本文整理汇总了Python中IPython.lib.backgroundjobs.BackgroundJobManager.new方法的典型用法代码示例。如果您正苦于以下问题：Python BackgroundJobManager.new方法的具体用法？Python BackgroundJobManager.new怎么用？Python BackgroundJobManager.new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IPython.lib.backgroundjobs.BackgroundJobManager的用法示例。
在下文中一共展示了BackgroundJobManager.new方法的3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: AnyBodyMagics
# 需要导入模块: from IPython.lib.backgroundjobs import BackgroundJobManager [as 别名]
# 或者: from IPython.lib.backgroundjobs.BackgroundJobManager import new [as 别名]
#.........这里部分代码省略.........
else:
folder = os.getcwd()
cell = cell.encode('utf8', 'replace')
macro = cell if cell.endswith('\n') else cell+'\n'
macrofile = NamedTemporaryFile(mode='w+b',
prefix ='macro_',
suffix='.anymcr',
dir= folder,
delete = False)
macrofile.write(macro)
macrofile.flush()
cmd = [abcpath ,'/d',folder, '--macro=', macrofile.name, '/ni', "1>&2"]
try:
p = Popen(cmd, stdout=PIPE, stderr=PIPE, stdin=PIPE, shell= True)
except OSError as e:
if e.errno == errno.ENOENT:
print "Couldn't find program: %r" % cmd[0]
return
else:
raise
if args.bg:
self.bg_processes.append(p)
self._gc_bg_processes()
if args.out:
self.shell.user_ns[args.out] = p.stderr
self.job_manager.new(self._run_script, p, macrofile, daemon=True)
if args.proc:
self.shell.user_ns[args.proc] = p
return
random_tag = ''.join( random.sample(string.ascii_uppercase,6) )
def htmlbox(text):
raw_html = """<div id="anyscriptbox_{0}" style="height: 120px ; width : auto; border:1px dotted black;padding:0.5em;overflow:auto;background-color:#E0E0E0 ; font:3px Geogia"><font size="2px" face="courier"> {1} </font></div> <script> var myDiv = document.getElementById("anyscriptbox_{0}");
myDiv.scrollTop = myDiv.scrollHeight;</script> """.format(random_tag, text )
return HTML(raw_html)
try:
raw_out = []
for line in iter(p.stderr.readline,b''):
line = py3compat.bytes_to_str( line )
raw_out.append(line)
if not args.pager:
clear_output()
display( htmlbox("<br/>".join( raw_out ) ) )
#sys.stdout.flush()
if args.pager:
page("".join(raw_out))
p.communicate();
except KeyboardInterrupt:
try:
p.send_signal(signal.SIGINT)
time.sleep(0.1)
if p.poll() is not None:
print "Process is interrupted."
return
p.terminate()示例2: ScriptMagics
# 需要导入模块: from IPython.lib.backgroundjobs import BackgroundJobManager [as 别名]
# 或者: from IPython.lib.backgroundjobs.BackgroundJobManager import new [as 别名]
#.........这里部分代码省略.........
Examples
--------
::
In [1]: %%script bash
...: for i in 1 2 3; do
...: echo $i
...: done
1
2
3
"""
argv = arg_split(line, posix = not sys.platform.startswith('win'))
args, cmd = self.shebang.parser.parse_known_args(argv)
try:
p = Popen(cmd, stdout=PIPE, stderr=PIPE, stdin=PIPE)
except OSError as e:
if e.errno == errno.ENOENT:
print("Couldn't find program: %r" % cmd[0])
return
else:
raise
cell = cell.encode('utf8', 'replace')
if args.bg:
self.bg_processes.append(p)
self._gc_bg_processes()
if args.out:
self.shell.user_ns[args.out] = p.stdout
if args.err:
self.shell.user_ns[args.err] = p.stderr
self.job_manager.new(self._run_script, p, cell, daemon=True)
if args.proc:
self.shell.user_ns[args.proc] = p
return
try:
out, err = p.communicate(cell)
except KeyboardInterrupt:
try:
p.send_signal(signal.SIGINT)
time.sleep(0.1)
if p.poll() is not None:
print("Process is interrupted.")
return
p.terminate()
time.sleep(0.1)
if p.poll() is not None:
print("Process is terminated.")
return
p.kill()
print("Process is killed.")
except OSError:
pass
except Exception as e:
print("Error while terminating subprocess (pid=%i): %s" \
% (p.pid, e))
return
out = py3compat.bytes_to_str(out)
err = py3compat.bytes_to_str(err)
if args.out:
self.shell.user_ns[args.out] = out
else:
sys.stdout.write(out)示例3: ScriptMagics
# 需要导入模块: from IPython.lib.backgroundjobs import BackgroundJobManager [as 别名]
# 或者: from IPython.lib.backgroundjobs.BackgroundJobManager import new [as 别名]
#.........这里部分代码省略.........
help="""Dict mapping short 'ruby' names to full paths, such as '/opt/secret/bin/ruby'
Only necessary for items in script_magics where the default path will not
find the right interpreter.
"""
)
def __init__(self, shell=None):
Configurable.__init__(self, config=shell.config)
self._generate_script_magics()
Magics.__init__(self, shell=shell)
self.job_manager = BackgroundJobManager()
def _generate_script_magics(self):
cell_magics = self.magics['cell']
for name in self.script_magics:
cell_magics[name] = self._make_script_magic(name)
def _make_script_magic(self, name):
"""make a named magic, that calls %%script with a particular program"""
# expand to explicit path if necessary:
script = self.script_paths.get(name, name)
@magic_arguments.magic_arguments()
@script_args
def named_script_magic(line, cell):
# if line, add it as cl-flags
if line:
line = "%s %s" % (script, line)
else:
line = script
return self.shebang(line, cell)
# write a basic docstring:
named_script_magic.__doc__ = \
"""%%{name} script magic
Run cells with {script} in a subprocess.
This is a shortcut for `%%script {script}`
""".format(**locals())
return named_script_magic
@magic_arguments.magic_arguments()
@script_args
@cell_magic("script")
def shebang(self, line, cell):
"""Run a cell via a shell command
The `%%script` line is like the #! line of script,
specifying a program (bash, perl, ruby, etc.) with which to run.
The rest of the cell is run by that program.
Examples
--------
::
In [1]: %%script bash
...: for i in 1 2 3; do
...: echo $i
...: done
1
2
3
"""
argv = arg_split(line, posix = not sys.platform.startswith('win'))
args, cmd = self.shebang.parser.parse_known_args(argv)
p = Popen(cmd, stdout=PIPE, stderr=PIPE, stdin=PIPE)
cell = cell.encode('utf8', 'replace')
if args.bg:
if args.out:
self.shell.user_ns[args.out] = p.stdout
if args.err:
self.shell.user_ns[args.err] = p.stderr
self.job_manager.new(self._run_script, p, cell)
return
out, err = p.communicate(cell)
out = py3compat.bytes_to_str(out)
err = py3compat.bytes_to_str(err)
if args.out:
self.shell.user_ns[args.out] = out
else:
sys.stdout.write(out)
sys.stdout.flush()
if args.err:
self.shell.user_ns[args.err] = err
else:
sys.stderr.write(err)
sys.stderr.flush()
def _run_script(self, p, cell):
"""callback for running the script in the background"""
p.stdin.write(cell)
p.stdin.close()
p.wait()