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.
"""
if self._expect is None:
self.start()
if self._expect is None:
raise RuntimeError(
"unable to start subprocess using command '%s'" %
self.command())
self._number += 1
local, remote = self.get_tmpdir()
if data is not None:
# make a symbolic link from the data directory into local tmp directory
self._data = os.path.split(data)[1]
self._data_dir = data
set_permissive_permissions(data)
os.symlink(data, os.path.join(local, self._data))
else:
self._data = ''
self._tempdir = local
sage_input = '_sage_input_%s.py' % self._number
self._filename = os.path.join(self._tempdir, sage_input)
self._so_far = ''
self._is_computing = True
self._all_tempdirs.append(self._tempdir)
open(self._filename,
'w').write(format_for_pexpect(string, self._prompt, self._number))
try:
self._expect.sendline(
'\nimport os;os.chdir("%s");\nexecfile("%s")' %
(remote, sage_input))
except OSError as msg:
self._is_computing = False
self._so_far = str(msg)
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.
"""
if self._expect is None:
self.start()
if self._expect is None:
msg = "unable to start subprocess using command '%s'" % self.command()
raise RuntimeError(msg)
self._number += 1
local, remote = self.get_tmpdir()
if data is not None:
# make a symbolic link from the data directory into local
# tmp directory
self._data = os.path.split(data)[1]
self._data_dir = data
set_permissive_permissions(data)
os.symlink(data, os.path.join(local, self._data))
else:
self._data = ''
self._tempdir = local
sage_input = '_sage_input_%s.py' % self._number
self._filename = os.path.join(self._tempdir, sage_input)
self._so_far = ''
self._is_computing = True
self._all_tempdirs.append(self._tempdir)
open(self._filename, 'w').write(format_for_pexpect(string, self._prompt,
self._number))
try:
txt = '\nimport os;os.chdir("%s");\nexecfile("%s")' % (remote,
sage_input)
self._expect.sendline(txt)
except OSError as msg:
self._is_computing = False
self._so_far = str(msg)
def get_tmpdir(self):
"""
Return two strings (local, remote), where local is the name
of a pre-created temporary directory, and remote is the name
of the same directory but on the machine on which the actual
worksheet process is running.
"""
# In this implementation the remote process is just running
# as the same user on the local machine.
local = tempfile.mkdtemp(dir=self._local_directory)
remote = os.path.join(self._remote_directory, local[len(self._local_directory):].lstrip(os.path.sep))
# Make it so local is world read/writable -- so that the remote worksheet
# process can write to it.
set_permissive_permissions(local)
return (local, remote)
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.
"""
if self._expect is None:
self.start()
if self._expect is None:
raise RuntimeError, "unable to start subprocess using command '%s'"%self.command()
self._number += 1
local, remote = self.get_tmpdir()
if data is not None:
# make a symbolic link from the data directory into local tmp directory
self._data = os.path.split(data)[1]
self._data_dir = data
set_permissive_permissions(data)
os.symlink(data, os.path.join(local, self._data))
else:
self._data = ''
self._tempdir = local
sage_input = '_sage_input_%s.py'%self._number
self._filename = os.path.join(self._tempdir, sage_input)
self._so_far = ''
self._is_computing = True
self._all_tempdirs.append(self._tempdir)
# The magic comment at the very start of the file allows utf8 characters.
open(self._filename,'w').write(
'# -*- coding: utf_8 -*-\nimport sys;sys.ps1="%s";print "START%s"\n'%(
self._prompt, self._number) + displayhook_hack(string))
try:
self._expect.sendline('\nimport os;os.chdir("%s");\nexecfile("%s")'%(
remote, sage_input))
except OSError, msg:
self._is_computing = False
self._so_far = str(msg)
def get_tmpdir(self):
"""
Return two strings (local, remote), where local is the name
of a pre-created temporary directory, and remote is the name
of the same directory but on the machine on which the actual
worksheet process is running.
"""
# In this implementation the remote process is just running
# as the same user on the local machine.
local = tempfile.mkdtemp(dir=self._local_directory)
remote = os.path.join(self._remote_directory,
local[len(self._local_directory):].lstrip(os.path.sep))
# Make it so local is world read/writable -- so that the
# remote worksheet process can write to it.
set_permissive_permissions(local)
return (local, remote)
