Pylint can emit the following messages:
All messages in the fatal category:
.. toctree:: :maxdepth: 2 :titlesonly: fatal/astroid-error fatal/config-parse-error fatal/fatal fatal/method-check-failed fatal/parse-error
All renamed messages in the fatal category:
.. toctree:: :maxdepth: 1 :titlesonly: fatal/old-import-error
All messages in the error category:
.. toctree:: :maxdepth: 2 :titlesonly: error/abstract-class-instantiated error/access-member-before-definition error/assigning-non-slot error/assignment-from-no-return error/assignment-from-none error/await-outside-async error/bad-configuration-section error/bad-except-order error/bad-exception-cause error/bad-format-character error/bad-plugin-value error/bad-reversed-sequence error/bad-str-strip-call error/bad-string-format-type error/bad-super-call error/bidirectional-unicode error/broken-collections-callable error/broken-noreturn error/catching-non-exception error/class-variable-slots-conflict error/continue-in-finally error/dict-iter-missing-items error/duplicate-argument-name error/duplicate-bases error/format-needs-mapping error/function-redefined error/import-error error/inconsistent-mro error/inherit-non-class error/init-is-generator error/invalid-all-format error/invalid-all-object error/invalid-bool-returned error/invalid-bytes-returned error/invalid-character-backspace error/invalid-character-carriage-return error/invalid-character-esc error/invalid-character-nul error/invalid-character-sub error/invalid-character-zero-width-space error/invalid-class-object error/invalid-enum-extension error/invalid-envvar-value error/invalid-field-call error/invalid-format-returned error/invalid-getnewargs-ex-returned error/invalid-getnewargs-returned error/invalid-hash-returned error/invalid-index-returned error/invalid-length-hint-returned error/invalid-length-returned error/invalid-metaclass error/invalid-repr-returned error/invalid-sequence-index error/invalid-slice-index error/invalid-slice-step error/invalid-slots error/invalid-slots-object error/invalid-star-assignment-target error/invalid-str-returned error/invalid-unary-operand-type error/invalid-unicode-codec error/logging-format-truncated error/logging-too-few-args error/logging-too-many-args error/logging-unsupported-format error/method-hidden error/misplaced-bare-raise error/misplaced-format-function error/missing-format-string-key error/missing-kwoa error/mixed-format-string error/modified-iterating-dict error/modified-iterating-set error/no-member error/no-method-argument error/no-name-in-module error/no-self-argument error/no-value-for-parameter error/non-iterator-returned error/nonexistent-operator error/nonlocal-and-global error/nonlocal-without-binding error/not-a-mapping error/not-an-iterable error/not-async-context-manager error/not-callable error/not-context-manager error/not-in-loop error/notimplemented-raised error/positional-only-arguments-expected error/possibly-used-before-assignment error/potential-index-error error/raising-bad-type error/raising-non-exception error/redundant-keyword-arg error/relative-beyond-top-level error/repeated-keyword error/return-arg-in-generator error/return-in-init error/return-outside-function error/singledispatch-method error/singledispatchmethod-function error/star-needs-assignment-target error/syntax-error error/too-few-format-args error/too-many-format-args error/too-many-function-args error/too-many-star-expressions error/truncated-format-string error/undefined-all-variable error/undefined-variable error/unexpected-keyword-arg error/unexpected-special-method-signature error/unhashable-member error/unpacking-non-sequence error/unrecognized-inline-option error/unrecognized-option error/unsubscriptable-object error/unsupported-assignment-operation error/unsupported-binary-operation error/unsupported-delete-operation error/unsupported-membership-test error/used-before-assignment error/used-prior-global-declaration error/yield-inside-async-function error/yield-outside-function
All renamed messages in the error category:
.. toctree:: :maxdepth: 1 :titlesonly: error/bad-context-manager error/bad-exception-context error/bad-option-value error/maybe-no-member error/old-non-iterator-returned-2 error/old-unbalanced-tuple-unpacking error/unhashable-dict-key
All messages in the warning category:
.. toctree:: :maxdepth: 2 :titlesonly: warning/abstract-method warning/anomalous-backslash-in-string warning/anomalous-unicode-escape-in-string warning/arguments-differ warning/arguments-out-of-order warning/arguments-renamed warning/assert-on-string-literal warning/assert-on-tuple warning/attribute-defined-outside-init warning/bad-builtin warning/bad-chained-comparison warning/bad-dunder-name warning/bad-format-string warning/bad-format-string-key warning/bad-indentation warning/bad-open-mode warning/bad-staticmethod-argument warning/bad-thread-instantiation warning/bare-except warning/binary-op-exception warning/boolean-datetime warning/broad-exception-caught warning/broad-exception-raised warning/cell-var-from-loop warning/comparison-with-callable warning/confusing-with-statement warning/consider-ternary-expression warning/dangerous-default-value warning/deprecated-argument warning/deprecated-attribute warning/deprecated-class warning/deprecated-decorator warning/deprecated-method warning/deprecated-module warning/deprecated-typing-alias warning/differing-param-doc warning/differing-type-doc warning/duplicate-except warning/duplicate-key warning/duplicate-string-formatting-argument warning/duplicate-value warning/eq-without-hash warning/eval-used warning/exec-used warning/expression-not-assigned warning/f-string-without-interpolation warning/fixme warning/forgotten-debug-statement warning/format-combined-specification warning/format-string-without-interpolation warning/global-at-module-level warning/global-statement warning/global-variable-not-assigned warning/global-variable-undefined warning/implicit-flag-alias warning/implicit-str-concat warning/import-self warning/inconsistent-quotes warning/invalid-envvar-default warning/invalid-format-index warning/invalid-overridden-method warning/isinstance-second-argument-not-valid-type warning/keyword-arg-before-vararg warning/kwarg-superseded-by-positional-arg warning/logging-format-interpolation warning/logging-fstring-interpolation warning/logging-not-lazy warning/lost-exception warning/method-cache-max-size-none warning/misplaced-future warning/missing-any-param-doc warning/missing-format-argument-key warning/missing-format-attribute warning/missing-param-doc warning/missing-parentheses-for-call-in-test warning/missing-raises-doc warning/missing-return-doc warning/missing-return-type-doc warning/missing-timeout warning/missing-type-doc warning/missing-yield-doc warning/missing-yield-type-doc warning/modified-iterating-list warning/multiple-constructor-doc warning/named-expr-without-context warning/nan-comparison warning/nested-min-max warning/non-ascii-file-name warning/non-parent-init-called warning/non-str-assignment-to-dunder-name warning/overlapping-except warning/overridden-final-method warning/pointless-exception-statement warning/pointless-statement warning/pointless-string-statement warning/possibly-unused-variable warning/preferred-module warning/protected-access warning/raise-missing-from warning/raising-format-tuple warning/redeclared-assigned-name warning/redefined-builtin warning/redefined-loop-name warning/redefined-outer-name warning/redefined-slots-in-subclass warning/redundant-returns-doc warning/redundant-u-string-prefix warning/redundant-unittest-assert warning/redundant-yields-doc warning/reimported warning/return-in-finally warning/self-assigning-variable warning/self-cls-assignment warning/shadowed-import warning/shallow-copy-environ warning/signature-differs warning/subclassed-final-class warning/subprocess-popen-preexec-fn warning/subprocess-run-check warning/super-init-not-called warning/super-without-brackets warning/too-many-try-statements warning/try-except-raise warning/unbalanced-dict-unpacking warning/unbalanced-tuple-unpacking warning/undefined-loop-variable warning/unknown-option-value warning/unnecessary-ellipsis warning/unnecessary-lambda warning/unnecessary-pass warning/unnecessary-semicolon warning/unreachable warning/unspecified-encoding warning/unused-argument warning/unused-format-string-argument warning/unused-format-string-key warning/unused-import warning/unused-private-member warning/unused-variable warning/unused-wildcard-import warning/useless-else-on-loop warning/useless-param-doc warning/useless-parent-delegation warning/useless-type-doc warning/useless-with-lock warning/using-constant-test warning/using-f-string-in-unsupported-version warning/using-final-decorator-in-unsupported-version warning/while-used warning/wildcard-import warning/wrong-exception-operation
All renamed messages in the warning category:
.. toctree:: :maxdepth: 1 :titlesonly: warning/broad-except warning/cache-max-size-none warning/implicit-str-concat-in-sequence warning/lru-cache-decorating-method warning/old-assignment-from-none warning/old-deprecated-argument warning/old-deprecated-class warning/old-deprecated-decorator warning/old-deprecated-method warning/old-deprecated-module warning/old-empty-docstring warning/old-missing-param-doc warning/old-missing-returns-doc warning/old-missing-type-doc warning/old-missing-yields-doc warning/old-non-iterator-returned-1 warning/old-unidiomatic-typecheck warning/old-unpacking-non-sequence warning/useless-super-delegation
All messages in the convention category:
.. toctree:: :maxdepth: 2 :titlesonly: convention/bad-classmethod-argument convention/bad-docstring-quotes convention/bad-file-encoding convention/bad-mcs-classmethod-argument convention/bad-mcs-method-argument convention/consider-iterating-dictionary convention/consider-using-any-or-all convention/consider-using-dict-items convention/consider-using-enumerate convention/consider-using-f-string convention/dict-init-mutate convention/disallowed-name convention/docstring-first-line-empty convention/empty-docstring convention/import-outside-toplevel convention/import-private-name convention/invalid-characters-in-docstring convention/invalid-name convention/line-too-long convention/misplaced-comparison-constant convention/missing-class-docstring convention/missing-final-newline convention/missing-function-docstring convention/missing-module-docstring convention/mixed-line-endings convention/multiple-imports convention/multiple-statements convention/non-ascii-module-import convention/non-ascii-name convention/single-string-used-for-slots convention/singleton-comparison convention/superfluous-parens convention/too-many-lines convention/trailing-newlines convention/trailing-whitespace convention/typevar-double-variance convention/typevar-name-incorrect-variance convention/typevar-name-mismatch convention/unexpected-line-ending-format convention/ungrouped-imports convention/unidiomatic-typecheck convention/unnecessary-direct-lambda-call convention/unnecessary-dunder-call convention/unnecessary-lambda-assignment convention/unnecessary-negation convention/use-implicit-booleaness-not-comparison convention/use-implicit-booleaness-not-comparison-to-string convention/use-implicit-booleaness-not-comparison-to-zero convention/use-implicit-booleaness-not-len convention/use-maxsplit-arg convention/use-sequence-for-iteration convention/useless-import-alias convention/wrong-import-order convention/wrong-import-position convention/wrong-spelling-in-comment convention/wrong-spelling-in-docstring
All renamed messages in the convention category:
.. toctree:: :maxdepth: 1 :titlesonly: convention/blacklisted-name convention/compare-to-empty-string convention/compare-to-zero convention/len-as-condition convention/missing-docstring convention/old-misplaced-comparison-constant convention/old-non-ascii-name convention/unneeded-not
All messages in the refactor category:
.. toctree:: :maxdepth: 2 :titlesonly: refactor/chained-comparison refactor/comparison-of-constants refactor/comparison-with-itself refactor/condition-evals-to-constant refactor/confusing-consecutive-elif refactor/consider-alternative-union-syntax refactor/consider-merging-isinstance refactor/consider-refactoring-into-while-condition refactor/consider-swap-variables refactor/consider-using-alias refactor/consider-using-assignment-expr refactor/consider-using-augmented-assign refactor/consider-using-dict-comprehension refactor/consider-using-from-import refactor/consider-using-generator refactor/consider-using-get refactor/consider-using-in refactor/consider-using-join refactor/consider-using-max-builtin refactor/consider-using-min-builtin refactor/consider-using-namedtuple-or-dataclass refactor/consider-using-set-comprehension refactor/consider-using-sys-exit refactor/consider-using-ternary refactor/consider-using-tuple refactor/consider-using-with refactor/cyclic-import refactor/duplicate-code refactor/else-if-used refactor/empty-comment refactor/inconsistent-return-statements refactor/literal-comparison refactor/magic-value-comparison refactor/no-classmethod-decorator refactor/no-else-break refactor/no-else-continue refactor/no-else-raise refactor/no-else-return refactor/no-self-use refactor/no-staticmethod-decorator refactor/prefer-typing-namedtuple refactor/property-with-parameters refactor/redefined-argument-from-local refactor/redefined-variable-type refactor/redundant-typehint-argument refactor/simplifiable-condition refactor/simplifiable-if-expression refactor/simplifiable-if-statement refactor/simplify-boolean-expression refactor/stop-iteration-return refactor/super-with-arguments refactor/too-complex refactor/too-few-public-methods refactor/too-many-ancestors refactor/too-many-arguments refactor/too-many-boolean-expressions refactor/too-many-branches refactor/too-many-instance-attributes refactor/too-many-locals refactor/too-many-nested-blocks refactor/too-many-positional refactor/too-many-public-methods refactor/too-many-return-statements refactor/too-many-statements refactor/trailing-comma-tuple refactor/unnecessary-comprehension refactor/unnecessary-dict-index-lookup refactor/unnecessary-list-index-lookup refactor/use-a-generator refactor/use-dict-literal refactor/use-list-literal refactor/use-set-for-membership refactor/use-yield-from refactor/useless-object-inheritance refactor/useless-option-value refactor/useless-return
All renamed messages in the refactor category:
.. toctree:: :maxdepth: 1 :titlesonly: refactor/old-no-self-use refactor/old-simplifiable-if-statement refactor/old-too-many-nested-blocks
All messages in the information category:
.. toctree:: :maxdepth: 2 :titlesonly: information/bad-inline-option information/c-extension-no-member information/deprecated-pragma information/file-ignored information/locally-disabled information/raw-checker-failed information/suppressed-message information/use-symbolic-message-instead information/useless-suppression
All renamed messages in the information category:
.. toctree:: :maxdepth: 1 :titlesonly: information/deprecated-disable-all