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"""
This file shows how you can define a custom shell for PuDB. This is the
shell used when pressing the ! key in the debugger (it does not affect the
Ctrl-x shell that is built into PuDB).
To create a custom shell, create a file like this one with a function called
pudb_shell(_globals, _locals) defined at the module level. Note
that the file will be execfile'd.
Then, go to the PuDB preferences window (type Ctrl-p inside of PuDB) and add
the path to the file in the "Custom" field under the "Shell" heading.
The example in this file
"""
# Define this a function with this name and signature at the module level.
def pudb_shell(_globals, _locals):
"""
This example shell runs a classic Python shell. It is based on
run_classic_shell in pudb.shell.
"""
# Many shells only let you pass in a single locals dictionary, rather than
# separate globals and locals dictionaries. In this case, you can use
# pudb.shell.SetPropagatingDict to automatically merge the two into a
# single dictionary. It does this in such a way that assignments propagate
# to _locals, so that when the debugger is at the module level, variables
# can be reassigned in the shell.
from pudb.shell import SetPropagatingDict
ns = SetPropagatingDict([_locals, _globals], _locals)
try:
import readline
import rlcompleter
have_readline = True
except ImportError:
have_readline = False
if have_readline:
readline.set_completer(
rlcompleter.Completer(ns).complete)
readline.parse_and_bind("tab: complete")
readline.clear_history()
from code import InteractiveConsole
cons = InteractiveConsole(ns)
cons.interact("Press Ctrl-D to return to the debugger")
# When the function returns, control will be returned to the debugger.
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