def refresh_the_jazz_page_cache():
"""
Reads entries from The Jazz Page into a local cache for searching.
@see: L{the_jazz_page_midi_files}
"""
import os
from urllib2 import urlopen
from BeautifulSoup import BeautifulSoup
from jazzparser.settings import LOCAL_DATA_DIR
from jazzparser.utils.csv import UnicodeCsvWriter
cache_filename = os.path.join(LOCAL_DATA_DIR, "the_midi_site_cache")
domain = "http://www.thejazzpage.de"
index_url = "%s/midiinfo.html" % domain
if os.path.exists(cache_filename):
# Remove the old cache file
os.remove(cache_filename)
# Create a new cache file
cache_file = open(cache_filename, 'w')
try:
writer = UnicodeCsvWriter(cache_file)
# Read in the index page to get the list of entries from
soup = BeautifulSoup(urlopen(index_url).read())
# After the first table, each one is a letter, apart from the last one
tables = soup.findAll("table")[1:-1]
rowspan = 0
for table in tables:
for row in table.findAll("tr"):
cells = list(row)
if rowspan == 0:
if cells[0].has_key("rowspan"):
rowspan = int(cells[0]["rowspan"]) -1
# This is a row with a first column in it
# Ignore the first column - we're only want the 2nd
middle_cell = cells[1]
else:
middle_cell = cells[0]
rowspan -= 1
# Get the file and song name from the middle cell
if middle_cell.a is not None:
link = middle_cell.a["href"]
link = "%s/%s" % (domain,link)
name = middle_cell.a.text
name = name.replace("\n","").lower()
writer.writerow([link, name])
finally:
cache_file.close()
def refresh_the_jazz_page_cache():
"""
Reads entries from The Jazz Page into a local cache for searching.
@see: L{the_jazz_page_midi_files}
"""
import os
from urllib2 import urlopen
from BeautifulSoup import BeautifulSoup
from jazzparser.settings import LOCAL_DATA_DIR
from jazzparser.utils.csv import UnicodeCsvWriter
cache_filename = os.path.join(LOCAL_DATA_DIR, "the_midi_site_cache")
domain = "http://www.thejazzpage.de"
index_url = "%s/midiinfo.html" % domain
if os.path.exists(cache_filename):
# Remove the old cache file
os.remove(cache_filename)
# Create a new cache file
cache_file = open(cache_filename, "w")
try:
writer = UnicodeCsvWriter(cache_file)
# Read in the index page to get the list of entries from
soup = BeautifulSoup(urlopen(index_url).read())
# After the first table, each one is a letter, apart from the last one
tables = soup.findAll("table")[1:-1]
rowspan = 0
for table in tables:
for row in table.findAll("tr"):
cells = list(row)
if rowspan == 0:
if cells[0].has_key("rowspan"):
rowspan = int(cells[0]["rowspan"]) - 1
# This is a row with a first column in it
# Ignore the first column - we're only want the 2nd
middle_cell = cells[1]
else:
middle_cell = cells[0]
rowspan -= 1
# Get the file and song name from the middle cell
if middle_cell.a is not None:
link = middle_cell.a["href"]
link = "%s/%s" % (domain, link)
name = middle_cell.a.text
name = name.replace("\n", "").lower()
writer.writerow([link, name])
finally:
cache_file.close()
def main():
usage = "%prog [options] <in-file>"
description = "Reads in a sequence index file and tries to find "\
"midi files of each song by looking up the name online. Writes "\
"them all to the given directory."
parser = OptionParser(usage=usage, description=description)
parser.add_option("-i", "--index", dest="index", action="store", type="int", help="select a single sequence by index from the file and just get files for that sequence")
parser.add_option("-n", "--name", dest="name", action="store_true", help="interpret the arguments as a song name to look up directly instead of fetching the name of a sequence from a file")
parser.add_option("-v", "--verbose", dest="verbose", action="store_true", help="verbose output")
parser.add_option("-s", "--source", dest="sources", action="append", help="sources to get midi files from (use option multiple times for multiple sources). Possible values: %s. Default: all sources." % ", ".join(SOURCES))
parser.add_option("-r", "--resume", dest="resume", action="store", type="int", help="resume lookup at the given sequence index. Sequences before this index will be skipped at the names entries will be appended to an existing file.")
parser.add_option("-d", "--dir", dest="dir", action="store", help="directory to output files to. By default, outputs to the current directory")
options, arguments = parser.parse_args()
if options.dir is not None:
outdir = os.path.abspath(options.dir)
else:
outdir = os.path.abspath(os.getcwd())
if not os.path.isdir(outdir):
print >>sys.stderr, "%s is not a directory" % outdir
if options.name is not None:
sequences = [(" ".join(arguments),None)]
else:
if len(arguments) == 0:
print >>sys.stderr, "You must specify an input sequence index file"
sys.exit(1)
filename = os.path.abspath(arguments[0])
# Read in the data file
seqs = SequenceIndex.from_file(filename)
if options.index is not None:
seq = seqs.sequence_by_index(options.index)
sequences = [(seq.name,seq.id)]
elif options.resume is not None:
sequences = [(seq.name,seq.id) for seq in seqs.sequences[options.resume:]]
else:
sequences = [(s.name,s.id) for s in seqs.sequences]
if options.verbose:
verbose_out = sys.stderr
out_prefix = ">>> "
else:
verbose_out = None
out_prefix = ""
# Output a name list
if options.resume is None:
namefile = open(os.path.join(outdir, "NAMES"), 'w')
else:
# Append data to the old file
namefile = open(os.path.join(outdir, "NAMES"), 'a')
try:
names = UnicodeCsvWriter(namefile)
if options.resume is None:
# Add a header if we're not appending to an old file
names.writerow(['Filename','Reported song name','Database id'])
for seq_name,seq_id in sequences:
print "%sLooking up %s" % (out_prefix, seq_name)
files = find_midi_files(seq_name, sources=options.sources, verbose_out=verbose_out)
print "%s Found %d files" % (out_prefix, len(files))
# Create a suitable base filename
base_filename = "_".join(\
seq_name.encode('ascii', 'ignore').translate(string.maketrans("",""), string.punctuation).lower().split())
for i,(data,name) in enumerate(files):
filename = u"%s-%d.mid" % (base_filename,i)
full_filename = os.path.join(outdir, filename)
# Write each midi file out individually
f = open(full_filename, 'w')
f.write(data)
f.close()
# Keep a list of the name reported for each file
names.writerow([filename,name,seq_id])
namefile.flush()
finally:
namefile.close()