def do_prefilter_paste(line, continuation):
"""
Alternate prefilter for input.
INPUT:
line -- a single line; must *not* have any newlines in it
continuation -- whether the input line is really part
of the previous line, because of open parens or backslash.
"""
if '\n' in line:
raise RuntimeError, "bug in function that calls do_prefilter_paste -- there can be no newlines in the input"
global attached
# This is so it's OK to have lots of blank space at the
# beginning of any non-continuation line.
if continuation:
# strip ...'s that appear in examples
L = line.lstrip()
if L[:3] == '...':
line = L[3:]
else:
line = line.lstrip()
line = line.rstrip()
if not line.startswith('attach ') and not line.startswith('load ') and not line.startswith('%run '):
for F in attached.keys():
tm = attached[F]
if os.path.exists(F) and os.path.getmtime(F) > tm:
# Reload F.
try:
if F.endswith('.py'):
_ip.runlines('%%run -i "%s"'%F)
elif F.endswith('.sage'):
_ip.runlines('%%run -i "%s"'%preparse_file_named(F))
elif F.endswith('.spyx') or F.endswith('.pyx'):
X = load_cython(F)
__IPYTHON__.push(X)
else:
line = 'load("%s")'%F
t = os.path.getmtime(F)
attached[F] = t
except IOError:
del attached[F]
# Get rid of leading sage: so that pasting of examples from the documentation
# works. This is like MAGMA's SetLinePrompt(false).
for prompt in ['sage:', '>>>']:
if not continuation:
while True:
strip = False
if line[:3] == prompt:
line = line[3:].lstrip()
strip = True
elif line[:5] == prompt:
line = line[5:].lstrip()
strip = True
if not strip:
break
else:
line = line.lstrip()
# 'quit' alone on a line to quit.
if line.lower() in ['quit', 'exit', 'quit;', 'exit;']:
line = '%quit'
#################################################################
# An interactive load command, like iload in MAGMA.
#################################################################
if line[:6] == 'iload ':
import sage.misc.log as log
try:
name = str(eval(line[6:]))
except:
name = str(line[6:].strip())
try:
F = open(name)
except IOError:
raise ImportError, 'Could not open file "%s"'%name
print 'Interactively loading "%s"'%name
n = len(__IPYTHON__.input_hist)
for L in F.readlines():
L = L.rstrip()
Llstrip = L.lstrip()
raw_input('sage: %s'%L.rstrip())
__IPYTHON__.input_hist_raw.append(L)
if Llstrip[:5] == 'load ' or Llstrip[:7] == 'attach ' \
or Llstrip[:6] == 'iload ':
log.offset -= 1
L = do_prefilter_paste(L, False)
if len(L.strip()) > 0:
_ip.runlines(L)
L = ''
else:
L = preparser_ipython.preparse_ipython(L, not continuation)
__IPYTHON__.input_hist.append(L)
__IPYTHON__.push(L)
log.offset += 1
return ''
#################################################################
# A "load" command, like \r file in PARI or load "file" in MAGMA
#################################################################
if line[:5] == 'load ':
# The -i so the file is run with the same environment,
# e.g., including the "from sage import *"
try:
name = str(eval(line[5:])).strip()
except:
name = str(line[5:].strip())
if name.lower().startswith('http://'):
name = remote_file.get_remote_file(name)
if isinstance(name, str):
if not os.path.exists(name):
raise ImportError, "File '%s' not found (be sure to give .sage, .py, or .pyx extension)"%name
elif name.endswith('.py'):
try:
line = '%run -i "' + name + '"'
except IOError, s:
print s
raise ImportError, "Error loading '%s'"%name
elif name.endswith('.sage'):
try:
line = '%run -i "' + preparse_file_named(name) + '"'
except IOError, s:
print s
raise ImportError, "Error loading '%s'"%name
line = ""
elif name.endswith('.spyx') or name.endswith('.pyx'):
line = load_cython(name)
else:
line = 'load("%s")'%name
attached[name] = os.path.getmtime(name)
except IOError, OSError:
raise ImportError, "File '%s' not found."%name
elif name.endswith('.pyx') or name.endswith('.spyx'):
try:
line = load_cython(name)
attached[name] = os.path.getmtime(name)
except IOError, OSError:
raise ImportError, "File '%s' not found."%name
line = ''
else:
#line = 'load("%s")'%name
raise ImportError, "Attaching of '%s' not implemented (load .py, .pyx, and .sage files)"%name
if len(line) > 0:
line = preparser_ipython.preparse_ipython(line, not continuation)
return line
def load_cython(name):
cur = os.path.abspath(os.curdir)
try:
mod, dir = cython.cython(name, compile_message=True, use_cache=True)
except (IOError, OSError, RuntimeError), msg:
print "Error compiling cython file:\n%s"%msg
return ''
import sys
sys.path.append(dir)
return 'from %s import *'%mod
def handle_encoding_declaration(contents, out):
"""Find a Python encoding declaration in the first line
def do_prefilter_paste(line, continuation):
"""
Alternate prefilter for input.
