The photo.call method should capture stdout and stderr

Registered by Stani

it should also update the terminal progressively
http://stackoverflow.com/questions/1388753/how-to-get-output-from-subprocess-popen/1388807#1388807

the stderr output should be added to the error log

this needs to be tested with all plugin actions on windows and linux before being committed to the main branch

Blueprint information

Status:
Not started
Approver:
Stani
Priority:
Medium
Drafter:
Stani
Direction:
Needs approval
Assignee:
Nadia Alramli
Definition:
Approved
Series goal:
Accepted for 0.3
Implementation:
Unknown
Milestone target:
None

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