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Fixed #18843 -- Replaced more special chars in column names (inspectdb) 

Thanks airstrike for the report.
This commit is contained in:
Claude Paroz 2012-08-23 22:50:25 +02:00
parent 395c6083af
commit f5ea730dac
3 changed files with 16 additions and 11 deletions
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15
django/core/management/commands/inspectdb.py
View File

@ -1,6 +1,7 @@
from __future__ import unicode_literals
import keyword
import re
from optparse import make_option
from django.core.management.base import NoArgsCommand, CommandError
@ -142,18 +143,16 @@ class Command(NoArgsCommand):
else:
field_params['db_column'] = col_name
if ' ' in new_name:
new_name = new_name.replace(' ', '_')
field_notes.append('Field renamed to remove spaces.')
if '-' in new_name:
new_name = new_name.replace('-', '_')
field_notes.append('Field renamed to remove dashes.')
new_name, num_repl = re.subn(r'\W', '_', new_name)
if num_repl > 0:
field_notes.append('Field renamed to remove unsuitable characters.')
if new_name.find('__') >= 0:
while new_name.find('__') >= 0:
new_name = new_name.replace('__', '_')
field_notes.append("Field renamed because it contained more than one '_' in a row.")
if col_name.lower().find('__') >= 0:
# Only add the comment if the double underscore was in the original name
field_notes.append("Field renamed because it contained more than one '_' in a row.")
if new_name.startswith('_'):
new_name = 'field%s' % new_name

5
tests/regressiontests/inspectdb/models.py
View File

@ -20,8 +20,11 @@ class DigitsInColumnName(models.Model):
leading_digit = models.CharField(max_length=11, db_column='4extra')
leading_digits = models.CharField(max_length=11, db_column='45extra')
class UnderscoresInColumnName(models.Model):
class SpecialColumnName(models.Model):
field = models.IntegerField(db_column='field')
# Underscores
field_field_0 = models.IntegerField(db_column='Field_')
field_field_1 = models.IntegerField(db_column='Field__')
field_field_2 = models.IntegerField(db_column='__field')
# Other chars
prc_x = models.IntegerField(db_column='prc(%) x')

7
tests/regressiontests/inspectdb/tests.py
View File

@ -59,8 +59,10 @@ class InspectDBTestCase(TestCase):
self.assertNotIn(" 45extra = models.CharField", output, msg=error_message)
self.assertIn("number_45extra = models.CharField", output)
def test_underscores_column_name_introspection(self):
"""Introspection of column names containing underscores (#12460)"""
def test_special_column_name_introspection(self):
"""Introspection of column names containing special characters,
unsuitable for Python identifiers
"""
out = StringIO()
call_command('inspectdb', stdout=out)
output = out.getvalue()
@ -68,3 +70,4 @@ class InspectDBTestCase(TestCase):
self.assertIn("field_field = models.IntegerField(db_column='Field_')", output)
self.assertIn("field_field_0 = models.IntegerField(db_column='Field__')", output)
self.assertIn("field_field_1 = models.IntegerField(db_column='__field')", output)
self.assertIn("prc_x = models.IntegerField(db_column='prc(%) x')", output)