Stroke handling helper library for Plover
Project description
Plover Stroke
Helper class for working with steno strokes.
Usage:
# Setup:
from plover_stroke import BaseStroke
class Stroke(BaseStroke):
pass
Stroke.setup(
# System keys.
'''
#
S- T- K- P- W- H- R-
A- O-
*
-E -U
-F -R -P -B -L -G -T -S -D -Z
'''.split(),
# Implicit hyphen keys (optional, automatically
# deduced from system keys if not passed).
'A- O- * -E -U'.split(),
# Number bar key and numbers keys (optional).
'#', {
'S-': '1-',
'T-': '2-',
'P-': '3-',
'H-': '4-',
'A-': '5-',
'O-': '0-',
'-F': '-6',
'-P': '-7',
'-L': '-8',
'-T': '-9',
})
# Creating strokes:
Stroke(56)
# => KPW
Stroke(('-F', 'S-', '-S', 'A-', '*'))
# => SA*FS
Stroke('R-')
# => R
Stroke('L-')
# => invalid, raise a ValueError
# Methods:
s = Stroke('STK')
s.keys()
# => ['S-', 'T-', 'K-']
s.isnumber()
# => False
int(s)
# => 14
s == 0b00000000000000000001110
# => True
# Strokes can be compared:
sorted(map(Stroke, 'AOE ST-PB *Z # R-R'.split()))
# => [#, ST-PB, R-R, AOE, *Z]
# Generating a range of strokes:
list(Stroke.xrange('ST', 'TP'))
# => [ST, 12, K, #K, SK, #SK, TK, #TK, STK, #STK, P, 3, SP, 13]
# Generating list of possible suffix strokes:
list(Stroke('-T').xsuffixes())
# => [-TS, -TD, -TSD, -TZ, -TSZ, -TDZ, -TSDZ]
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