flask TemplateNotFound pycharm

本文分享了在使用PyCharm Community版进行Flask开发时遇到的问题:与.py文件同目录下的HTML文件无法正常加载。解决方法是在.py文件所在目录创建一个templates文件夹,并将HTML文件放入该文件夹。

本人电子系,只为一学生。心喜计算机,小编以怡情。


现象:
1、刚接触flask
2、使用的pycharm community免费版
3、html文件明明和.py文件放在一块,却总是报错


解决方法:

在.py当前目录下建立一个templates文件夹,将html文件放在里面
* Running on http://198.18.0.1:5000 2025-07-18 02:13:19,215 - werkzeug - INFO - Press CTRL+C to quit 2025-07-18 02:13:19,659 - werkzeug - INFO - 127.0.0.1 - - [18/Jul/2025 02:13:19] "GET /login HTTP/1.1" 200 - 2025-07-18 02:13:23,659 - admin.app - ERROR - Exception on /login [POST] Traceback (most recent call last): File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1511, in wsgi_app response = self.full_dispatch_request() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 919, in full_dispatch_request rv = self.handle_user_exception(e) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 917, in full_dispatch_request rv = self.dispatch_request() ^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 902, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "F:\tg\pyCharm\直播bot\render_template\admin\app.py", line 42, in login return redirect(url_for("home")) ^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\helpers.py", line 232, in url_for return current_app.url_for( ^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1121, in url_for return self.handle_url_build_error(error, endpoint, values) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1110, in url_for rv = url_adapter.build( # type: ignore[union-attr] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\werkzeug\routing\map.py", line 924, in build raise BuildError(endpoint, values, method, self) werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'home'. Did you mean 'members' instead? 2025-07-18 02:13:23,668 - admin.app - ERROR - Server error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application. 2025-07-18 02:13:23,669 - werkzeug - INFO - 127.0.0.1 - - [18/Jul/2025 02:13:23] "POST /login HTTP/1.1" 500 - 2025-07-18 02:13:23,690 - werkzeug - ERROR - Error on request: Traceback (most recent call last): File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1511, in wsgi_app response = self.full_dispatch_request() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 919, in full_dispatch_request rv = self.handle_user_exception(e) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 917, in full_dispatch_request rv = self.dispatch_request() ^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 902, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "F:\tg\pyCharm\直播bot\render_template\admin\app.py", line 42, in login return redirect(url_for("home")) ^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\helpers.py", line 232, in url_for return current_app.url_for( ^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1121, in url_for return self.handle_url_build_error(error, endpoint, values) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1110, in url_for rv = url_adapter.build( # type: ignore[union-attr] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\werkzeug\routing\map.py", line 924, in build raise BuildError(endpoint, values, method, self) werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'home'. Did you mean 'members' instead? During handling of the above exception, another exception occurred: Traceback (most recent call last): File "f:\tg\pyCharm\.venv\Lib\site-packages\werkzeug\serving.py", line 370, in run_wsgi execute(self.server.app) File "f:\tg\pyCharm\.venv\Lib\site-packages\werkzeug\serving.py", line 331, in execute application_iter = app(environ, start_response) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1536, in __call__ return self.wsgi_app(environ, start_response) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 1514, in wsgi_app response = self.handle_exception(e) ^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\app.py", line 860, in handle_exception server_error = self.ensure_sync(handler)(server_error) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "F:\tg\pyCharm\直播bot\render_template\admin\app.py", line 240, in internal_server_error return render_template("500.html"), 500 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\templating.py", line 149, in render_template template = app.jinja_env.get_or_select_template(template_name_or_list) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\jinja2\environment.py", line 1084, in get_or_select_template return self.get_template(template_name_or_list, parent, globals) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\jinja2\environment.py", line 1013, in get_template return self._load_template(name, globals) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\jinja2\environment.py", line 972, in _load_template template = self.loader.load(self, name, self.make_globals(globals)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\jinja2\loaders.py", line 126, in load source, filename, uptodate = self.get_source(environment, name) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\templating.py", line 65, in get_source return self._get_source_fast(environment, template) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "f:\tg\pyCharm\.venv\Lib\site-packages\flask\templating.py", line 99, in _get_source_fast raise TemplateNotFound(template) jinja2.exceptions.TemplateNotFound: 500.html
最新发布
07-19
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