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Forum Discussion
Waleed Magdy
2 months agoExplorer | Level 4
Transfer Dropbox Backups using Dropbox APIs
Hello, Specifically, I have several backups stored in Dropbox Backup (some exceeding tens of terabytes), and I’m interested in utilizing the Dropbox API to automate the process of downloading th...
Greg-DB
2 months agoDropbox Staff
It is possible to list and download files from Dropbox Backup using the Dropbox API, the same way you would any other files in a Dropbox account. For instance, you can use /2/files/list_folder and /2/files/list_folder/continue to list files/folders, /2/files/download to download specific files, and /2/files/download_zip to download entire folders.
Check out the following guides for more information on how to get started and interact with files and folders using the API:
The Dropbox API does have a general rate limiting system that applies to all account types, but we don't have specific rate numbers documented for that. Apps should be written to handle these rate limit responses automatically. Also note that not all responses with a 429 or 503 status code indicate explicit rate limiting, but in any case that you get a response with 429 or 503 status code the best practice is to retry the request, respecting the Retry-After header if given in the response, or using an exponential back-off, if not. I recommend referring to the error documentation and Error Handling Guide for more information. It's worth noting in this case though that the system operates on the basis of the rate of calls (that is, the number of calls per time window), not the file size.
When making content download calls, such as /2/files/download, downloads may take some time for large files/folders, however connections may be more likely to fail if held open for a long period of time, so make sure you're catching and handling any errors from your network client. In particular, for these calls, do not attempt to hold a single connection for longer than one hour. Most Dropbox API content download endpoints (except for /2/files/download_zip) do support Range requests though, so if any single download request would take longer than that, you should instead split the download across multiple requests using ranges.
The best strategy will depend on the specifics of your scenario, e.g., how many files/folders your data is spread across, etc., but in general I suggest trying to use /2/files/download_zip where possible (refer to the documentation for information on count/size limits), and otherwise falling back to /2/files/download (with Range requests as needed).
- Waleed Magdy2 months agoExplorer | Level 4
Thanks for your reply, however I tried many times but still only getting the folders and files in the root directory for the dropbox account but not the backups in dropbox backups
this is the script I am trying with if you can take a look:import requests import json # Dropbox API credentials DROPBOX_ACCESS_TOKEN = "TOKEN" DROPBOX_REFRESH_TOKEN = ( "REFRESH_TOKEN" ) APP_KEY = "APP_KEY" APP_SECRET = "APP_SECRET" # endpoints DROPBOX_OAUTH2_TOKEN_URL = "https://api.dropbox.com/oauth2/token" DROPBOX_LIST_FOLDER_URL = "https://api.dropboxapi.com/2/files/list_folder" DROPBOX_TEAM_MEMBERS_URL = "https://api.dropboxapi.com/2/team/members/list" # Refresh the access token using refresh token def refresh_dropbox_token(): data = { 'grant_type': 'refresh_token', 'refresh_token': DROPBOX_REFRESH_TOKEN, 'client_id': APP_KEY, 'client_secret': APP_SECRET } response = requests.post(DROPBOX_OAUTH2_TOKEN_URL, data=data) if response.status_code == 200: tokens = response.json() return tokens['access_token'] else: print("Error refreshing token:", response.text) return None # This is to list team members to choose which team member to work with def list_dropbox_team_members(): global DROPBOX_ACCESS_TOKEN access_token = refresh_dropbox_token() if access_token is None: print("Failed to refresh Dropbox access token.") return None headers = { 'Authorization': f'Bearer {access_token}', 'Content-Type': 'application/json' } data = json.dumps({}) response = requests.post(DROPBOX_TEAM_MEMBERS_URL, headers=headers, data=data) if response.status_code == 200: members = response.json() team_members = {} for member in members['members']: team_members[member['profile']['team_member_id']] = member['profile']['email'] print(f"User ID: {member['profile']['team_member_id']}, Email: {member['profile']['email']}") return team_members else: print("Error listing team members:", response.text) return None # List Folders and Files in the Team member account def list_dropbox_backups(selected_user_id): global DROPBOX_ACCESS_TOKEN access_token = refresh_dropbox_token() if access_token is None: print("Failed to refresh Dropbox access token.") return headers = { 'Authorization': f'Bearer {access_token}', 'Dropbox-API-Select-User': selected_user_id, 'Content-Type': 'application/json' } data = json.dumps({ "path": "", "recursive": False }) response = requests.post(DROPBOX_LIST_FOLDER_URL, headers=headers, data=data) if response.status_code == 200: files = response.json() for entry in files['entries']: print(f"Name: {entry['name']}, Type: {entry['.tag']}") else: print("Error listing files:", response.text) if __name__ == "__main__": team_members = list_dropbox_team_members() if team_members: selected_email = input("Enter the email of the team member whose backups you want to list: ") selected_user_id = None for user_id, email in team_members.items(): if email == selected_email: selected_user_id = user_id break if selected_user_id: print(f"Listing backups for user: {selected_email} (User ID: {selected_user_id})") list_dropbox_backups(selected_user_id) else: print(f"No team member found with the email: {selected_email}")
Please let me know if you found anything to be changed, also I attached a screen shot here to be in the same page which service for the backups I am talking about.
- Greg-DB2 months agoDropbox Staff
Looking at this code, there are a few things to note:
- You're only calling /2/files/list_folder but not /2/files/list_folder/continue. You're not guaranteed to get everything back from just /2/files/list_folder; you need to check the returned has_more value and implement support for /2/files/list_folder/continue as well. Please check the linked documentation for more information.
- You're only checking the directly folder ("path": "") contents, and not any of its children ("recursive": False). You'd only get items directly in the folder but not anything any deeper. You'd need to call back again with the relevant subfolder, or otherwise use the recursive mode to get nested entries.
- josuegomes25 days agoHelpful | Level 6
I'm also facing the same problem. Both /2/files/list_folder and /2/files/list_folder/continue return no Dropbox Backup files. I tried with Dropbox API Explorer
Request parameter "path" is empty, and "recursive" is "true".
The call returns all the files except the Dropbox Backup ones. "has_more" is "false".
I can provide more info if necessary.
But to my knowledge, Dropbox Backup files are not reachable from the API.
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