<commit_before>import inspect
import traceback
from collections import namedtuple
from typing import Any, Callable, Dict, List, Tuple  # noqa

import werkzeug
from uritemplate import URITemplate
from werkzeug.routing import Map, Rule

from apistar import app, exceptions, http, pipelines, schema, wsgi
from apistar.pipelines import ArgName, Pipeline

# TODO: Path
# TODO: 404
# TODO: Redirects
# TODO: Caching


primitive_types = (
    str, int, float, bool, list, dict
)

schema_types = (
    schema.String, schema.Integer, schema.Number,
    schema.Boolean, schema.Object
)

Route = namedtuple('Route', ['path', 'method', 'view'])
Endpoint = namedtuple('Endpoint', ['view', 'pipeline'])


class URLPathArgs(dict):
    pass


class URLPathArg(object):
    schema = None  # type: type

    @classmethod
    def build(cls, args: URLPathArgs, arg_name: ArgName):
        value = args.get(arg_name)
        if cls.schema is not None and not isinstance(value, cls.schema):
            try:
                value = cls.schema(value)
            except exceptions.SchemaError:
                raise exceptions.NotFound()
        return value


RouterLookup = Tuple[Callable, Pipeline, URLPathArgs]


class Router(object):
    converters = {
        str: 'string',
        int: 'int',
        float: 'float',
        # path, any, uuid
    }

    def __init__(self, routes: List[Route]) -> None:
        required_type = wsgi.WSGIResponse
        initial_types = [app.App, wsgi.WSGIEnviron, URLPathArgs, Exception]

        rules = []
        views = {}

        for (path, method, view) in routes:
            view_signature = inspect.signature(view)
            uritemplate = URITemplate(path)

            # Ensure view arguments include all URL arguments
            for arg in uritemplate.variable_names:
                assert arg in view_signature.parameters, (
                    'URL argument "%s" in path "%s" must be included as a '
                    'keyword argument in the view function "%s"' %
                    (arg, path, view.__name__)
                )

            # Create a werkzeug path string
            werkzeug_path = path[:]
            for arg in uritemplate.variable_names:
                param = view_signature.parameters[arg]
                if param.annotation == inspect.Signature.empty:
                    annotated_type = str
                elif issubclass(param.annotation, schema.String):
                    annotated_type = str
                elif issubclass(param.annotation, schema.Number):
                    annotated_type = float
                elif issubclass(param.annotation, schema.Integer):
                    annotated_type = int
                else:
                    annotated_type = param.annotation
                converter = self.converters[annotated_type]
                werkzeug_path = werkzeug_path.replace(
                    '{%s}' % arg,
                    '<%s:%s>' % (converter, arg)
                )

            # Create a werkzeug routing rule
            name = view.__name__<commit_msg>Refactor how types are mapped onto werkzeug converter strings.<commit_after>import inspect
import traceback
from collections import namedtuple
from typing import Any, Callable, Dict, List, Tuple  # noqa

import werkzeug
from uritemplate import URITemplate
from werkzeug.routing import Map, Rule

from apistar import app, exceptions, http, pipelines, schema, wsgi
from apistar.pipelines import ArgName, Pipeline

# TODO: Path
# TODO: 404
# TODO: Redirects
# TODO: Caching


primitive_types = (
    str, int, float, bool, list, dict
)

schema_types = (
    schema.String, schema.Integer, schema.Number,
    schema.Boolean, schema.Object
)

Route = namedtuple('Route', ['path', 'method', 'view'])
Endpoint = namedtuple('Endpoint', ['view', 'pipeline'])


class URLPathArgs(dict):
    pass


class URLPathArg(object):
    schema = None  # type: type

    @classmethod
    def build(cls, args: URLPathArgs, arg_name: ArgName):
        value = args.get(arg_name)
        if cls.schema is not None and not isinstance(value, cls.schema):
            try:
                value = cls.schema(value)
            except exceptions.SchemaError:
                raise exceptions.NotFound()
        return value


RouterLookup = Tuple[Callable, Pipeline, URLPathArgs]


class Router(object):
    def __init__(self, routes: List[Route]) -> None:
        required_type = wsgi.WSGIResponse
        initial_types = [app.App, wsgi.WSGIEnviron, URLPathArgs, Exception]

        rules = []
        views = {}

        for (path, method, view) in routes:
            view_signature = inspect.signature(view)
            uritemplate = URITemplate(path)

            # Ensure view arguments include all URL arguments
            for arg in uritemplate.variable_names:
                assert arg in view_signature.parameters, (
                    'URL argument "%s" in path "%s" must be included as a '
                    'keyword argument in the view function "%s"' %
                    (arg, path, view.__name__)
                )

            # Create a werkzeug path string
            werkzeug_path = path[:]
            for arg in uritemplate.variable_names:
                param = view_signature.parameters[arg]
                if param.annotation == inspect.Signature.empty:
                    converter = 'string'
                elif issubclass(param.annotation, (schema.String, str)):
                    converter = 'string'
                elif issubclass(param.annotation, (schema.Number, float)):
                    converter = 'float'
                elif issubclass(param.annotation, (schema.Integer, int)):
                    converter = 'int'
                else:
                    msg = 'Invalid type for path parameter, %s.' % param.annotation
                    raise exceptions.ConfigurationError(msg)

                werkzeug_path = werkzeug_path.replace(
                    '{%s}' % arg,
                    '<%s:%s>' % (converter, arg)
                )

            # Create a werkzeug routing rule
            name = view.__name__
{'fraction_non_alphanumeric': 0.08951071837669776, 'fraction_numerical': 0.0009818360333824251, 'mean_word_length': 2.0317460317460316, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2802446', 'n_tokens_mistral': 1699, 'n_tokens_neox': 1619, 'n_words': 478}