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try:
from IPython.terminal.interactiveshell import TerminalInteractiveShell
except ImportError:
from IPython.frontend.terminal.interactiveshell import TerminalInteractiveShell
from IPython.utils import io
import sys
import codeop, re
original_stdout = sys.stdout
original_stderr = sys.stderr
from IPython.core import release
#=======================================================================================================================
# _showtraceback
#=======================================================================================================================
def _showtraceback(*args, **kwargs):
import traceback;traceback.print_exc()
#=======================================================================================================================
# PyDevFrontEnd
#=======================================================================================================================
class PyDevFrontEnd:
version = release.__version__
def __init__(self, *args, **kwargs):
#Initialization based on: from IPython.testing.globalipapp import start_ipython
self._curr_exec_line = 0
# Store certain global objects that IPython modifies
_displayhook = sys.displayhook
_excepthook = sys.excepthook
class ClosablePyDevTerminalInteractiveShell(TerminalInteractiveShell):
'''Override ask_exit() method for correct exit, exit(), etc. handling.'''
def ask_exit(self):
sys.exit()
# Create and initialize our IPython instance.
shell = ClosablePyDevTerminalInteractiveShell.instance()
shell.showtraceback = _showtraceback
# IPython is ready, now clean up some global state...
# Deactivate the various python system hooks added by ipython for
# interactive convenience so we don't confuse the doctest system
sys.displayhook = _displayhook
sys.excepthook = _excepthook
# So that ipython magics and aliases can be doctested (they work by making
# a call into a global _ip object). Also make the top-level get_ipython
# now return this without recursively calling here again.
get_ipython = shell.get_ipython
try:
import __builtin__
except:
import builtins as __builtin__
__builtin__._ip = shell
__builtin__.get_ipython = get_ipython
# We want to print to stdout/err as usual.
io.stdout = original_stdout
io.stderr = original_stderr
self._curr_exec_lines = []
self.ipython = shell
def update(self, globals, locals):
ns = self.ipython.user_ns
for ind in ['_oh', '_ih', '_dh', '_sh', 'In', 'Out', 'get_ipython', 'exit', 'quit']:
locals[ind] = ns[ind]
self.ipython.user_global_ns.clear()
self.ipython.user_global_ns.update(globals)
self.ipython.user_ns = locals
if hasattr(self.ipython, 'history_manager') and hasattr(self.ipython.history_manager, 'save_thread'):
self.ipython.history_manager.save_thread.pydev_do_not_trace = True #don't trace ipython history saving thread
def complete(self, string):
try:
if string:
return self.ipython.complete(None, line=string, cursor_pos=string.__len__())
else:
return self.ipython.complete(string, string, 0)
except:
# Silence completer exceptions
pass
def is_complete(self, string):
#Based on IPython 0.10.1
if string in ('', '\n'):
# Prefiltering, eg through ipython0, may return an empty
# string although some operations have been accomplished. We
# thus want to consider an empty string as a complete
# statement.
return True
else:
try:
# Add line returns here, to make sure that the statement is
# complete (except if '\' was used).
# This should probably be done in a different place (like
# maybe 'prefilter_input' method? For now, this works.
clean_string = string.rstrip('\n')
if not clean_string.endswith('\\'): clean_string += '\n\n'
is_complete = codeop.compile_command(clean_string,
"<string>", "exec")
except Exception:
# XXX: Hack: return True so that the
# code gets executed and the error captured.
is_complete = True
return is_complete
def getNamespace(self):
return self.ipython.user_ns
def addExec(self, line):
if self._curr_exec_lines:
self._curr_exec_lines.append(line)
buf = '\n'.join(self._curr_exec_lines)
if self.is_complete(buf):
self._curr_exec_line += 1
self.ipython.run_cell(buf)
del self._curr_exec_lines[:]
return False #execute complete (no more)
return True #needs more
else:
if not self.is_complete(line):
#Did not execute
self._curr_exec_lines.append(line)
return True #needs more
else:
self._curr_exec_line += 1
self.ipython.run_cell(line, store_history=True)
#hist = self.ipython.history_manager.output_hist_reprs
#rep = hist.get(self._curr_exec_line, None)
#if rep is not None:
# print(rep)
return False #execute complete (no more)
def is_automagic(self):
return self.ipython.automagic
def get_greeting_msg(self):
return 'PyDev console: using IPython %s' % self.version
|
