pychecker1

Major Options:

--only

only warn about files passed on the command line [off]

-e, --level

the maximum error level of warnings to be displayed

-#, --limit

the maximum number of warnings to be displayed [10]

-F, --config

specify .pycheckrc file to use

--quixote

support Quixote's PTL modules

--evil

list of evil C extensions that crash the interpreter [[]]

Error Control:

-i, --import

unused imports [on]

-k, --pkgimport

unused imports from __init__.py [on]

-M, --reimportself module imports itself [on]

-X, --reimport

reimporting a module [on]

-x, --miximport

module does import and from ... import [on]

-l, --local

unused local variables, except tuples [on]

-t, --tuple

all unused local variables, including tuples [off]

-9, --members

all unused class data members [off]

-v, --var

all unused module variables [off]

-p, --privatevar

unused private module variables [on]

-g, --allglobals

report each occurrence of global warnings [off]

-n, --namedargs

functions called with named arguments (like keywords) [off]

-a, --initattr

Attributes (members) must be defined in __init__() [off]

-I, --initsubclass Subclass.__init__() not defined [off]

-u, --callinit

Baseclass.__init__() not called [on]

-0, --abstract

Subclass needs to override methods that only throw exceptions [on]

-N, --initreturn

Return None from __init__() [on]

-8, --unreachable

unreachable code [off]

-2, --constCond

a constant is used in a conditional statement [on]

-1, --constant1

1 is used in a conditional statement (if 1: or while 1:) [off]

--stringiter

check if iterating over a string [on]

--stringfind

check improper use of string.find() [on]

-A, --callattr

Calling data members as functions [off]

-y, --classattr

class attribute does not exist [on]

-S, --self

First argument to methods [self]

--classmethodargs First argument to classmethods [['cls', 'klass']]

-T, --argsused

unused method/function arguments [on]

-z, --varargsused

unused method/function variable arguments [on]

-G, --selfused

ignore if self is unused in methods [off]

-o, --override

check if overridden methods have the same signature [on]

--special

check if __special__ methods exist and have the correct signature [on]

-U, --reuseattr

check if function/class/method names are reused [on]

-Y, --positive

check if using unary positive (+) which is usually meaningless [on]

-j, --moddefvalue

check if modify (call method) on a parameter that has a default value [on]

--changetypes

check if variables are set to different types [off]

--unpack

check if unpacking a non-sequence [on]

--unpacklen

check if unpacking sequence with the wrong length [on]

--badexcept

check if raising or catching bad exceptions [on]

-4, --noeffect

check if statement appears to have no effect [on]

--modulo1

check if using (expr % 1), it has no effect on integers and strings [on]

--isliteral

check if using (expr is const-literal), doesn't always work on integers and strings [on]

Possible Errors:

-r, --returnvalues check consistent return values [on]

-C, --implicitreturns check if using implict and explicit return values [on]

-O, --objattrs

check that attributes of objects exist [on]

-7, --slots

various warnings about incorrect usage of __slots__ [on]

-3, --properties

using properties with classic classes [on]

--emptyslots

check if __slots__ is empty [on]

-D, --intdivide

check if using integer division [on]

-w, --shadow

check if local variable shadows a global [on]

-s, --shadowbuiltin check if a variable shadows a builtin [on]

Security:

--input

check if input() is used [on]

-6, --exec

check if the exec statement is used [off]

Suppressions:

-q, --stdlib

ignore warnings from files under standard library [off]

-b, --blacklist

ignore warnings from the list of modules [['Tkinter', 'wxPython', 'gtk', 'GTK', 'GDK']]

-Z, --varlist

ignore global variables not used if name is one of these values [['__version__', '__warningregistry__', '__all__', '__credits__', '__test__', '__author__', '__email__', '__revision__', '__id__', '__copyright__', '__license__', '__date__']]

-E, --unusednames

ignore unused locals/arguments if name is one of these values [['_', 'empty', 'unused', 'dummy']]

--deprecated

ignore use of deprecated modules/functions [on]

Complexity:

-L, --maxlines

maximum lines in a function [200]

-B, --maxbranches

maximum branches in a function [50]

-R, --maxreturns

maximum returns in a function [10]

-J, --maxargs

maximum # of arguments to a function [10]

-K, --maxlocals

maximum # of locals in a function [40]

-5, --maxrefs

maximum # of identifier references (Law of Demeter) [5]

-m, --moduledoc

no module doc strings [off]

-c, --classdoc

no class doc strings [off]

-f, --funcdoc

no function/method doc strings [off]

Debug:

--rcfile

print a .pycheckrc file generated from command line args

-P, --printparse

print internal checker parse structures [off]

-d, --debug

turn on debugging for checker [off]

-Q, --quiet

turn off all output except warnings [off]

-V, --version

print the version of PyChecker and exit