spiffyscore

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#!/usr/bin/env python

from __future__ import division
import ipdb
import os
import random
import sys
import time

from midiutil.MidiFile import MIDIFile as midifile
import parse
................................................................................
mymidi = midifile(15)

def main():
    composition = {
        "intro": {
            "body": {
                "lead_instr": {  # Instrument 'melody'
                    "channel": 6,
                    "octave": 4,
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["A/2, B/2, C/2 D/2 (u)", "D2' D2' D2' D2' (x)"],
                        "v": ["C/2 C/2 C/2 C/2 (w)"],
                        "w": ["E/2 F/2 E/2 F/2 (u)"],
                        "x": ["z4 (v)"],
                    },
                },
                "follow_instr": {  # Instrument 'bass'
                    "channel": 4,
                    "sync": "lead_instr",
                    "octave": 2,
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["E F G E (v)"],
                        "v": ["G A A A (e)", "G A A A (v)"],
                        "e": ["B A G A (u)"],
                        "x": ["z4 (e)"],






















                    },
                },
            },
        },
    }
    print '''f1 0 512 10 1
f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08
f3 0 1025 10 1
t 0 60
    '''

    section_start = 0
    for section in ["intro"]:
        print "; Section " + section
        subsection_start = section_start
        section = composition[section]
        for subsection in ["intro", "body", "outro"]:
            try:
                print "; Subsection " + subsection
                subsection = section[subsection]

                unordered_instrs = []
                for instr in subsection:
                    subsection[instr]["name"] = instr
                    if not "sync" in subsection[instr].keys():
                        subsection[instr]["sync"] = None
................................................................................
                ordered_instrs = topsort.topsort(unordered_instrs)
                ordered_instrs.remove(None)  # None used as a placeholder for sort order for instruments with no sync setting

                instrs = []
                syncs = {}
                track = 0
                for instr in ordered_instrs:
                    print ";Instrument " + instr
                    instr = subsection[instr]
                    max_time = instr["duration"]
                    instr_score, syncs = render_instr(instr, syncs, max_time)
                    instrs.append(instr_score)
                    midify_instr_score(instr_score, track, instr["channel"], subsection_start)
                longest_score = max(instrs, key=lambda i: score_len(i))
                subsection_start += score_len(longest_score)
................................................................................
            grammar = sync_node
        else:
            grammar = random.choice(time_filtered_grammars.keys())
    if score is None:
        grammar = random.choice(time_filtered_grammars.keys())
    elif instr["sync"] is None:
        grammar = get_next_node(score);


    phrases = time_filtered_grammars[grammar]
    if instr["name"] not in syncs.keys():
        syncs[instr["name"]] = []
    syncs[instr["name"]].append({"node": grammar, "time": current_time})

    return random.choice(phrases), syncs




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#!/usr/bin/env python

from __future__ import division
#import ipdb
import os
import random
import sys
import time

from midiutil.MidiFile import MIDIFile as midifile
import parse
................................................................................
mymidi = midifile(15)

def main():
    composition = {
        "intro": {
            "body": {
                "lead_instr": {  # Instrument 'melody'
                    "channel": 8,
                    "octave": 5,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C2' B2 A3 D3 B C' D C2' z (u)", "C2' C2' C2' C2' (x)"],
                        "v": ["G2 F2 E2 F2 D5 (u)", "B/4 C/4' B/4 A/4 D2 z"],

                        "x": ["z4 (v)"],
                    },
                },
                "follow_instr": {  # Instrument 'bass'
                    "channel": 4,
                    "sync": "lead_instr",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 C/2 z/2 (u)"],



                    },
                },
            },
        },
        "section1": {
            "body": {
                "lead_instr": {  # Instrument 'melody'
                    "channel": 6,
                    "octave": 5,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C E A F G z (u)", "C E A F G z (v)"],
                        "v": ["A/2 D/2 G/2 C/2 | F/2 B/2 E/2 z/2 | (u)"],
                    },
                },
                "follow_instr": {  # Instrument 'bass'
                    "channel": 4,
                    "sync": "lead_instr",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 C/2 z/2 (u)"],
                    },
                },
            },
        },
    }






    section_start = 0
    for section in ["intro", "section1"]:
        print "Section " + section
        subsection_start = section_start
        section = composition[section]
        for subsection in ["intro", "body", "outro"]:
            try:
                print "Subsection " + subsection
                subsection = section[subsection]

                unordered_instrs = []
                for instr in subsection:
                    subsection[instr]["name"] = instr
                    if not "sync" in subsection[instr].keys():
                        subsection[instr]["sync"] = None
................................................................................
                ordered_instrs = topsort.topsort(unordered_instrs)
                ordered_instrs.remove(None)  # None used as a placeholder for sort order for instruments with no sync setting

                instrs = []
                syncs = {}
                track = 0
                for instr in ordered_instrs:
                    print "Instrument " + instr
                    instr = subsection[instr]
                    max_time = instr["duration"]
                    instr_score, syncs = render_instr(instr, syncs, max_time)
                    instrs.append(instr_score)
                    midify_instr_score(instr_score, track, instr["channel"], subsection_start)
                longest_score = max(instrs, key=lambda i: score_len(i))
                subsection_start += score_len(longest_score)
................................................................................
            grammar = sync_node
        else:
            grammar = random.choice(time_filtered_grammars.keys())
    if score is None:
        grammar = random.choice(time_filtered_grammars.keys())
    elif instr["sync"] is None:
        grammar = get_next_node(score);
        if grammar not in instr["grammars"].keys():
            raise Exception("You tried to direct a grammar to a node that doesn't exist")
    phrases = time_filtered_grammars[grammar]
    if instr["name"] not in syncs.keys():
        syncs[instr["name"]] = []
    syncs[instr["name"]].append({"node": grammar, "time": current_time})

    return random.choice(phrases), syncs