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tools: fix flake8 Python style warnings

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2017-07-10 10:07:03 +10:00
parent 6b42fdd3c5
commit c196a160c9
1 changed files with 53 additions and 25 deletions
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78
tools/libinput-measure-touchpad-pressure
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@ -30,6 +30,7 @@ import evdev
import evdev.ecodes
import pyudev
class Range(object):
"""Class to keep a min/max of a value around"""
def __init__(self):
@ -40,12 +41,14 @@ class Range(object):
self.min = min(self.min, value)
self.max = max(self.max, value)
class Touch(object):
"""A single data point of a sequence (i.e. one event frame)"""
def __init__(self, pressure=None):
self.pressure = pressure
class TouchSequence(object):
"""A touch sequence from beginning to end"""
@ -96,12 +99,15 @@ class TouchSequence(object):
return self._str_state() if self.is_active else self._str_summary()
def _str_summary(self):
s = "Sequence {} pressure: min: {:3d} max: {:3d} avg: {:3d} median: {:3d} tags:".format(
s = "Sequence {} pressure: "\
"min: {:3d} max: {:3d} avg: {:3d} median: {:3d} tags:" \
.format(
self.tracking_id,
self.prange.min,
self.prange.max,
self.avg(),
self.median())
self.median()
)
if self.was_down:
s += " down"
if self.was_palm:
@ -110,18 +116,21 @@ class TouchSequence(object):
return s
def _str_state(self):
s = "Touchpad pressure: {:3d} min: {:3d} max: {:3d} tags: {} {}".format(
self.points[-1].pressure,
self.prange.min,
self.prange.max,
"down" if self.is_down else " ",
"palm" if self.is_palm else " "
)
s = "Touchpad pressure: {:3d} min: {:3d} max: {:3d} tags: {} {}" \
.format(
self.points[-1].pressure,
self.prange.min,
self.prange.max,
"down" if self.is_down else " ",
"palm" if self.is_palm else " "
)
return s
class InvalidDeviceError(Exception):
pass
class Device(object):
def __init__(self, path):
if path is None:
@ -135,7 +144,8 @@ class Device(object):
#
# Get the abs list first (or empty list if missing),
# then extract the pressure absinfo from that
caps = self.device.capabilities(absinfo=True).get(evdev.ecodes.EV_ABS, [])
all_caps = self.device.capabilities(absinfo=True)
caps = all_caps.get(evdev.ecodes.EV_ABS, [])
p = [cap[1] for cap in caps if cap[0] == evdev.ecodes.ABS_MT_PRESSURE]
if not p:
raise InvalidDeviceError("device does not have ABS_MT_PRESSURE")
@ -146,7 +156,7 @@ class Device(object):
# libinput defaults
self.up = int(p.min + 0.12 * prange)
self.down = int(p.min + 0.10 * prange)
self.palm = 130 # the libinput default
self.palm = 130 # the libinput default
self._init_thresholds_from_udev()
self.sequences = []
@ -157,7 +167,8 @@ class Device(object):
if not device.get('ID_INPUT_TOUCHPAD', 0):
continue
if not device.device_node or not device.device_node.startswith('/dev/input/event'):
if not device.device_node or \
not device.device_node.startswith('/dev/input/event'):
continue
return device.device_node
@ -181,13 +192,18 @@ class Device(object):
def current_sequence(self):
return self.sequences[-1]
def handle_key(device, event):
tapcodes = [evdev.ecodes.BTN_TOOL_DOUBLETAP,
evdev.ecodes.BTN_TOOL_TRIPLETAP,
evdev.ecodes.BTN_TOOL_QUADTAP,
evdev.ecodes.BTN_TOOL_QUINTTAP]
tapcodes = [
evdev.ecodes.BTN_TOOL_DOUBLETAP,
evdev.ecodes.BTN_TOOL_TRIPLETAP,
evdev.ecodes.BTN_TOOL_QUADTAP,
evdev.ecodes.BTN_TOOL_QUINTTAP
]
if event.code in tapcodes and event.value > 0:
print("\rThis tool cannot handle multiple fingers, output will be invalid", file=sys.stderr)
print("\rThis tool cannot handle multiple fingers, "
"output will be invalid", file=sys.stderr)
def handle_abs(device, event):
if event.code == evdev.ecodes.ABS_MT_TRACKING_ID:
@ -202,12 +218,14 @@ def handle_abs(device, event):
s.append(Touch(pressure=event.value))
print("\r{}".format(s), end="")
def handle_event(device, event):
if event.type == evdev.ecodes.EV_ABS:
handle_abs(device, event)
handle_abs(device, event)
elif event.type == evdev.ecodes.EV_KEY:
handle_key(device, event)
def loop(device):
print("Ready for recording data.")
print("Pressure range used: {}:{}".format(device.down, device.up))
@ -218,6 +236,7 @@ def loop(device):
for event in device.device.read_loop():
handle_event(device, event)
def colon_tuple(string):
try:
ts = string.split(':')
@ -230,14 +249,23 @@ def colon_tuple(string):
msg = "{} is not in format N:M (N >= M)".format(string)
raise argparse.ArgumentTypeError(msg)
def main(args):
parser = argparse.ArgumentParser(description="Measure touchpad pressure values")
parser.add_argument('path', metavar='/dev/input/event0',
nargs='?', type=str, help='Path to device (optional)' )
parser.add_argument('--touch-thresholds', metavar='down:up',
type=colon_tuple, help='Thresholds when a touch is logically down or up')
parser.add_argument('--palm-threshold', metavar='t',
type=int, help='Threshold when a touch is a palm')
parser = argparse.ArgumentParser(
description="Measure touchpad pressure values"
)
parser.add_argument(
'path', metavar='/dev/input/event0', nargs='?', type=str,
help='Path to device (optional)'
)
parser.add_argument(
'--touch-thresholds', metavar='down:up', type=colon_tuple,
help='Thresholds when a touch is logically down or up'
)
parser.add_argument(
'--palm-threshold', metavar='t', type=int,
help='Threshold when a touch is a palm'
)
args = parser.parse_args()
try: