Improve support for functions #1

smnp/Audio.py

@@ -1,10 +0,0 @@
-import pysine
-from Note import Note, NotePitch
-import time
-
-BREAK = 0
-
-
-    #TODO: duration powinno byc w prawdziwych nutach: 4 = cwierc, 2 = pol etc.
-
-    

smnp/Evaluator.py

@@ -1,5 +1,3 @@
-from Tokenizer import tokenize, TokenType
-from Parser import parse
 from AST import *
 from Note import Note
 from Error import RuntimeException
@@ -25,20 +23,7 @@ def evaluateString(string, environment):
             value = value.replace('{' + k + '}', objectString(v)) #TODO: poprawic
     return value
 
-def objectString(obj):    
+
-    if isinstance(obj, str):
-        return obj
-    if isinstance(obj, int):       
-        return str(obj)
-    if isinstance(obj, Note):
-        return obj.note.name
-    if isinstance(obj, list):
-        return "(" + ", ".join([objectString(v) for v in obj]) + ")"
-    if isinstance(obj, float):
-        return f"{int(obj*100)}%"
-    if obj is None:
-        raise RuntimeException(None, f"Trying to interpret void")
-    raise RuntimeException(None, f"Don't know how to interpret {str(obj)}")
 
 def evaluateNote(note, environment):
     return note.value

smnp/Synth.py

@@ -1,43 +0,0 @@
-import numpy as np
-import sounddevice as sd
-from Note import Note
-import os
-import sys
-import time
-
-FS = 44100 
-
-
-def play(args, env):
-    if len(args) > 0 and isinstance(args[0], list):
-        playList(args[0], env)
-        return    
-    playList(args, env)    
-
-def playList(notes, env):
-    bpm = env.findVariable("bpm", int)
-    if all(isinstance(x, Note) or isinstance(x, int) for x in notes):
-        for x in notes:
-            if isinstance(x, Note):
-                playNote(x, bpm)
-            if isinstance(x, int):
-                doPause(x, bpm)     
-
-def playNote(note, bpm):
-    frequency = note.toFrequency()
-    duration = 60 * 4 / note.duration / bpm
-    duration *= 1.5 if note.dot else 1
-    sine(frequency, duration)       
-    
-def sine(frequency, duration):
-    samples = (np.sin(2*np.pi*np.arange(FS*duration)*frequency/FS)).astype(np.float32)
-    sd.play(samples, FS)    
-    time.sleep(duration)
-    
-def doPause(value, bpm):
-    time.sleep(60 * 4 / value / bpm)
-    
-def pause(args, env):
-    bpm = env.findVariable("bpm")
-    value = args[0]
-    doPause(value, bpm)

