dsl example added

This commit is contained in:
onyx-and-iris 2022-06-18 22:16:45 +01:00
parent 04984e2f7a
commit de56a5d9ff

93
examples/dsl/vm_dsl.py Normal file
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import time
import voicemeeterlib
from pyparsing import (
Combine,
Group,
OneOrMore,
Optional,
Suppress,
Word,
alphanums,
alphas,
nums,
)
class Parser:
def __init__(self, vm):
self.vm = vm
self.kls = Word(alphas)
self.token = Suppress("->")
self.index = Word(nums)
self.action = Word(alphanums)
def parse(self, cmds):
event = (
self.kls
+ self.token
+ self.index
+ self.token
+ self.action
+ Optional(
Combine(
Optional("-") + Word(nums) + Optional(".") + Optional(Word(nums))
)
)
+ Optional(self.action)
+ Optional(self.token)
+ Optional(Group(OneOrMore(Word(alphanums))))
)
for cmd in cmds:
kls, index, param, val = event.parseString(cmd)
kls = "".join(kls)
index = int(*index)
target = getattr(self.vm, kls)[index]
if val in ["on", "off"]:
setattr(target, param, 1 if val == "on" else 0)
if param in ["gain", "comp", "gate", "limit", "audibility"]:
setattr(target, param, float(val))
if param in ["label"]:
val = " ".join(val)
setattr(target, param, val)
time.sleep(0.05)
def main(cmds=None):
with voicemeeterlib.api("banana") as vm:
parser = Parser(vm)
if cmds:
parser.parse(cmds)
else:
try:
while True:
cmd = input("please enter command (Return to exit)\n")
if not cmd:
break
parser.parse((cmd,))
except KeyboardInterrupt as e:
SystemExit(e)
if __name__ == "__main__":
cmds = (
"strip -> 0 -> mute on",
"bus -> 0 -> mute on",
"strip -> 0 -> mute off",
"bus -> 0 -> mute on",
"strip -> 3 -> solo on",
"strip -> 3 -> solo off",
"strip -> 1 -> A1 on",
"strip -> 1 -> A1 off",
"bus -> 3 -> eq on",
"bus -> 3 -> eq off",
"strip -> 4 -> gain 1.2",
"strip -> 0 -> gain -8.2",
"strip -> 1 -> label -> rode podmic",
"strip -> 2 -> limit -28",
)
# pass cmds to parse cmds, otherwise simply run main() to test stdin parsing
main(cmds)