diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..95aea19 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,12 @@ +root = true + +[*] +charset = utf-8 +end_of_line = lf +indent_size = 2 +indent_style = tab +insert_final_newline = true +trim_trailing_whitespace = true + +[*.{yaml,yml,md}] +indent_style = space diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..9d3036d --- /dev/null +++ b/.gitignore @@ -0,0 +1,21 @@ +.* +*.log +*.out +/bin/ +/tmp/ + +## Git +!.gitkeep +!.gitignore + +## GitHub +!.github/ + +## Editorconfig +!.editorconfig + +## Golang +go.work +go.work.sum +!.golangci.yml +!.goreleaser.yml diff --git a/.golangci.yml b/.golangci.yml new file mode 100644 index 0000000..661ecec --- /dev/null +++ b/.golangci.yml @@ -0,0 +1,228 @@ +run: + timeout: 5m + +issues: + exclude-dirs: + - 'bin' + - 'tmp' + - 'vendor' + exclude-rules: + - path: _test\.go + linters: + - forcetypeassert + - gocheckcompilerdirectives + +linters-settings: + # https://golangci-lint.run/usage/linters/#misspell + misspell: + mode: restricted + # https://golangci-lint.run/usage/linters/#asasalint + asasalint: + ignore-test: true + # https://golangci-lint.run/usage/linters/#exhaustive + exhaustive: + default-signifies-exhaustive: true + # https://golangci-lint.run/usage/linters/#gocritic + gocritic: + disabled-checks: + - assignOp + - ifElseChain + # https://golangci-lint.run/usage/linters/#testifylint + testifylint: + disable: + - float-compare + # https://golangci-lint.run/usage/linters/#gosec + gosec: + confidence: medium + # https://golangci-lint.run/usage/linters/#revive + revive: + enable-all-rules: true + ignore-generated-header: true + rules: + - name: line-length-limit + disabled: true + #- name: if-return + # disabled: true + #- name: bare-return + # disabled: true + - name: cognitive-complexity + disabled: true + - name: unused-parameter + disabled: true + - name: add-constant + disabled: true + - name: indent-error-flow + disabled: true + - name: cyclomatic + disabled: true + - name: function-length + disabled: true + - name: early-return + disabled: true + #- name: nested-structs + # disabled: true + #- name: var-naming + # disabled: true + - name: use-any + disabled: true + - name: max-public-structs + disabled: true + #- name: function-result-limit + # disabled: true + - name: flag-parameter + disabled: true + - name: unused-receiver + disabled: true + #- name: argument-limit + # disabled: true + #- name: empty-lines + # disabled: true + - name: confusing-naming + disabled: true + #- name: import-alias-naming + # disabled: true + - name: empty-block + disabled: true + #- name: import-shadowing + # disabled: true + - name: unhandled-error + arguments: + - "fmt.Printf" + - "fmt.Println" + #- name: max-control-nesting + # disabled: true + - name: exported + disabled: true + #- name: unchecked-type-assertion + # disabled: true + #- name: unnecessary-stmt + # disabled: true + #- name: get-return + # disabled: true + #- name: context-keys-type + # disabled: true + #- name: comment-spacings + # disabled: true + #- name: struct-tag + # disabled: true + #- name: confusing-results + # disabled: true + - name: superfluous-else + disabled: true + - name: unexported-return + disabled: true + #- name: error-return + # disabled: true + #- name: redefines-builtin-id + # disabled: true + +linters: + disable-all: true + enable: + # Enabled by default linters: + - errcheck # errcheck is a program for checking for unchecked errors in Go code. These unchecked errors can be critical bugs in some cases [fast: false, auto-fix: false] + - gosimple # (megacheck) Linter for Go source code that specializes in simplifying code [fast: false, auto-fix: false] + - govet # (vet, vetshadow) Vet examines Go source code and reports suspicious constructs. It is roughly the same as 'go vet' and uses its passes. [fast: false, auto-fix: false] + - ineffassign # Detects when assignments to existing variables are not used [fast: true, auto-fix: false] + - staticcheck # (megacheck) It's a set of rules from staticcheck. It's not the same thing as the staticcheck binary. The author of staticcheck doesn't support or approve the use of staticcheck as a library inside golangci-lint. [fast: false, auto-fix: false] + - unused # (megacheck) Checks Go code for unused constants, variables, functions and types [fast: false, auto-fix: false] + + # Disabled by your configuration linters: + - asasalint # check for pass []any as any in variadic func(...any) [fast: false, auto-fix: false] + - asciicheck # checks that all code identifiers does not have non-ASCII symbols in the name [fast: true, auto-fix: false] + - bidichk # Checks for dangerous unicode character sequences [fast: true, auto-fix: false] + - bodyclose # checks whether HTTP response body is closed successfully [fast: false, auto-fix: false] + #- containedctx # containedctx is a linter that detects struct contained context.Context field [fast: false, auto-fix: false] + - contextcheck # check whether the function uses a non-inherited context [fast: false, auto-fix: false] + #- copyloopvar # (go >= 1.22) copyloopvar is a linter detects places where loop variables are copied [fast: true, auto-fix: false] + #- cyclop # checks function and package cyclomatic complexity [fast: false, auto-fix: false] + - decorder # check declaration order and count of types, constants, variables and functions [fast: true, auto-fix: false] + #- depguard # Go linter that checks if package imports are in a list of acceptable packages [fast: true, auto-fix: false] + #- dogsled # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f()) [fast: true, auto-fix: false] + #- dupl # Tool for code clone detection [fast: true, auto-fix: false] + #- dupword # checks for duplicate words in the source code [fast: true, auto-fix: false] + - durationcheck # check for two durations multiplied together [fast: false, auto-fix: false] + - errchkjson # Checks types passed to the json encoding functions. Reports unsupported types and reports occations, where the check for the returned error can be omitted. [fast: false, auto-fix: false] + - errname # Checks that sentinel errors are prefixed with the `Err` and error types are suffixed with the `Error`. [fast: false, auto-fix: false] + - errorlint # errorlint is a linter for that can be used to find code that will cause problems with the error wrapping scheme introduced in Go 1.13. [fast: false, auto-fix: false] + - exhaustive # check exhaustiveness of enum switch statements [fast: false, auto-fix: false] + #- exhaustruct # Checks if all structure fields are initialized [fast: false, auto-fix: false] + - exportloopref # checks for pointers to enclosing loop variables [fast: false, auto-fix: false] + #- forbidigo # Forbids identifiers [fast: false, auto-fix: false] + - forcetypeassert # finds forced type assertions [fast: true, auto-fix: false] + #- funlen # Tool for detection of long functions [fast: true, auto-fix: false] + #- gci # Gci controls Go package import order and makes it always deterministic. [fast: true, auto-fix: true] + #- ginkgolinter # enforces standards of using ginkgo and gomega [fast: false, auto-fix: false] + - gocheckcompilerdirectives # Checks that go compiler directive comments (//go:) are valid. [fast: true, auto-fix: false] + #- gochecknoglobals # Check that no global variables exist. [fast: false, auto-fix: false] + #- gochecknoinits # Checks that no init functions are present in Go code [fast: true, auto-fix: false] + - gochecksumtype # Run exhaustiveness checks on Go "sum types" [fast: false, auto-fix: false] + #- gocognit # Computes and checks the cognitive complexity of functions [fast: true, auto-fix: false] + #- goconst # Finds repeated strings that could be replaced by a constant [fast: true, auto-fix: false] + - gocritic # Provides diagnostics that check for bugs, performance and style issues. [fast: false, auto-fix: true] + #- gocyclo # Computes and checks the cyclomatic complexity of functions [fast: true, auto-fix: false] + #- godot # Check if comments end in a period [fast: true, auto-fix: true] + #- godox # Tool for detection of FIXME, TODO and other comment keywords [fast: true, auto-fix: false] + #- goerr113 # Go linter to check the errors handling expressions [fast: false, auto-fix: false] + - gofmt # Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification [fast: true, auto-fix: true] + #- gofumpt # Gofumpt checks whether code was gofumpt-ed. [fast: true, auto-fix: true] + - goheader # Checks is file header matches to pattern [fast: true, auto-fix: true] + - goimports # Check import statements are formatted according to the 'goimport' command. Reformat imports in autofix mode. [fast: true, auto-fix: true] + #- gomnd # An analyzer to detect magic numbers. [fast: true, auto-fix: false] + - gomoddirectives # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod. [fast: true, auto-fix: false] + - gomodguard # Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations. [fast: true, auto-fix: false] + - goprintffuncname # Checks that printf-like functions are named with `f` at the end. [fast: true, auto-fix: false] + - gosec # (gas) Inspects source code for security problems [fast: false, auto-fix: false] + #- gosmopolitan # Report certain i18n/l10n anti-patterns in your Go codebase [fast: false, auto-fix: false] + - grouper # Analyze expression groups. [fast: true, auto-fix: false] + - importas # Enforces consistent import aliases [fast: false, auto-fix: false] + #- inamedparam # reports interfaces with unnamed method parameters [fast: true, auto-fix: false] + #- interfacebloat # A linter that checks the number of methods inside an interface. [fast: true, auto-fix: false] + #- intrange # (go >= 1.22) intrange is a linter to find places where for loops could make use of an integer range. [fast: true, auto-fix: false] + #- ireturn # Accept Interfaces, Return Concrete Types [fast: false, auto-fix: false] + #- lll # Reports long lines [fast: true, auto-fix: false] + #- loggercheck # (logrlint) Checks key value pairs for common logger libraries (kitlog,klog,logr,zap). [fast: false, auto-fix: false] + #- maintidx # maintidx measures the maintainability index of each function. [fast: true, auto-fix: false] + - makezero # Finds slice declarations with non-zero initial length [fast: false, auto-fix: false] + - misspell # Finds commonly misspelled English words [fast: true, auto-fix: true] + - mirror # reports wrong mirror patterns of bytes/strings usage [fast: false, auto-fix: true] + - musttag # enforce field tags in (un)marshaled structs [fast: false, auto-fix: false] + #- nakedret # Checks that functions with naked returns are not longer than a maximum size (can be zero). [fast: true, auto-fix: false] + #- nestif # Reports deeply nested if statements [fast: true, auto-fix: false] + - nilerr # Finds the code that returns nil even if it checks that the error is not nil. [fast: false, auto-fix: false] + - nilnil # Checks that there is no simultaneous return of `nil` error and an invalid value. [fast: false, auto-fix: false] + #- nlreturn # nlreturn checks for a new line before return and branch statements to increase code clarity [fast: true, auto-fix: false] + - noctx # Finds sending http request without context.Context [fast: false, auto-fix: false] + - nolintlint # Reports ill-formed or insufficient nolint directives [fast: true, auto-fix: true] + - nonamedreturns # Reports all named returns [fast: false, auto-fix: false] + - nosprintfhostport # Checks for misuse of Sprintf to construct a host with port in a URL. [fast: true, auto-fix: false] + #- paralleltest # Detects missing usage of t.Parallel() method in your Go test [fast: false, auto-fix: false] + #- perfsprint # Checks that fmt.Sprintf can be replaced with a faster alternative. [fast: false, auto-fix: false] + - prealloc # Finds slice declarations that could potentially be pre-allocated [fast: true, auto-fix: false] + - predeclared # find code that shadows one of Go's predeclared identifiers [fast: true, auto-fix: false] + - promlinter # Check Prometheus metrics naming via promlint [fast: true, auto-fix: false] + #- protogetter # Reports direct reads from proto message fields when getters should be used [fast: false, auto-fix: true] + - reassign # Checks that package variables are not reassigned [fast: false, auto-fix: false] + - revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint. [fast: false, auto-fix: false] + #- rowserrcheck # checks whether Rows.Err of rows is checked successfully [fast: false, auto-fix: false] + #- sloglint # ensure consistent code style when using log/slog [fast: false, auto-fix: false] + #- spancheck # Checks for mistakes with OpenTelemetry/Census spans. [fast: false, auto-fix: false] + #- sqlclosecheck # Checks that sql.Rows, sql.Stmt, sqlx.NamedStmt, pgx.Query are closed. [fast: false, auto-fix: false] + - stylecheck # Stylecheck is a replacement for golint [fast: false, auto-fix: false] + #- tagalign # check that struct tags are well aligned [fast: true, auto-fix: true] + - tagliatelle # Checks the struct tags. [fast: true, auto-fix: false] + - tenv # tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17 [fast: false, auto-fix: false] + - testableexamples # linter checks if examples are testable (have an expected output) [fast: true, auto-fix: false] + - testifylint # Checks usage of github.com/stretchr/testify. [fast: false, auto-fix: false] + - testpackage # linter that makes you use a separate _test package [fast: true, auto-fix: false] + - thelper # thelper detects tests helpers which is not start with t.Helper() method. [fast: false, auto-fix: false] + #- tparallel # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes. [fast: false, auto-fix: false] + - unconvert # Remove unnecessary type conversions [fast: false, auto-fix: false] + #- unparam # Reports unused function parameters [fast: false, auto-fix: false] + - usestdlibvars # A linter that detect the possibility to use variables/constants from the Go standard library. [fast: true, auto-fix: false] + #- varnamelen # checks that the length of a variable's name matches its scope [fast: false, auto-fix: false] + - wastedassign # Finds wasted assignment statements [fast: false, auto-fix: false] + - whitespace # Whitespace is a linter that checks for unnecessary newlines at the start and end of functions, if, for, etc. [fast: true, auto-fix: true] + #- wrapcheck # Checks that errors returned from external packages are wrapped [fast: false, auto-fix: false] + #- wsl # add or remove empty lines [fast: true, auto-fix: false] + #- zerologlint # Detects the wrong usage of `zerolog` that a user forgets to dispatch with `Send` or `Msg` [fast: false, auto-fix: false] diff --git a/.goreleaser.yml b/.goreleaser.yml new file mode 100644 index 0000000..6282460 --- /dev/null +++ b/.goreleaser.yml @@ -0,0 +1,22 @@ +project_name: keel + +release: + github: + owner: foomo + name: keel + prerelease: auto + +builds: + - skip: true + +archives: + - format: tar.gz + format_overrides: + - goos: windows + format: zip + files: + - LICENSE + - README.md + +changelog: + use: github-native diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..34aabf4 --- /dev/null +++ b/CODE_OF_CONDUCT.md @@ -0,0 +1,128 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +We as members, contributors, and leaders pledge to make participation in our +community a harassment-free experience for everyone, regardless of age, body +size, visible or invisible disability, ethnicity, sex characteristics, gender +identity and expression, level of experience, education, socio-economic status, +nationality, personal appearance, race, religion, or sexual identity +and orientation. + +We pledge to act and interact in ways that contribute to an open, welcoming, +diverse, inclusive, and healthy community. + +## Our Standards + +Examples of behavior that contributes to a positive environment for our +community include: + +* Demonstrating empathy and kindness toward other people +* Being respectful of differing opinions, viewpoints, and experiences +* Giving and gracefully accepting constructive feedback +* Accepting responsibility and apologizing to those affected by our mistakes, + and learning from the experience +* Focusing on what is best not just for us as individuals, but for the + overall community + +Examples of unacceptable behavior include: + +* The use of sexualized language or imagery, and sexual attention or + advances of any kind +* Trolling, insulting or derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or email + address, without their explicit permission +* Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Enforcement Responsibilities + +Community leaders are responsible for clarifying and enforcing our standards of +acceptable behavior and will take appropriate and fair corrective action in +response to any behavior that they deem inappropriate, threatening, offensive, +or harmful. + +Community leaders have the right and responsibility to remove, edit, or reject +comments, commits, code, wiki edits, issues, and other contributions that are +not aligned to this Code of Conduct, and will communicate reasons for moderation +decisions when appropriate. + +## Scope + +This Code of Conduct applies within all community spaces, and also applies when +an individual is officially representing the community in public spaces. +Examples of representing our community include using an official e-mail address, +posting via an official social media account, or acting as an appointed +representative at an online or offline event. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be +reported to the community leaders responsible for enforcement at +info@bestbytes.de. +All complaints will be reviewed and investigated promptly and fairly. + +All community leaders are obligated to respect the privacy and security of the +reporter of any incident. + +## Enforcement Guidelines + +Community leaders will follow these Community Impact Guidelines in determining +the consequences for any action they deem in violation of this Code of Conduct: + +### 1. Correction + +**Community Impact**: Use of inappropriate language or other behavior deemed +unprofessional or unwelcome in the community. + +**Consequence**: A private, written warning from community leaders, providing +clarity around the nature of the violation and an explanation of why the +behavior was inappropriate. A public apology may be requested. + +### 2. Warning + +**Community Impact**: A violation through a single incident or series +of actions. + +**Consequence**: A warning with consequences for continued behavior. No +interaction with the people involved, including unsolicited interaction with +those enforcing the Code of Conduct, for a specified period of time. This +includes avoiding interactions in community spaces as well as external channels +like social media. Violating these terms may lead to a temporary or +permanent ban. + +### 3. Temporary Ban + +**Community Impact**: A serious violation of community standards, including +sustained inappropriate behavior. + +**Consequence**: A temporary ban from any sort of interaction or public +communication with the community for a specified period of time. No public or +private interaction with the people involved, including unsolicited interaction +with those enforcing the Code of Conduct, is allowed during this period. +Violating these terms may lead to a permanent ban. + +### 4. Permanent Ban + +**Community Impact**: Demonstrating a pattern of violation of community +standards, including sustained inappropriate behavior, harassment of an +individual, or aggression toward or disparagement of classes of individuals. + +**Consequence**: A permanent ban from any sort of public interaction within +the community. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], +version 2.0, available at +https://www.contributor-covenant.org/version/2/0/code_of_conduct.html. + +Community Impact Guidelines were inspired by [Mozilla's code of conduct +enforcement ladder](https://github.com/mozilla/diversity). + +[homepage]: https://www.contributor-covenant.org + +For answers to common questions about this code of conduct, see the FAQ at +https://www.contributor-covenant.org/faq. Translations are available at +https://www.contributor-covenant.org/translations. diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..cba6e17 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2021 Foomo web framework + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/Makefile b/Makefile index 968412e..36fe426 100644 --- a/Makefile +++ b/Makefile @@ -1,2 +1,95 @@ +.DEFAULT_GOAL:=help +-include .makerc + +# --- Config ----------------------------------------------------------------- + +export BIN_DIR=$(shell pwd)/bin +export TEMP_DIR=$(shell pwd)/tmp +export PATH=${BIN_DIR}:$(shell echo $$PATH) + +OAPI_CODEGEN_VERSION:=1.12.4 + +# --- Targets ----------------------------------------------------------------- + +# This allows us to accept extra arguments +%: + @: + +## === Tasks === + +.PHONY: doc +## Run tests +doc: + @open "http://localhost:6060/pkg/github.com/foomo/hanko-go/" + @godoc -http=localhost:6060 -play + +.PHONY: test +## Run tests +test: + @go test -p 1 -coverprofile=coverage.out -race -json ./... | gotestfmt + +.PHONY: lint +## Run linter +lint: + @golangci-lint run + +.PHONY: lint.fix +## Fix lint violations +lint.fix: + @golangci-lint run --fix + +.PHONY: tidy +## Run go mod tidy +tidy: + @go mod tidy + +.PHONY: outdated +## Show outdated direct dependencies +outdated: + @go list -u -m -json all | go-mod-outdated -update -direct + +.PHONY: generate +## Generate code generate: - go generate ./... \ No newline at end of file + @go generate ./... + +brew:os=$(shell uname -s | tr '[:upper:]' '[:lower:]') +brew:arch=$(shell arch) +brew: + @mkdir -p bin tmp + @curl https://raw.githubusercontent.com/foomo/ownbrew-tap/main/oapi-codegen/oapi-codegen.sh | bash -s -- ${os} ${arch} ${OAPI_CODEGEN_VERSION} + @ln -sf oapi-codegen-${OAPI_CODEGEN_VERSION}-${os}-${arch} bin/oapi-codegen + +## === Utils === + +## Show help text +help: + @awk '{ \ + if ($$0 ~ /^.PHONY: [a-zA-Z\-\_0-9]+$$/) { \ + helpCommand = substr($$0, index($$0, ":") + 2); \ + if (helpMessage) { \ + printf "\033[36m%-23s\033[0m %s\n", \ + helpCommand, helpMessage; \ + helpMessage = ""; \ + } \ + } else if ($$0 ~ /^[a-zA-Z\-\_0-9.]+:/) { \ + helpCommand = substr($$0, 0, index($$0, ":")); \ + if (helpMessage) { \ + printf "\033[36m%-23s\033[0m %s\n", \ + helpCommand, helpMessage"\n"; \ + helpMessage = ""; \ + } \ + } else if ($$0 ~ /^##/) { \ + if (helpMessage) { \ + helpMessage = helpMessage"\n "substr($$0, 3); \ + } else { \ + helpMessage = substr($$0, 3); \ + } \ + } else { \ + if (helpMessage) { \ + print "\n "helpMessage"\n" \ + } \ + helpMessage = ""; \ + } \ + }' \ + $(MAKEFILE_LIST) diff --git a/client/README.md b/client/README.md index a94f15d..1f1e377 100644 --- a/client/README.md +++ b/client/README.md @@ -1,4 +1,4 @@ -Unfortunetly the provided openapi spec is not valid with oapi-codegen. The following error is thrown: +Unfortunately the provided openapi spec is not valid with oapi-codegen. The following error is thrown: ```bash error loading swagger spec in client.yaml diff --git a/client/admin/client_gen.go b/client/admin/client_gen.go index b63be26..2d27094 100644 --- a/client/admin/client_gen.go +++ b/client/admin/client_gen.go @@ -1,6 +1,6 @@ // Package adminclient provides primitives to interact with the openapi HTTP API. // -// Code generated by github.com/deepmap/oapi-codegen version v1.12.4 DO NOT EDIT. +// Code generated by unknown module path version unknown version DO NOT EDIT. package adminclient import ( diff --git a/client/client_gen.go b/client/client_gen.go index 7272349..52c49b1 100644 --- a/client/client_gen.go +++ b/client/client_gen.go @@ -1,6 +1,6 @@ // Package client provides primitives to interact with the openapi HTTP API. // -// Code generated by github.com/deepmap/oapi-codegen version v1.12.4 DO NOT EDIT. +// Code generated by unknown module path version unknown version DO NOT EDIT. package client import (