def songs_pyparsing(fh):
r"""
>>> import os
>>> filename = os.path.dirname(__file__)
>>> filename = os.path.join(filename, "data/Various-Pop.m3u")
>>> with open(filename, "rt", encoding="utf8") as fh:
... songs = songs_pyparsing(fh)
>>> songs[0].title, songs[0].seconds, songs[0].filename
('Various - Two Tribes', 236, 'Various\\Frankie Goes To Hollywood\\02-Two Tribes.ogg')
>>> songs[-1].title, songs[-1].seconds, songs[-1].filename
('The Police - Walking On The Moon', 303, 'Various\\Sting & The Police 1997\\06-Walking On The Moon.ogg')
>>> lines = []
>>> lines.append("#EXTM3U")
>>> lines.append("#EXTINF:140,The Beatles - Love Me Do")
>>> lines.append("Beatles\\Greatest Hits\\01-Love Me Do.ogg")
>>> lines.append("#EXTINF:-1,The Beatles - From Me To You")
>>> lines.append("Beatles\\Greatest Hits\\02-From Me To You.ogg")
>>> import io
>>> data = io.StringIO("\n".join(lines))
>>> songs = songs_ply(data)
>>> len(songs) == 2
True
>>> songs[0].title, songs[0].seconds
('The Beatles - Love Me Do', 140)
>>> songs[1].title, songs[1].seconds
('The Beatles - From Me To You', -1)
"""
def add_song(tokens):
songs.append(Song(tokens.title, tokens.seconds,
tokens.filename))
#songs.append(Song(**tokens.asDict()))
songs = []
title = restOfLine("title")
filename = restOfLine("filename")
seconds = Combine(Optional("-") + Word(nums)).setParseAction(
lambda tokens: int(tokens[0]))("seconds")
info = Suppress("#EXTINF:") + seconds + Suppress(",") + title
entry = info + LineEnd() + filename + LineEnd()
entry.setParseAction(add_song)
parser = Suppress("#EXTM3U") + OneOrMore(entry)
try:
parser.parseFile(fh)
except ParseException as err:
print("parse error: {0}".format(err))
return []
return songs
def pyparse_m3u(file):
def add_song(tokens):
new_song = M3U_SONG(tokens.title, tokens.seconds, tokens.filename)
song_list.append(new_song)
song_list = []
title = restOfLine('title')
filename = restOfLine('filename')
seconds = Combine(Optional('-') + Word(nums)).setParseAction(
lambda tokens: int(tokens[0]))('seconds')
sec_title = Suppress('#EXTINF:') + seconds + Suppress(',') + title
info = LineEnd() + sec_title + LineEnd() + filename
info.addParseAction(add_song)
parser = Suppress('#EXTM3U') + OneOrMore(info)
try:
parser.parseFile(file)
except ParseException as parse_err:
print('Parsing error: {}', parse_err)
return []
return song_list