INPUT:
- ``line`` -- a single line; must *not* have any newlines in it
- ``continuation`` -- whether the input line is really part
of the previous line, because of open parens or backslash.
"""
if '\n' in line:
raise RuntimeError, "bug in function that calls do_prefilter_paste -- there can be no newlines in the input"
# This is so it's OK to have lots of blank space at the
# beginning of any non-continuation line.
if continuation:
# strip ...'s that appear in examples
L = line.lstrip()
if L[:3] == '...':
line = L[3:]
else:
line = line.lstrip()
line = line.rstrip()
# Process attached files.
for F in modified_attached_files():
# We attach the files again instead of loading them,
# to preserve tracebacks or efficiency according
# to the settings of load_attach_mode().
_ip.runlines(load_wrap(F, attach=True))
# Get rid of leading sage: prompts so that pasting of examples
# from the documentation works. This is like MAGMA's
# SetLinePrompt(false).
for prompt in ['sage:', '>>>']:
if not continuation:
while True:
strip = False
if line[:3] == prompt:
line = line[3:].lstrip()
strip = True
elif line[:5] == prompt:
line = line[5:].lstrip()
strip = True
if not strip:
break
else:
line = line.lstrip()
# 'quit' alone on a line to quit.
if line.lower() in ['quit', 'exit', 'quit;', 'exit;']:
line = '%quit'
# An interactive load command, like iload in MAGMA.
if line[:6] == 'iload ':
try:
name = str(eval(line[6:]))
except:
name = str(line[6:].strip())
try:
F = open(name)
except IOError:
raise ImportError, 'Could not open file "%s"'%name
print 'Interactively loading "%s"'%name
n = len(__IPYTHON__.input_hist)
for L in F.readlines():
L = L.rstrip()
Llstrip = L.lstrip()
raw_input('sage: %s'%L.rstrip())
__IPYTHON__.input_hist_raw.append(L)
if Llstrip[:5] == 'load ' or Llstrip[:7] == 'attach ' \
or Llstrip[:6] == 'iload ':
log.offset -= 1
L = do_prefilter_paste(L, False)
if len(L.strip()) > 0:
_ip.runlines(L)
L = ''
else:
L = preparser_ipython.preparse_ipython(L, not continuation)
__IPYTHON__.input_hist.append(L)
__IPYTHON__.push(L)
log.offset += 1
return ''
#################################################################
# load and attach commands
#################################################################
for cmd in ['load', 'attach']:
if line.lstrip().startswith(cmd+' '):
j = line.find(cmd+' ')
s = line[j+len(cmd)+1:].strip()
if not s.startswith('('):
line = ' '*j + load_wrap(s, cmd=='attach')
if len(line) > 0:
line = preparser_ipython.preparse_ipython(line, not continuation)
return line
def do_prefilter_paste(line, continuation):
"""
Alternate prefilter for input.
