コード例 #1
0
    def wrapper(func):
        rest_spec = inspect_func(func)

        api_group = group if group != None else rest_spec['module_name']

        if api_group not in api_lookup_table:
            api_lookup_table[api_group] = {}

        api_name = name if name else rest_spec['func_name']

        if api_name in api_lookup_table[api_group]:
            raise Exception('duplicate api name %s with function %s' % (api_name, rest_spec['func_name']))

        api_prefix = '^%s/'%api_group if api_group else '^'
        api_postfix = '/$'

        if not url:
            api_url = api_prefix + api_name + api_postfix
        else:
            api_url = api_prefix + url + api_postfix

        api_lookup_table[api_group][api_name] = {
            'method': method,
            'spec': rest_spec,
            'url': api_url
        }

        def django_view(request, *args, **kwargs):
            params = {}

            for param_name, param_spec in rest_spec['params'].iteritems():
                val = param_spec['parser'](request, *args, **kwargs)
                if val:
                    try:
                        params[param_name] = param_spec['type'](val) if param_spec['type'] else val
                    except ValueError:
                        return HttpResponse('invalid type of %s' % param_name, status=400)    
                elif param_spec['required']:
                    return HttpResponse('%s is required' % param_name, status=400)
                else:
                    params[param_name] = param_spec['default']

            try:
                result = func(**params)
                return rest_spec['result'](result)
            except APIError as err:
                return rest_spec['error'](err)

        urlpattern = make_url(api_url, django_view)
        urls.urlpatterns.append(urlpattern)
        return func
コード例 #2
0
    def wrapper(func):
        rest_spec = inspect_func(func)

        if types:
            for param in rest_spec['params']:
                if param['name'] in types:
                    param['type'] = types[param['name']]
                    param['type_name'] = types[param['name']].__name__
                else:
                    param['type'] = None
                    param['type_name'] = u'任意'

        if group not in api_table:
            api_table[group] = {}

        api_name = name if name else rest_spec['name']

        if api_name in api_table[group]:
            raise Exception('duplicate api name %s with function %s' %
                            (api_name, rest_spec['name']))

        api_prefix = '^%s/' % group if group else '^'
        api_postfix = '/$'

        if not url:
            api_url = api_prefix + api_name + api_postfix
        else:
            api_url = api_prefix + url + api_postfix

        api_table[group][api_name] = {'spec': rest_spec, 'url': api_url}

        @csrf_exempt
        def django_view(request, *args, **kwargs):
            if request.method == 'POST' and request.META[
                    'CONTENT_TYPE'].startswith('application/json'):
                body = json.loads(request.body)
            else:
                body = {}

            params = {}
            varg = 0

            try:
                for param in rest_spec['params']:
                    name, required, default = param['name'], param[
                        'required'], param['default']

                    if len(args) > varg:
                        params[name] = args[varg]
                        varg += 1
                    elif name in kwargs:
                        params[name] = kwargs[name]

                    elif name in request.GET:
                        params[name] = request.GET[name]
                    elif name in request.POST:
                        params[name] = request.POST[name]
                    elif name in body:
                        params[name] = body[name]

                    elif not required:
                        params[name] = default

                    if param.has_key('type'):
                        value = params[name]
                        if isinstance(value, dict):
                            params[name] = param['type'](**value)
                        else:
                            params[name] = param['type'](value)
            except Exception as ex:
                e = {'message': str(ex)}
                response = HttpResponse(json.dumps(e))
                response.status_code = 400
                return response

            try:
                profile = cProfile.Profile()
                start_time = time.time()
                start_rusage = resource.getrusage(resource.RUSAGE_SELF)
                response = HttpResponse(content_type='application/json')

                result = profile.runcall(func, **params)

                response.content = json.dumps(result, indent=2)
            except APIError as err:
                response.status_code = err.status
                response.content = json.dumps(err.data)
            except Exception as ex:
                traces = []
                start_trace = False

                for fr, fi, li, fn, cb, _ in inspect.trace():
                    if fn == 'runcall':
                        start_trace = True
                        continue
                    if start_trace:
                        traces.append({
                            'file': fi,
                            'line': li,
                            'func': fn,
                            'code': cb
                        })

                e = {'message': str(ex), 'stacktrace': traces}
                response.status_code = 500
                response.content = json.dumps(e)
            finally:
                end_time = time.time()
                end_rusage = resource.getrusage(resource.RUSAGE_SELF)

                timer = {
                    'start': start_time,
                    'end': end_time,
                    'elapsed': (end_time - start_time) * 1000,
                    'utime':
                    (end_rusage.ru_utime - start_rusage.ru_utime) * 1000,
                    'stime':
                    (end_rusage.ru_stime - start_rusage.ru_stime) * 1000,
                    'nvcsw': end_rusage.ru_nvcsw - start_rusage.ru_nvcsw,
                    'nivcsw': end_rusage.ru_nivcsw - start_rusage.ru_nivcsw,
                }
                response['timer'] = json.dumps(timer)

