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"""Imported by app_main.py when PyPy needs to fire up the interactive console.
"""
import sys
import os
irc_header = "And now for something completely different"
def interactive_console(mainmodule=None, quiet=False, future_flags=0):
# set sys.{ps1,ps2} just before invoking the interactive interpreter. This
# mimics what CPython does in pythonrun.c
if not hasattr(sys, 'ps1'):
sys.ps1 = '>>>> '
if not hasattr(sys, 'ps2'):
sys.ps2 = '.... '
#
if not quiet:
try:
from _pypy_irc_topic import some_topic
text = "%s: ``%s''" % ( irc_header, some_topic())
while len(text) >= 80:
i = text[:80].rfind(' ')
print(text[:i])
text = text[i+1:]
print(text)
except ImportError:
pass
#
try:
if not os.isatty(sys.stdin.fileno()):
# Bail out if stdin is not tty-like, as pyrepl wouldn't be happy
# For example, with:
# subprocess.Popen(['pypy', '-i'], stdin=subprocess.PIPE)
raise ImportError
from pyrepl.simple_interact import check
if not check():
raise ImportError
from pyrepl.simple_interact import run_multiline_interactive_console
except ImportError:
run_simple_interactive_console(mainmodule, future_flags=future_flags)
else:
run_multiline_interactive_console(mainmodule, future_flags=future_flags)
def run_simple_interactive_console(mainmodule, future_flags=0):
import code
if mainmodule is None:
import __main__ as mainmodule
console = code.InteractiveConsole(mainmodule.__dict__, filename='<stdin>')
if future_flags:
console.compile.compiler.flags |= future_flags
# some parts of code.py are copied here because it seems to be impossible
# to start an interactive console without printing at least one line
# of banner
more = 0
while 1:
try:
if more:
prompt = getattr(sys, 'ps2', '... ')
else:
prompt = getattr(sys, 'ps1', '>>> ')
try:
line = 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:
console.write("\n")
break
else:
more = console.push(line)
except KeyboardInterrupt:
console.write("\nKeyboardInterrupt\n")
console.resetbuffer()
more = 0
# ____________________________________________________________
if __name__ == '__main__': # for testing
if os.getenv('PYTHONSTARTUP'):
execfile(os.getenv('PYTHONSTARTUP'))
interactive_console()
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