INPUT:
line -- a single line; must *not* have any newlines in it
continuation -- whether the input line is really part
of the previous line, because of open parens or backslash.
"""
if '\n' in line:
raise RuntimeError, "bug in function that calls do_prefilter_paste -- there can be no newlines in the input"
global attached
# This is so it's OK to have lots of blank space at the
# beginning of any non-continuation line.
if continuation:
# strip ...'s that appear in examples
L = line.lstrip()
if L[:3] == '...':
line = L[3:]
else:
line = line.lstrip()
line = line.rstrip()
if not line.startswith('attach ') and not line.startswith(
'load ') and not line.startswith('%run '):
for F in attached.keys():
tm = attached[F]
if os.path.exists(F) and os.path.getmtime(F) > tm:
# Reload F.
try:
if F.endswith('.py'):
_ip.runlines('%%run -i "%s"' % F)
elif F.endswith('.sage'):
_ip.runlines('%%run -i "%s"' % preparse_file_named(F))
elif F.endswith('.spyx') or F.endswith('.pyx'):
X = load_cython(F)
__IPYTHON__.push(X)
else:
line = 'load("%s")' % F
t = os.path.getmtime(F)
attached[F] = t
except IOError:
del attached[F]
# Get rid of leading sage: so that pasting of examples from the documentation
# works. This is like MAGMA's SetLinePrompt(false).
for prompt in ['sage:', '>>>']:
if not continuation:
while True:
strip = False
if line[:3] == prompt:
line = line[3:].lstrip()
strip = True
elif line[:5] == prompt:
line = line[5:].lstrip()
strip = True
if not strip:
break
else:
line = line.lstrip()
# 'quit' alone on a line to quit.
if line.lower() in ['quit', 'exit', 'quit;', 'exit;']:
line = '%quit'
#################################################################
# An interactive load command, like iload in MAGMA.
#################################################################
if line[:6] == 'iload ':
import sage.misc.log as log
try:
name = str(eval(line[6:]))
except:
name = str(line[6:].strip())
try:
F = open(name)
except IOError:
raise ImportError, 'Could not open file "%s"' % name
print 'Interactively loading "%s"' % name
n = len(__IPYTHON__.input_hist)
for L in F.readlines():
L = L.rstrip()
Llstrip = L.lstrip()
raw_input('sage: %s' % L.rstrip())
__IPYTHON__.input_hist_raw.append(L)
if Llstrip[:5] == 'load ' or Llstrip[:7] == 'attach ' \
or Llstrip[:6] == 'iload ':
log.offset -= 1
L = do_prefilter_paste(L, False)
if len(L.strip()) > 0:
_ip.runlines(L)
L = ''
else:
L = preparser_ipython.preparse_ipython(L, not continuation)
__IPYTHON__.input_hist.append(L)
__IPYTHON__.push(L)
log.offset += 1
return ''
#################################################################
# A "load" command, like \r file in PARI or load "file" in MAGMA
#################################################################
if line[:5] == 'load ':
# The -i so the file is run with the same environment,
# e.g., including the "from sage import *"
try:
name = str(eval(line[5:])).strip()
except:
name = str(line[5:].strip())
if name.lower().startswith('http://'):
name = remote_file.get_remote_file(name)
if isinstance(name, str):
if not os.path.exists(name):
raise ImportError, "File '%s' not found (be sure to give .sage, .py, or .pyx extension)" % name
elif name.endswith('.py'):
try:
line = '%run -i "' + name + '"'
except IOError, s:
print s
raise ImportError, "Error loading '%s'" % name
elif name.endswith('.sage'):
try:
line = '%run -i "' + preparse_file_named(name) + '"'
except IOError, s:
print s
raise ImportError, "Error loading '%s'" % name
line = ""
elif name.endswith('.spyx') or name.endswith('.pyx'):
line = load_cython(name)
else:
line = 'load("%s")' % name
attached[name] = os.path.getmtime(name)
except IOError, OSError:
raise ImportError, "File '%s' not found." % name
elif name.endswith('.pyx') or name.endswith('.spyx'):
try:
line = load_cython(name)
attached[name] = os.path.getmtime(name)
except IOError, OSError:
raise ImportError, "File '%s' not found." % name
line = ''
else:
#line = 'load("%s")'%name
raise ImportError, "Attaching of '%s' not implemented (load .py, .pyx, and .sage files)" % name
if len(line) > 0:
line = preparser_ipython.preparse_ipython(line, not continuation)
return line
def load_cython(name):
cur = os.path.abspath(os.curdir)
try:
mod, dir = cython.cython(name, compile_message=True, use_cache=True)
except (IOError, OSError, RuntimeError), msg:
print "Error compiling cython file:\n%s" % msg
return ''
import sys
sys.path.append(dir)
return 'from %s import *' % mod
def do_prefilter_paste(line, continuation):
"""
Alternate prefilter for input.
