Source code: Lib/traceback.py This module provides a standard interface to extract, format and print stack traces of Python programs. It is more flexible than the interpreter’s default traceback di...| Python documentation
The Python Development Mode introduces additional runtime checks that are too expensive to be enabled by default. It should not be more verbose than the default if the code is correct; new warnings...| Python documentation
The CPython interpreter scans the command line and the environment for various settings. CPython implementation detail: Other implementations’ command line schemes may differ. See Alternate Impleme...| Python documentation
Source code: Lib/signal.py This module provides mechanisms to use signal handlers in Python. General rules: The signal.signal() function allows defining custom handlers to be executed when a signal...| Python documentation
This module provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter. It is always available. Unless explicitly noted oth...| Python documentation
Source code: Lib/os.py This module provides a portable way of using operating system dependent functionality. If you just want to read or write a file see open(), if you want to manipulate paths, s...| Python documentation
Source code: Lib/pdb.py The module pdb defines an interactive source code debugger for Python programs. It supports setting (conditional) breakpoints and single stepping at the source line level, i...| Python documentation