                sql = {}
                for db in settings.DATABASES:
                    sql[db] = connections[db].queries
                response['sql'] = json.dumps(sql)

                profiling = []
                profile.create_stats()
                stats = pstats.Stats(profile)
                stats.calc_callees()

                for (filepath, line,
                     func_name), (cc, nc, tt, ct,
                                  _) in stats.stats.items()[:10]:
                    profiling.append((filepath, line, func_name, cc, nc,
                                      tt * 1000, ct * 1000))
                    profiling.sort(lambda a, b: 1 if a[6] < b[6] else -1)

                response['profiling'] = json.dumps(profiling[:10])
                return response

        urlpattern = make_url(api_url, django_view)
        urls.urlpatterns.append(urlpattern)
        return func
コード例 #3
0
ファイル: decorators.py プロジェクト: jeanru/restapi
    def wrapper(func):
        rest_spec = inspect_func(func)

        if types:
            for param in rest_spec['params']:
                if param['name'] in types:
                    param['type'] = types[param['name']]
                    param['type_name'] = types[param['name']].__name__
                else:
                    param['type'] = None
                    param['type_name'] = u'任意'

        if group not in api_table:
            api_table[group] = {}

        api_name = name if name else rest_spec['name']

        if api_name in api_table[group]:
            raise Exception('duplicate api name %s with function %s' % (api_name, rest_spec['name']))

        api_prefix = '^%s/'%group if group else '^'
        api_postfix = '/$'

        if not url:
            api_url = api_prefix + api_name + api_postfix
        else:
            api_url = api_prefix + url + api_postfix

        api_table[group][api_name] = {
            'spec': rest_spec,
            'url': api_url
        }

        @csrf_exempt
        def django_view(request, *args, **kwargs):
            if request.method == 'POST' and request.META['CONTENT_TYPE'].startswith('application/json'):
                body = json.loads(request.body)
            else:
                body = {}

            params = {}
            varg = 0

            try:
                for param in rest_spec['params']:
                    name, required, default = param['name'], param['required'], param['default']

                    if len(args) > varg:
                        params[name] = args[varg]
                        varg += 1
                    elif name in kwargs:
                        params[name] = kwargs[name]

                    elif name in request.GET:
                        params[name] = request.GET[name]
                    elif name in request.POST:
                        params[name] = request.POST[name]
                    elif name in body:
                        params[name] = body[name]

                    elif not required:
                        params[name] = default

                    if param.has_key('type'):
                        value = params[name]
                        if isinstance(value, dict):
                            params[name] = param['type'](**value)
                        else:
                            params[name] = param['type'](value)
            except Exception as ex:
                e = {
                    'message': str(ex)
                }
                response = HttpResponse(json.dumps(e))
                response.status_code = 400
                return response

            try:
                profile = cProfile.Profile()
                start_time = time.time()
                start_rusage = resource.getrusage(resource.RUSAGE_SELF)
                response = HttpResponse(content_type='application/json')

                result = profile.runcall(func, **params)

                response.content = json.dumps(result, indent=2)
            except APIError as err:
                response.status_code = err.status
                response.content = json.dumps(err.data)
            except Exception as ex:
                traces = []
                start_trace = False

                for fr, fi, li, fn, cb, _ in inspect.trace():
                    if fn == 'runcall':
                        start_trace = True
                        continue
                    if start_trace:
                        traces.append({
                            'file': fi,
                            'line': li,
                            'func': fn,
                            'code': cb
                        })

                e = {
                    'message': str(ex),
                    'stacktrace': traces
                }
                response.status_code = 500
                response.content = json.dumps(e)
            finally:
                end_time = time.time()
                end_rusage = resource.getrusage(resource.RUSAGE_SELF)

                timer = {
                    'start': start_time,
                    'end': end_time,
                    'elapsed': (end_time - start_time)*1000,
                    'utime': (end_rusage.ru_utime - start_rusage.ru_utime)*1000,
                    'stime': (end_rusage.ru_stime - start_rusage.ru_stime)*1000,
                    'nvcsw': end_rusage.ru_nvcsw - start_rusage.ru_nvcsw,
                    'nivcsw': end_rusage.ru_nivcsw - start_rusage.ru_nivcsw,
                }
                response['timer'] = json.dumps(timer)

                sql = {}
                for db in settings.DATABASES:
                    sql[db] = connections[db].queries
                response['sql'] = json.dumps(sql)

                profiling = []
                profile.create_stats()
                stats = pstats.Stats(profile)
                stats.calc_callees()

                for (filepath, line, func_name), (cc, nc, tt, ct, _) in stats.stats.items()[:10]:
                    profiling.append((filepath, line, func_name, cc, nc, tt*1000, ct*1000))
                    profiling.sort(lambda a, b: 1 if a[6]<b[6] else -1)

                response['profiling'] = json.dumps(profiling[:10])
                return response
            
        urlpattern = make_url(api_url, django_view)
        urls.urlpatterns.append(urlpattern)
        return func