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from __future__ import absolute_import, division, print_function 

 

import json 

from base64 import b64decode 

 

from flask import Blueprint, current_app, jsonify, request 

 

import appr.api.impl.registry 

from appr.api.app import getvalues, repo_name 

from appr.exception import ( 

ApprException, ChannelNotFound, InvalidParams, InvalidRelease, InvalidUsage, 

PackageAlreadyExists, PackageNotFound, PackageReleaseNotFound, UnableToLockResource, 

UnauthorizedAccess, Unsupported) 

from appr.models import DEFAULT_MEDIA_TYPE, Blob, Channel, Package 

 

registry_app = Blueprint( 

'registry', 

__name__, ) 

 

 

@registry_app.errorhandler(Unsupported) 

@registry_app.errorhandler(PackageAlreadyExists) 

@registry_app.errorhandler(InvalidRelease) 

@registry_app.errorhandler(UnableToLockResource) 

@registry_app.errorhandler(UnauthorizedAccess) 

@registry_app.errorhandler(PackageNotFound) 

@registry_app.errorhandler(PackageReleaseNotFound) 

@registry_app.errorhandler(ApprException) 

@registry_app.errorhandler(InvalidUsage) 

@registry_app.errorhandler(InvalidParams) 

@registry_app.errorhandler(ChannelNotFound) 

def render_error(error): 

response = jsonify(error.to_dict()) 

response.status_code = error.status_code 

return response 

 

 

@registry_app.before_request 

def pre_request_logging(): 

jsonbody = request.get_json(force=True, silent=True) 

values = request.values.to_dict() 

if jsonbody: 

values.update(jsonbody) 

 

current_app.logger.info("request", extra={ 

"remote_addr": request.remote_addr, 

"http_method": request.method, 

"original_url": request.url, 

"path": request.path, 

"data": values, 

"headers": dict(request.headers.to_list())}) 

 

 

@registry_app.route("/test_error") 

def test_error(): 

raise InvalidUsage("error message", {"path": request.path}) 

 

 

def _pull(data, json_format=True): 

if json_format: 

resp = jsonify(data) 

else: 

resp = current_app.make_response(b64decode(data['blob'])) 

resp.headers['Content-Disposition'] = data['filename'] 

resp.mimetype = 'application/x-gzip' 

return resp 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/blobs/sha256/<string:digest>", 

methods=['GET'], strict_slashes=False) 

def blobs(namespace, package_name, digest): 

reponame = repo_name(namespace, package_name) 

data = appr.api.impl.registry.pull_blob(reponame, digest, blob_class=Blob) 

json_format = request.args.get('format', None) == 'json' 

return _pull(data, json_format=json_format) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/blobs/sha256/<string:digest>/json", 

methods=['GET'], strict_slashes=False) 

def blobs_json(namespace, package_name, digest): 

reponame = repo_name(namespace, package_name) 

data = appr.api.impl.registry.pull_blob(reponame, digest, blob_class=Blob) 

return _pull(data, json_format=True) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/<string:release>/<string:media_type>/pull", 

methods=['GET'], strict_slashes=False) 

def pull(namespace, package_name, release, media_type): 

reponame = repo_name(namespace, package_name) 

data = appr.api.impl.registry.pull(reponame, release, media_type, Package, blob_class=Blob) 

json_format = request.args.get('format', None) == 'json' 

return _pull(data, json_format=json_format) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/<string:release>/<string:media_type>/pull/json", 

methods=['GET'], strict_slashes=False) 

def pull_json(namespace, package_name, release, media_type): 

reponame = repo_name(namespace, package_name) 

data = appr.api.impl.registry.pull(reponame, release, media_type, Package, blob_class=Blob) 

return _pull(data, json_format=True) 

 

 

