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- import os
- import sys
- from .common import PY_VERSION, IS_PYPY, IS_WIN, ABI_FLAGS
- from .logger import LoggerInstance as _LoggerInstance
- def mkdir(at_path):
- if not os.path.exists(at_path):
- _LoggerInstance.info("Creating %s", at_path)
- os.makedirs(at_path)
- else:
- _LoggerInstance.info("Directory %s already exists", at_path)
- def is_executable(exe):
- """Checks a file is executable"""
- return os.path.isfile(exe) and os.access(exe, os.X_OK)
- def path_locations(home_dir, dry_run=False):
- """Return the path locations for the environment (where libraries are,
- where scripts go, etc)"""
- home_dir = os.path.abspath(home_dir)
- lib_dir, inc_dir, bin_dir = None, None, None
- # XXX: We'd use distutils.sysconfig.get_python_inc/lib but its
- # prefix arg is broken: http://bugs.python.org/issue3386
- if IS_WIN:
- # Windows has lots of problems with executables with spaces in
- # the name; this function will remove them (using the ~1
- # format):
- if not dry_run:
- mkdir(home_dir)
- if " " in home_dir:
- import ctypes
- get_short_path_name = ctypes.windll.kernel32.GetShortPathNameW
- size = max(len(home_dir) + 1, 256)
- buf = ctypes.create_unicode_buffer(size)
- try:
- # noinspection PyUnresolvedReferences
- u = unicode
- except NameError:
- u = str
- ret = get_short_path_name(u(home_dir), buf, size)
- if not ret:
- print('Error: the path "{}" has a space in it'.format(home_dir))
- print("We could not determine the short pathname for it.")
- print("Exiting.")
- sys.exit(3)
- home_dir = str(buf.value)
- lib_dir = os.path.join(home_dir, "Lib")
- inc_dir = os.path.join(home_dir, "Include")
- bin_dir = os.path.join(home_dir, "Scripts")
- if IS_PYPY:
- lib_dir = home_dir
- inc_dir = os.path.join(home_dir, "include")
- bin_dir = os.path.join(home_dir, "bin")
- elif not IS_WIN:
- lib_dir = os.path.join(home_dir, "lib", PY_VERSION)
- inc_dir = os.path.join(home_dir, "include", PY_VERSION + ABI_FLAGS)
- bin_dir = os.path.join(home_dir, "bin")
- return home_dir, lib_dir, inc_dir, bin_dir
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