smnp/environment/Environment.py

@@ -1,251 +0,0 @@
-import sys
-from parser.Environment import objectString
-from Note import *
-import random
-import Synth
-import time
-from Error import RuntimeException
-from NoiseDetector import waitForSound
-from Parser import parseNote
-from Tokenizer import Token, TokenType, tokenizeNote
-from functools import reduce
-
-types = {
-    int: 'integer',
-    str: 'string',
-    list: 'list',
-    float: 'percent',
-    Note: 'note', 
-    type(None): 'void'
-}
-
-class Environment():
-    def __init__(self, scopes, functions, methods):
-        self.scopes = scopes
-        self.functions = functions
-        self.methods = methods
-        self.customFunctions = {}
-        self.callStack = []        
-    
-    def findVariable(self, name, type=None):
-        for scope in reversed(self.scopes):
-            if name in scope:
-                value = scope[name]
-                if type is not None:
-                    if isinstance(value, type): 
-                        return value         
-                else:
-                    return value
-        raise RuntimeException(None, f"Variable '{name}' is not declared" + ("" if type is None else f" (expected type: {types[type]})"))
-    
-    def findVariableScope(self, name, type=None):
-        for scope in reversed(self.scopes):
-            if name in scope:                
-                if type is not None:
-                    if isinstance(scope[name], type): 
-                        return scope         
-                else:
-                    return scope        
- 
-def doPrint(args, env):    
-    print("".join([objectString(arg) for arg in args]))
-
-def semitonesList(list):
-    for x in list:
-        if not isinstance(x, Note) and not isistance(x, int):
-            pass # invalid arguments
-    withoutPauses = tuple(filter(lambda x: isinstance(x, Note), list))    
-    r = [Note.checkInterval(withoutPauses[i-1], withoutPauses[i]) for i, _ in enumerate(withoutPauses) if i != 0]
-    return r
-
-def returnElementOrList(list):
-    return list[0] if len(list) == 1 else list
-
-def semitones(args, env):
-    if len(args) > 0 and isinstance(args[0], list):
-        return returnElementOrList(semitonesList(args[0]))
-    return returnElementOrList(semitonesList(args))
-
-def intervalList(list):    
-    r = [intervalToString(x) for x in semitonesList(list)]
-    return returnElementOrList(r)
-
-def interval(args, env):    
-    if len(args) > 0 and isinstance(args[0], list):        
-        return intervalList(args[0])
-    return intervalList(args)
-
-def transposeTo(args, env):    
-    if len(args) > 1 and isinstance(args[0], Note) and all(isinstance(x, list) for i, x in enumerate(args) if i != 0):        
-        target = args[0]        
-        result = []
-        for i, notes in enumerate(args):
-            if i == 0:
-                continue
-            if len(notes) > 0:
-                first = notes[0]
-                semitones = semitonesList([first, target])[0]
-                result.append([note.transpose(semitones) for note in notes if isinstance(note, Note)])
-            else:
-                result.append([])
-        return returnElementOrList(result)    
-    else:
-        pass # not valid signature
-                
- 
-def transpose(args, env):    
-    if len(args) > 1 and isinstance(args[0], int) and all(isinstance(arg, list) for i, arg in enumerate(args) if i != 0):
-        value = args[0]
-        transposed = []
-        for i, arg in enumerate(args):            
-            if i == 0:
-                continue
-            if not isinstance(arg, list):
-                return # is not list            
-            transposed.append([note.transpose(value) for note in arg if isinstance(note, Note)])
-        return returnElementOrList(transposed)
-    if len(args) > 1 and all(isinstance(arg, Note) for i, arg in enumerate(args) if i != 0):        
-        value = args[0]
-        transposed = [note.transpose(value) for i, note in enumerate(args) if i != 0]
-        return returnElementOrList(transposed)
-    else:
-        return # not valid signature
-
