perf: allow profiling of more than one run
By default, we still profile the first run only. However profiling more run help
to understand side effect from one run to the other. So we add an option to be
able to do so.
# debugshell extension
"""a python shell with repo, changelog & manifest objects"""
import code
import mercurial
import sys
from mercurial import (
demandimport,
pycompat,
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(b'debugshell|dbsh', [])
def debugshell(ui, repo, **opts):
bannermsg = "loaded repo : %s\n" "using source: %s" % (
pycompat.sysstr(repo.root),
mercurial.__path__[0],
)
pdbmap = {'pdb': 'code', 'ipdb': 'IPython'}
debugger = ui.config(b"ui", b"debugger")
if not debugger:
debugger = 'pdb'
else:
debugger = pycompat.sysstr(debugger)
# if IPython doesn't exist, fallback to code.interact
try:
with demandimport.deactivated():
__import__(pdbmap[debugger])
except ImportError:
ui.warnnoi18n(
b"%s debugger specified but %s module was not found\n"
% (debugger, pdbmap[debugger])
)
debugger = b'pdb'
getattr(sys.modules[__name__], debugger)(ui, repo, bannermsg, **opts)