        creds = flow.run_local_server()
    with open(creFile, 'wb') as token:
        pickle.dump(creds, token)

resource = {
    "oauth2": creds,
    "id": "### Folder ID ###",
    "fields": "files(name,id)",
}
res = getfilelist.GetFileList(resource)  # or r = getfilelist.GetFolderTree(resource)
print(res)

Note

  • Here, as a sample, the script of the authorization uses the script of quickstart.
  • You can modify the property of fields. When this is not used, the default fields are used.

3. Use Service account

Document of Service account is here.

Sample script

from google.oauth2 import service_account
from getfilelistpy import getfilelist

SCOPES = ['https://www.googleapis.com/auth/drive']
SERVICE_ACCOUNT_FILE = 'service-account-credentials.json'
credentials = service_account.Credentials.from_service_account_file(SERVICE_ACCOUNT_FILE, scopes=SCOPES)

resource = {
    "service_account": credentials,
    "id": "### Folder ID ###",
    "fields": "files(name,id)",
}
res = getfilelist.GetFileList(resource)  # or r = getfilelist.GetFolderTree(resource)
print(res)

Note

  • You can modify the property of fields. When this is not used, the default fields are used.

Values

As a sample, when the values are retrieved from above structure, the results of GetFolderTree() becomes as follows.

Values retrieved by GetFolderTree()

res = getfilelist.GetFolderTree(resource)
print(res)
{
  "id": [
    ["folderIdOfsampleFolder1"],
    ["folderIdOfsampleFolder1", "folderIdOfsampleFolder_2a"],
    ["folderIdOfsampleFolder1", "folderIdOfsampleFolder_2b"],
    [
      "folderIdOfsampleFolder1",
      "folderIdOfsampleFolder_2a",
      "folderIdOfsampleFolder_2a_3a"
    ],
    [
      "folderIdOfsampleFolder1",
      "folderIdOfsampleFolder_2b",
      "folderIdOfsampleFolder_2b_3a"
    ],
    [
      "folderIdOfsampleFolder1",
      "folderIdOfsampleFolder_2b",
      "folderIdOfsampleFolder_2b_3b"
    ],
    [
      "folderIdOfsampleFolder1",
      "folderIdOfsampleFolder_2b",
      "folderIdOfsampleFolder_2b_3b",
      "folderIdOfsampleFolder_2b_3b_4a"
    ]
  ],
  "names": [
    "sampleFolder1",
    "sampleFolder_2a",
    "sampleFolder_2b",
    "sampleFolder_2a_3a",
    "sampleFolder_2b_3a",
    "sampleFolder_2b_3b",
    "sampleFolder_2b_3b_4a"
  ],
  "folders": [
    "folderIdOfsampleFolder1",
    "folderIdOfsampleFolder_2a",
    "folderIdOfsampleFolder_2b",
    "folderIdOfsampleFolder_2a_3a",
    "folderIdOfsampleFolder_2b_3a",
    "folderIdOfsampleFolder_2b_3b",
    "folderIdOfsampleFolder_2b_3b_4a"
  ]
}

Values retrieved by Do()

