pyproject.toml

# Copyright The Lightning AI team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

[metadata]
name = "lightning"
author = "Lightning-AI et al."
url = "https://github.com/Lightning-AI/lightning"

[build-system]
requires = [
    "setuptools",
    "wheel",
]


[tool.black]
line-length = 120
exclude = '(_notebooks/.*)'

[tool.docformatter]
recursive = true
# this need to be shorter as some docstings are r"""...
wrap-summaries = 119
wrap-descriptions = 120
blank = true

[tool.codespell]
# Todo: enable also python files in a next step
skip = '*.py'
quiet-level = 3
# comma separated list of words; waiting for:
#  https://github.com/codespell-project/codespell/issues/2839#issuecomment-1731601603
# also adding links until they ignored by its: nature
#  https://github.com/codespell-project/codespell/issues/2243#issuecomment-1732019960
ignore-words-list = "te, compiletime"


[tool.ruff]
line-length = 120
target-version = "py38"
# Exclude a variety of commonly ignored directories.
exclude = [
    ".git",
    "docs",
    "_notebooks"
]

[tool.ruff.format]
preview = true

[tool.ruff.lint]
select = [
    "E", "W",  # see: https://pypi.org/project/pycodestyle
    "F",  # see: https://pypi.org/project/pyflakes
    "S",  # see: https://pypi.org/project/flake8-bandit
    "RUF018",  # see: https://docs.astral.sh/ruff/rules/assignment-in-assert
    "UP", # see: https://docs.astral.sh/ruff/rules/#pyupgrade-up
]
extend-select = [
    "I",  # see: isort
    "C4",  # see: https://pypi.org/project/flake8-comprehensions
    "SIM",  # see: https://pypi.org/project/flake8-simplify
    "RET",  # see: https://pypi.org/project/flake8-return
    "PT",  # see: https://pypi.org/project/flake8-pytest-style
    "RUF100",  # see: https://docs.astral.sh/ruff/rules/unused-noqa/
]
ignore = [
    "E731",  # Do not assign a lambda expression, use a def
    "S108",
    "E203", # conflicts with black
]
ignore-init-module-imports = true

[tool.ruff.lint.per-file-ignores]
".actions/*" = ["S101", "S310"]
"setup.py" = ["S101"]
"examples/**" = [
    "S101",  # Use of `assert` detected
    "S113",  # todo: Probable use of requests call without
    "S104",  # Possible binding to all interface
    "F821",  # Undefined name `...`
    "S311",  # Standard pseudo-random generators are not suitable for cryptographic purposes
    "S501",  # Probable use of `requests` call with `verify=False` disabling SSL certificate checks
    "S108",  # Probable insecure usage of temporary file or directory: "/tmp/data/MNIST"
]
"src/**" = [
    "S101",  # todo: Use of `assert` detected
    "S105", "S106", "S107",  # todo: Possible hardcoded password: ...
    "S113",  # todo: Probable use of requests call without timeout
    "S301",  # todo: `pickle` and modules that wrap it can be unsafe when used to deserialize untrusted data, possible security issue
    "S324",  # todo: Probable use of insecure hash functions in `hashlib`
    "S403",  # todo: `pickle`, `cPickle`, `dill`, and `shelve` modules are possibly insecure
    "S404",  # todo: `subprocess` module is possibly insecure
    "S602",  # todo: `subprocess` call with `shell=True` identified, security issue
    "S603",  # todo: `subprocess` call: check for execution of untrusted input
    "S605",  # todo: Starting a process with a shell: seems safe, but may be changed in the future; consider rewriting without `shell`
    "S607",  # todo: Starting a process with a partial executable path
    "RET504",  # todo:Unnecessary variable assignment before `return` statement
    "RET503",
]
"tests/**" = [
    "S101",  # Use of `assert` detected
    "S105", "S106",  # todo: Possible hardcoded password: ...
    "S301",  # `pickle` and modules that wrap it can be unsafe when used to deserialize untrusted data, possible security issue
    "S113",  # todo: Probable use of requests call without timeout
    "S311",  # todo: Standard pseudo-random generators are not suitable for cryptographic purposes
    "S108",  # todo: Probable insecure usage of temporary file or directory: "/tmp/sys-customizations-sync"
    "S202",  # Uses of `tarfile.extractall()`
    "S403",  # `pickle`, `cPickle`, `dill`, and `shelve` modules are possibly insecure
    "S404",  # `subprocess` module is possibly insecure
    "S602",  # todo: `subprocess` call with `shell=True` identified, security issue
    "S603",  # todo: `subprocess` call: check for execution of untrusted input
    "S605",  # todo: Starting a process with a shell: seems safe, but may be changed in the future; consider rewriting without `shell`
    "S607",  # todo: Starting a process with a partial executable path
    "RET504",  # todo:Unnecessary variable assignment before `return` statement
    "PT004",  # todo: Fixture `tmpdir_unittest_fixture` does not return anything, add leading underscore
    "PT011",  # todo: `pytest.raises(ValueError)` is too broad, set the `match` parameter or use a more specific exception
    "PT012",  # todo: `pytest.raises()` block should contain a single simple statement
    "PT019",  # todo: Fixture `_` without value is injected as parameter, use `@pytest.mark.usefixtures` instead
]

[tool.ruff.lint.mccabe]
# Unlike Flake8, default to a complexity level of 10.
max-complexity = 10


[tool.mypy]
files = [
    "src/lightning",
]
# This section is for folders with "-" as they are not valid python modules
exclude = [
    "src/lightning/app/cli/app-template",
    "src/lightning/app/cli/component-template",
    "src/lightning/app/cli/pl-app-template",
    "src/lightning/app/cli/react-ui-template",
]
install_types = "True"
non_interactive = "True"
disallow_untyped_defs = "True"
ignore_missing_imports = "True"
show_error_codes = "True"
warn_redundant_casts = "True"
warn_unused_configs = "True"
warn_unused_ignores = "True"
allow_redefinition = "True"
# disable this rule as the Trainer attributes are defined in the connectors, not in its __init__
disable_error_code = "attr-defined"
# style choices
warn_no_return = "False"

# Ignore mypy errors for these files
# TODO: the goal is for this to be empty
[[tool.mypy.overrides]]
# the list can be generated with:
# mypy --no-error-summary 2>&1 | tr ':' ' ' | awk '{print $1}' | sort | uniq | sed 's/\.py//g; s|src/||g;  s|\/|\.|g' | xargs -I {} echo '"{}",'
module = [
    "lightning.app.api.http_methods",
    "lightning.app.api.request_types",
    "lightning.app.cli.cmd_install",
    "lightning.app.cli.commands.app_commands",
    "lightning.app.cli.commands.cd",
    "lightning.app.cli.commands.cp",
    "lightning.app.cli.commands.ls",
    "lightning.app.cli.connect.app",
    "lightning.app.components.database.client",
    "lightning.app.components.database.server",
    "lightning.app.components.database.utilities",
    "lightning.app.components.multi_node.base",
    "lightning.app.components.multi_node.fabric",
    "lightning.app.components.multi_node.pytorch_spawn",
    "lightning.app.components.multi_node.trainer",
    "lightning.app.components.python.popen",
    "lightning.app.components.python.tracer",
    "lightning.app.components.serve.auto_scaler",
    "lightning.app.components.serve.gradio_server",
    "lightning.app.components.serve.python_server",
    "lightning.app.components.serve.serve",
    "lightning.app.components.serve.streamlit",
    "lightning.app.components.serve.types.image",
    "lightning.app.components.serve.types.type",
    "lightning.app.components.training",
    "lightning.app.frontend.panel.app_state_comm",
    "lightning.app.frontend.panel.app_state_watcher",
    "lightning.app.frontend.panel.panel_frontend",
    "lightning.app.frontend.panel.panel_serve_render_fn",
    "lightning.app.frontend.streamlit_base",
    "lightning.app.frontend.stream_lit",
    "lightning.app.frontend.utils",
    "lightning.app.frontend.web",
    "lightning.app.launcher.launcher",
    "lightning.app.launcher.lightning_backend",
    "lightning.app.launcher.lightning_hybrid_backend",
    "lightning.app.pdb.pdb",
    "lightning.app.runners.backends.backend",
    "lightning.app.runners.backends.cloud",
    "lightning.app.runners.backends.docker",
    "lightning.app.runners.backends.mp_process",
    "lightning.app.runners.cloud",
    "lightning.app.runners.multiprocess",
    "lightning.app.runners.runtime",
    "lightning.app.source_code.copytree",
    "lightning.app.source_code.hashing",
    "lightning.app.source_code.local",
    "lightning.app.source_code.tar",
    "lightning.app.source_code.uploader",
    "lightning.app.storage.copier",
    "lightning.app.storage.drive",
    "lightning.app.storage.filesystem",
    "lightning.app.storage.orchestrator",
    "lightning.app.storage.path",
    "lightning.app.storage.payload",
    "lightning.app.structures.dict",
    "lightning.app.structures.list",
    "lightning.app.testing.helpers",
    "lightning.app.testing.testing",
    "lightning.app.utilities.app_helpers",
    "lightning.app.utilities.app_logs",
    "lightning.app.utilities.cli_helpers",
    "lightning.app.utilities.cloud",
    "lightning.app.utilities.commands.base",
    "lightning.app.utilities.component",
    "lightning.app.utilities.enum",
    "lightning.app.utilities.exceptions",
    "lightning.app.utilities.git",
    "lightning.app.utilities.imports",
    "lightning.app.utilities.introspection",
    "lightning.app.utilities.layout",
    "lightning.app.utilities.load_app",
    "lightning.app.utilities.log_helpers",
    "lightning.app.utilities.login",
    "lightning.app.utilities.name_generator",
    "lightning.app.utilities.network",
    "lightning.app.utilities.openapi",
    "lightning.app.utilities.packaging.cloud_compute",
    "lightning.app.utilities.packaging.lightning_utils",
    "lightning.app.utilities.proxies",
    "lightning.app.utilities.scheduler",
    "lightning.app.utilities.state",
    "lightning.app.utilities.tracer",
    "lightning.app.utilities.tree",
    "lightning.store.utils",
]
ignore_errors = "True"


[tool.coverage.report]
exclude_lines = [
    "pragma: no cover",
    "warnings",
    "pass",
    "rank_zero_warn",
    "raise NotImplementedError",
]


[tool.pytest.ini_options]
norecursedirs = [
    ".git",
    ".github",
    "dist",
    "build",
    "docs",
]
addopts = [
    "--strict-markers",
    "--doctest-modules",
    "--color=yes",
    "--disable-pytest-warnings",
    "--ignore=legacy/checkpoints",
]
markers = [
    "cloud: Run the cloud tests for example",
]
filterwarnings = [
    "error::FutureWarning",
]
xfail_strict = true
junit_duration_report = "call"