本文整理汇总了Python中os.spawnve方法的典型用法代码示例。如果您正苦于以下问题:Python os.spawnve方法的具体用法?Python os.spawnve怎么用?Python os.spawnve使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类os
的用法示例。
在下文中一共展示了os.spawnve方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: exec_spawn
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def exec_spawn(l, env):
try:
result = spawnve(os.P_WAIT, l[0], l, env)
except (OSError, EnvironmentError) as e:
try:
result = exitvalmap[e.errno]
sys.stderr.write("scons: %s: %s\n" % (l[0], e.strerror))
except KeyError:
result = 127
if len(l) > 2:
if len(l[2]) < 1000:
command = ' '.join(l[0:3])
else:
command = l[0]
else:
command = l[0]
sys.stderr.write("scons: unknown OSError exception code %d - '%s': %s\n" % (e.errno, command, e.strerror))
return result
示例2: exec_spawn
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def exec_spawn(l, env):
try:
result = spawnve(os.P_WAIT, l[0], l, env)
except OSError, e:
try:
result = exitvalmap[e[0]]
sys.stderr.write("scons: %s: %s\n" % (l[0], e[1]))
except KeyError:
result = 127
if len(l) > 2:
if len(l[2]) < 1000:
command = ' '.join(l[0:3])
else:
command = l[0]
else:
command = l[0]
sys.stderr.write("scons: unknown OSError exception code %d - '%s': %s\n" % (e[0], command, e[1]))
示例3: exec_spawn
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def exec_spawn(l, env):
try:
result = os.spawnve(os.P_WAIT, l[0], l, env)
except OSError as e:
try:
result = exitvalmap[e[0]]
sys.stderr.write("scons: %s: %s\n" % (l[0], e[1]))
except KeyError:
result = 127
if len(l) > 2:
if len(l[2]) < 1000:
command = string.join(l[0:3])
else:
command = l[0]
else:
command = l[0]
sys.stderr.write("scons: unknown OSError exception code %d - '%s': %s\n" % (e[0], command, e[1]))
return result
示例4: exec_spawn
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def exec_spawn(l, env):
try:
result = os.spawnve(os.P_WAIT, l[0], l, env)
except OSError, e:
try:
result = exitvalmap[e[0]]
sys.stderr.write("scons: %s: %s\n" % (l[0], e[1]))
except KeyError:
result = 127
if len(l) > 2:
if len(l[2]) < 1000:
command = ' '.join(l[0:3])
else:
command = l[0]
else:
command = l[0]
sys.stderr.write("scons: unknown OSError exception code %d - '%s': %s\n" % (e[0], command, e[1]))
示例5: restart_with_reloader
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def restart_with_reloader():
while True:
args = [sys.executable] + ['-W%s' % o for o in sys.warnoptions] + sys.argv
if sys.platform == "win32":
args = ['"%s"' % arg for arg in args]
new_environ = os.environ.copy()
new_environ["RUN_MAIN"] = 'true'
exit_code = os.spawnve(os.P_WAIT, sys.executable, args, new_environ)
if exit_code != 3:
return exit_code
示例6: spawnve
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def spawnve(mode, file, args, env):
spawn_lock.acquire()
try:
if mode == os.P_WAIT:
ret = os.spawnve(os.P_NOWAIT, file, args, env)
else:
ret = os.spawnve(mode, file, args, env)
finally:
spawn_lock.release()
if mode == os.P_WAIT:
pid, status = os.waitpid(ret, 0)
ret = status >> 8
return ret
示例7: test_spawnve_invalid_env
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def test_spawnve_invalid_env(self):
self._test_invalid_env(os.spawnve)
示例8: create_spawnve
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def create_spawnve(original_name):
"""
os.spawnve(mode, path, args, env)
os.spawnvpe(mode, file, args, env)
"""
def new_spawnve(mode, path, args, env):
if _get_apply_arg_patching():
args = patch_args(args)
send_process_created_message()
return getattr(os, original_name)(mode, path, args, env)
return new_spawnve
示例9: patch_new_process_functions_with_warning
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def patch_new_process_functions_with_warning():
monkey_patch_os('execl', create_warn_multiproc)
monkey_patch_os('execle', create_warn_multiproc)
monkey_patch_os('execlp', create_warn_multiproc)
monkey_patch_os('execlpe', create_warn_multiproc)
monkey_patch_os('execv', create_warn_multiproc)
monkey_patch_os('execve', create_warn_multiproc)