res = getfilelist.GetFileList(resource)
print(res)
{
  "searchedFolder": {
    "id": "###",
    "name": "sampleFolder1",
    "mimeType": "application/vnd.google-apps.folder",
    "parents": ["###"],
    "createdTime": "2000-01-01T01:23:45.000Z",
    "modifiedTime": "2000-01-01T01:23:45.000Z",
    "webViewLink": "https://drive.google.com/drive/folders/###",
    "owners": [
      { "displayName": "###", "permissionId": "###", "emailAddress": "###" }
    ],
    "shared": true
  },
  "folderTree": {
    "id": [
      ["folderIdOfsampleFolder1"],
      ["folderIdOfsampleFolder1", "folderIdOfsampleFolder_2a"],
      ["folderIdOfsampleFolder1", "folderIdOfsampleFolder_2b"],
      [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2a",
        "folderIdOfsampleFolder_2a_3a"
      ],
      [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2b",
        "folderIdOfsampleFolder_2b_3a"
      ],
      [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2b",
        "folderIdOfsampleFolder_2b_3b"
      ],
      [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2b",
        "folderIdOfsampleFolder_2b_3b",
        "folderIdOfsampleFolder_2b_3b_4a"
      ]
    ],
    "names": [
      "sampleFolder1",
      "sampleFolder_2a",
      "sampleFolder_2b",
      "sampleFolder_2a_3a",
      "sampleFolder_2b_3a",
      "sampleFolder_2b_3b",
      "sampleFolder_2b_3b_4a"
    ],
    "folders": [
      "folderIdOfsampleFolder1",
      "folderIdOfsampleFolder_2a",
      "folderIdOfsampleFolder_2b",
      "folderIdOfsampleFolder_2a_3a",
      "folderIdOfsampleFolder_2b_3a",
      "folderIdOfsampleFolder_2b_3b",
      "folderIdOfsampleFolder_2b_3b_4a"
    ]
  },
  "fileList": [
    {
      "folderTree": ["folderIdOfsampleFolder1"],
      "files": [
        {
          "name": "Spreadsheet1",
          "mimeType": "application/vnd.google-apps.spreadsheet"
        }
      ]
    },
    {
      "folderTree": ["folderIdOfsampleFolder1", "folderIdOfsampleFolder_2a"],
      "files": [
        {
          "name": "Spreadsheet2",
          "mimeType": "application/vnd.google-apps.spreadsheet"
        }
      ]
    },
    {
      "folderTree": ["folderIdOfsampleFolder1", "folderIdOfsampleFolder_2b"],
      "files": [
        {
          "name": "Spreadsheet4",
          "mimeType": "application/vnd.google-apps.spreadsheet"
        }
      ]
    },
    {
      "folderTree": [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2a",
        "folderIdOfsampleFolder_2a_3a"
      ],
      "files": null
    },
    {
      "folderTree": [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2b",
        "folderIdOfsampleFolder_2b_3a"
      ],
      "files": [
        {
          "name": "Spreadsheet3",
          "mimeType": "application/vnd.google-apps.spreadsheet"
        }
      ]
    },
    {
      "folderTree": [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2b",
        "folderIdOfsampleFolder_2b_3b"
      ],
      "files": null
    },
    {
      "folderTree": [
        "folderIdOfsampleFolder1",
        "folderIdOfsampleFolder_2b",
        "folderIdOfsampleFolder_2b_3b",
        "folderIdOfsampleFolder_2b_3b_4a"
      ],
      "files": [
        {
          "name": "Document1",
          "mimeType": "application/vnd.google-apps.document"
        },
        {
          "name": "image1.png",
          "mimeType": "image/png"
        },
        {
          "name": "Slides1",
          "mimeType": "application/vnd.google-apps.presentation"
        },
        {
          "name": "Spreadsheet5",
          "mimeType": "application/vnd.google-apps.spreadsheet"
        },
        {
          "name": "StandaloneProject1",
          "mimeType": "application/vnd.google-apps.script"
        },
        {
          "name": "Test1.txt",
          "mimeType": "text/plain"
        }
      ]
    }
  ],
  "totalNumberOfFiles": 10,
  "totalNumberOfFolders": 7
}

For other languages

As the libraries "GetFileList" for other languages, there are following libraries.


Licence

MIT

Author

Tanaike

If you have any questions and commissions for me, feel free to tell me.

Update History

  • v1.0.0 (November 17, 2018)

    1. Initial release.
  • v1.0.3 (July 16, 2019)

    1. Markdown format was used to the readme file at https://pypi.org/project/getfilelistpy/.
  • v1.0.4 (August 23, 2019)

    1. For OAuth2, oauth2client and google_auth_oauthlib got to be able to be used. About the sample script for google_auth_oauthlib, please see this.
  • v1.0.5 (May 15, 2020)

    1. Shared drive got to be able to be used. The file list can be retrieved from both your Google Drive and the shared drive.

      • For example, when the folder ID in the shared Drive is used id of resource, you can retrieve the file list from the folder in the shared Drive.
  • v1.0.6 (June 1, 2020)

    1. When the file is retrieved from the shared drive, the parameter was not completed. This bug was removed.

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