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@jan-janssen jan-janssen commented May 30, 2024

Summary by CodeRabbit

  • New Features

    • Introduced executor_kwargs parameter to simplify and enhance the flexibility of executor initialization across various backends (Flux, Local, Slurm).
  • Refactor

    • Consolidated multiple individual arguments into a single executor_kwargs dictionary for executor classes to streamline configurations.
    • Updated test cases to use executor_kwargs for passing parameters.
  • Bug Fixes

    • Ensured default values for cores and max_cores parameters in task execution functions to improve reliability.
  • Chores

    • Cleaned up imports and removed unnecessary dependencies in the codebase.

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coderabbitai bot commented May 30, 2024

Walkthrough

The recent changes primarily focus on refactoring the pympipool library to streamline the initialization of various executor classes. By introducing an executor_kwargs dictionary parameter, the updates simplify the passing of multiple arguments. This refactor affects classes in the flux, local, and slurm modules, as well as their corresponding test files, ensuring a more flexible and maintainable codebase.

Changes

Files Change Summary
pympipool/scheduler/__init__.py Updated create_executor function to include executor parameter for submitting workers to Flux.
pympipool/scheduler/flux.py Refactored PyFluxExecutor and PyFluxStepExecutor to use executor_kwargs dictionary for initialization.
pympipool/scheduler/local.py Refactored PyLocalExecutor and PyLocalStepExecutor to use executor_kwargs dictionary for initialization.
pympipool/scheduler/slurm.py Refactored PySlurmExecutor and PySlurmStepExecutor to use executor_kwargs dictionary for initialization.
tests/test_flux_executor.py Updated tests to pass parameters via executor_kwargs dictionary for PyFluxExecutor.
tests/test_local_executor.py Updated tests to pass parameters via executor_kwargs dictionary for PyLocalExecutor and PyLocalStepExecutor.
pympipool/shared/executorbase.py Added MpiExecInterface to imports and set default values for cores and interface_class parameters in task execution functions.

Poem

In the realm of code so bright,
Executors now take flight,
With kwargs they align,
Simplifying every line.
From Flux to Local, changes bloom,
Bringing flexibility to every room.
🎩🐇✨


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Actionable comments posted: 7

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 5c441d4 and a8c24a3.

Files selected for processing (7)
  • pympipool/scheduler/init.py (3 hunks)
  • pympipool/scheduler/flux.py (5 hunks)
  • pympipool/scheduler/local.py (6 hunks)
  • pympipool/scheduler/slurm.py (6 hunks)
  • tests/test_flux_executor.py (4 hunks)
  • tests/test_local_executor.py (18 hunks)
  • tests/test_local_executor_future.py (4 hunks)
Additional comments not posted (8)
tests/test_flux_executor.py (4)

52-55: The refactoring of the test case to use executor_kwargs aligns well with the changes in the executor classes.


65-66: The refactoring of the test case to use executor_kwargs for threading configuration is consistent with the changes in the executor classes.


77-78: The refactoring of the test case to use executor_kwargs for parallel execution settings is consistent with the changes in the executor classes.


86-87: The refactoring of the test case to use executor_kwargs for single task execution is consistent with the changes in the executor classes.

tests/test_local_executor_future.py (3)

21-22: The refactoring of the test case to use executor_kwargs aligns well with the changes in the executor classes.


36-37: The refactoring of the test case to use executor_kwargs for multi-core configuration is consistent with the changes in the executor classes.


67-69: The refactoring of the test case to use executor_kwargs for ensuring independence from the executor is consistent with the changes in the executor classes.

Also applies to: 106-108

tests/test_local_executor.py (1)

102-104: Ensure consistency in the use of executor_kwargs across all test cases.

The changes to the test cases correctly reflect the updated constructors of PyLocalExecutor and PyLocalStepExecutor to use executor_kwargs. This aligns with the PR's objective to simplify parameter passing and enhance flexibility.

Also applies to: 114-116, 129-133, 138-142, 152-153, 162-163, 181-182, 195-196, 205-206, 224-225, 236-240, 277-278, 291-292, 302-305, 318-319, 327-328, 335-336, 355-356, 376-377, 390-391, 407-408

cwd: Optional[str] = None,
hostname_localhost: bool = False,
command_line_argument_lst: list[str] = [],
executor_kwargs: dict = {},
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Ensure that executor_kwargs is safely initialized to avoid issues with mutable default arguments.

- def __init__(self, max_cores: int = 1, executor_kwargs: dict = {}):
+ def __init__(self, max_cores: int = 1, executor_kwargs: dict = None):
+     if executor_kwargs is None:
+         executor_kwargs = {}

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
executor_kwargs: dict = {},
def __init__(self, max_cores: int = 1, executor_kwargs: dict = None):
if executor_kwargs is None:
executor_kwargs = {}

hostname_localhost: bool = False,
command_line_argument_lst: list[str] = [],
executor_kwargs: dict = {},
):
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Consider using a more robust default for executor_kwargs to avoid potential issues with mutable default arguments.

