Python Tools Utilities

Categories: Python

The standard library comes with a number of modules that can be used both as modules and as command-line utilities.

The dis Module

The dis module is the Python disassembler. It converts byte codes to a format that is slightly more appropriate for human consumption.


You can run the disassembler from the command line. It compiles the given script and prints the disassembled byte codes to the STDOUT. You can also use dis as a module. The dis function takes a class, method, function or code object as its single argument.


The pdb Module

The pdb module is the standard Python debugger. It is based on the bdb debugger framework.


You can run the debugger from the command line (type n [or next] to go to the next line and help to get a list of available commands) 


The profile Module

The profile module is the standard Python profiler. You can run the profiler from the command line


The tabnanny Module

The tabnanny module checks Python source files for ambiguous indentation. If a file mixes tabs and spaces in a way that throws off indentation, no matter what tab size you're using, the nanny complains.



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