Increase max text length (#2436)

Author: gunthercox

chatterbot/constants.py

@@ -5,11 +5,11 @@
 
 '''
 The maximum length of characters that the text of a statement can contain.
-The number 255 is used because that is the maximum length of a char field
-in most databases. This value should be enforced on a per-model basis by
-the data model for each storage adapter.
+The number 1100 is used to support longer conversational statements while
+remaining within VARCHAR limits for most databases. This value should be
+enforced on a per-model basis by the data model for each storage adapter.
 '''
-STATEMENT_TEXT_MAX_LENGTH = 255
+STATEMENT_TEXT_MAX_LENGTH = 1100
 
 '''
 The maximum length of characters that the text label of a conversation can contain.

chatterbot/ext/django_chatterbot/migrations/0021_increase_text_max_length_to_1100.py

@@ -0,0 +1,55 @@
+"""
+Django migration to increase text field max_length from 255 to 1100.
+
+This migration alters all text-related fields in the Statement model:
+- text
+- search_text
+- in_response_to
+- search_in_response_to
+
+This change supports longer conversational statements while remaining
+within VARCHAR limits for most databases.
+"""
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_chatterbot', '0020_alter_statement_conversation_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='statement',
+            name='text',
+            field=models.CharField(max_length=1100, help_text='The text of the statement.'),
+        ),
+        migrations.AlterField(
+            model_name='statement',
+            name='search_text',
+            field=models.CharField(
+                blank=True,
+                max_length=1100,
+                help_text='A modified version of the statement text optimized for searching.'
+            ),
+        ),
+        migrations.AlterField(
+            model_name='statement',
+            name='in_response_to',
+            field=models.CharField(
+                max_length=1100,
+                null=True,
+                help_text='The text of the statement that this statement is in response to.'
+            ),
+        ),
+        migrations.AlterField(
+            model_name='statement',
+            name='search_in_response_to',
+            field=models.CharField(
+                blank=True,
+                max_length=1100,
+                help_text='A modified version of the in_response_to text optimized for searching.'
+            ),
+        ),
+    ]