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quay/config_app/config_endpoints/common.py
Sam Chow d080ca2cc6 Create webpack config for config app
further improve developer morale

get initial angular loading

Add remote css to config index

Starts work to port endpoints into config app

Add the api blueprint
2018-06-12 14:44:15 -04:00

305 lines
11 KiB
Python

import logging
import os
import re
import sys
from collections import OrderedDict
from cachetools import lru_cache
from flask import make_response, render_template
from flask_restful import reqparse
from config_app.config_endpoints.api import method_metadata
from config_app.app import app
def truthy_bool(param):
return param not in {False, 'false', 'False', '0', 'FALSE', '', 'null'}
DEFAULT_JS_BUNDLE_NAME = 'configapp'
PARAM_REGEX = re.compile(r'<([^:>]+:)*([\w]+)>')
logger = logging.getLogger(__name__)
TYPE_CONVERTER = {
truthy_bool: 'boolean',
str: 'string',
basestring: 'string',
reqparse.text_type: 'string',
int: 'integer',
}
def _list_files(path, extension, contains=""):
""" Returns a list of all the files with the given extension found under the given path. """
def matches(f):
return os.path.splitext(f)[1] == '.' + extension and contains in os.path.splitext(f)[0]
def join_path(dp, f):
# Remove the static/ prefix. It is added in the template.
return os.path.join(dp, f)[len('static/'):]
filepath = os.path.join('static/', path)
return [join_path(dp, f) for dp, _, files in os.walk(filepath) for f in files if matches(f)]
def render_page_template(name, route_data=None, js_bundle_name=DEFAULT_JS_BUNDLE_NAME, **kwargs):
""" Renders the page template with the given name as the response and returns its contents. """
main_scripts = _list_files('build', 'js', js_bundle_name)
contents = render_template(name,
route_data=route_data,
main_scripts=main_scripts,
**kwargs)
resp = make_response(contents)
resp.headers['X-FRAME-OPTIONS'] = 'DENY'
return resp
def fully_qualified_name(method_view_class):
return '%s.%s' % (method_view_class.__module__, method_view_class.__name__)
# @lru_cache(maxsize=1)
def generate_route_data():
include_internal = True
compact = True
def swagger_parameter(name, description, kind='path', param_type='string', required=True,
enum=None, schema=None):
# https://github.com/swagger-api/swagger-spec/blob/master/versions/2.0.md#parameterObject
parameter_info = {
'name': name,
'in': kind,
'required': required
}
if schema:
parameter_info['schema'] = {
'$ref': '#/definitions/%s' % schema
}
else:
parameter_info['type'] = param_type
if enum is not None and len(list(enum)) > 0:
parameter_info['enum'] = list(enum)
return parameter_info
paths = {}
models = {}
tags = []
tags_added = set()
operation_ids = set()
print('APP URL MAp:')
print(app.url_map)
for rule in app.url_map.iter_rules():
endpoint_method = app.view_functions[rule.endpoint]
# Verify that we have a view class for this API method.
if not 'view_class' in dir(endpoint_method):
continue
view_class = endpoint_method.view_class
# Hide the class if it is internal.
internal = method_metadata(view_class, 'internal')
if not include_internal and internal:
continue
# Build the tag.
parts = fully_qualified_name(view_class).split('.')
tag_name = parts[-2]
if not tag_name in tags_added:
tags_added.add(tag_name)
tags.append({
'name': tag_name,
'description': (sys.modules[view_class.__module__].__doc__ or '').strip()
})
# Build the Swagger data for the path.
swagger_path = PARAM_REGEX.sub(r'{\2}', rule.rule)
full_name = fully_qualified_name(view_class)
path_swagger = {
'x-name': full_name,
'x-path': swagger_path,
'x-tag': tag_name
}
related_user_res = method_metadata(view_class, 'related_user_resource')
if related_user_res is not None:
path_swagger['x-user-related'] = fully_qualified_name(related_user_res)
paths[swagger_path] = path_swagger
# Add any global path parameters.
param_data_map = view_class.__api_path_params if '__api_path_params' in dir(view_class) else {}
if param_data_map:
path_parameters_swagger = []
for path_parameter in param_data_map:
description = param_data_map[path_parameter].get('description')
path_parameters_swagger.append(swagger_parameter(path_parameter, description))
path_swagger['parameters'] = path_parameters_swagger
