sapling/hgext/debugshell.py
Jun Wu 19cda85a3a debugshell: enable it by default
Summary:
It's pretty handy. The implementation is simple and clean. So move it from
contrib and enable it by default. "import"s are adjusted to make the module
checker happy.

Security and UX wise, since we have `--debugger` already, adding another
REPL seems fine.

Test Plan: Ran all tests

Reviewers: phillco, #mercurial

Reviewed By: phillco

Differential Revision: https://phabricator.intern.facebook.com/D6741283

Signature: 6741283:1516225662:ddc19a663e7ecef2a1fdaa5041f308dc838a8471
2018-01-17 12:54:24 -08:00

60 lines
1.4 KiB
Python

# debugshell extension
"""a python shell with repo, changelog & manifest objects"""
from __future__ import absolute_import
import code
import sys
import mercurial
from mercurial import (
demandimport,
registrar,
)
cmdtable = {}
command = registrar.command(cmdtable)
def pdb(ui, repo, msg, **opts):
objects = {
'mercurial': mercurial,
'repo': repo,
'cl': repo.changelog,
'mf': repo.manifestlog,
}
code.interact(msg, local=objects)
def ipdb(ui, repo, msg, **opts):
import IPython
cl = repo.changelog
mf = repo.manifestlog
cl, mf # use variables to appease pyflakes
IPython.embed()
@command('debugshell|dbsh', [])
def debugshell(ui, repo, **opts):
bannermsg = "loaded repo : %s\n" \
"using source: %s" % (repo.root,
mercurial.__path__[0])
pdbmap = {
'pdb' : 'code',
'ipdb' : 'IPython'
}
debugger = ui.config("ui", "debugger")
if not debugger:
debugger = 'pdb'
# if IPython doesn't exist, fallback to code.interact
try:
with demandimport.deactivated():
__import__(pdbmap[debugger])
except ImportError:
ui.warn(("%s debugger specified but %s module was not found\n")
% (debugger, pdbmap[debugger]))
debugger = 'pdb'
getattr(sys.modules[__name__], debugger)(ui, repo, bannermsg, **opts)