def eval(self, code, strip=True, **kwds):
"""
EXAMPLES:
sage: lisp.eval('(+ 2 2)')
'4'
"""
with gc_disabled():
self._synchronize()
code = str(code)
code = code.strip()
code = code.replace('\n', ' ')
x = []
for L in code.split('\n'):
if L != '':
try:
s = self.__in_seq + 1
pr = '\[%s\]>' % s
M = self._eval_line(L, wait_for_prompt=self._prompt)
phrase = '[C\x1b[C\n'
phrase = phrase if phrase in M else L
i = M.rfind(phrase)
if i > 1:
M = M[i + len(phrase):]
x.append(M.strip())
self.__in_seq = s
except KeyboardInterrupt:
# DO NOT CATCH KeyboardInterrupt, as it is being caught
# by _eval_line
# In particular, do NOT call self._keyboard_interrupt()
raise
except TypeError, s:
return 'error evaluating "%s":\n%s' % (code, s)
return '\n'.join(x)
def eval(self, code, strip=True, **kwds):
"""
EXAMPLES::
sage: lisp.eval('(+ 2 2)')
'4'
TEST:
Verify that it works when input == output::
sage: lisp.eval('2')
'2'
"""
with gc_disabled():
self._synchronize()
code = str(code)
code = code.strip()
code = code.replace('\n', ' ')
x = []
for L in code.split('\n'):
if L != '':
try:
s = self.__in_seq + 1
M = self._eval_line(L, wait_for_prompt=self._prompt)
if M.startswith(L + "\n"):
M = M[len(L):] # skip L in case it was echoed
x.append(M.strip())
self.__in_seq = s
except TypeError as s:
return 'error evaluating "%s":\n%s' % (code, s)
return '\n'.join(x)
def _eval_line(self, line, allow_use_file=True, wait_for_prompt=True):
"""
EXAMPLES::
sage: maple._eval_line('2+2') # optional - maple
'4'
"""
line += ';'
with gc_disabled():
z = Expect._eval_line(self, line, allow_use_file=allow_use_file,
wait_for_prompt=wait_for_prompt).replace('\\\n','').strip()
if z.lower().find("error") != -1:
# The following was very tricky to figure out.
# When an error occurs using Maple, unfortunately,
# Maple also dumps one into the line where the
# error occurred with that line copied in. This
# totally messes up the pexpect interface. However,
# I think the following few lines successfully
# "clear things out", i.e., delete the text from
# the edit buffer and get a clean prompt.
e = self.expect()
e.sendline('%s__sage__;'%(chr(8)*len(line)))
e.expect('__sage__;')
e.expect(self._prompt)
raise RuntimeError, "An error occurred running a Maple command:\nINPUT:\n%s\nOUTPUT:\n%s"%(line, z)
return z
def _eval_line(self,
line,
allow_use_file=True,
wait_for_prompt=True,
restart_if_needed=False):
"""
EXAMPLES::
sage: maple._eval_line('2+2') # optional - maple
'4'
"""
line += ';'
with gc_disabled():
z = Expect._eval_line(self,
line,
allow_use_file=allow_use_file,
wait_for_prompt=wait_for_prompt).replace(
'\\\n', '').strip()
if z.lower().find("error") != -1:
# The following was very tricky to figure out.
# When an error occurs using Maple, unfortunately,
# Maple also dumps one into the line where the
# error occurred with that line copied in. This
# totally messes up the pexpect interface. However,
# I think the following few lines successfully
# "clear things out", i.e., delete the text from
# the edit buffer and get a clean prompt.
e = self.expect()
e.sendline('%s__sage__;' % (chr(8) * len(line)))
e.expect('__sage__;')
e.expect(self._prompt)
raise RuntimeError, "An error occurred running a Maple command:\nINPUT:\n%s\nOUTPUT:\n%s" % (
line, z)
return z
def eval(self, code, strip=True, **kwds):
"""
EXAMPLES:
sage: lisp.eval('(+ 2 2)')
'4'
"""
with gc_disabled():
self._synchronize()
code = str(code)
code = code.strip()
code = code.replace('\n',' ')
x = []
for L in code.split('\n'):
if L != '':
try:
s = self.__in_seq + 1
pr = '\[%s\]>'%s
M = self._eval_line(L, wait_for_prompt=self._prompt)
phrase = '[C\x1b[C\n'
phrase = phrase if phrase in M else L
i = M.rfind(phrase)
if i > 1:
M = M[i+len(phrase):]
x.append(M.strip())
self.__in_seq = s
except KeyboardInterrupt:
# DO NOT CATCH KeyboardInterrupt, as it is being caught
# by _eval_line
# In particular, do NOT call self._keyboard_interrupt()
raise
except TypeError, s:
return 'error evaluating "%s":\n%s'%(code,s)
return '\n'.join(x)
def display2d(self, onscreen=True):
"""
Return the 2d string representation of this Maxima object.
