406 lines
13 KiB
Python
406 lines
13 KiB
Python
#!/usr/bin/python3
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from http.server import HTTPServer, BaseHTTPRequestHandler
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from socketserver import ThreadingMixIn
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import argparse
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import ctypes
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import functools
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import sys
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import threading
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import traceback
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import os.path
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class BuildHTTPServer(ThreadingMixIn, HTTPServer):
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allow_reuse_address = True
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advapi32 = ctypes.windll.advapi32
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SC_MANAGER_ALL_ACCESS = 0xf003f
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SC_MANAGER_CREATE_SERVICE = 0x02
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SERVICE_WIN32_OWN_PROCESS = 0x10
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SERVICE_AUTO_START = 0x2
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SERVICE_ERROR_NORMAL = 0x1
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DELETE = 0x00010000
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SERVICE_STATUS_START_PENDING = 0x00000002
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SERVICE_STATUS_RUNNING = 0x00000004
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SERVICE_ACCEPT_STOP = 0x1
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SVCNAME = 'youtubedl_builder'
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LPTSTR = ctypes.c_wchar_p
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START_CALLBACK = ctypes.WINFUNCTYPE(None, ctypes.c_int, ctypes.POINTER(LPTSTR))
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class SERVICE_TABLE_ENTRY(ctypes.Structure):
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_fields_ = [
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('lpServiceName', LPTSTR),
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('lpServiceProc', START_CALLBACK)
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]
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HandlerEx = ctypes.WINFUNCTYPE(
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ctypes.c_int, # return
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ctypes.c_int, # dwControl
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ctypes.c_int, # dwEventType
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ctypes.c_void_p, # lpEventData,
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ctypes.c_void_p, # lpContext,
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)
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def _ctypes_array(c_type, py_array):
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ar = (c_type * len(py_array))()
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ar[:] = py_array
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return ar
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def win_OpenSCManager():
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res = advapi32.OpenSCManagerW(None, None, SC_MANAGER_ALL_ACCESS)
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if not res:
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raise Exception('Opening service manager failed - '
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'are you running this as administrator?')
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return res
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def win_install_service(service_name, cmdline):
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manager = win_OpenSCManager()
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try:
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h = advapi32.CreateServiceW(
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manager, service_name, None,
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SC_MANAGER_CREATE_SERVICE, SERVICE_WIN32_OWN_PROCESS,
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SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
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cmdline, None, None, None, None, None)
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if not h:
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raise OSError('Service creation failed: %s' % ctypes.FormatError())
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advapi32.CloseServiceHandle(h)
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finally:
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advapi32.CloseServiceHandle(manager)
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def win_uninstall_service(service_name):
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manager = win_OpenSCManager()
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try:
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h = advapi32.OpenServiceW(manager, service_name, DELETE)
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if not h:
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raise OSError('Could not find service %s: %s' % (
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service_name, ctypes.FormatError()))
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try:
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if not advapi32.DeleteService(h):
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raise OSError('Deletion failed: %s' % ctypes.FormatError())
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finally:
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advapi32.CloseServiceHandle(h)
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finally:
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advapi32.CloseServiceHandle(manager)
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def win_service_report_event(service_name, msg, is_error=True):
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with open('C:/sshkeys/log', 'a', encoding='utf-8') as f:
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f.write(msg + '\n')
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event_log = advapi32.RegisterEventSourceW(None, service_name)
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if not event_log:
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raise OSError('Could not report event: %s' % ctypes.FormatError())
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try:
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type_id = 0x0001 if is_error else 0x0004
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event_id = 0xc0000000 if is_error else 0x40000000
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lines = _ctypes_array(LPTSTR, [msg])
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if not advapi32.ReportEventW(
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event_log, type_id, 0, event_id, None, len(lines), 0,
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lines, None):
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raise OSError('Event reporting failed: %s' % ctypes.FormatError())
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finally:
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advapi32.DeregisterEventSource(event_log)
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def win_service_handler(stop_event, *args):
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try:
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raise ValueError('Handler called with args ' + repr(args))
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TODO
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except Exception as e:
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tb = traceback.format_exc()
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msg = str(e) + '\n' + tb
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win_service_report_event(service_name, msg, is_error=True)
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raise
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def win_service_set_status(handle, status_code):
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svcStatus = SERVICE_STATUS()
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svcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS
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svcStatus.dwCurrentState = status_code
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svcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP
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svcStatus.dwServiceSpecificExitCode = 0
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if not advapi32.SetServiceStatus(handle, ctypes.byref(svcStatus)):
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raise OSError('SetServiceStatus failed: %r' % ctypes.FormatError())
