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25 lines
1.3 KiB
Text
25 lines
1.3 KiB
Text
PyChecker is a tool for finding bugs in python source code. It finds problems
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that are typically caught by a compiler for less dynamic languages, like C and
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C++. It is similar to lint. Because of the dynamic nature of python, some
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warnings may be incorrect; however, spurious warnings should be fairly
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infrequent.
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PyChecker works in a combination of ways. First, it imports each module. If
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there is an import error, the module cannot be processed. The import provides
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some basic information about the module. The code for each function, class,
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and method is checked for possible problems.
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Types of problems that can be found include:
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* No global found (e.g., using a module without importing it)
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* Passing the wrong number of parameters to functions/methods/constructors
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* Passing the wrong number of parameters to builtin functions & methods
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* Using format strings that don't match arguments
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* Using class methods and attributes that don't exist
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* Changing signature when overriding a method
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* Redefining a function/class/method in the same scope
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* Using a variable before setting it
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* self is not the first parameter defined for a method
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* Unused globals and locals (module or variable)
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* Unused function/method arguments (can ignore self)
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* No doc strings in modules, classes, functions, and methods
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