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chetanhiwale's avatar
chetanhiwale
Resolver I
1 year ago
Solved

Getting random characters after notebook metadata modification using Rest API

I am trying to modify notebook metadata using fabric rest api. After decoding the notebook content we get attached item ( lakehouse , warehouse , env ) and cells. The cells metadata is getting added ...
data engineering
Notebook
  • V-yubandi-msft's avatar
    V-yubandi-msft
    1 year ago

    Hi chetanhiwale ,

     

    Thank you for your feedback. We attempted using the example you mentioned: print ("microsoft \n fabric").

    As you noted, by default, \n in Python represents a newline character. To display \n as plain text, additional steps are required.

     

    We need to escape the backslash (\) or use a raw string. Here are the steps:

    1. Escape the backslash (\\n)

    print ("microsoft \\n fabric")

     

    1. Use a raw string (r"string")

     

    • \\n: The double backslash \\ instructs Python to interpret \n as a literal \n instead of a newline character.
    • r"...": The r prefix before a string denotes a raw string, which treats backslashes as literal characters.

     

    If the suggestions provided do not resolve your issue, kindly share a snippet of the exact code you are using for encoding, decoding, and updating the notebook. With more context, I can assist further in debugging.

     

    If my response solved your query, please mark it as the Accepted solution to help others find it easily.

    And if my answer was helpful, I'd really appreciate a 'Kudos'.

V-yubandi-msft's avatar
V-yubandi-msft
Community Support
1 year ago

Hi chetanhiwale ,

Thanks for reaching out to the Microsoft Fabric Community.  It looks like the issue you're facing is related to JSON encoding and escape sequence handling when modifying notebook metadata via the Fabric REST API.

 

Here are some recommended steps to resolve it.

  1. Ensure the JSON response is correctly decoded before making any changes. This prevents issues like double escaping of backslashes (\\) and incorrect newline (\n) formatting.

  2. When modifying the content and sending it back through the API, check that JSON encoding doesn't add extra escape sequences. Some serialization methods might automatically add extra backslashes, so double-check your update request.

  3. After updating the notebook, fetch the content again to see if there are any unintended formatting changes. If needed, clean up any extra backslashes before sending the update.

  4. If backslashes are still being incorrectly added, review how JSON formatting is being done and adjust how escape characters are handled. Be careful when replacing backslashes, as some are necessary for valid syntax.

If my response solved your query, please mark it as the Accepted solution to help others find it easily.  And if my answer was helpful, I'd really appreciate a 'Kudos'.