Update: Refactor codes using analisys by SonarQube

scrapy/commands/check.py

@@ -68,43 +68,51 @@ def add_options(self, parser: argparse.ArgumentParser) -> None:
         )
 
     def run(self, args: list[str], opts: argparse.Namespace) -> None:
-        # load contracts
         contracts = build_component_list(self.settings.getwithbase("SPIDER_CONTRACTS"))
         conman = ContractsManager(load_object(c) for c in contracts)
         runner = TextTestRunner(verbosity=2 if opts.verbose else 1)
         result = TextTestResult(runner.stream, runner.descriptions, runner.verbosity)
 
-        # contract requests
-        contract_reqs = defaultdict(list)
-
         assert self.crawler_process
         spider_loader = self.crawler_process.spider_loader
 
         with set_environ(SCRAPY_CHECK="true"):
-            for spidername in args or spider_loader.list():
-                spidercls = spider_loader.load(spidername)
-                spidercls.start_requests = lambda s: conman.from_spider(s, result)  # type: ignore[assignment,method-assign,return-value]
-
-                tested_methods = conman.tested_methods_from_spidercls(spidercls)
-                if opts.list:
-                    for method in tested_methods:
-                        contract_reqs[spidercls.name].append(method)
-                elif tested_methods:
-                    self.crawler_process.crawl(spidercls)
-
-            # start checks
+            contract_reqs = self._collect_contract_requests(args, spider_loader, conman, result, opts)
+
             if opts.list:
-                for spider, methods in sorted(contract_reqs.items()):
-                    if not methods and not opts.verbose:
-                        continue
-                    print(spider)
-                    for method in sorted(methods):
-                        print(f"  * {method}")
+                self._list_contract_methods(contract_reqs, opts.verbose)
             else:
-                start = time.time()
-                self.crawler_process.start()
-                stop = time.time()
+                self._run_contract_tests(result)
 
-                result.printErrors()
-                result.printSummary(start, stop)
-                self.exitcode = int(not result.wasSuccessful())
+    def _collect_contract_requests(self, args, spider_loader, conman, result, opts):
+        """Collects tested methods for each spider and configures crawling processes."""
+        contract_reqs = defaultdict(list)
+        for spidername in args or spider_loader.list():
+            spidercls = spider_loader.load(spidername)
+            spidercls.start_requests = lambda s: conman.from_spider(s, result)  # type: ignore[assignment,method-assign,return-value]
+
+            tested_methods = conman.tested_methods_from_spidercls(spidercls)
+            if opts.list:
+                contract_reqs[spidercls.name].extend(tested_methods)
+            elif tested_methods:
+                self.crawler_process.crawl(spidercls)
+        return contract_reqs
+
+    def _list_contract_methods(self, contract_reqs, verbose):
+        """Prints tested methods for each spider if listing mode is active."""
+        for spider, methods in sorted(contract_reqs.items()):
+            if not methods and not verbose:
+                continue
+            print(spider)
+            for method in sorted(methods):
+                print(f"  * {method}")
+
+    def _run_contract_tests(self, result):
+        """Starts the crawling process to check contracts and displays a summary of the results."""
+        start = time.time()
+        self.crawler_process.start()
+        stop = time.time()
+
+        result.printErrors()
+        result.printSummary(start, stop)
+        self.exitcode = int(not result.wasSuccessful())

scrapy/commands/parse.py

@@ -397,7 +397,7 @@ def process_request_cb_kwargs(self, opts: argparse.Namespace) -> None:
 
     def run(self, args: list[str], opts: argparse.Namespace) -> None:
         # parse arguments
-        if not len(args) == 1 or not is_url(args[0]):
+        if len(args) != 1 or not is_url(args[0]):
             raise UsageError()
         else:
             url = args[0]