Use the pypi API to fetch information about pip modules
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4218912123
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1
gen.go
1
gen.go
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@ -33,7 +33,6 @@ var genPipCmd = &cli.Command{
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&cli.StringFlag{
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Name: "description",
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Aliases: []string{"d"},
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Value: "A Python Pip module",
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},
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},
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Action: func(c *cli.Context) error {
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@ -2,10 +2,11 @@ package gen
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import (
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_ "embed"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"path"
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"text/template"
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)
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@ -18,6 +19,34 @@ type PipOptions struct {
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Description string
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}
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type pypiAPIResponse struct {
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Info pypiInfo `json:"info"`
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URLs []pypiURL `json:"urls"`
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}
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func (res pypiAPIResponse) SourceURL() (pypiURL, error) {
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for _, url := range res.URLs {
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if url.PackageType == "sdist" {
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return url, nil
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}
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}
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return pypiURL{}, errors.New("package doesn't have a source distribution")
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}
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type pypiInfo struct {
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Name string `json:"name"`
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Version string `json:"version"`
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Summary string `json:"summary"`
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Homepage string `json:"home_page"`
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License string `json:"license"`
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}
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type pypiURL struct {
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Digests map[string]string `json:"digests"`
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Filename string `json:"filename"`
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PackageType string `json:"packagetype"`
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}
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func Pip(w io.Writer, opts PipOptions) error {
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tmpl, err := template.New("pip").
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Funcs(funcs).
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@ -26,35 +55,30 @@ func Pip(w io.Writer, opts PipOptions) error {
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return err
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}
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params := map[string]any{
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"name": opts.Name,
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"version": opts.Version,
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"description": opts.Description,
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}
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url := fmt.Sprintf(
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"https://files.pythonhosted.org/packages/source/%s/%s/%s-%s.tar.gz",
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opts.Name[:1],
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opts.Name,
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"https://pypi.org/pypi/%s/%s/json",
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opts.Name,
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opts.Version,
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)
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res, err := http.Head(url)
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res, err := http.Get(url)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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if res.StatusCode != 200 {
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return fmt.Errorf("pip: %s", res.Status)
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return fmt.Errorf("pypi: %s", res.Status)
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}
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dir := path.Dir(res.Request.URL.Path)
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checksum := path.Base(dir)
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dir = path.Dir(dir)
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checksum = path.Base(dir) + checksum
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dir = path.Dir(dir)
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checksum = path.Base(dir) + checksum
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params["checksum"] = "blake2b-256:" + checksum
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var resp pypiAPIResponse
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err = json.NewDecoder(res.Body).Decode(&resp)
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if err != nil {
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return err
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}
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return tmpl.Execute(w, params)
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if opts.Description != "" {
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resp.Info.Summary = opts.Description
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}
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return tmpl.Execute(w, resp)
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}
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@ -1,13 +1,13 @@
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name='{{.name | tolower}}'
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version='{{.version}}'
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name='{{.Info.Name | tolower}}'
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version='{{.Info.Version}}'
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release='1'
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desc='{{.description}}'
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homepage='https://pypi.org/project/{{.name}}/'
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desc='{{.Info.Summary}}'
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homepage='{{.Info.Homepage}}'
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maintainer='Example <user@example.com>'
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architectures=('all')
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license=('custom:Unknown')
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provides=('{{.name | tolower}}')
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conflicts=('{{.name | tolower}}')
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license=('{{if .Info.License | ne ""}}{{.Info.License}}{{else}}custom:Unknown{{end}}')
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provides=('{{.Info.Name | tolower}}')
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conflicts=('{{.Info.Name | tolower}}')
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deps=("python3")
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deps_arch=("python")
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@ -17,15 +17,15 @@ build_deps=("python3" "python3-setuptools")
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build_deps_arch=("python" "python-setuptools")
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build_deps_alpine=("python3" "py3-setuptools")
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sources=("https://files.pythonhosted.org/packages/source/{{.name | firstchar}}/{{.name}}/{{.name}}-${version}.tar.gz")
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checksums=('{{.checksum}}')
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sources=("https://files.pythonhosted.org/packages/source/{{.SourceURL.Filename | firstchar}}/{{.Info.Name}}/{{.SourceURL.Filename}}")
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checksums=('blake2b-256:{{.SourceURL.Digests.blake2b_256}}')
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build() {
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cd "$srcdir/{{.name}}-${version}"
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cd "$srcdir/{{.Info.Name}}-${version}"
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python3 setup.py build
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}
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package() {
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cd "$srcdir/{{.name}}-${version}"
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cd "$srcdir/{{.Info.Name}}-${version}"
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python3 setup.py install --root="${pkgdir}/" --optimize=1 || return 1
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}
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