lagom.injection_context.TemporaryInjectionContext.__init__() - Code Metrics - Inspection of "WIP Speed up context partials" - meadsteve/lagom - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#226)

by Steve

created 2023-03-08 09:01 UTC

TemporaryInjectionContext.init() A

↳ Parent: lagom.injection_context

Complexity

Conditions

Size

Total Lines	15
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
eloc	12
nop	3
dl	0
loc	15
rs	9.8
c	0
b	0
f	0

from typing import Optional, Callable

from .interfaces import ReadableContainer, ExtendableContainer


class TemporaryInjectionContext:
    """
    Context Manager wrapper around a container which applies the supplied function on
    __enter__
    """

    _base_container: ExtendableContainer
    _update_function: Optional[Callable[[ReadableContainer], ReadableContainer]] = None

    def __init__(
        self,
        container: ExtendableContainer,
        update_function: Optional[
            Callable[[ReadableContainer], ReadableContainer]
        ] = None,
    ):
        self._base_container = container
        self._update_function = update_function
        if self._update_function:
            self._build_temporary_container = lambda: self._update_function(
                self._base_container
            )
        else:
            self._build_temporary_container = lambda: self._base_container.clone()

    def __enter__(self) -> ReadableContainer:
        return self._build_temporary_container()

    def __exit__(self, exc_type, exc_val, exc_tb):
        pass

    def rebind(self, new_container):
        return TemporaryInjectionContext(new_container, self._update_function)


1			from typing import Optional, Callable
2
3			from .interfaces import ReadableContainer, ExtendableContainer
4
5
6			class TemporaryInjectionContext:
7			"""
8			Context Manager wrapper around a container which applies the supplied function on
9			__enter__
10			"""
11
12			_base_container: ExtendableContainer
13			_update_function: Optional[Callable[[ReadableContainer], ReadableContainer]] = None
14
15			def __init__(
16			self,
17			container: ExtendableContainer,
18			update_function: Optional[
19			Callable[[ReadableContainer], ReadableContainer]
20			] = None,
21			):
22			self._base_container = container
23			self._update_function = update_function
24			if self._update_function:
25			self._build_temporary_container = lambda: self._update_function(
26			self._base_container
27			)
28			else:
29			self._build_temporary_container = lambda: self._base_container.clone()
30
31			def __enter__(self) -> ReadableContainer:
32			return self._build_temporary_container()
33
34			def __exit__(self, exc_type, exc_val, exc_tb):
35			pass
36
37			def rebind(self, new_container):
38			return TemporaryInjectionContext(new_container, self._update_function)
39

meadsteve / lagom

Pull Request — master (#226)

TemporaryInjectionContext.__init__() A

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TemporaryInjectionContext.init() A