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* Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net>
426 lines
12 KiB
Go
426 lines
12 KiB
Go
// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package analysis
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import (
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"fmt"
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"reflect"
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"github.com/go-openapi/spec"
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)
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// Mixin modifies the primary swagger spec by adding the paths and
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// definitions from the mixin specs. Top level parameters and
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// responses from the mixins are also carried over. Operation id
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// collisions are avoided by appending "Mixin<N>" but only if
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// needed.
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//
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// The following parts of primary are subject to merge, filling empty details
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// - Info
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// - BasePath
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// - Host
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// - ExternalDocs
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//
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// Consider calling FixEmptyResponseDescriptions() on the modified primary
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// if you read them from storage and they are valid to start with.
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//
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// Entries in "paths", "definitions", "parameters" and "responses" are
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// added to the primary in the order of the given mixins. If the entry
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// already exists in primary it is skipped with a warning message.
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//
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// The count of skipped entries (from collisions) is returned so any
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// deviation from the number expected can flag a warning in your build
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// scripts. Carefully review the collisions before accepting them;
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// consider renaming things if possible.
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//
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// No key normalization takes place (paths, type defs,
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// etc). Ensure they are canonical if your downstream tools do
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// key normalization of any form.
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//
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// Merging schemes (http, https), and consumers/producers do not account for
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// collisions.
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func Mixin(primary *spec.Swagger, mixins ...*spec.Swagger) []string {
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skipped := make([]string, 0, len(mixins))
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opIds := getOpIds(primary)
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initPrimary(primary)
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for i, m := range mixins {
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skipped = append(skipped, mergeSwaggerProps(primary, m)...)
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skipped = append(skipped, mergeConsumes(primary, m)...)
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skipped = append(skipped, mergeProduces(primary, m)...)
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skipped = append(skipped, mergeTags(primary, m)...)
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skipped = append(skipped, mergeSchemes(primary, m)...)
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skipped = append(skipped, mergeSecurityDefinitions(primary, m)...)
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skipped = append(skipped, mergeSecurityRequirements(primary, m)...)
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skipped = append(skipped, mergeDefinitions(primary, m)...)
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// merging paths requires a map of operationIDs to work with
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skipped = append(skipped, mergePaths(primary, m, opIds, i)...)
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skipped = append(skipped, mergeParameters(primary, m)...)
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skipped = append(skipped, mergeResponses(primary, m)...)
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}
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return skipped
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}
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// getOpIds extracts all the paths.<path>.operationIds from the given
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// spec and returns them as the keys in a map with 'true' values.
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func getOpIds(s *spec.Swagger) map[string]bool {
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rv := make(map[string]bool)
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if s.Paths == nil {
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return rv
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}
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for _, v := range s.Paths.Paths {
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piops := pathItemOps(v)
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for _, op := range piops {
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rv[op.ID] = true
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}
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}
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return rv
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}
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func pathItemOps(p spec.PathItem) []*spec.Operation {
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var rv []*spec.Operation
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rv = appendOp(rv, p.Get)
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rv = appendOp(rv, p.Put)
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rv = appendOp(rv, p.Post)
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rv = appendOp(rv, p.Delete)
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rv = appendOp(rv, p.Head)
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rv = appendOp(rv, p.Patch)
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return rv
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}
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func appendOp(ops []*spec.Operation, op *spec.Operation) []*spec.Operation {
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if op == nil {
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return ops
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}
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return append(ops, op)
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}
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func mergeSecurityDefinitions(primary *spec.Swagger, m *spec.Swagger) (skipped []string) {
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for k, v := range m.SecurityDefinitions {
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if _, exists := primary.SecurityDefinitions[k]; exists {
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warn := fmt.Sprintf(
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"SecurityDefinitions entry '%v' already exists in primary or higher priority mixin, skipping\n", k)
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skipped = append(skipped, warn)
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continue
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}
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primary.SecurityDefinitions[k] = v
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}
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return
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}
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func mergeSecurityRequirements(primary *spec.Swagger, m *spec.Swagger) (skipped []string) {
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for _, v := range m.Security {
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found := false
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for _, vv := range primary.Security {
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if reflect.DeepEqual(v, vv) {
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found = true
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break
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}
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}
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if found {
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warn := fmt.Sprintf(
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"Security requirement: '%v' already exists in primary or higher priority mixin, skipping\n", v)
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skipped = append(skipped, warn)
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continue
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}
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primary.Security = append(primary.Security, v)
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}
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return
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}
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func mergeDefinitions(primary *spec.Swagger, m *spec.Swagger) (skipped []string) {
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for k, v := range m.Definitions {
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// assume name collisions represent IDENTICAL type. careful.
