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mpi4py as optional dependency #343

Merged
merged 11 commits into from
May 30, 2024
Merged

mpi4py as optional dependency #343

merged 11 commits into from
May 30, 2024

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

Summary by CodeRabbit

  • New Features

    • Introduced a minimal environment setup for Python projects with specific dependencies.
    • Added a workflow for running unittests, setting up environments, and installing dependencies.
  • Bug Fixes

    • Updated backend options to include "flux", "local", "slurm", and "auto" for automatic selection.
    • Improved handling of mpi4py module availability.
  • Tests

    • Modified test configurations to switch backend from "mpi" to "local".
    • Added conditional skips for tests based on mpi4py availability.
    • Renamed and added new test methods for better communication testing.
  • Chores

    • Moved mpi4py to optional dependencies in the project configuration.

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coderabbitai bot commented May 30, 2024

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Commits

Files that changed from the base of the PR and between db99498 and 7792f3d.

Walkthrough

The recent updates primarily focus on configuring a minimal environment for testing, modifying backend options from "mpi" to "local" across various files, and incorporating checks for the mpi4py library. These changes enhance flexibility, simplify dependencies, and ensure tests run smoothly regardless of mpi4py availability.

Changes

Files/Paths Change Summary
.ci_support/environment-mini.yml Introduced a minimal environment configuration with specific dependencies.
.github/workflows/minimal.yml Added a workflow for setting up the environment and running unittests.
pympipool/__init__.py Updated backend parameter options in the Executor class and __new__ method.
pympipool/scheduler/__init__.py Modified backend parameter options in the create_executor function.
pympipool/shared/executorbase.py Introduced a check for mpi4py availability and adjusted backend script inclusion accordingly.
pympipool/shared/inputcheck.py Updated allowed values for backend parameter in the validate_backend function.
pyproject.toml Moved mpi4py to optional dependencies.
tests/benchmark/llh.py Changed backend parameter value from "mpi" to "local" in run_static function.
tests/test_dependencies_executor.py Modified backend parameter value from "mpi" to "local" in Executor instantiation.
tests/test_executor_backend_mpi.py Switched backend from "mpi" to "local" and added handling for mpi4py presence.
tests/test_executor_backend_mpi_noblock.py Changed backend from "mpi" to "local" in Executor instantiation.
tests/test_mpi_executor.py Added handling for mpi4py installation status and conditional skips for tests based on its availability.
tests/test_shared_communication.py Renamed test_interface to test_interface_mpi, added test_interface_serial for serial communication.

Poem

In the code, a change so grand,
We shift the backend, take a stand.
From "mpi" to "local" we go,
Simplifying tests, making them flow.
With mpi4py now optional, we cheer,
Our code more flexible, future near.
🐇✨


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Actionable comments posted: 4

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 1e55fa3 and 4749fa6.

Files selected for processing (13)
  • .ci_support/environment-mini.yml (1 hunks)
  • .github/workflows/minimal.yml (1 hunks)
  • pympipool/init.py (2 hunks)
  • pympipool/scheduler/init.py (2 hunks)
  • pympipool/shared/executorbase.py (2 hunks)
  • pympipool/shared/inputcheck.py (2 hunks)
  • pyproject.toml (3 hunks)
  • tests/benchmark/llh.py (2 hunks)
  • tests/test_dependencies_executor.py (1 hunks)
  • tests/test_executor_backend_mpi.py (5 hunks)
  • tests/test_executor_backend_mpi_noblock.py (3 hunks)
  • tests/test_mpi_executor.py (5 hunks)
  • tests/test_shared_communication.py (2 hunks)
Files skipped from review due to trivial changes (3)
  • .ci_support/environment-mini.yml
  • .github/workflows/minimal.yml
  • pyproject.toml
Additional context used
Ruff
tests/test_executor_backend_mpi.py

7-7: mpi4py imported but unused; consider using importlib.util.find_spec to test for availability

tests/test_shared_communication.py

20-20: mpi4py imported but unused; consider using importlib.util.find_spec to test for availability

tests/test_mpi_executor.py

17-17: mpi4py imported but unused; consider using importlib.util.find_spec to test for availability

pympipool/shared/executorbase.py

23-23: mpi4py imported but unused; consider using importlib.util.find_spec to test for availability

Additional comments not posted (10)
tests/test_dependencies_executor.py (1)

15-15: Change from "mpi" to "local" backend in test setup aligns with the PR's objectives.

tests/test_executor_backend_mpi_noblock.py (1)

18-21: Updated backend parameter from "mpi" to "local" across various test methods.

Also applies to: 33-36, 53-53, 61-61, 67-67, 75-75

tests/benchmark/llh.py (1)

53-53: Backend parameter updated to "local" in benchmark tests. Ensure to validate performance implications if applicable.

Also applies to: 65-65

tests/test_executor_backend_mpi.py (1)

29-29: Backend parameter updated to "local" in various test methods.

Also applies to: 41-41, 59-59, 74-74, 82-82

tests/test_shared_communication.py (1)

32-34: Updated test methods to skip MPI tests based on mpi4py availability.