monkey_patch_os('execvp', create_warn_multiproc)
monkey_patch_os('execvpe', create_warn_multiproc)
monkey_patch_os('spawnl', create_warn_multiproc)
monkey_patch_os('spawnle', create_warn_multiproc)
monkey_patch_os('spawnlp', create_warn_multiproc)
monkey_patch_os('spawnlpe', create_warn_multiproc)
monkey_patch_os('spawnv', create_warn_multiproc)
monkey_patch_os('spawnve', create_warn_multiproc)
monkey_patch_os('spawnvp', create_warn_multiproc)
monkey_patch_os('spawnvpe', create_warn_multiproc)
monkey_patch_os('posix_spawn', create_warn_multiproc)
if not IS_JYTHON:
if not IS_WINDOWS:
monkey_patch_os('fork', create_warn_multiproc)
try:
import _posixsubprocess
monkey_patch_module(_posixsubprocess, 'fork_exec', create_warn_fork_exec)
except ImportError:
pass
else:
# Windows
try:
import _subprocess
except ImportError:
import _winapi as _subprocess
monkey_patch_module(_subprocess, 'CreateProcess', create_CreateProcessWarnMultiproc)
示例10: run_tests
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def run_tests(env, locale, args, version, force_select, **extra_env): # pragma: no cover
py_version = "python"
py_version += str(version)
py_bin = which(py_version)
return_code = None
poller = "poll"
if force_select:
poller = "select"
if py_bin:
print("Testing %s, locale %r, poller: %s" % (py_version.capitalize(),
locale, poller))
env["SH_TESTS_USE_SELECT"] = str(int(force_select))
env["LANG"] = locale
for k,v in extra_env.items():
env[k] = str(v)
cmd = [py_bin, "-W", "ignore", os.path.join(THIS_DIR, "test.py")] + args[1:]
launch = lambda: os.spawnve(os.P_WAIT, cmd[0], cmd, env)
return_code = launch()
return return_code
# we're being run as a stand-alone script
示例11: create_spawnve
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def create_spawnve(original_name):
"""
os.spawnve(mode, path, args, env)
os.spawnvpe(mode, file, args, env)
"""
def new_spawnve(mode, path, args, env):
import os
return getattr(os, original_name)(mode, path, patch_args(args), env)
return new_spawnve
示例12: patch_new_process_functions_with_warning
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def patch_new_process_functions_with_warning():
monkey_patch_os('execl', create_warn_multiproc)
monkey_patch_os('execle', create_warn_multiproc)
monkey_patch_os('execlp', create_warn_multiproc)
monkey_patch_os('execlpe', create_warn_multiproc)
monkey_patch_os('execv', create_warn_multiproc)
monkey_patch_os('execve', create_warn_multiproc)
monkey_patch_os('execvp', create_warn_multiproc)
monkey_patch_os('execvpe', create_warn_multiproc)
monkey_patch_os('spawnl', create_warn_multiproc)
monkey_patch_os('spawnle', create_warn_multiproc)
monkey_patch_os('spawnlp', create_warn_multiproc)
monkey_patch_os('spawnlpe', create_warn_multiproc)
monkey_patch_os('spawnv', create_warn_multiproc)
monkey_patch_os('spawnve', create_warn_multiproc)
monkey_patch_os('spawnvp', create_warn_multiproc)
monkey_patch_os('spawnvpe', create_warn_multiproc)
if sys.platform != 'win32':
monkey_patch_os('fork', create_warn_multiproc)
try:
import _posixsubprocess
monkey_patch_module(_posixsubprocess, 'fork_exec', create_warn_fork_exec)
except ImportError:
pass
else:
# Windows
try:
import _subprocess
except ImportError:
import _winapi as _subprocess
monkey_patch_module(_subprocess, 'CreateProcess', create_CreateProcessWarnMultiproc)
示例13: start
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def start(self, imports=None):
"""Start cherryd in a subprocess."""
cherrypy._cpserver.wait_for_free_port(self.host, self.port)
args = [sys.executable, os.path.join(thisdir, '..', 'cherryd'),
'-c', self.config_file, '-p', self.pid_file]
if not isinstance(imports, (list, tuple)):
imports = [imports]
for i in imports:
if i:
args.append('-i')
args.append(i)
if self.daemonize:
args.append('-d')
env = os.environ.copy()
# Make sure we import the cherrypy package in which this module is defined.
grandparentdir = os.path.abspath(os.path.join(thisdir, '..', '..'))
