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nschloe / tuna

:fish: Python profile viewer

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crash when parsing profile

ellperro opened this issue · comments

commented

code:
fatmodule.py:

import time
#mimics a module which takes a long time to import
time.sleep(1)

demo2.py:

import time

def b():
    import fatmodule
    time.sleep(.1)

b()
python3 -m cProfile -o prof2 ./demo2.py
tuna2 prof2

Traceback (most recent call last):
  File "/home/bart/.local/bin/tuna", line 8, in <module>
    sys.exit(main())
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/cli.py", line 32, in main
    start_server(args.infile, args.browser, args.port)
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/main.py", line 44, in start_server
    data = read(prof_filename)
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/main.py", line 23, in read
    return read_runtime_profile(filename)
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/_runtime_profile.py", line 88, in read_runtime_profile
    "children": [populate(root, None) for root in roots],
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/_runtime_profile.py", line 88, in <listcomp>
    "children": [populate(root, None) for root in roots],
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/_runtime_profile.py", line 47, in populate
    c = [populate(child, key) for child in children[key]]
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/_runtime_profile.py", line 47, in <listcomp>
    c = [populate(child, key) for child in children[key]]
  File "/home/bart/.local/lib/python3.8/site-packages/tuna/_runtime_profile.py", line 47, in populate
    c = [populate(child, key) for child in children[key]]
...
RecursionError: maximum recursion depth exceeded in comparison

prof2.gz

commented

Thanks for the excellent reports! I won't have time to look into it immediately, but I'll get to it as soon as I can.

commented

Fixed now. Thanks again for the report.