gstreamer/validate/launcher/utils.py

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2014-05-16 14:20:26 +00:00
#!/usr/bin/env python2
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#
# Copyright (c) 2013,Thibault Saunier <thibault.saunier@collabora.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301, USA.
""" Some utilies. """
import os
import re
import sys
import urllib
import urlparse
import subprocess
from operator import itemgetter
GST_SECOND = long(1000000000)
DEFAULT_TIMEOUT = 30
DEFAULT_MAIN_DIR = os.path.expanduser("~/gst-validate/")
DEFAULT_GST_QA_ASSETS = os.path.join(DEFAULT_MAIN_DIR, "gst-qa-assets")
DISCOVERER_COMMAND = "gst-discoverer-1.0"
# Use to set the duration from which a test is concidered as being 'long'
LONG_TEST = 40
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class Result(object):
NOT_RUN = "Not run"
FAILED = "Failed"
TIMEOUT = "Timeout"
PASSED = "Passed"
KNOWN_ERROR = "Known error"
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class Protocols(object):
HTTP = "http"
FILE = "file"
HLS = "hls"
DASH = "dash"
@staticmethod
def needs_clock_sync(protocol):
if protocol == Protocols.HLS:
return True
return False
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class Colors(object):
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
def desactivate_colors():
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Colors.HEADER = ''
Colors.OKBLUE = ''
Colors.OKGREEN = ''
Colors.WARNING = ''
Colors.FAIL = ''
Colors.ENDC = ''
def mkdir(directory):
try:
os.makedirs(directory)
except os.error:
pass
def which(name):
result = []
exts = filter(None, os.environ.get('PATHEXT', '').split(os.pathsep))
path = os.environ.get('PATH', None)
if path is None:
return []
for p in os.environ.get('PATH', '').split(os.pathsep):
p = os.path.join(p, name)
if os.access(p, os.X_OK):
result.append(p)
for e in exts:
pext = p + e
if os.access(pext, os.X_OK):
result.append(pext)
return result
def get_color_for_result(result):
if result is Result.FAILED:
color = Colors.FAIL
elif result is Result.TIMEOUT:
color = Colors.WARNING
elif result is Result.PASSED:
color = Colors.OKGREEN
else:
color = Colors.OKBLUE
return color
def printc(message, color="", title=False):
if title:
length = 0
for l in message.split("\n"):
if len(l) > length:
length = len(l)
if length == 0:
length = len(message)
message = length * '=' + "\n" + str(message) + "\n" + length * '='
if hasattr(message, "result") and color == '':
color = get_color_for_result(message.result)
sys.stdout.write(color + str(message) + Colors.ENDC + "\n")
sys.stdout.flush()
def launch_command(command, color=None, fails=False):
printc(command, Colors.OKGREEN, True)
res = os.system(command)
if res != 0 and fails is True:
raise subprocess.CalledProcessError(res, "%s failed" % command)
def path2url(path):
return urlparse.urljoin('file:', urllib.pathname2url(path))
def url2path(url):
path = urlparse.urlparse(url).path
if "win32" in sys.platform:
if path[0] == '/':
return path[1:] # We need to remove the first '/' on windows
return path
def isuri(string):
url = urlparse.urlparse(string)
if url.scheme != "" and url.scheme != "":
return True
return False
def touch(fname, times=None):
with open(fname, 'a'):
os.utime(fname, times)
def get_subclasses(klass, env):
subclasses = []
for symb in env.iteritems():
try:
if issubclass(symb[1], klass) and not symb[1] is klass:
subclasses.append(symb[1])
except TypeError:
pass
return subclasses
def TIME_ARGS(time):
return "%u:%02u:%02u.%09u" % (time / (GST_SECOND * 60 * 60),
(time / (GST_SECOND * 60)) % 60,
(time / GST_SECOND) % 60,
time % GST_SECOND)
#
# Some utilities to parse gst-validate output #
#
def gsttime_from_tuple(stime):
return long((int(stime[0]) * 3600 + int(stime[1]) * 60 + int(stime[2])) * GST_SECOND + int(stime[3]))
timeregex = re.compile(r'(?P<_0>.+):(?P<_1>.+):(?P<_2>.+)\.(?P<_3>.+)')
def parse_gsttimeargs(time):
stime = map(itemgetter(1), sorted(
timeregex.match(time).groupdict().items()))
return long((int(stime[0]) * 3600 + int(stime[1]) * 60 + int(stime[2])) * GST_SECOND + int(stime[3]))
def get_duration(media_file):
duration = 0
res = ''
try:
res = subprocess.check_output([DISCOVERER_COMMAND, media_file])
except subprocess.CalledProcessError:
# gst-media-check returns !0 if seeking is not possible, we do not care
# in that case.
pass
for l in res.split('\n'):
if "Duration: " in l:
duration = parse_gsttimeargs(l.replace("Duration: ", ""))
break
return duration
def get_scenarios():
GST_VALIDATE_COMMAND = "gst-validate-1.0"
os.system("%s --scenarios-defs-output-file %s" % (GST_VALIDATE_COMMAND,
))