Point72 / Point72/csp

Cannot define csp nodes/graphs in raw python interpreter

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type: bug
Dominant language
Python
Stars
441
Forks
90
Avg merge
1d 12m
Merged PRs (30d)
5

Description

reported in https://github.com/Point72/csp/issues/88#issuecomment-1959057012

Python 3.8.10 | packaged by conda-forge | (default, Sep 13 2021, 21:46:58)
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import csp
>>> import pandas
>>> from datetime import datetime
>>> @csp.graph
... def foo(x: pandas.DataFrame):
...   pass
...
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
  File "/csp/csp/impl/wiring/graph.py", line 393, in graph
    return _impl(func)
  File "/csp/csp/impl/error_handling.py", line 37, in __exit__
    raise exc_val.with_traceback(new_tb)
OSError: could not get source code
>>>

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure in a raw Python interpreter using the example from the issue, then inspect csp/impl/wiring/graph.py around the graph decorator. Confirm that defining the shown graph no longer raises "could not get source code" when run interactively.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
stream-processing
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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