plumb context through catalogers (#2528)

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

syft/pkg/cataloger/python/cataloger_test.go

@@ -1,6 +1,7 @@
 package python
 
 import (
+	"context"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -296,7 +297,7 @@ func Test_PackageCataloger_IgnorePackage(t *testing.T) {
 		t.Run(test.MetadataFixture, func(t *testing.T) {
 			resolver := file.NewMockResolverForPaths(test.MetadataFixture)
 
-			actual, _, err := NewInstalledPackageCataloger().Catalog(resolver)
+			actual, _, err := NewInstalledPackageCataloger().Catalog(context.Background(), resolver)
 			require.NoError(t, err)
 
 			if len(actual) != 0 {

syft/pkg/cataloger/python/parse_pipfile_lock.go

@@ -1,6 +1,7 @@
 package python
 
 import (
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -41,7 +42,7 @@ type Dependency struct {
 var _ generic.Parser = parsePipfileLock
 
 // parsePipfileLock is a parser function for Pipfile.lock contents, returning "Default" python packages discovered.
-func parsePipfileLock(_ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
+func parsePipfileLock(_ context.Context, _ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
 	pkgs := make([]pkg.Package, 0)
 	dec := json.NewDecoder(reader)
 

syft/pkg/cataloger/python/parse_poetry_lock.go

@@ -1,6 +1,7 @@
 package python
 
 import (
+	"context"
 	"fmt"
 
 	"github.com/pelletier/go-toml"
@@ -25,7 +26,7 @@ type poetryMetadata struct {
 }
 
 // parsePoetryLock is a parser function for poetry.lock contents, returning all python packages discovered.
-func parsePoetryLock(_ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
+func parsePoetryLock(_ context.Context, _ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
 	tree, err := toml.LoadReader(reader)
 	if err != nil {
 		return nil, nil, fmt.Errorf("unable to load poetry.lock for parsing: %w", err)

syft/pkg/cataloger/python/parse_requirements.go

@@ -2,6 +2,7 @@ package python
 
 import (
 	"bufio"
+	"context"
 	"fmt"
 	"regexp"
 	"strings"
@@ -92,7 +93,7 @@ func newRequirementsParser(cfg CatalogerConfig) requirementsParser {
 
 // parseRequirementsTxt takes a Python requirements.txt file, returning all Python packages that are locked to a
 // specific version.
-func (rp requirementsParser) parseRequirementsTxt(_ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
+func (rp requirementsParser) parseRequirementsTxt(_ context.Context, _ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
 	var packages []pkg.Package
 
 	scanner := bufio.NewScanner(reader)

syft/pkg/cataloger/python/parse_setup.go

@@ -2,6 +2,7 @@ package python
 
 import (
 	"bufio"
+	"context"
 	"regexp"
 	"strings"
 
@@ -22,7 +23,7 @@ var _ generic.Parser = parseSetup
 //	" 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.]*)`)
 
-func parseSetup(_ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
+func parseSetup(_ context.Context, _ file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
 	var packages []pkg.Package
 
 	scanner := bufio.NewScanner(reader)

syft/pkg/cataloger/python/parse_wheel_egg.go

@@ -2,6 +2,7 @@ package python
 
 import (
 	"bufio"
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -17,7 +18,7 @@ import (
 
 // parseWheelOrEgg takes the primary metadata file reference and returns the python package it represents. Contained
 // fields are governed by the PyPA core metadata specification (https://packaging.python.org/en/latest/specifications/core-metadata/).
-func parseWheelOrEgg(resolver file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
+func parseWheelOrEgg(_ context.Context, resolver file.Resolver, _ *generic.Environment, reader file.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) {
 	pd, sources, err := assembleEggOrWheelMetadata(resolver, reader.Location)
 	if err != nil {
 		return nil, nil, err