youtube-dl/devscripts/buildserver.py

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#!/usr/bin/python3
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from http.server import HTTPServer, BaseHTTPRequestHandler
from socketserver import ThreadingMixIn
import argparse
import ctypes
import sys
import threading
import os.path
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class BuildHTTPServer(ThreadingMixIn, HTTPServer):
allow_reuse_address = True
advapi32 = ctypes.windll.advapi32
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SC_MANAGER_ALL_ACCESS = 0xf003f
SC_MANAGER_CREATE_SERVICE = 0x02
SERVICE_WIN32_OWN_PROCESS = 0x10
SERVICE_AUTO_START = 0x2
SERVICE_ERROR_NORMAL = 0x1
DELETE = 0x00010000
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def win_OpenSCManager():
res = advapi32.OpenSCManagerA(None, None, SC_MANAGER_ALL_ACCESS)
if not res:
raise Exception('Opening service manager failed - '
'are you running this as administrator?')
return res
def win_install_service(service_name, cmdline):
manager = win_OpenSCManager()
try:
h = advapi32.CreateServiceA(
manager, service_name, None,
SC_MANAGER_CREATE_SERVICE, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
cmdline, None, None, None, None, None)
if not h:
raise OSError('Service creation failed: %s' % ctypes.FormatError())
advapi32.CloseServiceHandle(h)
finally:
advapi32.CloseServiceHandle(manager)
def win_uninstall_service(service_name):
manager = win_OpenSCManager()
try:
h = advapi32.OpenServiceA(manager, service_name, DELETE)
if not h:
raise OSError('Could not find service %s: %s' % (
service_name, ctypes.FormatError()))
try:
if not advapi32.DeleteService(h):
raise OSError('Deletion failed: %s' % ctypes.FormatError())
finally:
advapi32.CloseServiceHandle(h)
finally:
advapi32.CloseServiceHandle(manager)
def install_service(bind):
fn = os.path.normpath(__file__)
cmdline = '"%s" "%s" -s -b "%s"' % (sys.executable, fn, bind)
win_install_service('youtubedl_builder', cmdline)
def uninstall_service():
win_uninstall_service('youtubedl_builder')
def main(argv):
parser = argparse.ArgumentParser()
parser.add_argument('-i', '--install',
action='store_const', dest='action', const='install',
help='Launch at Windows startup')
parser.add_argument('-u', '--uninstall',
action='store_const', dest='action', const='uninstall',
help='Remove Windows service')
parser.add_argument('-s', '--service',
action='store_const', dest='action', const='servce',
help='Run as a Windows service')
parser.add_argument('-b', '--bind', metavar='<host:port>',
action='store', default='localhost:8142',
help='Bind to host:port (default %default)')
options = parser.parse_args()
if options.action == 'install':
return install_service(options.bind)
if options.action == 'uninstall':
return uninstall_service()
host, port_str = options.bind.split(':')
port = int(port_str)
print('Listening on %s:%d' % (host, port))
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srv = BuildHTTPServer((host, port), BuildHTTPRequestHandler)
thr = threading.Thread(target=srv.serve_forever)
thr.start()
input('Press ENTER to shut down')
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srv.shutdown()
thr.join()
def rmtree(path):
for name in os.listdir(path):
fname = os.path.join(path, name)
if os.path.isdir(fname):
rmtree(fname)
else:
os.chmod(fname, 0o666)
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os.remove(fname)
os.rmdir(path)
#==============================================================================
class BuildError(Exception):
def __init__(self, output, code=500):
self.output = output
self.code = code
def __str__(self):
return self.output
class HTTPError(BuildError):
pass
class PythonBuilder(object):
def __init__(self, **kwargs):
pythonVersion = kwargs.pop('python', '2.7')
try:
key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Python\PythonCore\%s\InstallPath' % pythonVersion)
try:
self.pythonPath, _ = _winreg.QueryValueEx(key, '')
finally:
_winreg.CloseKey(key)
except Exception:
raise BuildError('No such Python version: %s' % pythonVersion)
