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Rewrote binary ops on switches, added ~ operator

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Shy 2017-05-20 08:33:56 +02:00
parent 0b12f2f70e
commit e551bb233e
1 changed files with 40 additions and 35 deletions
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75
c4ctrl.py
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@ -580,27 +580,26 @@ class C4Room: # {{{1
userinput = self._interactive_light_switch()
if userinput == "": return
# Let's support some geeky binary operations!
mode = 'n' # n = normal, a = AND, o = OR, x = XOR.
if not userinput.isdecimal():
if userinput == '-':
print(self.get_switch_state())
return
if userinput == '-':
print(self.get_switch_state())
return
elif userinput[0] == '&' and userinput[1:].strip().isdecimal():
# AND operator, applied later after doing some more validation.
userinput = userinput[1:].strip()
mode = 'a'
# Let's support some binary operations!
ops = "" # Store operators.
while not userinput.isdecimal():
if userinput == "":
# Huh, no operand given. oO
if ops[-1:] == '~':
# The NOT operator may work on the current switch state.
userinput = self.get_switch_state()
else:
print("Error: missing operand after '{}'!".format(ops[-1]),
file=sys.stderr)
return
elif userinput[0] == '|' and userinput[1:].strip().isdecimal():
# OR operator, applied later after doing some more validation.
elif userinput[0] in "&|^~":
ops += userinput[0]
userinput = userinput[1:].strip()
mode = 'o'
elif userinput[0] == '^' and userinput[1:].strip().isdecimal():
# XOR operator, applied later after doing some more validation.
userinput = userinput[1:].strip()
mode = 'x'
elif (userinput[:2] == ">>" or userinput[:2] == "<<") \
and (userinput[2:].strip() == "" or userinput[2:].strip().isdecimal()):
@ -649,18 +648,24 @@ class C4Room: # {{{1
print("Error: invalid digit: " + digit, file=sys.stderr)
return False
if mode == 'a': # AND operator.
switch_state = self.get_switch_state()
userinput = "".join(map(lambda x, y: str(int(x) & int(y)),
userinput, switch_state))
elif mode == 'o': # OR operator.
switch_state = self.get_switch_state()
userinput = "".join(map(lambda x, y: str(int(x) | int(y)),
userinput, switch_state))
elif mode == 'x': # XOR operator.
switch_state = self.get_switch_state()
userinput = "".join(map(lambda x, y: str(int(x) ^ int(y)),
userinput, switch_state))
while ops:
# Apply modifiers.
if ops[-1] == '~': # NOT operator.
userinput = "".join(map(lambda i: i == '0' and '1' or '0',
userinput))
elif ops[-1] == '&': # AND operator.
switch_state = self.get_switch_state()
userinput = "".join(map(lambda x, y: str(int(x) & int(y)),
userinput, switch_state))
elif ops[-1] == '|': # OR operator.
switch_state = self.get_switch_state()
userinput = "".join(map(lambda x, y: str(int(x) | int(y)),
userinput, switch_state))
elif ops[-1] == '^': # XOR operator.
switch_state = self.get_switch_state()
userinput = "".join(map(lambda x, y: str(int(x) ^ int(y)),
userinput, switch_state))
ops = ops[:-1]
command=[]
for i in range(len(self.switches)):
@ -1295,11 +1300,11 @@ if __name__ == "__main__": # {{{1
# Switch control
group_sw = parser.add_argument_group(title="light switch control",
description="BINARY_CODE is a string of 0s or 1s for every light in a \
room. May be given as decimal. May be prepended by '&', '|' or '^' as \
AND, OR and XOR operators. Current switch states will be printed to \
stdout if BINARY_CODE is '-'. Will show usage information and ask for \
input if BINARY_CODE is omitted. Will read from stdin if BINARY_CODE \
is omitted and stdin is not connected to a TTY.")
room. May be given as decimal. May be prepended by '~', '&', '|' or \
'^' as NOT, AND, OR and XOR operators. Current switch states will be \
printed to stdout if BINARY_CODE is '-'. Will show usage information \
and ask for input if BINARY_CODE is omitted. Will read from stdin if \
BINARY_CODE \ is omitted and stdin is not connected to a TTY.")
group_sw.add_argument(
"-W", nargs='?', dest="w_switch", const="", metavar="BINARY_CODE",
help="switch lights in Wohnzimmer on/off")