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port python cataloger to new generic cataloger pattern (#1319)

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Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
This commit is contained in:
Alex Goodman
2022-11-04 08:59:03 -04:00
committed by GitHub
parent 2deb96a801
commit 1076281566
19 changed files with 381 additions and 460 deletions
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syft/pkg/cataloger/python/parse_setup.go
+16 -12
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@@ -2,27 +2,28 @@ package python
import (
"bufio"
"io"
"regexp"
"strings"
"github.com/anchore/syft/internal/log"
"github.com/anchore/syft/syft/artifact"
"github.com/anchore/syft/syft/pkg"
"github.com/anchore/syft/syft/pkg/cataloger/common"
"github.com/anchore/syft/syft/pkg/cataloger/generic"
"github.com/anchore/syft/syft/source"
)
// integrity check
var _ common.ParserFn = parseSetup
var _ generic.Parser = parseSetup
// match examples:
//
// 'pathlib3==2.2.0;python_version<"3.6"' --> match(name=pathlib3 version=2.2.0)
// "mypy==v0.770", --> match(name=mypy version=v0.770)
// " mypy2 == v0.770", ' mypy3== v0.770', --> match(name=mypy2 version=v0.770), match(name=mypy3, version=v0.770)
var pinnedDependency = regexp.MustCompile(`['"]\W?(\w+\W?==\W?[\w\.]*)`)
var pinnedDependency = regexp.MustCompile(`['"]\W?(\w+\W?==\W?[\w.]*)`)
func parseSetup(_ string, reader io.Reader) ([]*pkg.Package, []artifact.Relationship, error) {
packages := make([]*pkg.Package, 0)
func parseSetup(_ source.FileResolver, _ *generic.Environment, reader source.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
var packages []pkg.Package
scanner := bufio.NewScanner(reader)
@@ -37,14 +38,17 @@ func parseSetup(_ string, reader io.Reader) ([]*pkg.Package, []artifact.Relation
}
name := strings.Trim(parts[0], "'\"")
name = strings.TrimSpace(name)
name = strings.Trim(name, "'\"")
version := strings.TrimSpace(parts[len(parts)-1])
packages = append(packages, &pkg.Package{
Name: strings.Trim(name, "'\""),
Version: strings.Trim(version, "'\""),
Language: pkg.Python,
Type: pkg.PythonPkg,
})
version = strings.Trim(version, "'\"")
if name == "" || version == "" {
log.WithFields("path", reader.RealPath).Warnf("unable to parse package in setup.py line: %q", line)
continue
}
packages = append(packages, newPackageForIndex(name, version, reader.Location))
}
}