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Add PUDB_RDB_REVERSE var to control reverse mode (#631)

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* Add PUDB_RDB_REVERSE var to control reverse mode

* Fix flake8 warnings
This commit is contained in:
Max Arnold 2024-01-17 04:57:09 +07:00 committed by GitHub
parent 5b7a07fecb
commit 270c7c937f
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GPG Key ID: B5690EEEBB952194
2 changed files with 20 additions and 4 deletions
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5
doc/starting.rst
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@ -131,6 +131,11 @@ Specify host and port in set_trace and set the *reverse* parameter to *True*::
from pudb.remote import set_trace
set_trace(reverse=True)
The "reverse" mode can also be enabled by setting the environment variable to a
non-empty value (the keyword argument has priority over the env var)::
export PUDB_RDB_REVERSE=1
Then watch the debugger connect to netcat::
pudb:9999: Now in session with 127.0.0.1:6899.

19
pudb/remote.py
View File

@ -45,13 +45,15 @@ from typing import Callable, Any
from pudb.debugger import Debugger
__all__ = ["PUDB_RDB_HOST", "PUDB_RDB_PORT", "default_port", "debugger", "set_trace",
__all__ = ["PUDB_RDB_HOST", "PUDB_RDB_PORT", "PUDB_RDB_REVERSE",
"default_port", "debugger", "set_trace",
"debug_remote_on_single_rank"]
default_port = 6899
PUDB_RDB_HOST = os.environ.get("PUDB_RDB_HOST") or "127.0.0.1"
PUDB_RDB_PORT = int(os.environ.get("PUDB_RDB_PORT") or default_port)
PUDB_RDB_REVERSE = bool(os.environ.get("PUDB_RDB_REVERSE"))
#: Holds the currently active debugger.
_current = [None]
@ -124,7 +126,7 @@ class RemoteDebugger(Debugger):
port_search_limit=100,
out=sys.stdout,
term_size=None,
reverse=False,
reverse=PUDB_RDB_REVERSE,
):
"""
:arg term_size: A two-tuple ``(columns, rows)``, or *None*. If *None*,
@ -245,7 +247,12 @@ class RemoteDebugger(Debugger):
self.say(SESSION_ENDED.format(self=self))
def debugger(term_size=None, host=PUDB_RDB_HOST, port=PUDB_RDB_PORT, reverse=False):
def debugger(
term_size=None,
host=PUDB_RDB_HOST,
port=PUDB_RDB_PORT,
reverse=PUDB_RDB_REVERSE
):
"""Return the current debugger instance (if any),
or creates a new one."""
rdb = _current[0]
@ -258,7 +265,11 @@ def debugger(term_size=None, host=PUDB_RDB_HOST, port=PUDB_RDB_PORT, reverse=Fal
def set_trace(
frame=None, term_size=None, host=PUDB_RDB_HOST, port=PUDB_RDB_PORT, reverse=False
frame=None,
term_size=None,
host=PUDB_RDB_HOST,
port=PUDB_RDB_PORT,
reverse=PUDB_RDB_REVERSE
):
"""Set breakpoint at current location, or a specified frame"""
if frame is None: