first commit

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm-project.org/#use-with-ide
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

.vscode/settings.json

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+{
+    "python.analysis.typeCheckingMode": "basic",
+    "python.analysis.autoImportCompletions": true
+}

README.md

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+# saleyo

pyproject.toml

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+[project]
+name = "saleyo"
+version = "0.1.0"
+description = "A Package to do mixin in Python"
+authors = [
+    {name = "H2Sxxa", email = "h2sxxa0w0@gmail.com"},
+]
+dependencies = []
+requires-python = ">=3.11"
+readme = "README.md"
+license = {text = "MIT"}
+
+[build-system]
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"
+
+
+[tool.pdm]
+distribution = true

src/saleyo/__init__.py

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+"""
+Saleyo is A module to modify external python code in runtime.
+
+The implements are in `mixin`.
+
+If you want to call the method manually, you can try the `function` module.
+
+If you want to use some decorators, please use the `decorator` module.
+
+The `base` module is used to extend your own `mixin` method.
+"""
+
+from . import decorator, function, mixin, base
+
+__all__ = [
+    "decorator",
+    "function",
+    "mixin",
+    "base",
+]

src/saleyo/base/__init__.py

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+from . import typing, template, toolchain
+
+__all__ = [
+    "typing",
+    "template",
+    "toolchain",
+]

src/saleyo/base/template.py

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+from abc import ABC
+from typing import Generic, Type
+
+from .toolchain import ToolChain
+from .typing import T
+
+
+class MixinOperation(Generic[T], ABC):
+    """
+    The MixinOperation is the base of All Operation.
+
+    The generic `MixinOperation` is the type of argument
+    """
+
+    argument: T
+
+    def __init__(self, argument: T) -> None:
+        self.argument = argument
+
+    def mixin(self, target: Type, toolchain: ToolChain = ToolChain()) -> None:
+        raise NotImplementedError(
+            f"Not Ready to use this Operation to modify '{target}' via '{toolchain}'"
+        )

src/saleyo/base/toolchain.py

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+from dataclasses import dataclass
+from inspect import signature
+from types import FunctionType
+from typing import Any, Callable, Dict, Generic, Optional
+
+
+from ..base.typing import T, NameSpace
+
+
+@dataclass
+class ToolChain:
+    """
+    The tool to do mixin.
+
+    Default to use `getattr`/`setattr`/`hasattr`
+    """
+
+    tool_getattr: Callable[[Any, str], Any] = getattr
+    tool_setattr: Callable[[Any, str, Any], None] = setattr
+    tool_hasattr: Callable[[Any, str], bool] = hasattr
+
+
+class Container:
+    """
+    Container is A Class to keep a namespace and use this namespace to define function / variable / ...
+    """
+
+    environment: NameSpace
+
+    def __init__(self, *namespace: Optional[NameSpace]) -> None:
+        self.environment = {
+            k: v for _ in namespace if _ is not None for k, v in _.items()
+        }
+
+    def exec(self, source: str) -> Dict[str, Any]:
+        exec(source, self.environment)
+        return self.environment
+
+    def define_function(
+        self, function_name: str, source: str, indent: Optional[int] = None
+    ) -> FunctionType:
+        if indent is None:
+            indent = len(source[: source.find(source.lstrip()[0])])
+
+        return self.exec(
+            source="\n".join(
+                [line.removeprefix(" " * indent) for line in source.splitlines()]
+            )
+        )[function_name]
+
+
+@dataclass
+class InvokeEvent(Generic[T]):
+    target: Callable[..., T]
+    argument: Dict[str, Any]
+
+    @staticmethod
+    def from_call(target: Callable[..., Any], *args, **kwargs) -> "InvokeEvent":
+        argument = {}
+        function_parameters = signature(target).parameters
+        arg_names = list(function_parameters.keys())
+        argument.update({k: v.default for k, v in function_parameters.items()})
+        for arg in args:
+            argument[arg_names.pop(0)] = arg
+        argument.update(kwargs)
+        return InvokeEvent(target=target, argument=argument)
+
+    def invoke(self) -> T:
+        return self.target(**self.argument)

src/saleyo/base/typing.py

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+from typing import Any, Dict, List, Type, TypeVar, Union
+
+Target = Union[Type, List[Type]]
+NameSpace = Dict[str, Any]
+RT = TypeVar("RT")
+T = TypeVar("T")

src/saleyo/mixin/__init__.py

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+from .mixin import Mixin
+from .accessor import Accessor
+from .overwrite import OverWrite
+from .processor import Processor
+from .intercept import Intercept
+
+__all__ = [
+    "Mixin",
+    "Accessor",
+    "OverWrite",
+    "Processor",
+    "Intercept",
+]

src/saleyo/mixin/accessor.py

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+from typing import Generic, Optional, Type
+
+from ..base.toolchain import ToolChain
+from ..base.typing import T
+from ..base.template import MixinOperation
+
+
+class Accessor(Generic[T], MixinOperation[str]):
+    """
+    Want to access and modify some private varibles or methods? Try use `Accessor`!
+
+    Notice: The value only available after invoking the `mixin` method.
+
+    If you use `@Mixin` and have more than one target classes, the `value` will always be the varible of latest target.
+    """
+
+    _inner: Optional[T]
+
+    def mixin(self, target: Type, toolchain: ToolChain = ToolChain()) -> None:
+        self._inner = toolchain.tool_getattr(
+            target,
+            f"_{target.__name__}{self.argument}",
+        )
+        return toolchain.tool_setattr(
+            target,
+            self.argument,
+            self._inner,
+        )
+
+    @property
+    def value(self) -> Optional[T]:
+        """
+        Will be None Call Before The `mixin` method call.
+        """
+        return self._inner

src/saleyo/mixin/inject.py

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+from types import MethodType
+from typing import Type
+from saleyo.base.template import MixinOperation
+from saleyo.base.toolchain import ToolChain
+
+
+class Inject(MixinOperation[MethodType]):
+    def mixin(
+        self,
+        target: Type,
+        toolchain: ToolChain = ToolChain(),
+    ) -> None:
+        return super().mixin(target, toolchain)