git-sound/git-sound.py

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#! /usr/bin/env python
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# -*- coding: utf-8
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"""
Generate sound for Git repositories
"""
from __future__ import print_function
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import argparse
import sys
import os
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try:
from git_sound.gui import GitSoundWindow
GUI_AVAILABLE = True
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except ImportError:
GUI_AVAILABLE = False
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from git.exc import InvalidGitRepositoryError
from git_sound.gitmidi import GitMIDI
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SCALES = {
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'c-major': ('C Major', [60, 62, 64, 65, 67, 69, 71]),
'a-harmonic-minor': ('A Harmonic Minor', [68, 69, 71, 72, 74, 76, 77]),
'chromatic': ('Chromatic', [60, 61, 62, 63, 64, 65, 66, 67, 68, 69]),
'pentatonic': ('Pentatonic', [54, 64, 72, 81, 96, 108]),
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'd-major': ('D Major', [62, 64, 65, 67, 69, 71, 72]),
}
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PROGRAMS = {
'sitar-tablah': {
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'name': 'Sitar and Tablah',
'commit': {
'program': 104,
'octave': -2,
},
'file': {
'program': 115,
'octave': -1,
},
},
'bells': {
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'name': 'Bells',
'commit': {
'program': 14,
'octave': 0,
},
'file': {
'program': 9,
'octave': 0,
},
},
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'metal': {
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'name': 'Metal',
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'commit': {
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'program': 29,
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'octave': -1,
},
'file': {
'program': 33,
'octave': -3,
},
},
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'pure-violin': {
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'name': 'Violin',
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'commit': {
'program': 40,
'octave': 0,
},
'file': {
'program': None,
'octave': 0,
},
},
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'space': {
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'name': 'Space',
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'commit': {
'program': 94,
'octave': 1,
},
'file': {
'program': 80,
'octave': 1,
'volume': -30,
},
},
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'sea-copter': {
'name': 'Helicopter on the shore',
'commit': {
'program': 125,
'octave': 0,
},
'file': {
'program': 122,
'octave': 0,
},
},
}
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parser = argparse.ArgumentParser(description='Voice of a Repo',
epilog='Use the special value list for ' +
'scale and program to list the ' +
'available program combinations')
parser.add_argument('repository', type=str, nargs='?', default='.')
parser.add_argument('--branch',
type=str,
default='master',
help="The branch to generate sound for [master]")
parser.add_argument('--file',
type=str,
default=None,
help="Save the generated MIDI sequence to this file")
parser.add_argument('--play',
action='store_true',
default=False,
help="Play the generated file (requires pygame with " +
"MIDI support)")
parser.add_argument('--verbose',
action='store_true',
default=False,
help="Print messages during execution")
parser.add_argument('--scale',
type=str,
default=None,
help="Scale to use in the generated track")
parser.add_argument('--program',
type=str,
default=None,
help="Program setting to use in the generated track")
parser.add_argument('--volume-range',
type=int,
default=100,
help="The volume range to use.")
parser.add_argument('--skip',
type=int,
default=0,
metavar='N',
help="Skip the first N commits " +
"(comes in handy if the repo started " +
"with some huge commits)")
args = parser.parse_args()
if args.scale is None and args.program is None and GUI_AVAILABLE:
GitSoundWindow(PROGRAMS, SCALES).start()
sys.exit(0)
if args.scale is None and args.program != 'list':
print("Please specify a scale!")
sys.exit(1)
if args.program is None and args.scale != 'list':
print("Please specify a program!")
sys.exit(1)
if args.scale == 'list':
for scale in SCALES.keys():
print(scale)
sys.exit(0)
if args.program == 'list':
for program in PROGRAMS.keys():
print(program)
sys.exit(0)
if args.scale not in SCALES:
print("{} is an unknown scale.".format(args.scale))
print("Use 'list' to list the available scales.")
sys.exit(1)
if args.program not in PROGRAMS:
print("{} is an unknown program.".format(args.program))
print("Use 'list' to list the available programs.")
sys.exit(1)
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try:
repo_midi = GitMIDI(repository=args.repository,
branch=args.branch,
verbose=args.verbose,
scale=SCALES[args.scale][1],
program=PROGRAMS[args.program],
volume_range=args.volume_range,
skip=args.skip)
except InvalidGitRepositoryError:
print("{} is not a valid Git repository"
.format(os.path.abspath(args.repository)))
sys.exit(1)
except IndexError:
print("Branch '{}' does not exist in this repo".format(args.branch))
sys.exit(1)
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repo_midi.gen_repo_data()
repo_midi.generate_midi()
repo_midi.write_mem()
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if args.file:
if args.verbose:
print("Saving file to {}".format(args.file))
repo_midi.export_file(args.file)
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if args.play:
repo_midi.play()