import os
import logging
import posixpath
from tempfile import mkstemp
import urllib.request
from urllib.parse import urlparse
log = logging.getLogger(__name__)
[docs]def put(url, destdir=None, copy=False):
if url.split(":")[0] not in ("http", "https"):
log.warning("Not a valid URL: %s", url)
return None
ext = url.split(".")[-1]
if ext.lower() not in ("mp3", "ogg", "oga", "wma", "m4a"):
log.warning('Invalid format (%s) for "%s"', ext, url)
return None
if not copy:
return url
fname = posixpath.basename(urlparse(url).path)
# sanitize
fname = "".join(c for c in fname if c.isalnum() or c in list("._-")).rstrip()
tmp = mkstemp(suffix="." + ext, prefix="http-%s-" % fname, dir=destdir)
os.close(tmp[0])
log.info("downloading %s -> %s", url, tmp[1])
fname, headers = urllib.request.urlretrieve(url, tmp[1])
return "file://%s" % os.path.realpath(tmp[1])
[docs]def generate(spec):
"""
resolves audiospec-static
Recognized argument is "paths" (list of static paths)
"""
if "urls" not in spec:
raise ValueError("Malformed audiospec: missing 'paths'")
for url in spec["urls"]:
ret = put(url, copy=True)
if ret is None:
continue
yield ret
generate.description = "Fetch audio from an URL"