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"""This is a wrapper around pymagic. | ||
It aims to provide the same API but with the ability to load multiple magic | ||
files in the default api. | ||
""" | ||
import magic as pymagic | ||
import os | ||
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from helperFunctions.fileSystem import get_src_dir | ||
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# Default magic database according to libmagic(3) | ||
_default_magic = os.getenv('MAGIC', '/usr/share/file/misc/magic.mgc') | ||
_fact_magic = f'{get_src_dir()}/bin/fact.mgc' | ||
_internal_symlink_magic = f'{get_src_dir()}/bin/internal_symlink.mgc' | ||
_magic_file = f'{_internal_symlink_magic}:{_fact_magic}:{_default_magic}' | ||
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_instances = {} | ||
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def _get_magic_instance(**kwargs): | ||
"""Returns an instance of pymagic.Maigc""" | ||
# Dicts are not hashable but sorting and creating a tuple is a valid hash | ||
key = hash(tuple(sorted(kwargs.items()))) | ||
i = _instances.get(key) | ||
if i is None: | ||
i = _instances[key] = pymagic.Magic(**kwargs) | ||
return i | ||
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def from_file(filename, magic_file=_magic_file, **kwargs) -> str: | ||
"""Like pymagic's ``magic.from_file`` but it accepts all keyword arguments | ||
that ``magic.Magic`` accepts. | ||
""" | ||
m = _get_magic_instance(magic_file=magic_file, **kwargs) | ||
return m.from_file(filename) | ||
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return pymagic.from_file(filename, magic_file=magic_file, **kwargs) | ||
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def from_buffer(filename, magic_file=_magic_file, **kwargs) -> str: | ||
"""Like pymagic's ``magic.from_buffer`` but it accepts all keyword arguments | ||
that ``magic.Magic`` accepts. | ||
""" | ||
m = _get_magic_instance(magic_file=magic_file, **kwargs) | ||
return m.from_file(filename) |
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# ====================== faf internal ====================== | ||
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# ---- faf internal link representation ---- | ||
0 string symbolic\ link\ -> symbolic link | ||
>17 string x to '%s' | ||
!:mime inode/symlink |