-def objectType(args, env):
-    if len(args) == 1:
-        return types[type(args[0])]
-    else:
-        pass # not valid signature
-
-def exit(args, env):
-    if len(args) == 1 and isinstance(args[0], int):
-        sys.exit(args[0])
-    else:
-        pass # not valid signature
-
-def sleep(args, env):
-    if len(args) == 1 and isinstance(args[0], int):
-        time.sleep(args[0])
-    else:
-        pass # not valid signature
-
-def rand(args, env):
-    if not all(isinstance(x, list) and len(x) == 2 and isinstance(x[0], float) for x in args):
-        return # not valid signature
-    if sum([x[0] for x in args]) != 1.0:
-        return # not sums to 100%
-    choice = random.random()
-    acc = 0
-    for e in args:
-        acc += e[0]
-        if choice <= acc:
-            return e[1]
-
-def read(args, env):
-    if len(args) == 2 and isinstance(args[0], str) and isinstance(args[1], str):
-        print(args[0], end="")
-        value = input()
-        if args[1] == "integer":
-            try:
-                return int(value)
-            except ValueError as v:
-                pass # not int
-        elif args[1] == "string":
-            return value
-        elif args[1] == "note":       
-            chars, token = tokenizeNote(value, 0, 0)
-            if chars == 0:                
-                return # not note            
-            return parseNote([token], None).value
-        else:
-            pass # invalid type
-    elif len(args) == 1 and isinstance(args[0], str):
-        print(args[0], end="")
-        return input()
-    elif len(args) == 0:
-        return input()
-    else:
-        pass # not valid signature
-
-def changeDuration(args, env):
-    if len(args) == 2 and isinstance(args[0], Note) and isinstance(args[1], int):
-        return args[0].withDuration(args[1])
-    return # invalid signature
-
-def changeOctave(args, env):
-    if len(args) == 2 and isinstance(args[0], Note) and isinstance(args[1], int):
-        return args[0].withOctave(args[1])
-    return # invalid signature
-
-def tupletList(n, m, list):    
-    return [note.withDuration(note.duration * n / m) for note in list]
-
-def tuplet(args, env):
-    if len(args) > 2 and type(args[0]) == int and type(args[1]) == int and all(type(x) == Note for x in args[2:]):
-        n = args[0] # how many notes
-        m = args[1] # instead of number of notes (3-tuplet: 3 instead 2; 5-tuplet: 5 instead 4 etc.)
-        return returnElementOrList(tupletList(n, m, args[2:]))            
-    elif len(args) == 3 and type(args[0]) == int and type(args[1]) == int and type(args[2]) == list and all(type(x) == Note for x in args[2]):
-        n = args[0]
-        m = args[1]
-        l = args[2]
-        return returnElementOrList(tupletList(n, m, l))
-    else:
-        pass # not valid signature
-
-def combine(args, env):
-    if all(type(x) == list for x in args):
-        return reduce((lambda x, y: x + y), args)
-
-def flat(args, env):
-    return _flat(args, [])
-
-def _flat(input, output = []):
-    for item in input:
-        if type(item) == list:
-            _flat(item, output)
-        else:
-            output.append(item)
-    return output
-
-def createEnvironment():
-    functions = {
-        'print': doPrint,
-        'synth': Synth.play,
-        'pause': Synth.pause,
-        'type': objectType,
-        'sample': sample,
-        'semitones': semitones,
-        'interval': interval,
-        'transpose': transpose,   
-        'transposeTo': transposeTo,
-        'sleep': sleep,
-        'random': rand,
-        'changeDuration': changeDuration,
-        'changeOctave': changeOctave,
-        'wait': waitForSound,
-        'read': read,
-        'debug': lambda args, env: print(args),
-        'tuplet': tuplet,
-        'combine': combine,
-        'flat': flat,
-        'exit': exit
-        
-    }
-    
-    methods = {
-        str: {},
-        list: {},
-        float: {},        
-        Note: {
-            'synth': Synth.play
-        },
-        type(None): {},
-    }
-    
-    variables = {
-        "bpm": 120
-    }
-    
-    return Environment([ variables ], functions, methods)
- 

