def get_cffi_modules():
cffi_modules = [
'libqtile/pango_ffi_build.py:pango_ffi',
'libqtile/backend/x11/xcursors_ffi_build.py:xcursors_ffi',
]
try:
from cffi.error import PkgConfigError
from cffi.pkgconfig import call
except ImportError:
# technically all ffi defined above wont be built
print('CFFI package is missing')
else:
try:
call('libpulse', '--libs')
except PkgConfigError:
print('Failed to find pulseaudio headers. '
'PulseVolume widget will be unavailable')
else:
cffi_modules.append(
'libqtile/widget/pulseaudio_ffi.py:pulseaudio_ffi')
try:
import wlroots.ffi_build
cffi_modules.append(
'libqtile/backend/wayland/libinput_ffi_build.py:libinput_ffi', )
except ImportError:
print("Failed to find pywlroots. "
"Wayland backend libinput configuration will be unavailable.")
pass
return cffi_modules
def test_call():
saved = pkgconfig.subprocess
try:
pkgconfig.subprocess = mock_subprocess
mock_subprocess.RESULT = None
e = py.test.raises(PkgConfigError, pkgconfig.call, "libfoo", "--cflags")
assert str(e.value) == "cannot run pkg-config: oops can't run"
mock_subprocess.RESULT = b"", "Foo error!\n", 1
e = py.test.raises(PkgConfigError, pkgconfig.call, "libfoo", "--cflags")
assert str(e.value) == "Foo error!"
mock_subprocess.RESULT = b"abc\\def\n", "", 0
e = py.test.raises(PkgConfigError, pkgconfig.call, "libfoo", "--cflags")
assert str(e.value).startswith("pkg-config --cflags libfoo returned an "
"unsupported backslash-escaped output:")
mock_subprocess.RESULT = b"abc def\n", "", 0
result = pkgconfig.call("libfoo", "--cflags")
assert result == "abc def\n"
mock_subprocess.RESULT = b"abc def\n", "", 0
result = pkgconfig.call("libfoo", "--cflags")
assert result == "abc def\n"
if sys.version_info >= (3,):
mock_subprocess.RESULT = b"\xff\n", "", 0
e = py.test.raises(PkgConfigError, pkgconfig.call,
"libfoo", "--cflags", encoding="utf-8")
assert str(e.value) == (
"pkg-config --cflags libfoo returned bytes that cannot be "
"decoded with encoding 'utf-8':\nb'\\xff\\n'")
finally:
pkgconfig.subprocess = saved