def __init__(self,
user_ns=None,
global_ns=None,
translator=None,
magic=None,
display_formatters=None,
traceback_formatters=None,
output_trap=None,
history=None,
message_cache=None,
filename='<string>',
config=None):
# The local/global namespaces for code execution
local_ns = user_ns # compatibility name
if local_ns is None:
local_ns = {}
self.user_ns = local_ns
# The local namespace
if global_ns is None:
global_ns = {}
self.user_global_ns = global_ns
# An object that will translate commands into executable Python.
# The current translator does not work properly so for now we are going
# without!
# if translator is None:
# from IPython.kernel.core.translator import IPythonTranslator
# translator = IPythonTranslator()
self.translator = translator
# An object that maintains magic commands.
if magic is None:
from IPython.kernel.core.magic import Magic
magic = Magic(self)
self.magic = magic
# A list of formatters for the displayhook.
if display_formatters is None:
display_formatters = default_display_formatters()
self.display_formatters = display_formatters
# A list of formatters for tracebacks.
if traceback_formatters is None:
traceback_formatters = default_traceback_formatters()
self.traceback_formatters = traceback_formatters
# The object trapping stdout/stderr.
if output_trap is None:
from IPython.kernel.core.output_trap import OutputTrap
output_trap = OutputTrap()
self.output_trap = output_trap
# An object that manages the history.
if history is None:
from IPython.kernel.core.history import InterpreterHistory
history = InterpreterHistory()
self.history = history
self.get_history_item = history.get_history_item
self.get_history_input_cache = history.get_input_cache
self.get_history_input_after = history.get_input_after
# An object that caches all of the return messages.
if message_cache is None:
from IPython.kernel.core.message_cache import SimpleMessageCache
message_cache = SimpleMessageCache()
self.message_cache = message_cache
# The "filename" of the code that is executed in this interpreter.
self.filename = filename
# An object that contains much configuration information.
if config is None:
# fixme: Move this constant elsewhere!
config = Bunch(ESC_MAGIC='%')
self.config = config
# Hook managers.
# fixme: make the display callbacks configurable. In the meantime,
# enable macros.
self.display_trap = DisplayTrap(
formatters=self.display_formatters,
callbacks=[self._possible_macro],
)
self.traceback_trap = TracebackTrap(
formatters=self.traceback_formatters)
# This is used temporarily for reformating exceptions in certain
# cases. It will go away once the ultraTB stuff is ported
# to ipython1
self.tbHandler = ultraTB.FormattedTB(color_scheme='NoColor',
mode='Context',
tb_offset=2)
# An object that can compile commands and remember __future__
# statements.
self.command_compiler = codeop.CommandCompiler()
# A replacement for the raw_input() and input() builtins. Change these
# attributes later to configure them.
self.raw_input_builtin = raw_input
self.input_builtin = input
# The number of the current cell.
self.current_cell_number = 1
# Initialize cache, set in/out prompts and printing system
self.outputcache = CachedOutput(self,
rc.cache_size,
rc.pprint,
input_sep=rc.separate_in,
output_sep=rc.separate_out,
output_sep2=rc.separate_out2,
ps1=rc.prompt_in1,
ps2=rc.prompt_in2,
ps_out=rc.prompt_out,
pad_left=rc.prompts_pad_left)
# Need to decide later if this is the right approach, but clients
# commonly use sys.ps1/2, so it may be best to just set them here
sys.ps1 = self.outputcache.prompt1.p_str
sys.ps2 = self.outputcache.prompt2.p_str
# This is the message dictionary assigned temporarily when running the
# code.
self.message = None
self.setup_namespace()