smnp/environment/environment.py

@@ -0,0 +1,31 @@
+from smnp.error.runtime import RuntimeException
+
+
+class Environment():
+    def __init__(self, scopes, functions, methods):
+        self.scopes = scopes
+        self.functions = functions
+        self.methods = methods
+        self.customFunctions = {}
+        self.callStack = [] #TODO remove
+
+    def findVariable(self, name, type=None, pos=None):
+        for scope in reversed(self.scopes):
+            if name in scope:
+                value = scope[name]
+                if type is not None:
+                    if isinstance(value, type):
+                        return value
+                else:
+                    return value
+        raise RuntimeException(pos, f"Variable '{name}' is not declared" + (
+            "" if type is None else f" (expected type: {type})"))
+
+    def findVariableScope(self, name, type=None):
+        for scope in reversed(self.scopes):
+            if name in scope:
+                if type is not None:
+                    if isinstance(scope[name], type):
+                        return scope
+                else:
+                    return scope

smnp/environment/factory.py

@@ -0,0 +1,48 @@
+import smnp.environment.function.list as l
+from smnp.environment.environment import Environment
+from smnp.environment.function import synth, base, interval, note, transposer, rand, mic
+from smnp.environment.function.model import Function, ONLY_FUNCTION
+from smnp.note.model import Note
+
+
+def createEnvironment():
+    functions = {
+        'exit': Function(base.exit, ONLY_FUNCTION),
+        'print': Function(base.display, ONLY_FUNCTION),
+        'read': Function(base.read, ONLY_FUNCTION),
+        'type': Function(base.objectType, ONLY_FUNCTION),
+        'sleep': Function(base.sleep, ONLY_FUNCTION),
+        'synth': Function(synth.synth, ONLY_FUNCTION),
+        'pause': Function(synth.pause, ONLY_FUNCTION),
+        'changeDuration': Function(note.changeDuration, ONLY_FUNCTION),
+        'changeOctave': Function(note.changeOctave, ONLY_FUNCTION),
+        'semitones': Function(interval.semitones, ONLY_FUNCTION),
+        'interval': Function(interval.interval, ONLY_FUNCTION),
+        'transpose': Function(transposer.transpose, ONLY_FUNCTION),
+        'transposeTo': Function(transposer.transposeTo, ONLY_FUNCTION),
+        'random': Function(rand.random, ONLY_FUNCTION),
+        # 'sample': sample,
+        'wait': Function(mic.wait, ONLY_FUNCTION),
+        'tuplet': Function(note.tuplet, ONLY_FUNCTION),
+        'combine': Function(l.combine, ONLY_FUNCTION),
+        'flat': Function(l.flat, ONLY_FUNCTION),
+        'debug': Function(lambda args, env: print(args), ONLY_FUNCTION),
+
+    }
+
+    methods = {
+        str: {},
+        list: {},
+        float: {},
+        Note: {
+            'synth': synth.synth
+        },
+        type(None): {},
+    }
+
+    variables = {
+        "bpm": 120
+    }
+
+    return Environment([ variables ], functions, methods)
+ 

smnp/environment/function/base.py

@@ -0,0 +1,55 @@
+import sys
+import time
+
+
+def display(args, env):
+    print("".join([arg.stringify() for arg in args]))
+
+
+def objectType(args, env):
+    if len(args) == 1:
+        return args[0].stringify()
+    else:
+        pass # not valid signature
+
+
+def exit(args, env):
+    if len(args) == 1 and isinstance(args[0], int):
+        sys.exit(args[0])
+    else:
+        pass # not valid signature
+
+
+def sleep(args, env):
+    if len(args) == 1 and isinstance(args[0], int):
+        time.sleep(args[0])
+    else:
+        pass # not valid signature
+
+
+def read(args, env):
+    if len(args) == 2 and isinstance(args[0], str) and isinstance(args[1], str):
+        print(args[0], end="")
+        value = input()
+        if args[1] == "integer":
+            try:
+                return int(value)
+            except ValueError as v:
+                pass # not int
+        elif args[1] == "string":
+            return value
+        # TODO: note - wydzielić parsowanie nut do osobnej funkcji w pakiecie smnp.note
+        # elif args[1] == "note":
+        #     chars, token = tokenizeNote(value, 0, 0)
+        #     if chars == 0:
+        #         return # not note
+        #     return parseNote([token], None).value
+        else:
+            pass # invalid type
+    elif len(args) == 1 and isinstance(args[0], str):
+        print(args[0], end="")
+        return input()
+    elif len(args) == 0:
+        return input()
+    else:
+        pass # not valid signature

smnp/environment/function/interval.py

@@ -0,0 +1,27 @@
+from smnp.environment.function.tools import returnElementOrList
+from smnp.note.interval import intervalToString
+from smnp.note.model import Note
+
+
+def interval(args, env):
+    if len(args) > 0 and isinstance(args[0], list):
+        return intervalList(args[0])
+    return intervalList(args)
+
+
+def intervalList(list):
+    r = [intervalToString(x) for x in semitonesList(list)]
+    return returnElementOrList(r)
+
+def semitonesList(list):
+    for x in list:
+        if not isinstance(x, Note) and not isinstance(x, int):
+            pass # invalid arguments
+    withoutPauses = tuple(filter(lambda x: isinstance(x, Note), list))
+    r = [Note.checkInterval(withoutPauses[i-1], withoutPauses[i]) for i, _ in enumerate(withoutPauses) if i != 0]
+    return r
+
+def semitones(args, env):
+    if len(args) > 0 and isinstance(args[0], list):
+        return returnElementOrList(semitonesList(args[0]))
+    return returnElementOrList(semitonesList(args))

