Mass Deface
" when reading from a string).
The output is written by self.write(), below.
"""
type, value, sys.last_traceback = sys.exc_info()
sys.last_type = type
sys.last_value = value
if filename and type is SyntaxError:
# Work hard to stuff the correct filename in the exception
try:
msg, (dummy_filename, lineno, offset, line) = value
except:
# Not the format we expect; leave it alone
pass
else:
# Stuff in the right filename
value = SyntaxError(msg, (filename, lineno, offset, line))
sys.last_value = value
list = traceback.format_exception_only(type, value)
map(self.write, list)
def showtraceback(self):
"""Display the exception that just occurred.
We remove the first stack item because it is our own code.
The output is written by self.write(), below.
"""
try:
type, value, tb = sys.exc_info()
sys.last_type = type
sys.last_value = value
sys.last_traceback = tb
tblist = traceback.extract_tb(tb)
del tblist[:1]
list = traceback.format_list(tblist)
if list:
list.insert(0, "Traceback (most recent call last):\n")
list[len(list):] = traceback.format_exception_only(type, value)
finally:
tblist = tb = None
map(self.write, list)
def write(self, data):
"""Write a string.
The base implementation writes to sys.stderr; a subclass may
replace this with a different implementation.
"""
sys.stderr.write(data)
class InteractiveConsole(InteractiveInterpreter):
"""Closely emulate the behavior of the interactive Python interpreter.
This class builds on InteractiveInterpreter and adds prompting
using the familiar sys.ps1 and sys.ps2, and input buffering.
"""
def __init__(self, locals=None, filename=""):
"""Constructor.
The optional locals argument will be passed to the
InteractiveInterpreter base class.
The optional filename argument should specify the (file)name
of the input stream; it will show up in tracebacks.
"""
InteractiveInterpreter.__init__(self, locals)
self.filename = filename
self.resetbuffer()
def resetbuffer(self):
"""Reset the input buffer."""
self.buffer = []
def interact(self, banner=None):
"""Closely emulate the interactive Python console.
The optional banner argument specify the banner to print
before the first interaction; by default it prints a banner
similar to the one printed by the real Python interpreter,
followed by the current class name in parentheses (so as not
to confuse this with the real interpreter -- since it's so
close!).
"""
try:
sys.ps1
except AttributeError:
sys.ps1 = ">>> "
try:
sys.ps2
except AttributeError:
sys.ps2 = "... "
cprt = 'Type "help", "copyright", "credits" or "license" for more information.'
if banner is None:
self.write("Python %s on %s\n%s\n(%s)\n" %
(sys.version, sys.platform, cprt,
self.__class__.__name__))
else:
self.write("%s\n" % str(banner))
more = 0
while 1:
try:
if more:
prompt = sys.ps2
else:
prompt = sys.ps1
try:
line = self.raw_input(prompt)
# Can be None if sys.stdin was redefined
encoding = getattr(sys.stdin, "encoding", None)
if encoding and not isinstance(line, unicode):
line = line.decode(encoding)
except EOFError:
self.write("\n")
break
else:
more = self.push(line)
except KeyboardInterrupt:
self.write("\nKeyboardInterrupt\n")
self.resetbuffer()
more = 0
def push(self, line):
"""Push a line to the interpreter.
The line should not have a trailing newline; it may have
internal newlines. The line is appended to a buffer and the
interpreter's runsource() method is called with the
concatenated contents of the buffer as source. If this
indicates that the command was executed or invalid, the buffer
is reset; otherwise, the command is incomplete, and the buffer
is left as it was after the line was appended. The return
value is 1 if more input is required, 0 if the line was dealt
with in some way (this is the same as runsource()).
"""
self.buffer.append(line)
source = "\n".join(self.buffer)
more = self.runsource(source, self.filename)
if not more:
self.resetbuffer()
return more
def raw_input(self, prompt=""):
"""Write a prompt and read a line.
The returned line does not include the trailing newline.
When the user enters the EOF key sequence, EOFError is raised.
The base implementation uses the built-in function
raw_input(); a subclass may replace this with a different
implementation.
"""
return raw_input(prompt)
def interact(banner=None, readfunc=None, local=None):
"""Closely emulate the interactive Python interpreter.
This is a backwards compatible interface to the InteractiveConsole
class. When readfunc is not specified, it attempts to import the
readline module to enable GNU readline if it is available.
Arguments (all optional, all default to None):
banner -- passed to InteractiveConsole.interact()
readfunc -- if not None, replaces InteractiveConsole.raw_input()
local -- passed to InteractiveInterpreter.__init__()
"""
console = InteractiveConsole(local)
if readfunc is not None:
console.raw_input = readfunc
else:
try:
import readline
except ImportError:
pass
console.interact(banner)
if __name__ == "__main__":
interact()