ocrd_utils.os.pushd_popd() - Code Metrics - Inspection of ":package: v2.15.0" - OCR-D/core - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( e41ba7...8dafba )

by Konstantin

created 2020-08-28 07:31 UTC

ocrd_utils.os.pushd_popd() B

↳ Parent: ocrd_utils.os

Complexity

Conditions

Size

Total Lines	20
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	17
dl	0
loc	20
rs	8
c	0
b	0
f	0
cc	7
nop	2

"""
Operating system functions.
"""
__all__ = [
    'abspath',
    'pushd_popd',
    'unzip_file_to_dir',
]

from tempfile import TemporaryDirectory
import contextlib
from os import getcwd, chdir
import os.path

from zipfile import ZipFile

def abspath(url):
    """
    Get a full path to a file or file URL

    See os.abspath
    """
    if url.startswith('file://'):
        url = url[len('file://'):]
    return os.path.abspath(url)

@contextlib.contextmanager
def pushd_popd(newcwd=None, tempdir=False):
    if newcwd and tempdir:
        raise Exception("pushd_popd can accept either newcwd or tempdir, not both")
    try:
        oldcwd = getcwd()
    except FileNotFoundError as e:  # pylint: disable=unused-variable
        # This happens when a directory is deleted before the context is exited
        oldcwd = '/tmp'
    try:
        if tempdir:
            with TemporaryDirectory() as tempcwd:
                chdir(tempcwd)
                yield tempcwd
        else:
            if newcwd:
                chdir(newcwd)
            yield newcwd
    finally:
        chdir(oldcwd)

def unzip_file_to_dir(path_to_zip, output_directory):
    """
    Extract a ZIP archive to a directory
    """
    z = ZipFile(path_to_zip, 'r')
    z.extractall(output_directory)
    z.close()




1			"""
2			Operating system functions.
3			"""
4			__all__ = [
5			'abspath',
6			'pushd_popd',
7			'unzip_file_to_dir',
8			]
9
10			from tempfile import TemporaryDirectory
11			import contextlib
12			from os import getcwd, chdir
13			import os.path
14
15			from zipfile import ZipFile
16
17			def abspath(url):
18			"""
19			Get a full path to a file or file URL
20
21			See os.abspath
22			"""
23			if url.startswith('file://'):
24			url = url[len('file://'):]
25			return os.path.abspath(url)
26
27			@contextlib.contextmanager
28			def pushd_popd(newcwd=None, tempdir=False):
29			if newcwd and tempdir:
30			raise Exception("pushd_popd can accept either newcwd or tempdir, not both")
31			try:
32			oldcwd = getcwd()
33			except FileNotFoundError as e: # pylint: disable=unused-variable
34			# This happens when a directory is deleted before the context is exited
35			oldcwd = '/tmp'
36			try:
37			if tempdir:
38			with TemporaryDirectory() as tempcwd:
39			chdir(tempcwd)
40			yield tempcwd
41			else:
42			if newcwd:
43			chdir(newcwd)
44			yield newcwd
45			finally:
46			chdir(oldcwd)
47
48			def unzip_file_to_dir(path_to_zip, output_directory):
49			"""
50			Extract a ZIP archive to a directory
51			"""
52			z = ZipFile(path_to_zip, 'r')
53			z.extractall(output_directory)
54			z.close()
55
56
57

OCR-D / core

Push — master ( e41ba7...8dafba )

ocrd_utils.os.pushd_popd() B

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