ocrd_utils.package_resources.resource_filename() - Code Metrics - Inspection of "WIP: No more pkg_resources" - OCR-D/core - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#882)

by Konstantin

created 2022-07-15 13:50 UTC

ocrd_utils.package_resources.resource_filename() A

↳ Parent: ocrd_utils.package_resources

Complexity

Conditions

Size

Total Lines	13
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	3
dl	0
loc	13
rs	10
c	0
b	0
f	0
cc	1
nop	2

import atexit
from contextlib import ExitStack
from pathlib import Path

try:
    from importlib.resources import path, read_binary
except ImportError:
    from importlib_resources import path, read_binary  # type: ignore

try:
    from importlib.metadata import distribution as get_distribution
except ImportError:
    from importlib_metadata import distribution as get_distribution

# See https://importlib-resources.readthedocs.io/en/latest/migration.html#pkg-resources-resource-filename
_file_manager = ExitStack()
atexit.register(_file_manager.close)


def resource_filename(package: str, resource: str) -> Path:
    """
    Reimplementation of the function with the same name from pkg_resources

    Using importlib for better performance

    package : str
        The package from where to start looking for resource (often __name__)
    resource : str
        The resource to look up
    """
    parent_package = package.rsplit('.',1)[0]
    return _file_manager.enter_context(path(parent_package, resource))


def resource_string(package: str, resource: str) -> bytes:
    """
    Reimplementation of the function with the same name from pkg_resources

    Using importlib for better performance

    package : str
        The package from where to start looking for resource (often __name__)
    resource : str
        The resource to look up
    """
    parent_package = package.rsplit('.',1)[0]
    return read_binary(parent_package, resource)


__all__ = ['resource_filename', 'resource_string', 'get_distribution']


1			import atexit
2			from contextlib import ExitStack
3			from pathlib import Path
4
5			try:
6			from importlib.resources import path, read_binary
7			except ImportError:
8			from importlib_resources import path, read_binary # type: ignore
9
10			try:
11			from importlib.metadata import distribution as get_distribution
12			except ImportError:
13			from importlib_metadata import distribution as get_distribution
14
15			# See https://importlib-resources.readthedocs.io/en/latest/migration.html#pkg-resources-resource-filename
16			_file_manager = ExitStack()
17			atexit.register(_file_manager.close)
18
19
20			def resource_filename(package: str, resource: str) -> Path:
21			"""
22			Reimplementation of the function with the same name from pkg_resources
23
24			Using importlib for better performance
25
26			package : str
27			The package from where to start looking for resource (often __name__)
28			resource : str
29			The resource to look up
30			"""
31			parent_package = package.rsplit('.',1)[0]
32			return _file_manager.enter_context(path(parent_package, resource))
33
34
35			def resource_string(package: str, resource: str) -> bytes:
36			"""
37			Reimplementation of the function with the same name from pkg_resources
38
39			Using importlib for better performance
40
41			package : str
42			The package from where to start looking for resource (often __name__)
43			resource : str
44			The resource to look up
45			"""
46			parent_package = package.rsplit('.',1)[0]
47			return read_binary(parent_package, resource)
48
49
50			__all__ = ['resource_filename', 'resource_string', 'get_distribution']
51

OCR-D / core

Pull Request — master (#882)

ocrd_utils.package_resources.resource_filename() A

Complexity

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Duplication

Importance

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