if env.get('PYTHONPATH', ''):
env['PYTHONPATH'] = os.pathsep.join((grandparentdir, env['PYTHONPATH']))
else:
env['PYTHONPATH'] = grandparentdir
if self.wait:
self.exit_code = os.spawnve(os.P_WAIT, sys.executable, args, env)
else:
os.spawnve(os.P_NOWAIT, sys.executable, args, env)
cherrypy._cpserver.wait_for_occupied_port(self.host, self.port)
# Give the engine a wee bit more time to finish STARTING
if self.daemonize:
time.sleep(2)
else:
time.sleep(1)
示例14: piped_spawn
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def piped_spawn(sh, escape, cmd, args, env, stdout, stderr):
# There is no direct way to do that in python. What we do
# here should work for most cases:
# In case stdout (stderr) is not redirected to a file,
# we redirect it into a temporary file tmpFileStdout
# (tmpFileStderr) and copy the contents of this file
# to stdout (stderr) given in the argument
if not sh:
sys.stderr.write("scons: Could not find command interpreter, is it in your PATH?\n")
return 127
else:
# one temporary file for stdout and stderr
tmpFileStdout = os.path.normpath(tempfile.mktemp())
tmpFileStderr = os.path.normpath(tempfile.mktemp())
# check if output is redirected
stdoutRedirected = 0
stderrRedirected = 0
for arg in args:
# are there more possibilities to redirect stdout ?
if arg.find( ">", 0, 1 ) != -1 or arg.find( "1>", 0, 2 ) != -1:
stdoutRedirected = 1
# are there more possibilities to redirect stderr ?
if arg.find( "2>", 0, 2 ) != -1:
stderrRedirected = 1
# redirect output of non-redirected streams to our tempfiles
if stdoutRedirected == 0:
args.append(">" + str(tmpFileStdout))
if stderrRedirected == 0:
args.append("2>" + str(tmpFileStderr))
# actually do the spawn
try:
args = [sh, '/C', escape(' '.join(args)) ]
ret = spawnve(os.P_WAIT, sh, args, env)
except OSError as e:
# catch any error
try:
ret = exitvalmap[e.errno]
except KeyError:
sys.stderr.write("scons: unknown OSError exception code %d - %s: %s\n" % (e.errno, cmd, e.strerror))
if stderr is not None:
stderr.write("scons: %s: %s\n" % (cmd, e.strerror))
# copy child output from tempfiles to our streams
# and do clean up stuff
if stdout is not None and stdoutRedirected == 0:
try:
stdout.write(open( tmpFileStdout, "r" ).read())
os.remove( tmpFileStdout )
except (IOError, OSError):
pass
if stderr is not None and stderrRedirected == 0:
try:
stderr.write(open( tmpFileStderr, "r" ).read())
os.remove( tmpFileStderr )
except (IOError, OSError):
pass
return ret
示例15: piped_spawn
# 需要导入模块: import os [as 别名]
# 或者: from os import spawnve [as 别名]
def piped_spawn(sh, escape, cmd, args, env, stdout, stderr):
# There is no direct way to do that in python. What we do
# here should work for most cases:
# In case stdout (stderr) is not redirected to a file,
# we redirect it into a temporary file tmpFileStdout
# (tmpFileStderr) and copy the contents of this file
# to stdout (stderr) given in the argument
if not sh:
sys.stderr.write("scons: Could not find command interpreter, is it in your PATH?\n")
return 127
else:
# one temporary file for stdout and stderr
tmpFileStdout = os.path.normpath(tempfile.mktemp())
tmpFileStderr = os.path.normpath(tempfile.mktemp())
# check if output is redirected
stdoutRedirected = 0
stderrRedirected = 0
for arg in args:
# are there more possibilities to redirect stdout ?
if (arg.find( ">", 0, 1 ) != -1 or
arg.find( "1>", 0, 2 ) != -1):
stdoutRedirected = 1
# are there more possibilities to redirect stderr ?
if arg.find( "2>", 0, 2 ) != -1:
stderrRedirected = 1
# redirect output of non-redirected streams to our tempfiles
if stdoutRedirected == 0:
args.append(">" + str(tmpFileStdout))
if stderrRedirected == 0:
args.append("2>" + str(tmpFileStderr))
# actually do the spawn
try:
args = [sh, '/C', escape(' '.join(args)) ]
ret = spawnve(os.P_WAIT, sh, args, env)
except OSError, e:
# catch any error
try:
ret = exitvalmap[e[0]]
except KeyError:
sys.stderr.write("scons: unknown OSError exception code %d - %s: %s\n" % (e[0], cmd, e[1]))
if stderr is not None:
stderr.write("scons: %s: %s\n" % (cmd, e[1]))
# copy child output from tempfiles to our streams
# and do clean up stuff
if stdout is not None and stdoutRedirected == 0:
try:
stdout.write(open( tmpFileStdout, "r" ).read())
os.remove( tmpFileStdout )
except (IOError, OSError):
pass
if stderr is not None and stderrRedirected == 0:
try:
stderr.write(open( tmpFileStderr, "r" ).read())
os.remove( tmpFileStderr )
except (IOError, OSError):
pass
return ret