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unkinben 7b13644421
ci/woodpecker/tag/docker Pipeline was successful
feat: virtual PyPI repos can merge local + remote members (#51)
## Summary
- Virtual engine detects local members and generates indexes in-memory
- MemberIndex.RepoType drives correct URL prefix in merged output
- PyPI merger rewrites links to /api/v1/local/ or /api/v1/remote/ appropriately
- Includes local PyPI support (cherry-picked from #50)

## Test plan
- [x] Upload wheel to local PyPI → install from direct local URL
- [x] Create virtual with local + remote → install from virtual URL
- [x] Both paths produce correct absolute download URLs

Reviewed-on: #51
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>
2026-06-23 22:20:05 +10:00

95 lines
1.8 KiB
Go

package virtual
import (
"fmt"
"sort"
"strings"
"git.unkin.net/unkin/artifactapi/pkg/models"
)
func init() {
RegisterMerger(models.PackagePyPI, &PyPIMerger{})
}
type PyPIMerger struct{}
func (m *PyPIMerger) MergeIndexes(members []MemberIndex, proxyBaseURL string) ([]byte, error) {
links := map[string]string{}
for _, member := range members {
body := string(member.Body)
for _, line := range strings.Split(body, "\n") {
line = strings.TrimSpace(line)
if !strings.HasPrefix(line, "<a ") {
continue
}
href := extractHref(line)
text := extractLinkText(line)
if text == "" {
continue
}
if _, exists := links[text]; exists {
continue
}
if proxyBaseURL != "" && href != "" {
routePrefix := "remote"
if member.RepoType == "local" {
routePrefix = "local"
}
href = fmt.Sprintf("%s/api/v1/%s/%s/%s",
strings.TrimRight(proxyBaseURL, "/"),
routePrefix,
member.RemoteName,
strings.TrimLeft(href, "/"))
}
links[text] = href
}
}
keys := make([]string, 0, len(links))
for k := range links {
keys = append(keys, k)
}
sort.Strings(keys)
var sb strings.Builder
sb.WriteString("<!DOCTYPE html>\n<html><body>\n")
for _, name := range keys {
sb.WriteString(fmt.Sprintf(" <a href=\"%s\">%s</a>\n", links[name], name))
}
sb.WriteString("</body></html>\n")
return []byte(sb.String()), nil
}
func extractHref(tag string) string {
idx := strings.Index(tag, `href="`)
if idx == -1 {
return ""
}
rest := tag[idx+6:]
end := strings.Index(rest, `"`)
if end == -1 {
return rest
}
return rest[:end]
}
func extractLinkText(tag string) string {
start := strings.Index(tag, ">")
if start == -1 {
return ""
}
rest := tag[start+1:]
end := strings.Index(rest, "</a>")
if end == -1 {
return strings.TrimSpace(rest)
}
return strings.TrimSpace(rest[:end])
}