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if _, exists := primary.Definitions[k]; exists {
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warn := fmt.Sprintf(
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"definitions entry '%v' already exists in primary or higher priority mixin, skipping\n", k)
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skipped = append(skipped, warn)
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continue
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}
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primary.Definitions[k] = v
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}
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return
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}
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func mergePaths(primary *spec.Swagger, m *spec.Swagger, opIds map[string]bool, mixIndex int) (skipped []string) {
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if m.Paths != nil {
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for k, v := range m.Paths.Paths {
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if _, exists := primary.Paths.Paths[k]; exists {
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warn := fmt.Sprintf(
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"paths entry '%v' already exists in primary or higher priority mixin, skipping\n", k)
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skipped = append(skipped, warn)
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continue
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}
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// Swagger requires that operationIds be
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// unique within a spec. If we find a
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// collision we append "Mixin0" to the
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// operatoinId we are adding, where 0 is mixin
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// index. We assume that operationIds with
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// all the proivded specs are already unique.
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piops := pathItemOps(v)
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for _, piop := range piops {
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if opIds[piop.ID] {
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piop.ID = fmt.Sprintf("%v%v%v", piop.ID, "Mixin", mixIndex)
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}
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opIds[piop.ID] = true
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}
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primary.Paths.Paths[k] = v
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}
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}
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return
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}
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func mergeParameters(primary *spec.Swagger, m *spec.Swagger) (skipped []string) {
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for k, v := range m.Parameters {
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// could try to rename on conflict but would
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// have to fix $refs in the mixin. Complain
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// for now
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if _, exists := primary.Parameters[k]; exists {
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warn := fmt.Sprintf(
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"top level parameters entry '%v' already exists in primary or higher priority mixin, skipping\n", k)
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skipped = append(skipped, warn)
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continue
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}
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primary.Parameters[k] = v
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}
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return
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}
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func mergeResponses(primary *spec.Swagger, m *spec.Swagger) (skipped []string) {
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for k, v := range m.Responses {
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// could try to rename on conflict but would
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// have to fix $refs in the mixin. Complain
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// for now
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if _, exists := primary.Responses[k]; exists {
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warn := fmt.Sprintf(
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"top level responses entry '%v' already exists in primary or higher priority mixin, skipping\n", k)
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skipped = append(skipped, warn)
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continue
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}
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primary.Responses[k] = v
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}
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return skipped
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}
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func mergeConsumes(primary *spec.Swagger, m *spec.Swagger) []string {
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for _, v := range m.Consumes {
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found := false
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for _, vv := range primary.Consumes {
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if v == vv {
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found = true
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break
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}
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}
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if found {
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// no warning here: we just skip it
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continue
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}
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primary.Consumes = append(primary.Consumes, v)
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}
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return []string{}
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}
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func mergeProduces(primary *spec.Swagger, m *spec.Swagger) []string {
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for _, v := range m.Produces {
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found := false
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for _, vv := range primary.Produces {
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if v == vv {
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found = true
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break
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}
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}
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if found {
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// no warning here: we just skip it
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continue
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}
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primary.Produces = append(primary.Produces, v)
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}
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return []string{}
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}
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func mergeTags(primary *spec.Swagger, m *spec.Swagger) (skipped []string) {
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for _, v := range m.Tags {
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found := false
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for _, vv := range primary.Tags {
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if v.Name == vv.Name {
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found = true
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break
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}
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}
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if found {
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warn := fmt.Sprintf(
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"top level tags entry with name '%v' already exists in primary or higher priority mixin, skipping\n", v.Name)
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skipped = append(skipped, warn)
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continue
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}
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primary.Tags = append(primary.Tags, v)
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}
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return
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}
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func mergeSchemes(primary *spec.Swagger, m *spec.Swagger) []string {
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for _, v := range m.Schemes {
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found := false
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for _, vv := range primary.Schemes {
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if v == vv {
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found = true
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break
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}
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}
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if found {
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// no warning here: we just skip it
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continue
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}
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primary.Schemes = append(primary.Schemes, v)
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}
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return []string{}
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}
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func mergeSwaggerProps(primary *spec.Swagger, m *spec.Swagger) []string {
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var skipped []string
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primary.Extensions, skipped = mergeExtensions(primary.Extensions, m.Extensions)
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// merging details in swagger top properties
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if primary.Host == "" {
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primary.Host = m.Host
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}
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if primary.BasePath == "" {
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primary.BasePath = m.BasePath
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}
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if primary.Info == nil {
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primary.Info = m.Info
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} else if m.Info != nil {
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var sk []string
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primary.Info.Extensions, sk = mergeExtensions(primary.Info.Extensions, m.Info.Extensions)
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skipped = append(skipped, sk...)
