def _grab(to_file, childprocess=True, backend=None, bbox=None, filename=None):
if childprocess:
log.debug('running "%s" in child process', backend)
return run_in_childprocess(_grab_simple, imcodec.codec, to_file,
backend, bbox, filename)
else:
return _grab_simple(to_file, backend, bbox, filename)
def backend_version(backend, childprocess=True):
'''Back-end version
:param backend: back-end (examples:scrot, wx,..)
:param childprocess: see :py:func:`grab`
:return: version as string
'''
if not childprocess:
return _backend_version(backend)
else:
return run_in_childprocess(_backend_version, None, backend)
def _grab(to_file, childprocess, backend=None, bbox=None, filename=None):
if bbox:
x1, y1, x2, y2 = bbox
if x2 <= x1:
raise ValueError('bbox x2<=x1')
if y2 <= y1:
raise ValueError('bbox y2<=y1')
if childprocess:
log.debug('running "%s" in child process', backend)
return run_in_childprocess(
_grab_simple, imcodec.codec, to_file, backend, bbox, filename)
else:
return _grab_simple(to_file, backend, bbox, filename)
def backend_version(backend, childprocess=None):
"""Back-end version.
:param backend: back-end (examples:scrot, wx,..)
:param childprocess: see :py:func:`grab`
:return: version as string
"""
if childprocess is None:
childprocess = childprocess_default_value()
if not childprocess:
return _backend_version(backend)
else:
return run_in_childprocess(_backend_version, None, backend)
def test():
eq_(3, run_in_childprocess(lambda: 3))
eq_(4, run_in_childprocess(lambda x: 3 + x, None, 1))
eq_(5, run_in_childprocess(lambda x: 3 + x, None, x=2))
def test_exc():
eq_(3, run_in_childprocess(exc))
def test_codec():
coder = decoder = lambda x: x + 4
eq_(12, run_in_childprocess(lambda x: 3 + x, (coder, decoder), 1))
def _grab(to_file, childprocess=True, backend=None, bbox=None, filename=None, timeout=20):
if childprocess:
log.debug('running "%s" in child process', backend)
return run_in_childprocess(_grab_simple, imcodec.codec, to_file, backend, bbox, filename, timeout=timeout)
else:
return _grab_simple(to_file, backend, bbox, filename)
def childprocess_grab(_grab_simple, backend, bbox):
if POPEN:
return childprocess_grab_popen(backend, bbox)
else:
return run_in_childprocess(_grab_simple, codec, backend, bbox)
def childprocess_backend_version(_backend_version, backend):
if POPEN:
return childprocess_backend_version_popen(backend)
else:
return run_in_childprocess(_backend_version, None, backend)
def test_codec():
coder = decoder = f4px
eq_(12, run_in_childprocess(f3px, (coder, decoder), 1))
def test():
eq_(3, run_in_childprocess(f3))
eq_(4, run_in_childprocess(f3px, None, 1))
eq_(5, run_in_childprocess(f3px, None, x=2))
def _grab(to_file, childprocess=False, backend=None, bbox=None, filename=None):
if childprocess:
log.debug('running "%s" in child process', backend)
return run_in_childprocess(_grab_simple, (_coder, _decoder), to_file, backend, bbox, filename)
else:
return _grab_simple(to_file, backend, bbox, filename)
def test_showgrabbox():
with Display(visible=0, size=(800, 600)):
run_in_childprocess(target=showgrabbox_subprocess)
def test_showgrabfullscreen():
with Display(visible=0, size=(800, 600)):
run_in_childprocess(target=showgrabfullscreen_subprocess)