smnp/environment/function/list.py

@@ -0,0 +1,19 @@
+from functools import reduce
+
+
+def combine(args, env):
+    if all(type(x) == list for x in args):
+        return reduce((lambda x, y: x + y), args)
+
+
+def flat(args, env):
+    return _flat(args, [])
+
+
+def _flat(input, output = []):
+    for item in input:
+        if type(item) == list:
+            _flat(item, output)
+        else:
+            output.append(item)
+    return output

smnp/environment/function/mic.py

@@ -0,0 +1,3 @@
+
+def wait(args, env):
+    pass

smnp/environment/function/model.py

@@ -0,0 +1,18 @@
+from enum import Enum, auto
+
+
+class FunctionType(Enum):
+    FUNCTION = auto()
+    METHOD = auto()
+
+
+class Function:
+    def __init__(self, signature, function):
+        self.signature = signature
+        self.function = function
+
+    def call(self, env, args):
+        result = self.signature(args)
+        if result[0]:
+            return self.function(env, *result[1:])
+        # todo: raise illegal signature exception or something

smnp/environment/function/note.py

@@ -0,0 +1,31 @@
+from smnp.environment.function.tools import returnElementOrList
+
+
+def changeDuration(args, env):
+    if len(args) == 2 and isinstance(args[0], Note) and isinstance(args[1], int):
+        return args[0].withDuration(args[1])
+    return # invalid signature
+
+
+def changeOctave(args, env):
+    if len(args) == 2 and isinstance(args[0], Note) and isinstance(args[1], int):
+        return args[0].withOctave(args[1])
+    return # invalid signature
+
+
+def tupletList(n, m, list):
+    return [note.withDuration(note.duration * n / m) for note in list]
+
+
+def tuplet(args, env):
+    if len(args) > 2 and type(args[0]) == int and type(args[1]) == int and all(type(x) == Note for x in args[2:]):
+        n = args[0] # how many notes
+        m = args[1] # instead of number of notes (3-tuplet: 3 instead 2; 5-tuplet: 5 instead 4 etc.)
+        return returnElementOrList(tupletList(n, m, args[2:]))
+    elif len(args) == 3 and type(args[0]) == int and type(args[1]) == int and type(args[2]) == list and all(type(x) == Note for x in args[2]):
+        n = args[0]
+        m = args[1]
+        l = args[2]
+        return returnElementOrList(tupletList(n, m, l))
+    else:
+        pass # not valid signature

smnp/environment/function/rand.py

@@ -0,0 +1,17 @@
+import random as r
+
+
+def random(args, env):
+    if not all(isinstance(x, list) and len(x) == 2 and isinstance(x[0], float) for x in args):
+        return # not valid signature
+    if sum([x[0] for x in args]) != 1.0:
+        return # not sums to 100%
+    choice = r.random()
+    acc = 0
+    for e in args:
+        acc += e[0]
+        if choice <= acc:
+            return e[1]
+
+
+#TODO: sample