# Add the individual HTTP operations.
method_names = list(rule.methods.difference(['HEAD', 'OPTIONS']))
for method_name in method_names:
# https://github.com/swagger-api/swagger-spec/blob/master/versions/2.0.md#operation-object
method = getattr(view_class, method_name.lower(), None)
if method is None:
logger.debug('Unable to find method for %s in class %s', method_name, view_class)
continue
operationId = method_metadata(method, 'nickname')
operation_swagger = {
'operationId': operationId,
'parameters': [],
}
if operationId is None:
continue
if operationId in operation_ids:
raise Exception('Duplicate operation Id: %s' % operationId)
operation_ids.add(operationId)
# Mark the method as internal.
internal = method_metadata(method, 'internal')
if internal is not None:
operation_swagger['x-internal'] = True
if include_internal:
requires_fresh_login = method_metadata(method, 'requires_fresh_login')
if requires_fresh_login is not None:
operation_swagger['x-requires-fresh-login'] = True
# Add the path parameters.
if rule.arguments:
for path_parameter in rule.arguments:
description = param_data_map.get(path_parameter, {}).get('description')
operation_swagger['parameters'].append(swagger_parameter(path_parameter, description))
# Add the query parameters.
if '__api_query_params' in dir(method):
for query_parameter_info in method.__api_query_params:
name = query_parameter_info['name']
description = query_parameter_info['help']
param_type = TYPE_CONVERTER[query_parameter_info['type']]
required = query_parameter_info['required']
operation_swagger['parameters'].append(
swagger_parameter(name, description, kind='query',
param_type=param_type,
required=required,
enum=query_parameter_info['choices']))
# Add the OAuth security block.
# https://github.com/swagger-api/swagger-spec/blob/master/versions/2.0.md#securityRequirementObject
scope = method_metadata(method, 'oauth2_scope')
if scope and not compact:
operation_swagger['security'] = [{'oauth2_implicit': [scope.scope]}]
# Add the responses block.
# https://github.com/swagger-api/swagger-spec/blob/master/versions/2.0.md#responsesObject
response_schema_name = method_metadata(method, 'response_schema')
if not compact:
if response_schema_name:
models[response_schema_name] = view_class.schemas[response_schema_name]
models['ApiError'] = {
'type': 'object',
'properties': {
'status': {
'type': 'integer',
'description': 'Status code of the response.'
},
'type': {
'type': 'string',
'description': 'Reference to the type of the error.'
},
'detail': {
'type': 'string',
'description': 'Details about the specific instance of the error.'
},
'title': {
'type': 'string',
'description': 'Unique error code to identify the type of error.'
},
'error_message': {
'type': 'string',
'description': 'Deprecated; alias for detail'
},
'error_type': {
'type': 'string',
'description': 'Deprecated; alias for detail'
}
},
'required': [
'status',
'type',
'title',
]
}
responses = {
'400': {
'description': 'Bad Request',
},
'401': {
'description': 'Session required',
},
'403': {
'description': 'Unauthorized access',
},
'404': {
'description': 'Not found',
},
}
for _, body in responses.items():
body['schema'] = {'$ref': '#/definitions/ApiError'}
if method_name == 'DELETE':
responses['204'] = {
'description': 'Deleted'
}
elif method_name == 'POST':
responses['201'] = {
'description': 'Successful creation'
}
else:
responses['200'] = {
'description': 'Successful invocation'
}
if response_schema_name:
responses['200']['schema'] = {
'$ref': '#/definitions/%s' % response_schema_name
}
operation_swagger['responses'] = responses
# Add the request block.
request_schema_name = method_metadata(method, 'request_schema')
if request_schema_name and not compact:
models[request_schema_name] = view_class.schemas[request_schema_name]
operation_swagger['parameters'].append(
swagger_parameter('body', 'Request body contents.', kind='body',
schema=request_schema_name))
# Add the operation to the parent path.
if not internal or (internal and include_internal):
path_swagger[method_name.lower()] = operation_swagger
tags.sort(key=lambda t: t['name'])
paths = OrderedDict(sorted(paths.items(), key=lambda p: p[1]['x-tag']))
if compact:
return {'paths': paths}