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# resourceutil.py - utility for looking up resources
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#
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# Copyright 2005 K. Thananchayan <thananck@yahoo.com>
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import imp
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import os
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import sys
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from .. import pycompat
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def mainfrozen():
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"""return True if we are a frozen executable.
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The code supports py2exe (most common, Windows only) and tools/freeze
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(portable, not much used).
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"""
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return (
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pycompat.safehasattr(sys, "frozen")
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or pycompat.safehasattr(sys, "importers") # new py2exe
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or imp.is_frozen("__main__") # old py2exe
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) # tools/freeze
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# the location of data files matching the source code
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if mainfrozen() and getattr(sys, 'frozen', None) != 'macosx_app':
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# executable version (py2exe) doesn't support __file__
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datapath = os.path.dirname(pycompat.sysexecutable)
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else:
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datapath = os.path.dirname(os.path.dirname(pycompat.fsencode(__file__)))
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_rootpath = os.path.dirname(datapath)
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try:
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from importlib import resources
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# Force loading of the resources module
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resources.open_binary # pytype: disable=module-attr
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def open_resource(package, name):
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return resources.open_binary( # pytype: disable=module-attr
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pycompat.sysstr(package), pycompat.sysstr(name)
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)
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except (ImportError, AttributeError):
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def _package_path(package):
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return os.path.join(_rootpath, *package.split(b'.'))
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def open_resource(package, name):
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path = os.path.join(_package_path(package), name)
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return open(path, 'rb')
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