@registry_app.route("/api/v1/packages/<string:namespace>/<string:package_name>", methods=['POST'], 

strict_slashes=False) 

def push(namespace, package_name): 

reponame = repo_name(namespace, package_name) 

values = getvalues() 

release = values['release'] 

media_type = values.get('media_type', DEFAULT_MEDIA_TYPE) 

force = (values.get('force', 'false') == 'true') 

metadata = values.get('metadata', None) 

blob = Blob(reponame, values['blob']) 

result = appr.api.impl.registry.push(reponame, release, media_type, blob, force, Package, 

metadata=metadata) 

return jsonify(result) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/<string:release>/<string:media_type>", 

methods=['DELETE'], strict_slashes=False) 

def delete_package(namespace, package_name, release, media_type): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.delete_package(reponame, release, media_type, 

package_class=Package) 

return jsonify(result) 

 

 

@registry_app.route("/api/v1/packages", methods=['GET'], strict_slashes=False) 

def list_packages(): 

values = getvalues() 

namespace = values.get('namespace', None) 

result = appr.api.impl.registry.list_packages(namespace, Package, search=values.get( 

'query', None), media_type=values.get('media_type', None)) 

resp = current_app.make_response(json.dumps(result)) 

resp.mimetype = 'application/json' 

return resp 

 

 

@registry_app.route("/api/v1/packages/search", methods=['GET'], strict_slashes=False) 

def search_packages(): 

values = getvalues() 

query = values.get("q") 

result = appr.api.impl.registry.search(query, Package) 

return jsonify(result) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/<string:release>/<string:media_type>", 

methods=['GET'], strict_slashes=False) 

def show_package(namespace, package_name, release, media_type): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.show_package(reponame, release, media_type, 

channel_class=Channel, package_class=Package) 

return jsonify(result) 

 

 

@registry_app.route("/api/v1/packages/<string:namespace>/<string:package_name>", methods=['GET'], 

strict_slashes=False) 

def show_package_releases(namespace, package_name): 

reponame = repo_name(namespace, package_name) 

media_type = getvalues().get('media_type', None) 

result = appr.api.impl.registry.show_package_releases(reponame, media_type=media_type, 

package_class=Package) 

return jsonify(result) 

 

 

@registry_app.route("/api/v1/packages/<string:namespace>/<string:package_name>/<string:release>", 

methods=['GET'], strict_slashes=False) 

def show_package_release_manifests(namespace, package_name, release): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.show_package_manifests(reponame, release, 

package_class=Package) 

return jsonify(result) 

 

 

# CHANNELS 

@registry_app.route("/api/v1/packages/<string:namespace>/<string:package_name>/channels", methods=[ 

'GET'], strict_slashes=False) 

def list_channels(namespace, package_name): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.list_channels(reponame, Channel) 

resp = current_app.make_response(json.dumps(result)) 

resp.mimetype = 'application/json' 

return resp 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/channels/<string:channel_name>", 

methods=['GET'], strict_slashes=False) 

def show_channel(namespace, package_name, channel_name): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.show_channel(reponame, channel_name, Channel) 

return jsonify(result) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/channels/<string:channel_name>/<string:release>", 

methods=['POST'], strict_slashes=False) 

def add_channel_release(namespace, package_name, channel_name, release): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.add_channel_release( 

reponame, channel_name, release, channel_class=Channel, package_class=Package) 

return jsonify(result) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/channels/<string:channel_name>/<string:release>", 

methods=['DELETE'], strict_slashes=False) 

def delete_channel_release(namespace, package_name, channel_name, release): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.delete_channel_release( 

reponame, channel_name, release, channel_class=Channel, package_class=Package) 

return jsonify(result) 

 

 

@registry_app.route( 

"/api/v1/packages/<string:namespace>/<string:package_name>/channels/<string:channel_name>", 

methods=['DELETE'], strict_slashes=False) 

def delete_channel(namespace, package_name, channel_name): 

reponame = repo_name(namespace, package_name) 

result = appr.api.impl.registry.delete_channel(reponame, channel_name, channel_class=Channel) 

return jsonify(result)