質問編集履歴
4
本文に調査内容投稿
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本日（12/19）環境を再構築し、再度実行してみましたが、IntegrityErrorが改善されません。
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エラー内容を再調査してみると、titleとbodyに値が入っていないためエラーとなっているようです。
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POST投稿時、title、bodyに値は入れております。
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-
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何が悪悪いのか、本当に分からない状況です。
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```python
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# app.py
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3
本文修正致しました。
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何が間違っているのかも分からず困っております。
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解決方法をご教示いただければと思います。
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本日（12/19）環境を再構築し、再度実行してみましたが、IntegrityErrorが改善されません。
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もう、何を、どうしたら、また、何が間違っているのか全く分からない状況です。
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```python
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@@ -49,6 +54,28 @@
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return redirect('/')
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else:
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return render_template('create.html')
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```
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```
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<!-- base.html -->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<!-- ここに、HTMLの共通化が埋め込まれる -->
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{% block content %}
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{% endblock %}
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</body>
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</html>
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```
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```html
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2
エラー内容を調査したことを追記
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1
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以下の様に、POSTで投稿を行う処理を実装しましたが、
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どうしても、IntegrityErrorが発生してしまい、解決できな状況です。
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エラー状況をデバッグログ等から調べてみると、
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titleやbodyに値を入れていないと判定され、エラーとなっているようです。
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6
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しかし、以下の画像の様に、titleやbodyに値を入れて「新規投稿」ボタンを押しております。
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3
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-
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何が間違っているのかも分からず困っております。
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解決方法をご教示いただければと思います。
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1
デバッグログ追加
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デバッグログ
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```
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127.0.0.1 - - [18/Dec/2022 14:52:48] "POST /create HTTP/1.1" 500 -
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Traceback (most recent call last):
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\base.py", line 1900, in _execute_context
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self.dialect.do_execute(
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\default.py", line 736, in do_execute
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cursor.execute(statement, parameters)
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sqlite3.IntegrityError: NOT NULL constraint failed: post.title
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The above exception was the direct cause of the following exception:
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Traceback (most recent call last):
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\flask\app.py", line 2548, in __call__
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return self.wsgi_app(environ, start_response)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\flask\app.py", line 2528, in wsgi_app
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response = self.handle_exception(e)
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^^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\flask\app.py", line 2525, in wsgi_app
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response = self.full_dispatch_request()
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\flask\app.py", line 1822, in full_dispatch_request
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rv = self.handle_user_exception(e)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\flask\app.py", line 1820, in full_dispatch_request
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rv = self.dispatch_request()
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^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\flask\app.py", line 1796, in dispatch_request
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return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\app.py", line 33, in create
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db.session.commit()
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File "<string>", line 2, in commit
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\session.py", line 1451, in commit
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123
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self._transaction.commit(_to_root=self.future)
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\session.py", line 829, in commit
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self._prepare_impl()
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\session.py", line 808, in _prepare_impl
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self.session.flush()
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\session.py", line 3444, in flush
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self._flush(objects)
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\session.py", line 3583, in _flush
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131
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with util.safe_reraise():
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\util\langhelpers.py", line 70, in __exit__
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compat.raise_(
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\util\compat.py", line 211, in raise_
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raise exception
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\session.py", line 3544, in _flush
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flush_context.execute()
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\unitofwork.py", line 456, in execute
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139
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rec.execute(self)
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\unitofwork.py", line 630, in execute
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141
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util.preloaded.orm_persistence.save_obj(
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\persistence.py", line 245, in save_obj
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143
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+
_emit_insert_statements(
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\orm\persistence.py", line 1238, in _emit_insert_statements
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145
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+
result = connection._execute_20(
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^^^^^^^^^^^^^^^^^^^^^^^
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\base.py", line 1705, in _execute_20
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148
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return meth(self, args_10style, kwargs_10style, execution_options)
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149
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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150
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\sql\elements.py", line 334, in _execute_on_connection
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151
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+
return connection._execute_clauseelement(
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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153
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\base.py", line 1572, in _execute_clauseelement
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154
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ret = self._execute_context(
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^^^^^^^^^^^^^^^^^^^^^^
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156
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\base.py", line 1943, in _execute_context
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157
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self._handle_dbapi_exception(
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158
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\base.py", line 2124, in _handle_dbapi_exception util.raise_(
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159
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+
File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\util\compat.py", line 211, in raise_
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160
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raise exception
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161
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\base.py", line 1900, in _execute_context
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162
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self.dialect.do_execute(
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163
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File "C:\PC-Work\dockerenv\pyDir\myproject\.venv\Lib\site-packages\sqlalchemy\engine\default.py", line 736, in do_execute
|
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164
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+
cursor.execute(statement, parameters)
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165
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+
sqlalchemy.exc.IntegrityError: (sqlite3.IntegrityError) NOT NULL constraint failed: post.title
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166
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[SQL: INSERT INTO post (title, body, created_at) VALUES (?, ?, ?)]
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167
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+
[parameters: (None, None, '2022-12-18 14:50:58.409335')]
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168
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+
(Background on this error at: https://sqlalche.me/e/14/gkpj)
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90
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169
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127.0.0.1 - - [18/Dec/2022 14:52:48] "GET /create?__debugger__=yes&cmd=resource&f=style.css HTTP/1.1" 304 -
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91
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127.0.0.1 - - [18/Dec/2022 14:
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170
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127.0.0.1 - - [18/Dec/2022 14:52:48] "GET /create?__debugger__=yes&cmd=resource&f=debugger.js HTTP/1.1" 304 -
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92
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127.0.0.1 - - [18/Dec/2022 14:
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171
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127.0.0.1 - - [18/Dec/2022 14:52:48] "GET /create?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -
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93
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127.0.0.1 - - [18/Dec/2022 14:
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172
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127.0.0.1 - - [18/Dec/2022 14:52:48] "GET /create?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -
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173
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94
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```
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95
175
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