Also applies to: 58-80

pympipool/shared/inputcheck.py (1)

Line range hint 73-93: Updated backend validation logic to include "local" and handle the default setting correctly.

pympipool/scheduler/__init__.py (2)

80-80: Updated backend parameter to include "local" as an option. This change aligns with the PR's objective to handle mpi4py as an optional dependency.


148-148: Added handling for the "local" backend. Ensure that the necessary resources and configurations are properly set up for this backend to function correctly.

Verification successful

The search results indicate that the "local" backend is referenced in multiple test files and in the pympipool/scheduler/__init__.py file. This suggests that the "local" backend is indeed being handled and tested within the codebase.

  • tests/test_executor_backend_mpi_noblock.py
  • tests/test_dependencies_executor.py
  • tests/test_executor_backend_mpi.py
  • tests/benchmark/llh.py
  • pympipool/scheduler/__init__.py

These references imply that the necessary resources and configurations for the "local" backend are likely set up and tested.

Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the "local" backend is properly configured and all necessary resources are set up.

# Test: Search for configuration settings related to the "local" backend.
rg --type python $'backend="local"'

Length of output: 67



Script:

#!/bin/bash
# Description: Verify that the "local" backend is properly configured and all necessary resources are set up.

# Test: Search for configuration settings related to the "local" backend.
rg --type py 'backend="local"'

Length of output: 1214

pympipool/__init__.py (2)

43-43: Updated backend parameter to include "local" as an option. This change aligns with the PR's objective to handle mpi4py as an optional dependency.


141-141: Added handling for the "local" backend in the Executor class. Ensure that the necessary resources and configurations are properly set up for this backend to function correctly.

Comment on lines 6 to 12
try:
import mpi4py

mpi4py_installed = True
except ImportError:
mpi4py_installed = False

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Consider using importlib.util.find_spec instead of a direct import to check for mpi4py availability.

- try:
-     import mpi4py
-     mpi4py_installed = True
- except ImportError:
-     mpi4py_installed = False
+ import importlib.util
+ mpi4py_installed = importlib.util.find_spec('mpi4py') is not None

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
try:
import mpi4py
mpi4py_installed = True
except ImportError:
mpi4py_installed = False
import importlib.util
mpi4py_installed = importlib.util.find_spec('mpi4py') is not None

Comment on lines 19 to 25
try:
import mpi4py

mpi4py_installed = True
except ImportError:
mpi4py_installed = False

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Consider using importlib.util.find_spec to check for mpi4py availability, as suggested by static analysis.

- try:
-     import mpi4py
-     mpi4py_installed = True
- except ImportError:
-     mpi4py_installed = False
+ import importlib.util
+ mpi4py_installed = importlib.util.find_spec('mpi4py') is not None

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
try:
import mpi4py
mpi4py_installed = True
except ImportError:
mpi4py_installed = False
import importlib.util
mpi4py_installed = importlib.util.find_spec('mpi4py') is not None

Comment on lines 16 to 22
try:
import mpi4py

mpi4py_installed = True
except ImportError:
mpi4py_installed = False

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Consider using importlib.util.find_spec instead of a try-except block to check for mpi4py availability. This approach is more explicit and avoids importing the module unnecessarily.

- try:
-     import mpi4py
-     mpi4py_installed = True
- except ImportError:
-     mpi4py_installed = False
+ from importlib.util import find_spec
+ mpi4py_installed = find_spec("mpi4py") is not None

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
try:
import mpi4py
mpi4py_installed = True
except ImportError:
mpi4py_installed = False
from importlib.util import find_spec
mpi4py_installed = find_spec("mpi4py") is not None

Comment on lines 22 to 28
try:
import mpi4py

mpi4py_available = True
except ImportError:
mpi4py_available = False

Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Consider using importlib.util.find_spec instead of a try-except block to check for mpi4py availability. This approach is more explicit and avoids importing the module unnecessarily.

- try:
-     import mpi4py
-     mpi4py_available = True
- except ImportError:
-     mpi4py_available = False
+ from importlib.util import find_spec
+ mpi4py_available = find_spec("mpi4py") is not None

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
try:
import mpi4py
mpi4py_available = True
except ImportError:
mpi4py_available = False
from importlib.util import find_spec
mpi4py_available = find_spec("mpi4py") is not None

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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 4749fa6 and db99498.

Files selected for processing (5)
  • notebooks/examples.ipynb (1 hunks)
  • pympipool/shared/executorbase.py (2 hunks)
  • tests/test_executor_backend_mpi.py (5 hunks)
  • tests/test_mpi_executor.py (6 hunks)
  • tests/test_shared_communication.py (3 hunks)
Files not summarized due to errors (1)
  • notebooks/examples.ipynb: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (4)
  • pympipool/shared/executorbase.py
  • tests/test_executor_backend_mpi.py
  • tests/test_mpi_executor.py
  • tests/test_shared_communication.py

@jan-janssen jan-janssen merged commit 38276a7 into main May 30, 2024
24 of 25 checks passed
@jan-janssen jan-janssen deleted the minimal branch May 30, 2024 07:59
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