Python3-3.7.3: cannot run pdb
MRAB
python at mrabarnett.plus.com
Fri Jun 7 12:44:15 EDT 2019
On 2019-06-07 17:26, Rich Shepard wrote:
> Running python3-3.7.3 on Slackware-14.2.
>
> I'm trying to debug a module using pdb but failing with all attempts. For
> example, using breakpoint() at the line where I want to stop the running
> module and examine each line's execution, the program runs to completion and
> shows there's a syntax error:
>
> $ python3 geochem.py
> File "geochem.py", line 35
> boxchoices = ttk.Combobox(self, textvariable=med,
> ^
> SyntaxError: invalid syntax
>
> Importing pdb and inserting pdb.set_trace() produces the same output.
>
> invoking pdb from the command line produces a full back trace:
>
> $ python3 -m pdb geochem.py
> Traceback (most recent call last):
> File "/usr/lib/python3.7/pdb.py", line 1701, in main
> pdb._runscript(mainpyfile)
> File "/usr/lib/python3.7/pdb.py", line 1570, in _runscript
> self.run(statement)
> File "/usr/lib/python3.7/bdb.py", line 585, in run
> exec(cmd, globals, locals)
> File "<string>", line 1, in <module>
> File "/home/rshepard/development/openEDMS/views/geochem.py", line 35
> boxchoices = ttk.Combobox(self, textvariable=med,
> ^
> SyntaxError: invalid syntax
>
> I don't understand the source of the syntax error and I'm not able to allow
> pdb to step through the code.
>
> Your advice appreciated,
>
It's possible that the error is actually on the previous line and that
it thinks that what's on line 35 is a continuation of what's on line 34,
but it isn't.
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