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if primary.Info.Description == "" {
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primary.Info.Description = m.Info.Description
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}
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if primary.Info.Title == "" {
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primary.Info.Description = m.Info.Description
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}
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if primary.Info.TermsOfService == "" {
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primary.Info.TermsOfService = m.Info.TermsOfService
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}
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if primary.Info.Version == "" {
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primary.Info.Version = m.Info.Version
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}
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if primary.Info.Contact == nil {
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primary.Info.Contact = m.Info.Contact
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} else if m.Info.Contact != nil {
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if primary.Info.Contact.Name == "" {
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primary.Info.Contact.Name = m.Info.Contact.Name
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}
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if primary.Info.Contact.URL == "" {
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primary.Info.Contact.URL = m.Info.Contact.URL
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}
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if primary.Info.Contact.Email == "" {
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primary.Info.Contact.Email = m.Info.Contact.Email
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}
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}
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if primary.Info.License == nil {
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primary.Info.License = m.Info.License
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} else if m.Info.License != nil {
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if primary.Info.License.Name == "" {
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primary.Info.License.Name = m.Info.License.Name
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}
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if primary.Info.License.URL == "" {
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primary.Info.License.URL = m.Info.License.URL
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}
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}
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}
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if primary.ExternalDocs == nil {
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primary.ExternalDocs = m.ExternalDocs
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} else if m.ExternalDocs != nil {
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if primary.ExternalDocs.Description == "" {
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primary.ExternalDocs.Description = m.ExternalDocs.Description
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}
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if primary.ExternalDocs.URL == "" {
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primary.ExternalDocs.URL = m.ExternalDocs.URL
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}
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}
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return skipped
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}
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func mergeExtensions(primary spec.Extensions, m spec.Extensions) (result spec.Extensions, skipped []string) {
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if primary == nil {
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result = m
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return
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}
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if m == nil {
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result = primary
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return
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}
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result = primary
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for k, v := range m {
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if _, found := primary[k]; found {
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skipped = append(skipped, k)
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continue
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}
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primary[k] = v
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}
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return
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}
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func initPrimary(primary *spec.Swagger) {
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if primary.SecurityDefinitions == nil {
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primary.SecurityDefinitions = make(map[string]*spec.SecurityScheme)
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}
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if primary.Security == nil {
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primary.Security = make([]map[string][]string, 0, 10)
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}
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if primary.Produces == nil {
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primary.Produces = make([]string, 0, 10)
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}
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if primary.Consumes == nil {
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primary.Consumes = make([]string, 0, 10)
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}
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if primary.Tags == nil {
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primary.Tags = make([]spec.Tag, 0, 10)
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}
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if primary.Schemes == nil {
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primary.Schemes = make([]string, 0, 10)
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}
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if primary.Paths == nil {
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primary.Paths = &spec.Paths{Paths: make(map[string]spec.PathItem)}
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}
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if primary.Paths.Paths == nil {
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primary.Paths.Paths = make(map[string]spec.PathItem)
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}
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if primary.Definitions == nil {
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primary.Definitions = make(spec.Definitions)
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}
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if primary.Parameters == nil {
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primary.Parameters = make(map[string]spec.Parameter)
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}
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if primary.Responses == nil {
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primary.Responses = make(map[string]spec.Response)
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}
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}
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