Unable to catch exception for scan export

[ivym1ke]

Unable to catch exception for 404 when exporting scan

I have a for loop that is grabbing historical scan IDs and exporting. For one of my scans, a 404 is being returned by tenable.io API when trying to export. The scans.export function dies when encountering this and I am unable to catch the exception.

To Reproduce I am not sure how i have a historical scan with a 404 so i can't provide clear steps on reproducing.

Some ways i've tried:

with open('example.nessus', 'wb') as reportobj:
    try:
        tio.scans.export(1, history_id=1, fobj=reportobj)
    except:
        print("some error message") 

try:
    with open('example.nessus', 'wb') as reportobj:
        tio.scans.export(1, history_id=1, fobj=reportobj)
except:
    print("some error message") 

try:
  reportobj = open('example.nessus', 'wb')
  tio.scans.export(1, history_id=1, fobj=reportobj)
except:
    print("some error message") 
finally:
  reportobj.close()

Expected behavior I would expect pytenable to raise it's own exception that I can catch, but instead the script dies within restfly/sessions.py with raise error_resp and restfly.errors.NotFoundError . I've written this several different ways and never does the exception get caught.

System Information

• OS: [MacOS]
• Architecture [64bit]
• Version pytenable version 1.4.6
• Python - Tested with 3.9 and 3.10

Additional context This very well could be my lack of knowledge, feel free to close if this is expected behavior. Although i'd appreciate some tips/documentation on how to catch this error so my script can proceed with the remaining scans.

[SteveMcGrath]

As pytenable is relying on RESTfly for the low-level connection handling, this is correct. If you want to catch the 404 error you should be able to do the following:

from restfly.errors import NotFoundError

...

try:
    with open('example.nessus', 'wb') as reportobj:
        tio.scans.export(1, history_id=1, fobj=reportobj)
except NotFoundError as err:
    print(f'I have god an error {err}')

[aseemsavio]

Closing (as designed).