def __init__(self, **kwds):
for key in kwds.keys():
print(
"WorksheetProcess_ReferenceImplementation: does not support '%s' option. Ignored."
% key)
self._output_status = OutputStatus('', [], True, None)
self._state = {}
def output_status(self):
"""
Return OutputStatus object, which includes output from the
subprocess from the last executed command up until now,
information about files that were created, and whether
computing is now done.
OUTPUT:
- ``OutputStatus`` object.
"""
OS = self._output_status
self._output_status = OutputStatus('', [], True)
return OS
def execute(self, string, data=None):
"""
Start executing the given string in this subprocess.
INPUT:
``string`` -- a string containing code to be executed.
- ``data`` -- a string or None; if given, must specify an
absolute path on the server host filesystem. This may
be ignored by some worksheet process implementations.
"""
out, files, tempdir = execute_code(string, self._state, data)
self._output_status = OutputStatus(out, files, True, tempdir)
def output_status(self):
"""
Return OutputStatus object, which includes output from the
subprocess from the last executed command up until now,
information about files that were created, and whether
computing is now done.
OUTPUT:
- ``OutputStatus`` object.
"""
self._read()
if self._expect is None:
self._is_computing = False
else:
self._so_far += self._expect.before
import re
v = re.findall('START%s.*%s' % (self._number, self._prompt),
self._so_far, re.DOTALL)
if len(v) > 0:
self._is_computing = False
s = v[0][len('START%s' % self._number):-len(self._prompt)]
else:
v = re.findall('START%s.*' % self._number, self._so_far, re.DOTALL)
if len(v) > 0:
s = v[0][len('START%s' % self._number):]
else:
s = ''
if s.endswith(self._prompt):
s = s[:-len(self._prompt)]
files = []
if os.path.exists(self._tempdir):
files = [
os.path.join(self._tempdir, x)
for x in os.listdir(self._tempdir) if x != self._data
]
files = [x for x in files if x != self._filename]
return OutputStatus(s, files, not self._is_computing)
def __init__(self, process_limits=None, timeout=0.05, python='python'):
"""
Initialize this worksheet process.
"""
self._output_status = OutputStatus('', [], True)
self._expect = None
self._is_started = False
self._is_computing = False
self._timeout = timeout
self._prompt = "__SAGE__"
self._filename = ''
self._all_tempdirs = []
self._process_limits = process_limits
self._max_walltime = None
self._start_walltime = None
self._data_dir = None
self._python = python
if process_limits:
u = ''
if process_limits.max_vmem is not None:
u += ' -v %s' % (int(process_limits.max_vmem) * 1000)
if process_limits.max_cputime is not None:
u += ' -t %s' % (int(process_limits.max_cputime))
if process_limits.max_processes is not None:
u += ' -u %s' % (int(process_limits.max_processes))
# prepend ulimit options
if u == '':
self._ulimit = u
else:
self._ulimit = 'ulimit %s' % u
else:
self._ulimit = ''
if process_limits and process_limits.max_walltime:
self._max_walltime = process_limits.max_walltime