func()

in gazelle/configure.go [65:150]
77 lines of code
25 McCabe index (conditional complexity)

func (py *Configurer) Configure(c *config.Config, rel string, f *rule.File) {
	// Create the root config.
	if _, exists := c.Exts[languageName]; !exists {
		rootConfig := pythonconfig.New(c.RepoRoot, "")
		c.Exts[languageName] = pythonconfig.Configs{"": rootConfig}
	}

	configs := c.Exts[languageName].(pythonconfig.Configs)

	config, exists := configs[rel]
	if !exists {
		parent := configs.ParentForPackage(rel)
		config = parent.NewChild()
		configs[rel] = config
	}

	if f == nil {
		return
	}

	gazelleManifestFilename := "gazelle_python.yaml"

	for _, d := range f.Directives {
		switch d.Key {
		case "exclude":
			// We record the exclude directive for coarse-grained packages
			// since we do manual tree traversal in this mode.
			config.AddExcludedPattern(strings.TrimSpace(d.Value))
		case pythonconfig.PythonExtensionDirective:
			switch d.Value {
			case "enabled":
				config.SetExtensionEnabled(true)
			case "disabled":
				config.SetExtensionEnabled(false)
			default:
				err := fmt.Errorf("invalid value for directive %q: %s: possible values are enabled/disabled",
					pythonconfig.PythonExtensionDirective, d.Value)
				log.Fatal(err)
			}
		case pythonconfig.PythonRootDirective:
			config.SetPythonProjectRoot(rel)
		case pythonconfig.PythonManifestFileNameDirective:
			gazelleManifestFilename = strings.TrimSpace(d.Value)
		case pythonconfig.IgnoreFilesDirective:
			for _, ignoreFile := range strings.Split(d.Value, ",") {
				config.AddIgnoreFile(ignoreFile)
			}
		case pythonconfig.IgnoreDependenciesDirective:
			for _, ignoreDependency := range strings.Split(d.Value, ",") {
				config.AddIgnoreDependency(ignoreDependency)
			}
		case pythonconfig.ValidateImportStatementsDirective:
			v, err := strconv.ParseBool(strings.TrimSpace(d.Value))
			if err != nil {
				log.Fatal(err)
			}
			config.SetValidateImportStatements(v)
		case pythonconfig.GenerationMode:
			switch pythonconfig.GenerationModeType(strings.TrimSpace(d.Value)) {
			case pythonconfig.GenerationModePackage:
				config.SetCoarseGrainedGeneration(false)
			case pythonconfig.GenerationModeProject:
				config.SetCoarseGrainedGeneration(true)
			default:
				err := fmt.Errorf("invalid value for directive %q: %s",
					pythonconfig.GenerationMode, d.Value)
				log.Fatal(err)
			}
		case pythonconfig.LibraryNamingConvention:
			config.SetLibraryNamingConvention(strings.TrimSpace(d.Value))
		case pythonconfig.BinaryNamingConvention:
			config.SetBinaryNamingConvention(strings.TrimSpace(d.Value))
		case pythonconfig.TestNamingConvention:
			config.SetTestNamingConvention(strings.TrimSpace(d.Value))
		}
	}

	gazelleManifestPath := filepath.Join(c.RepoRoot, rel, gazelleManifestFilename)
	gazelleManifest, err := py.loadGazelleManifest(gazelleManifestPath)
	if err != nil {
		log.Fatal(err)
	}
	if gazelleManifest != nil {
		config.SetGazelleManifest(gazelleManifest)
	}
}