- def __init__(self, max_workers: int = 1, executor_kwargs: dict = {}):
+ def __init__(self, max_workers: int = 1, executor_kwargs: dict = None):
+     if executor_kwargs is None:
+         executor_kwargs = {}

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
executor_kwargs: dict = {},
def __init__(self, max_workers: int = 1, executor_kwargs: dict = None):
if executor_kwargs is None:
executor_kwargs = {}

oversubscribe: bool = False,
cwd: Optional[str] = None,
hostname_localhost: bool = False,
executor_kwargs: dict = {},
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Ensure that executor_kwargs is safely initialized to avoid issues with mutable default arguments.

- def __init__(self, max_cores: int = 1, executor_kwargs: dict = {}):
+ def __init__(self, max_cores: int = 1, executor_kwargs: dict = None):
+     if executor_kwargs is None:
+         executor_kwargs = {}

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
executor_kwargs: dict = {},
executor_kwargs: dict = None):
if executor_kwargs is None:
executor_kwargs = {}

hostname_localhost: bool = False,
):
def __init__(self, max_workers: int = 1, executor_kwargs: dict = {}):
super().__init__()
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Consider using a more robust default for executor_kwargs to avoid potential issues with mutable default arguments.

- def __init__(self, max_workers: int = 1, executor_kwargs: dict = {}):
+ def __init__(self, max_workers: int = 1, executor_kwargs: dict = None):
+     if executor_kwargs is None:
+         executor_kwargs = {}

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
def __init__(self, max_workers: int = 1, executor_kwargs: dict = {}):
def __init__(self, max_workers: int = 1, executor_kwargs: dict = None):
if executor_kwargs is None:
executor_kwargs = {}

executor: Optional[flux.job.FluxExecutor] = None,
pmi: Optional[str] = None,
hostname_localhost: Optional[bool] = False,
executor_kwargs: dict = {},
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Consider using a more robust default for executor_kwargs to avoid potential issues with mutable default arguments.

- def __init__(self, max_workers: int = 1, executor_kwargs: dict = {}):
+ def __init__(self, max_workers: int = 1, executor_kwargs: dict = None):
+     if executor_kwargs is None:
+         executor_kwargs = {}

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
executor_kwargs: dict = {},
executor_kwargs: dict = None,
if executor_kwargs is None:
executor_kwargs = {}

executor: Optional[flux.job.FluxExecutor] = None,
pmi: Optional[str] = None,
hostname_localhost: Optional[bool] = False,
executor_kwargs: dict = {},
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Ensure that executor_kwargs is safely initialized to avoid issues with mutable default arguments.

- def __init__(self, max_cores: int = 1, executor_kwargs: dict = {}):
+ def __init__(self, max_cores: int = 1, executor_kwargs: dict = None):
+     if executor_kwargs is None:
+         executor_kwargs = {}

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
executor_kwargs: dict = {},
def __init__(self, max_cores: int = 1, executor_kwargs: dict = None):
if executor_kwargs is None:
executor_kwargs = {}

backend=backend, flux_installed=flux_installed, slurm_installed=slurm_installed
)
check_pmi(backend=backend, pmi=pmi)
executor_kwargs = {
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Consider using a more robust default for executor_kwargs to avoid potential issues with mutable default arguments.

- executor_kwargs = {
+ executor_kwargs = executor_kwargs or {}

Committable suggestion was skipped due low confidence.

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Actionable comments posted: 2

Outside diff range and nitpick comments (1)
pympipool/shared/executorbase.py (1)

17-17: Ensure consistent import order and grouping.

Consider grouping all imports from pympipool.shared.interface together for better readability and maintainability.

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between a8c24a3 and 2138ea3.

Files selected for processing (2)
  • pympipool/shared/executorbase.py (5 hunks)
  • tests/test_local_executor.py (19 hunks)
Files skipped from review as they are similar to previous changes (1)
  • tests/test_local_executor.py

future_queue: queue.Queue,
cores: int,
interface_class: BaseInterface,
cores: int = 1,
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Standardize default parameter values across similar functions.

It's good practice to ensure consistency in default parameter values across similar functions to avoid confusion and potential bugs. For instance, cores and interface_class have default values in execute_parallel_tasks and execute_separate_tasks, but not in _submit_function_to_separate_process. Consider adding default values for these parameters in _submit_function_to_separate_process as well.

Also applies to: 259-259, 312-312, 313-313, 553-553

Comment on lines +334 to +335
if "cores" not in kwargs.keys():
kwargs["cores"] = 1
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Handle default parameter values more robustly.

Instead of checking if cores is not in kwargs and then setting it to 1, you could use kwargs.get('cores', 1) which is a more Pythonic and concise way to handle default values.

- if "cores" not in kwargs.keys():
-     kwargs["cores"] = 1
+ kwargs.setdefault('cores', 1)

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
if "cores" not in kwargs.keys():
kwargs["cores"] = 1
kwargs.setdefault('cores', 1)

@jan-janssen jan-janssen merged commit b113227 into main May 30, 2024
@jan-janssen jan-janssen deleted the executor_kwargs branch May 30, 2024 13:35
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