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'''
Common objects for testing
==========================
* :class:`PlatformTest` - used as a decorator, allows running a test function
only on a specific platform (see `plyer.utils.platform`).
* :func:`platform_import` - manual import of a platform specific class instead
of using `plyer.facades.*` proxies.
'''
import traceback
from os import sep
from os.path import normpath, splitdrive
from plyer.utils import platform as plyer_platform
class PlatformTest:
'''
Class for the @PlatformTest decorator to prevent running tests
calling platform dependent API on different platforms.
'''
def __init__(self, platform):
self.platform = platform
def __call__(self, func):
platform = self.platform
if platform != plyer_platform:
print("Skipping test '{}' - not on '{}'".format(
func.__name__, platform
))
func = self.eat
return func
@staticmethod
def eat(*args, **kwargs):
'''
Simply eat all positional and keyword arguments
and return None as an empty function.
'''
def platform_import(platform, module_name, whereis_exe=None):
'''
Import platform API directly instead of through Proxy.
'''
try:
module = 'plyer.platforms.{}.{}'.format(
platform, module_name
)
mod = __import__(module, fromlist='.')
except ImportError as exc:
print(vars(exc))
traceback.print_exc()
if whereis_exe:
mod.whereis_exe = whereis_exe
return mod
def splitpath(path):
'''
Split string path into a list of folders (+ file if available).
'''
if path[0] == sep and path[1] != sep:
path = path[1:]
path = normpath(path).split(sep)
else:
drive, path = splitdrive(path)
if path[0] == sep and path[1] != sep:
path = path[1:]
path = [drive, ] + normpath(path).split(sep)
return path
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