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pipeband-music/scores2json.py
Eric Teunis de Boone f8d3e8a0e7 Added script to make overview of all scores,
still working on it
2019-01-22 16:02:16 +01:00

137 lines
3.3 KiB
Python
Executable file

#!/usr/bin/env python3
# vim: fdm=marker noet ts=4
# Generate a JSON array of all the pipeband scores
#+ see bottom for script execution
#{{{ Functions
import os
def walk_through_files(path, file_extension='.ly'):
for (dirpath, dirnames, filenames) in os.walk(path):
if file_extension:
for filename in filenames:
if filename.endswith(file_extension):
yield os.path.join(dirpath, filename)
else:
yield os.path.join(dirpath, filename)
def rreplace(s, old, new, occurrence):
li = s.rsplit(old, occurence)
return new.join(li)
def read_config(config_path):
''' return a dict created from the configfile '''
import re
config = {}
textsearches = ['title', 'meter']
with open(config_path, 'r') as fh:
for line in fh:
if line.startswith('\\version'):
continue
if line.startswith('%'):
continue
for t in textsearches:
if not t in config:
result = re.search(t +' = (?P<quote>[\'\"])(.*?)(?P=quote)', line)
if result:
config[t] = result.group(2)
for keyword in ['\\\\tempo', '\\\\time', '\\\\partial']:
if not keyword in config:
result = re.search(keyword+'\s*(.*)', line)
if result:
config[keyword.replace('\\','')] = result.group(1).strip()
return config
def analyse_tune_ly(tune_file):
''' return a dict created from the tune file'''
data = read_lilypond(tune_file)
data['path'] = tune_file
return data
def read_lilypond(fname):
''' return a dict from file'''
data = {}
if not os.path.exists(fname):
return data
return data
def merge_data_and_config(data, config):
if 'title' in data and '\\title' in data['title'] and 'title' in config:
data['title'].replace('\\title',config['title'])
newdata = { **config, **data }
return newdata
def config_from_lypath(lypath):
''' return the configpath belonging to the lypath '''
li = lypath.rsplit("/", 1)[0]
return os.path.join(li,"config.ily")
def read_path(music_paths):
tunes = {}
# Music Directory to work on
if isinstance(music_paths, str):
music_paths = [music_paths]
for path in music_paths:
for f in walk_through_files(path, '.ly'):
if os.path.basename(os.path.dirname(f)) == 'template':
continue;
data = analyse_tune_ly(f)
config_path = config_from_lypath(f)
if os.path.exists(config_path):
config = read_config(config_path)
# merge them
data = merge_data_and_config(data, config)
data['instrument'] = os.path.splitext(os.path.basename(f))[0]
data['files'] = {}
data['files']['lilypond'] = f.replace(path,'',1)
for ext in ['pdf', 'midi', 'preview.pdf', 'preview.png']:
sfile = os.path.splitext(f)[0] + '.' + ext
if os.path.isfile(sfile):
data['files'][ext] = sfile.replace(path,'',1)
if 'title' in data:
tune_key = data['title']
else:
tune_key = data['path']
if not tune_key in tunes:
tunes[tune_key] = [data]
else:
tunes[tune_key].append(data)
return tunes
#}}} End of functions
# ================================================================
# Alright, lets see if it works...
# ================================================================
if __name__ == "__main__":
import argparse
import json
parser = argparse.ArgumentParser(description="Read a music directory into a JSON file")
parser.add_argument('music_paths', nargs="*", type=str, default=".")
args = parser.parse_args()
print(json.dumps(read_path( args.music_paths )))