Retrieving error info from a string

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Retrieving error info from a string



I have a string with this example error



File "/home/mdk/Documents/PyPad/src/New289429.py", line 1
print("SDADADFDSFDSDSFS)
^
SyntaxError: EOL while scanning string literal

Now this is the code that gives me that string:


File "/home/mdk/Documents/PyPad/src/New289429.py", line 1
print("SDADADFDSFDSDSFS)
^
SyntaxError: EOL while scanning string literal


def execute(self, command):
"""Executes a system command."""

out, err = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
self.output = out
self.error = err
return self.error



I need to strip out everything out of that string except for the SyntaxError part and the text after it. Like this: SyntaxError: EOL while scanning string literal


SyntaxError: EOL while scanning string literal



How should I do it?




2 Answers
2



Probably easiest way to do that is to grab last line from stderr:


stderr



self.errow = err.split(os.linesep)[-2]


self.errow = err.split(os.linesep)[-2]



To retrieve that part of the string


self.error = self.error.split(os.linesep)[-2]






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