- f = urlopen(url, max_age)
- doc = etree.parse(f)
- f.close()
- return doc
-
-def grab_json(url, max_age):
- f = urlopen(url, max_age)
- doc = json.load(f)
- f.close()
- return doc
-
-def download_rtmp(filename, vbase, vpath):
- if vpath.endswith(".flv"):
- vpath = vpath[:-4]
- cmd = [
- "rtmpdump",
- "-o", filename,
- "-r", vbase,
- "-y", vpath,
- ]
- try:
- p = subprocess.Popen(cmd)
- ret = p.wait()
- if ret != 0:
- print >>sys.stderr, "rtmpdump exited with error code:", ret
- return False
- except OSError, e:
- print >>sys.stderr, "Failed to run rtmpdump!", e
- return False
- except KeyboardInterrupt:
- print "Cancelled", cmd
- try:
- p.terminate()
- p.wait()
- except KeyboardInterrupt:
- p.send_signal(signal.SIGKILL)
- p.wait()
-
-def download_urllib(filename, url):
- print "Downloading: %s -> %s" % (url, filename)
- try:
- src = urllib.urlopen(url)
- dst = open(filename, "w")
- shutil.copyfileobj(src, dst)
- return True
- except KeyboardInterrupt:
- print "\nCancelled", url
- finally:
- src.close()
- dst.close()
- return False
+ f = urlopen(url, max_age)
+ doc = etree.parse(f, etree.XMLParser(encoding="utf-8", recover=True))
+ f.close()
+ return doc
+
+def grab_json(url, max_age, skip_assignment=False, skip_function=False):
+ f = urlopen(url, max_age)
+ if skip_assignment:
+ text = f.read()
+ pos = text.find("=")
+ doc = json.loads(text[pos+1:])
+ elif skip_function:
+ text = f.read()
+ pos = text.find("(")
+ rpos = text.rfind(")")
+ doc = json.loads(text[pos+1:rpos])
+ else:
+ doc = json.load(f)
+ f.close()
+ return doc
+
+def exec_subprocess(cmd):
+ try:
+ p = subprocess.Popen(cmd)
+ ret = p.wait()
+ if ret != 0:
+ print >>sys.stderr, cmd[0], "exited with error code:", ret
+ return False
+ else:
+ return True
+ except OSError, e:
+ print >>sys.stderr, "Failed to run", cmd[0], e
+ except KeyboardInterrupt:
+ print "Cancelled", cmd
+ try:
+ p.terminate()
+ p.wait()
+ except KeyboardInterrupt:
+ p.send_signal(signal.SIGKILL)
+ p.wait()
+ return False
+
+
+def check_command_exists(cmd):
+ try:
+ subprocess.check_output(cmd)
+ return True
+ except Exception:
+ return False
+
+def generate_remux_cmd(infile, outfile):
+ if check_command_exists(["avconv", "--help"]):
+ return [
+ "avconv",
+ "-i", infile,
+ "-bsf:a", "aac_adtstoasc",
+ "-acodec", "copy",
+ "-vcodec", "copy",
+ outfile,
+ ]
+
+ if check_command_exists(["ffmpeg", "--help"]):
+ return [
+ "ffmpeg",
+ "-i", infile,
+ "-bsf:a", "aac_adtstoasc",
+ "-acodec", "copy",
+ "-vcodec", "copy",
+ outfile,
+ ]
+
+ raise Exception("You must install ffmpeg or libav-tools")
+
+def remux(infile, outfile):
+ print "Converting %s to mp4" % infile
+ cmd = generate_remux_cmd(infile, outfile)
+ if not exec_subprocess(cmd):
+ # failed, error has already been logged
+ return False
+ try:
+ flv_size = os.stat(infile).st_size
+ mp4_size = os.stat(outfile).st_size
+ if abs(flv_size - mp4_size) < 0.1 * flv_size:
+ os.unlink(infile)
+ return True
+ else:
+ print >>sys.stderr, "The size of", outfile, "is suspicious, did avconv fail?"
+ return False
+ except Exception, e:
+ print >>sys.stderr, "Conversion failed", e
+ return False
+
+def convert_to_mp4(filename):
+ with open(filename) as f:
+ fourcc = f.read(4)
+ basename, ext = os.path.splitext(filename)
+
+ if ext == ".mp4" and fourcc == "FLV\x01":
+ os.rename(filename, basename + ".flv")
+ ext = ".flv"
+ filename = basename + ext
+
+ if ext in (".flv", ".ts"):
+ filename_mp4 = basename + ".mp4"
+ return remux(filename, filename_mp4)
+
+ return ext == ".mp4"
+
+
+def download_hds(filename, video_url, pvswf=None):
+ filename = sanify_filename(filename)
+ print "Downloading: %s" % filename
+
+ video_url = video_url.replace("http://", "hds://")
+ if pvswf:
+ param = "%s pvswf=%s" % (video_url, pvswf)
+ else:
+ param = video_url
+
+ cmd = [
+ "livestreamer",
+ "-o", filename,
+ param,
+ "best",
+ ]
+ if exec_subprocess(cmd):
+ return convert_to_mp4(filename)
+ else:
+ return False
+
+def download_hls(filename, video_url):
+ filename = sanify_filename(filename)
+ video_url = video_url.replace("http://", "hlsvariant://")
+ print "Downloading: %s" % filename
+ cmd = [
+ "livestreamer",
+ "-o", filename,
+ video_url,
+ "best",
+ ]
+ if exec_subprocess(cmd):
+ return convert_to_mp4(filename)
+ else:
+ return False
+
+def natural_sort(l, key=None):
+ ignore_list = ["a", "the"]
+ def key_func(k):
+ if key is not None:
+ k = key(k)
+ k = k.lower()
+ newk = []
+ for c in re.split("([0-9]+)", k):
+ c = c.strip()
+ if c.isdigit():
+ newk.append(int(c))
+ else:
+ for subc in c.split():
+ if subc not in ignore_list:
+ newk.append(subc)
+ return newk
+
+ return sorted(l, key=key_func)
+
+def append_to_qs(url, params):
+ r = list(urlparse.urlsplit(url))
+ qs = urlparse.parse_qs(r[3])
+ for k, v in params.iteritems():
+ if v is not None:
+ qs[k] = v
+ elif qs.has_key(k):
+ del qs[k]
+ r[3] = urllib.urlencode(qs, True)
+ url = urlparse.urlunsplit(r)
+ return url