EXAMPLES::
sage: F = maxima('x^5 - y^5').factor()
sage: F.display2d()
4 3 2 2 3 4
- (y - x) (y + x y + x y + x y + x )
"""
self._check_valid()
P = self.parent()
with gc_disabled():
P._eval_line('display2d : true$')
s = P._eval_line('disp(%s)$'%self.name(), reformat=False)
P._eval_line('display2d : false$')
s = s.strip('\r\n')
# if ever want to dedent, see
# http://mail.python.org/pipermail/python-list/2006-December/420033.html
if onscreen:
print s
else:
return s
def display2d(self, onscreen=True):
"""
Return the 2d string representation of this Maxima object.
EXAMPLES::
sage: F = maxima('x^5 - y^5').factor()
sage: F.display2d()
4 3 2 2 3 4
- (y - x) (y + x y + x y + x y + x )
"""
self._check_valid()
P = self.parent()
with gc_disabled():
P._eval_line('display2d : true$')
s = P._eval_line('disp(%s)$'%self.name(), reformat=False)
P._eval_line('display2d : false$')
s = s.strip('\r\n')
# if ever want to dedent, see
# http://mail.python.org/pipermail/python-list/2006-December/420033.html
if onscreen:
print s
else:
return s
def eval(self, code, strip=True, **kwds):
"""
EXAMPLES::
sage: lisp.eval('(+ 2 2)')
'4'
TEST:
Verify that it works when input == output::
sage: lisp.eval('2')
'2'
"""
with gc_disabled():
self._synchronize()
code = str(code)
code = code.strip()
code = code.replace('\n',' ')
x = []
for L in code.split('\n'):
if L != '':
try:
s = self.__in_seq + 1
M = self._eval_line(L, wait_for_prompt=self._prompt)
if M.startswith(L + "\n"):
M = M[len(L):] # skip L in case it was echoed
x.append(M.strip())
self.__in_seq = s
except TypeError, s:
return 'error evaluating "%s":\n%s'%(code,s)
return '\n'.join(x)
def eval(self, code, strip=True, **kwds):
"""
EXAMPLES:
sage: lisp.eval('(+ 2 2)')
'4'
TEST:
# Verify that it works when input == output
sage: lisp.eval('2')
'2'
"""
with gc_disabled():
self._synchronize()
code = str(code)
code = code.strip()
code = code.replace('\n',' ')
x = []
for L in code.split('\n'):
if L != '':
try:
s = self.__in_seq + 1
M = self._eval_line(L, wait_for_prompt=self._prompt)
if M.startswith(L + "\n"):
M = M[len(L):] # skip L in case it was echoed
x.append(M.strip())
self.__in_seq = s
except KeyboardInterrupt:
# DO NOT CATCH KeyboardInterrupt, as it is being caught
# by _eval_line
# In particular, do NOT call self._keyboard_interrupt()
raise
except TypeError, s:
return 'error evaluating "%s":\n%s'%(code,s)
return '\n'.join(x)
def _eval_line(self, line, allow_use_file=True, wait_for_prompt=True, restart_if_needed=False):
"""
EXAMPLES::
sage: maple._eval_line('2+2') # optional - maple
'4'
"""
line += ';'
with gc_disabled():
z = Expect._eval_line(self, line, allow_use_file=allow_use_file,
wait_for_prompt=wait_for_prompt).replace('\\\n','').strip()
if z.lower().find("error") != -1:
raise RuntimeError("An error occurred running a Maple command:\nINPUT:\n%s\nOUTPUT:\n%s" % (line, z))
return z
def _eval_line(self,
line,
allow_use_file=True,
wait_for_prompt=True,
restart_if_needed=False):
"""
EXAMPLES::
sage: maple._eval_line('2+2') # optional - maple
'4'
"""
line += ';'
with gc_disabled():
z = Expect._eval_line(self,
line,
allow_use_file=allow_use_file,
wait_for_prompt=wait_for_prompt).replace(
'\\\n', '').strip()
if z.lower().find("error") != -1:
raise RuntimeError(
"An error occurred running a Maple command:\nINPUT:\n%s\nOUTPUT:\n%s"
% (line, z))
return z