super(PythonBuilder, self).__init__(**kwargs)
class GITInfoBuilder(object):
def __init__(self, **kwargs):
try:
self.user, self.repoName = kwargs['path'][:2]
self.rev = kwargs.pop('rev')
except ValueError:
raise BuildError('Invalid path')
except KeyError as e:
raise BuildError('Missing mandatory parameter "%s"' % e.args[0])
path = os.path.join(os.environ['APPDATA'], 'Build archive', self.repoName, self.user)
if not os.path.exists(path):
os.makedirs(path)
self.basePath = tempfile.mkdtemp(dir=path)
self.buildPath = os.path.join(self.basePath, 'build')
super(GITInfoBuilder, self).__init__(**kwargs)
class GITBuilder(GITInfoBuilder):
def build(self):
try:
subprocess.check_output(['git', 'clone', 'git://github.com/%s/%s.git' % (self.user, self.repoName), self.buildPath])
subprocess.check_output(['git', 'checkout', self.rev], cwd=self.buildPath)
except subprocess.CalledProcessError as e:
raise BuildError(e.output)
super(GITBuilder, self).build()
class YoutubeDLBuilder(object):
authorizedUsers = ['fraca7', 'phihag', 'rg3', 'FiloSottile']
def __init__(self, **kwargs):
if self.repoName != 'youtube-dl':
raise BuildError('Invalid repository "%s"' % self.repoName)
if self.user not in self.authorizedUsers:
raise HTTPError('Unauthorized user "%s"' % self.user, 401)
super(YoutubeDLBuilder, self).__init__(**kwargs)
def build(self):
try:
subprocess.check_output([os.path.join(self.pythonPath, 'python.exe'), 'setup.py', 'py2exe'],
cwd=self.buildPath)
except subprocess.CalledProcessError as e:
raise BuildError(e.output)
super(YoutubeDLBuilder, self).build()
class DownloadBuilder(object):
def __init__(self, **kwargs):
self.handler = kwargs.pop('handler')
self.srcPath = os.path.join(self.buildPath, *tuple(kwargs['path'][2:]))
self.srcPath = os.path.abspath(os.path.normpath(self.srcPath))
if not self.srcPath.startswith(self.buildPath):
raise HTTPError(self.srcPath, 401)
super(DownloadBuilder, self).__init__(**kwargs)
def build(self):
if not os.path.exists(self.srcPath):
raise HTTPError('No such file', 404)
if os.path.isdir(self.srcPath):
raise HTTPError('Is a directory: %s' % self.srcPath, 401)
self.handler.send_response(200)
self.handler.send_header('Content-Type', 'application/octet-stream')
self.handler.send_header('Content-Disposition', 'attachment; filename=%s' % os.path.split(self.srcPath)[-1])
self.handler.send_header('Content-Length', str(os.stat(self.srcPath).st_size))
self.handler.end_headers()
with open(self.srcPath, 'rb') as src:
shutil.copyfileobj(src, self.handler.wfile)
super(DownloadBuilder, self).build()
class CleanupTempDir(object):
def build(self):
try:
rmtree(self.basePath)
except Exception as e:
print('WARNING deleting "%s": %s' % (self.basePath, e))
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super(CleanupTempDir, self).build()
class Null(object):
def __init__(self, **kwargs):
pass
def start(self):
pass
def close(self):
pass
def build(self):
pass
class Builder(PythonBuilder, GITBuilder, YoutubeDLBuilder, DownloadBuilder, CleanupTempDir, Null):
pass
class BuildHTTPRequestHandler(BaseHTTPRequestHandler):
actionDict = { 'build': Builder, 'download': Builder } # They're the same, no more caching.
def do_GET(self):
path = urlparse.urlparse(self.path)
paramDict = dict([(key, value[0]) for key, value in urlparse.parse_qs(path.query).items()])
action, _, path = path.path.strip('/').partition('/')
if path:
path = path.split('/')
if action in self.actionDict:
try:
builder = self.actionDict[action](path=path, handler=self, **paramDict)
builder.start()
try:
builder.build()
finally:
builder.close()
except BuildError as e:
self.send_response(e.code)
msg = unicode(e).encode('UTF-8')
self.send_header('Content-Type', 'text/plain; charset=UTF-8')
self.send_header('Content-Length', len(msg))
self.end_headers()
self.wfile.write(msg)
except HTTPError as e:
self.send_response(e.code, str(e))
else:
self.send_response(500, 'Unknown build method "%s"' % action)
else:
self.send_response(500, 'Malformed URL')
#==============================================================================
if __name__ == '__main__':
main(sys.argv[1:])