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