smnp/environment/function/signature.py

@@ -0,0 +1,93 @@
+# from smnp.type.model import Type
+#
+from smnp.type.model import Type
+
+
+class Matcher:
+    def __init__(self, objectType, matcher):
+        self.type = objectType
+        self.matcher = matcher
+
+    def match(self, value):
+        if self.type is not None and self.type != value.type:
+            return False
+        return self.matcher(value)
+
+    def andWith(self, matcher):
+        if self.type != matcher.type:
+            raise RuntimeError("Support types of matches are not the same")
+        return Matcher(self.type, lambda x: self.matcher(x) and matcher.matcher(x))
+
+
+def varargSignature(varargMatcher, *basicSignature):
+    def check(args):
+        if len(basicSignature) > len(args):
+            return doesNotMatchVararg(basicSignature)
+
+        for i in range(len(basicSignature)):
+            if not basicSignature[i].match(args[i]):
+                return doesNotMatchVararg(basicSignature)
+
+        for i in range(len(basicSignature), len(args)):
+            if not varargMatcher.match(args[i]):
+                return doesNotMatchVararg(basicSignature)
+
+        return True, (*args[:len(basicSignature)]), args[len(basicSignature):]
+    return check
+
+
+def doesNotMatchVararg(basicSignature):
+    return (False, *[None for n in basicSignature], None)
+#
+
+
+def signature(*signature):
+    def check(args):
+        if len(signature) != len(args):
+            return doesNotMatch(signature)
+
+        for s, a in zip(signature, args):
+            if not s.match(a):
+                return doesNotMatch(signature)
+
+        return (True, *args)
+
+    return check
+
+
+def doesNotMatch(sign):
+    return (False, *[None for n in sign])
+
+
+def ofTypes(*types):
+    def check(value):
+        return value.type in types
+    return Matcher(None, check)
+
+
+def listOf(*types):
+    def check(value):
+        return len([item for item in value.value if not item.type in types]) == 0
+
+    return Matcher(Type.LIST, check)
+
+
+def listMatches(*pattern):
+    def check(value):
+        return signature(pattern)(value.value)[0]
+
+    return Matcher(Type.LIST, check)
+
+
+def recursiveListMatcher(matcher):
+    if matcher.type == Type.LIST:
+        raise RuntimeError(f"Passed matcher will be handling non-list types, so it cannot have type set to {Type.LIST}")
+
+    def check(value):
+        if value.type != Type.LIST:
+            return matcher.match(value)
+        for item in value.value:
+            return check(item)
+
+    return Matcher(Type.LIST, check)
+

smnp/environment/function/synth.py

@@ -0,0 +1,6 @@
+
+def synth(args, env):
+    pass
+
+def pause(args, env):
+    pass

smnp/environment/function/tools.py

@@ -0,0 +1,38 @@
+from smnp.environment.function.model import Function
+
+
+def returnElementOrList(list):
+    return list[0] if len(list) == 1 else list
+
+def combineFunctions(*functions):
+    if len(functions) == 0:
+        raise RuntimeError("Must be passed one function at least")
+
+    def signature(args):
+        ret = None
+        for fun in functions:
+            ret = fun.signature(args)
+            if ret[0] == True:
+                return ret
+        return ret
+
+    def function(env, *args):
+        originalArgs = removeFirstLevelNesting(args)
+        for fun in functions:
+            if fun.signature(originalArgs)[0]:
+                return fun.function(env, *args)
+
+        return None
+
+    return Function(signature, function)
+
+def removeFirstLevelNesting(l):
+    flat = []
+    for item in l:
+        if type(item) == list:
+            for i in item:
+                flat.append(i)
+        else:
+            flat.append(item)
+
+    return flat

smnp/environment/function/transposer.py

@@ -0,0 +1,41 @@
+from smnp.environment.function.interval import semitonesList
+from smnp.environment.function.tools import returnElementOrList
+from smnp.note.model import Note
+
+
+def transposeTo(args, env):
+    if len(args) > 1 and isinstance(args[0], Note) and all(isinstance(x, list) for i, x in enumerate(args) if i != 0):
+        target = args[0]
+        result = []
+        for i, notes in enumerate(args):
+            if i == 0:
+                continue
+            if len(notes) > 0:
+                first = notes[0]
+                semitones = semitonesList([first, target])[0]
+                result.append([note.transpose(semitones) for note in notes if isinstance(note, Note)])
+            else:
+                result.append([])
+        return returnElementOrList(result)
+    else:
+        pass  # not valid signature
+
+
+def transpose(args, env):
+    if len(args) > 1 and isinstance(args[0], int) and all(
+            isinstance(arg, list) for i, arg in enumerate(args) if i != 0):
+        value = args[0]
+        transposed = []
+        for i, arg in enumerate(args):
+            if i == 0:
+                continue
+            if not isinstance(arg, list):
+                return  # is not list
+            transposed.append([note.transpose(value) for note in arg if isinstance(note, Note)])
+        return returnElementOrList(transposed)
+    if len(args) > 1 and all(isinstance(arg, Note) for i, arg in enumerate(args) if i != 0):
+        value = args[0]
+        transposed = [note.transpose(value) for i, note in enumerate(args) if i != 0]
+        return returnElementOrList(transposed)
+    else:
+        return  # not valid signature