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def win_service_main(service_name, real_main, argc, argv_raw):
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try:
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# args = [argv_raw[i].value for i in range(argc)]
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stop_event = threading.Event()
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handler = HandlerEx(functools.partial(stop_event, win_service_handler))
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h = advapi32.RegisterServiceCtrlHandlerExW(service_name, handler, None)
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if not h:
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raise OSError('Handler registration failed: %s' %
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ctypes.FormatError())
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TODO
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except Exception as e:
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tb = traceback.format_exc()
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msg = str(e) + '\n' + tb
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win_service_report_event(service_name, msg, is_error=True)
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raise
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def win_service_start(service_name, real_main):
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try:
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cb = START_CALLBACK(
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functools.partial(win_service_main, service_name, real_main))
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dispatch_table = _ctypes_array(SERVICE_TABLE_ENTRY, [
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SERVICE_TABLE_ENTRY(
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service_name,
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cb
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),
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SERVICE_TABLE_ENTRY(None, ctypes.cast(None, START_CALLBACK))
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])
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if not advapi32.StartServiceCtrlDispatcherW(dispatch_table):
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raise OSError('ctypes start failed: %s' % ctypes.FormatError())
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except Exception as e:
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tb = traceback.format_exc()
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msg = str(e) + '\n' + tb
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win_service_report_event(service_name, msg, is_error=True)
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raise
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def main(args=None):
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parser = argparse.ArgumentParser()
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parser.add_argument('-i', '--install',
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action='store_const', dest='action', const='install',
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help='Launch at Windows startup')
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parser.add_argument('-u', '--uninstall',
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action='store_const', dest='action', const='uninstall',
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help='Remove Windows service')
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parser.add_argument('-s', '--service',
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action='store_const', dest='action', const='service',
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help='Run as a Windows service')
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parser.add_argument('-b', '--bind', metavar='<host:port>',
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action='store', default='localhost:8142',
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help='Bind to host:port (default %default)')
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options = parser.parse_args(args=args)
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if options.action == 'install':
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fn = os.path.abspath(__file__).replace('v:', '\\\\vboxsrv\\vbox')
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cmdline = '%s %s -s -b %s' % (sys.executable, fn, options.bind)
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win_install_service(SVCNAME, cmdline)
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return
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if options.action == 'uninstall':
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win_uninstall_service(SVCNAME)
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return
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if options.action == 'service':
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win_service_start(SVCNAME, main)
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return
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host, port_str = options.bind.split(':')
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port = int(port_str)
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print('Listening on %s:%d' % (host, port))
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srv = BuildHTTPServer((host, port), BuildHTTPRequestHandler)
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thr = threading.Thread(target=srv.serve_forever)
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thr.start()
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input('Press ENTER to shut down')
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srv.shutdown()
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thr.join()
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def rmtree(path):
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for name in os.listdir(path):
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fname = os.path.join(path, name)
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if os.path.isdir(fname):
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rmtree(fname)
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else:
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os.chmod(fname, 0o666)
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os.remove(fname)
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os.rmdir(path)
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#==============================================================================
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class BuildError(Exception):
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def __init__(self, output, code=500):
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self.output = output
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self.code = code
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def __str__(self):
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return self.output
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class HTTPError(BuildError):
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pass
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class PythonBuilder(object):
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def __init__(self, **kwargs):
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pythonVersion = kwargs.pop('python', '2.7')
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try:
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key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Python\PythonCore\%s\InstallPath' % pythonVersion)
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try:
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self.pythonPath, _ = _winreg.QueryValueEx(key, '')
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finally:
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_winreg.CloseKey(key)
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except Exception:
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raise BuildError('No such Python version: %s' % pythonVersion)
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super(PythonBuilder, self).__init__(**kwargs)
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class GITInfoBuilder(object):
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def __init__(self, **kwargs):
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try:
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self.user, self.repoName = kwargs['path'][:2]
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self.rev = kwargs.pop('rev')
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except ValueError:
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raise BuildError('Invalid path')
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except KeyError as e:
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raise BuildError('Missing mandatory parameter "%s"' % e.args[0])
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path = os.path.join(os.environ['APPDATA'], 'Build archive', self.repoName, self.user)
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if not os.path.exists(path):
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os.makedirs(path)
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self.basePath = tempfile.mkdtemp(dir=path)
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self.buildPath = os.path.join(self.basePath, 'build')
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super(GITInfoBuilder, self).__init__(**kwargs)
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class GITBuilder(GITInfoBuilder):
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def build(self):
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try:
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subprocess.check_output(['git', 'clone', 'git://github.com/%s/%s.git' % (self.user, self.repoName), self.buildPath])
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subprocess.check_output(['git', 'checkout', self.rev], cwd=self.buildPath)
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except subprocess.CalledProcessError as e:
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raise BuildError(e.output)
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super(GITBuilder, self).build()
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class YoutubeDLBuilder(object):
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authorizedUsers = ['fraca7', 'phihag', 'rg3', 'FiloSottile']
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def __init__(self, **kwargs):
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if self.repoName != 'youtube-dl':
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raise BuildError('Invalid repository "%s"' % self.repoName)
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if self.user not in self.authorizedUsers:
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raise HTTPError('Unauthorized user "%s"' % self.user, 401)
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super(YoutubeDLBuilder, self).__init__(**kwargs)
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def build(self):
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try:
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subprocess.check_output([os.path.join(self.pythonPath, 'python.exe'), 'setup.py', 'py2exe'],
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cwd=self.buildPath)
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except subprocess.CalledProcessError as e:
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raise BuildError(e.output)
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super(YoutubeDLBuilder, self).build()
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class DownloadBuilder(object):
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def __init__(self, **kwargs):
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self.handler = kwargs.pop('handler')
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self.srcPath = os.path.join(self.buildPath, *tuple(kwargs['path'][2:]))
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self.srcPath = os.path.abspath(os.path.normpath(self.srcPath))
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if not self.srcPath.startswith(self.buildPath):
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raise HTTPError(self.srcPath, 401)
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super(DownloadBuilder, self).__init__(**kwargs)
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def build(self):
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if not os.path.exists(self.srcPath):
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raise HTTPError('No such file', 404)
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if os.path.isdir(self.srcPath):
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raise HTTPError('Is a directory: %s' % self.srcPath, 401)
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self.handler.send_response(200)
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self.handler.send_header('Content-Type', 'application/octet-stream')
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self.handler.send_header('Content-Disposition', 'attachment; filename=%s' % os.path.split(self.srcPath)[-1])
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self.handler.send_header('Content-Length', str(os.stat(self.srcPath).st_size))
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self.handler.end_headers()
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with open(self.srcPath, 'rb') as src:
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shutil.copyfileobj(src, self.handler.wfile)
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super(DownloadBuilder, self).build()
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class CleanupTempDir(object):
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def build(self):
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try:
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rmtree(self.basePath)
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except Exception as e:
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print('WARNING deleting "%s": %s' % (self.basePath, e))
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super(CleanupTempDir, self).build()
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class Null(object):
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def __init__(self, **kwargs):
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pass
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def start(self):
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pass
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def close(self):
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pass
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def build(self):
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pass
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class Builder(PythonBuilder, GITBuilder, YoutubeDLBuilder, DownloadBuilder, CleanupTempDir, Null):
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pass
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class BuildHTTPRequestHandler(BaseHTTPRequestHandler):
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actionDict = {'build': Builder, 'download': Builder} # They're the same, no more caching.
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def do_GET(self):
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path = urlparse.urlparse(self.path)
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paramDict = dict([(key, value[0]) for key, value in urlparse.parse_qs(path.query).items()])
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action, _, path = path.path.strip('/').partition('/')
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if path:
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path = path.split('/')
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if action in self.actionDict:
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try:
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builder = self.actionDict[action](path=path, handler=self, **paramDict)
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builder.start()
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try:
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builder.build()
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finally:
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builder.close()
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except BuildError as e:
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self.send_response(e.code)
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msg = unicode(e).encode('UTF-8')
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self.send_header('Content-Type', 'text/plain; charset=UTF-8')
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self.send_header('Content-Length', len(msg))
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self.end_headers()
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self.wfile.write(msg)
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except HTTPError as e:
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self.send_response(e.code, str(e))
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else:
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self.send_response(500, 'Unknown build method "%s"' % action)
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else:
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self.send_response(500, 'Malformed URL')
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#==============================================================================
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if __name__ == '__main__':
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main()
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