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Add help() to the simple repl

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Fixes #1789533 [enhancements to the calibre-debug enviroment](https://bugs.launchpad.net/calibre/+bug/1789533)
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Kovid Goyal 2018-08-29 09:36:34 +05:30
parent 238c0c6c33
commit 9d1090091f
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 13 additions and 0 deletions
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13
src/calibre/utils/ipython.py
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@ -153,6 +153,17 @@ class Exit:
raise SystemExit(0)
class Helper(object):
def __repr__(self):
return "Type help() for interactive help, " \
"or help(object) for help about object."
def __call__(self, *args, **kwds):
import pydoc
return pydoc.help(*args, **kwds)
def simple_repl(user_ns={}):
if iswindows:
setup_pyreadline()
@ -169,6 +180,7 @@ def simple_repl(user_ns={}):
for x in ('os', 'sys', 're'):
user_ns[x] = user_ns.get(x, globals().get(x, locals().get(x)))
user_ns['exit'] = Exit()
user_ns['help'] = Helper()
from code import InteractiveConsole
console = InteractiveConsole(user_ns)
console.runsource('from __future__ import (unicode_literals, division, absolute_import, print_function)')
@ -176,6 +188,7 @@ def simple_repl(user_ns={}):
def ipython(user_ns=None):
return simple_repl(user_ns=user_ns)
os.environ['IPYTHONDIR'] = ipydir
try:
from IPython.terminal.embed import InteractiveShellEmbed