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Add is_7zip_supported function

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This commit is contained in:
Mathieu Comandon 2016-10-24 17:27:00 -07:00
parent 335071faf9
commit 0419c8bc2d
1 changed files with 20 additions and 0 deletions
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20
lutris/util/extract.py
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@ -7,6 +7,24 @@ from lutris.util.system import merge_folders
from lutris.util.log import logger
def is_7zip_supported(path, extractor):
supported_extractors = ('ar', 'arj', 'cab', 'chm', 'cpio', 'cramfs', 'dmg', 'ext',
'fat', 'gpt', 'hfs', 'ihex', 'iso', 'lzh', 'lzma', 'mbr',
'msi', 'nsis', 'ntfs', 'qcow2', 'rar', 'rpm', 'squashfs',
'udf', 'uefi', 'vdi', 'vhd', 'vmdk', 'wim', 'xar', 'z')
if extractor:
return extractor in supported_extractors
else:
_base, ext = os.path.splitext(path)
if ext:
ext = ext.lstrip('.').lower()
return ext in supported_extractors
def extract_7zip(path):
raise NotImplementedError
def extract_archive(path, to_directory='.', merge_single=True, extractor=None):
path = os.path.abspath(path)
logger.debug("Extracting %s to %s", path, to_directory)
@ -19,6 +37,8 @@ def extract_archive(path, to_directory='.', merge_single=True, extractor=None):
elif(path.endswith('.tar.bz2') or path.endswith('.tbz')
or extractor == 'bz2'):
opener, mode = tarfile.open, 'r:bz2'
elif(is_7zip_supported(path, extractor)):
opener = extract_7zip
else:
raise RuntimeError(
"Could not extract `%s` as no appropriate extractor is found"