smnp/error/runtime.py

@@ -1,4 +1,4 @@
 class RuntimeException(Exception):
     def __init__(self, pos, msg):
-        posStr = "" if pos is None else f"[line {pos[0]+1}, col {pos[1]+1}]"        
+        posStr = "" if pos is None else f" [line {pos[0]+1}, col {pos[1]+1}]"
-        self.msg = f"Syntax error {posStr}:\n{msg}"
+        self.msg = f"Runtime error{posStr}:\n{msg}"

smnp/error/syntax.py

@@ -1,4 +1,4 @@
 class SyntaxException(Exception):
     def __init__(self, pos, msg):        
-        posStr = "" if pos is None else f"[line {pos[0]+1}, col {pos[1]+1}]"        
+        posStr = "" if pos is None else f" [line {pos[0]+1}, col {pos[1]+1}]"
-        self.msg = f"Syntax error {posStr}:\n{msg}"
+        self.msg = f"Syntax error{posStr}:\n{msg}"

smnp/mic/detector/noise.py

@@ -1,9 +1,10 @@
-import numpy as np
-import sounddevice as sd
-import os
 from collections import deque
 from statistics import mean
 
+import numpy as np
+import sounddevice as sd
+
+
 class NoiseDetector:
     def __init__(self, noiseTreshold=300, silenceTreshold=10, bufferSize=20):
         self.reachedNoise = False
@@ -43,6 +44,7 @@ class NoiseDetector:
                 sd.sleep(200)                
 
 
+#TODO: do environment
 def waitForSound(args, env):
     noiseTreshold = 300
     silenceTreshold = 10

smnp/synth/player.py

@@ -0,0 +1,24 @@
+import time
+
+from smnp.note.model import Note
+from smnp.synth.wave import sine
+
+
+def playNotes(notes, bpm):
+    for note in notes:
+        {
+            Note: play,
+            int: pause
+        }[type(note)](note, bpm)
+
+
+def play(note, bpm):
+    frequency = note.toFrequency()
+    duration = 60 * 4 / note.duration / bpm
+    duration *= 1.5 if note.dot else 1
+    sine(frequency, duration)
+
+
+def pause(value, bpm):
+    time.sleep(60 * 4 / value / bpm)
+

smnp/synth/wave.py

@@ -0,0 +1,12 @@
+import time
+
+import numpy as np
+import sounddevice as sd
+
+FS = 44100
+
+
+def sine(frequency, duration):
+    samples = (np.sin(2*np.pi*np.arange(FS*duration)*frequency/FS)).astype(np.float32)
+    sd.play(samples, FS)
+    time.sleep(duration)

smnp/type/model.py

@@ -0,0 +1,23 @@
+from enum import Enum
+
+from smnp.error.runtime import RuntimeException
+from smnp.note.model import Note
+
+
+class Type(Enum):
+    INTEGER = (int, lambda x: str(x))
+    STRING = (str, lambda x: x)
+    LIST = (list, lambda x: f"({', '.join([e.stringify() for e in x])})")
+    PERCENT = (float, lambda x: f"{int(x * 100)}%")
+    NOTE = (Note, lambda x: x.note.name)
+    VOID = (None, lambda x: _failStringify(x))
+
+    def stringify(self, element):
+        return self.value[1](element)
+
+
+def _failStringify(obj):
+    raise RuntimeException(None, f"Not able to interpret '{obj.type.name()}'")
+
+
+

smnp/type/value.py

@@ -0,0 +1,17 @@
+class Value:
+    def __init__(self, objectType, value):
+        self.value = value
+
+        if type(value) == objectType.value[0]:
+            self.type = objectType
+        else:
+            raise RuntimeError(f"Invalid type '{objectType.name}' for value '{value}'")
+
+    def stringify(self):
+        return self.type.stringify(self.value)
+
+    def __str__(self):
+        return f"{self.type.name}({self.stringify()})"
+
+    def __repr__(self):
+        return self.__str__()