INPUT:
- ``line`` -- a single line; must *not* have any newlines in it
- ``continuation`` -- whether the input line is really part
of the previous line, because of open parens or backslash.
"""
if '\n' in line:
raise RuntimeError, "bug in function that calls do_prefilter_paste -- there can be no newlines in the input"
# This is so it's OK to have lots of blank space at the
# beginning of any non-continuation line.
if continuation:
# strip ...'s that appear in examples
L = line.lstrip()
if L[:3] == '...':
line = L[3:]
else:
line = line.lstrip()
line = line.rstrip()
# Process attached files.
for F in modified_attached_files():
# We attach the files again instead of loading them,
# to preserve tracebacks or efficiency according
# to the settings of load_attach_mode().
_ip.runlines(load_wrap(F, attach=True))
# Get rid of leading sage: prompts so that pasting of examples
# from the documentation works. This is like MAGMA's
# SetLinePrompt(false).
for prompt in ['sage:', '>>>']:
if not continuation:
while True:
strip = False
if line[:3] == prompt:
line = line[3:].lstrip()
strip = True
elif line[:5] == prompt:
line = line[5:].lstrip()
strip = True
if not strip:
break
else:
line = line.lstrip()
# 'quit' alone on a line to quit.
if line.lower() in ['quit', 'exit', 'quit;', 'exit;']:
line = '%quit'
# An interactive load command, like iload in MAGMA.
if line[:6] == 'iload ':
try:
name = str(eval(line[6:]))
except:
name = str(line[6:].strip())
try:
F = open(name)
except IOError:
raise ImportError, 'Could not open file "%s"'%name
print 'Interactively loading "%s"'%name
n = len(__IPYTHON__.input_hist)
for L in F.readlines():
L = L.rstrip()
Llstrip = L.lstrip()
raw_input('sage: %s'%L.rstrip())
__IPYTHON__.input_hist_raw.append(L)
if Llstrip[:5] == 'load ' or Llstrip[:7] == 'attach ' \
or Llstrip[:6] == 'iload ':
log.offset -= 1
L = do_prefilter_paste(L, False)
if len(L.strip()) > 0:
_ip.runlines(L)
L = ''
else:
L = preparser_ipython.preparse_ipython(L, not continuation)
__IPYTHON__.input_hist.append(L)
__IPYTHON__.push(L)
log.offset += 1
return ''
#################################################################
# load and attach commands
#################################################################
for cmd in ['load', 'attach']:
if line.lstrip().startswith(cmd+' '):
j = line.find(cmd+' ')
s = line[j+len(cmd)+1:].strip()
if not s.startswith('('):
line = ' '*j + load_wrap(s, cmd=='attach')
if len(line) > 0:
line = preparser_ipython.preparse_ipython(line, not continuation)
return line
