/
blueprint.py
115 lines (85 loc) · 3.95 KB
/
blueprint.py
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from os.path import abspath, dirname, realpath
from sanic.blueprints import Blueprint
from sanic.response import json, redirect
from ..utils import get_all_routes, get_blueprinted_routes
from . import operations, specification
DEFAULT_SWAGGER_UI_CONFIG = {"apisSorter": "alpha", "operationsSorter": "alpha"}
def blueprint_factory():
oas3_blueprint = Blueprint("openapi", url_prefix="/swagger")
dir_path = dirname(dirname(realpath(__file__)))
dir_path = abspath(dir_path + "/ui")
oas3_blueprint.static("/", dir_path + "/index.html", strict_slashes=True)
oas3_blueprint.static("/", dir_path)
# Redirect "/swagger" to "/swagger/"
@oas3_blueprint.route("", strict_slashes=True)
def index(request):
return redirect("{}/".format(oas3_blueprint.url_prefix))
@oas3_blueprint.route("/swagger.json")
def spec(request):
return json(specification.build().serialize())
@oas3_blueprint.route("/swagger-config")
def config(request):
return json(
getattr(
request.app.config,
"SWAGGER_UI_CONFIGURATION",
DEFAULT_SWAGGER_UI_CONFIG,
)
)
@oas3_blueprint.listener("before_server_start")
def build_spec(app, loop):
# --------------------------------------------------------------- #
# Blueprint Tags
# --------------------------------------------------------------- #
for blueprint_name, handler in get_blueprinted_routes(app):
operation = operations[handler]
if not operation.tags:
operation.tag(blueprint_name)
# --------------------------------------------------------------- #
# Operations
# --------------------------------------------------------------- #
for uri, route_name, route_parameters, method_handlers in get_all_routes(app, oas3_blueprint.url_prefix):
# --------------------------------------------------------------- #
# Methods
# --------------------------------------------------------------- #
uri = uri if uri == "/" else uri.rstrip("/")
for method, _handler in method_handlers:
if method == "OPTIONS":
continue
operation = operations[_handler]
# operation ID must be unique, and it isnt currently used for
# anything in UI, so dont add something meaningless
# if not hasattr(operation, "operationId"):
# operation.operationId = "%s_%s" % (method.lower(), route.name)
for _parameter in route_parameters:
operation.parameter(_parameter.name, _parameter.cast, "path")
specification.operation(uri, method, operation)
add_static_info_to_spec_from_config(app, specification)
return oas3_blueprint
def add_static_info_to_spec_from_config(app, specification):
"""
Reads app.config and sets attributes to specification according to the
desired values.
Modifies specification in-place and returns None
"""
specification.describe(
getattr(app.config, "API_TITLE", "API"),
getattr(app.config, "API_VERSION", "1.0.0"),
getattr(app.config, "API_DESCRIPTION", None),
getattr(app.config, "API_TERMS_OF_SERVICE", None),
)
specification.license(
getattr(app.config, "API_LICENSE_NAME", None),
getattr(app.config, "API_LICENSE_URL", None),
)
specification.contact(
getattr(app.config, "API_CONTACT_NAME", None),
getattr(app.config, "API_CONTACT_URL", None),
getattr(app.config, "API_CONTACT_EMAIL", None),
)
for scheme in getattr(app.config, "API_SCHEMES", ["http"]):
host = getattr(app.config, "API_HOST", None)
basePath = getattr(app.config, "API_BASEPATH", "")
if host is None or basePath is None:
continue
specification.url(f"{scheme}://{host}/{basePath}")