質問編集履歴
3
modelの内容を変更
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calibration_dateをtodayなどで入力してその何年後かをnext_calibration_dateに表示させる。
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calibration_typeによってCALIBRATION_CHOICESから参照して次の指定日をreadonlyで表示させる。
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選択したcalibration_typeによってCALIBRATION_CHOICESから参照して次の指定日を自動で入力。管理画面でreadonlyで表示させる。
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readonly→これはadminでできているので多分いいと思ってます。
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models.pyの
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```python
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_models.py
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CALIBRATION_CHOICES = (
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(0,'1年校正'),
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(1,'2年校正'),
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(2,'5年校正'),
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(3,'10年校正'),
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)
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SPEC3_CHOICES = (
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(1, 'A'),
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(2, 'D'),
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)
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class InsLedger(models.Model):
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measuring_ins_group = models.IntegerField(choices=MEASURING_INS_GROUP_CHOICES,default=1)
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measuring_tool = models.ForeignKey(Device, on_delete=models.CASCADE)
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ins_num = models.CharField(max_length=10)
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calibration_type = models.IntegerField(choices=CALIBRATION_CHOICES)#校正期間
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calibration_date = models.DateField(default=now)#datetime.datetime.now())
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next_calibration_date = models.DateField()
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serial_num = models.CharField(max_length=20, null=True, blank=True, default='')
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product_num = models.ForeignKey(Product_num, on_delete=models.CASCADE)#対象品番
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team = models.ForeignKey(TeamModel, on_delete=models.CASCADE, related_name='teams1')
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line = models.ForeignKey(LineModel, on_delete=models.CASCADE, related_name='lines1')
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useapp = models.ForeignKey(Useapp, on_delete=models.CASCADE)#使用用途
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spec1 = models.ForeignKey(Spec1, on_delete=models.CASCADE)#最小目盛
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spec2 = models.ForeignKey(Spec2, on_delete=models.CASCADE)#測定範囲
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spec3 = models.IntegerField(choices=SPEC3_CHOICES)#表示
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check_items = models.ForeignKey(Check_Items, on_delete=models.CASCADE)#日常点検項目
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def save(self, *args, **kwargs):
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auto_now = kwargs.pop('next_calibration_date_auto_now', True)
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self.next_calibration_date = self.calibration_date + relativedelta(years=calibration_span)
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super().save(*args, **kwargs)
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def __str__(self):
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return str(self.measuring_tool)
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```
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```
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```python
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_admin.py
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class InsLedgerAdmin(admin.ModelAdmin):
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list_display = ('measuring_ins_group','measuring_tool','ins_num','team','line','calibration_date', 'next_calibration_date')
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list_filter = ["measuring_ins_group"]
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search_fields = ['measuring_ins_group']
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readonly_fields = ('next_calibration_date',)
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admin.site.register(InsLedger, InsLedgerAdmin)
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```
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runserverを動かして登録したところ以下のようなメッセージが出る。
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local variable 'calibration_span' referenced before assignment
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Exception Location: ―--/ins_ledger1/models.py, line 7
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Exception Location: ―--/ins_ledger1/models.py, line 72, in save
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72 self.next_calibration_date = self.calibration_date + relativedelta(years=calibration_span)
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```
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```
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-models.py
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CALIBRATION_CHOICES = (
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(0,'1年校正'),
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(1,'2年校正'),
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(2,'5年校正'),
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(3,'10年校正'),
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)
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class InsLedger(models.Model):
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measuring_ins_group = models.IntegerField(choices=MEASURING_INS_GROUP_CHOICES,default=1)
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measuring_tool = models.ForeignKey(Device, on_delete=models.CASCADE)
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ins_num = models.CharField(max_length=10)
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calibration_type = models.IntegerField(default=0,choices=CALIBRATION_CHOICES)#校正期間
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calibration_date = models.DateTimeField(default=now)#datetime.datetime.now())
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next_calibration_date = models.DateTimeField()
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serial_num = models.CharField(max_length=20, null=True, blank=True, default='')
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product_num = models.ForeignKey(Product_num, on_delete=models.CASCADE)#対象品番
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team = models.ForeignKey(TeamModel, on_delete=models.CASCADE, related_name='teams1')
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line = models.ForeignKey(LineModel, on_delete=models.CASCADE, related_name='lines1')
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useapp = models.ForeignKey(Useapp, on_delete=models.CASCADE)#使用用途
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spec1 = models.ForeignKey(Spec1, on_delete=models.CASCADE)#最小目盛
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spec2 = models.ForeignKey(Spec2, on_delete=models.CASCADE)#測定範囲
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spec3 = models.IntegerField(choices=SPEC3_CHOICES)#表示
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check_items = models.ForeignKey(Check_Items, on_delete=models.CASCADE)#日常点検項目
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def save(self, *args, **kwargs):
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auto_now = kwargs.pop('next_calibration_date_auto_now', True)
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if auto_now:
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if self.calibration_type == CALIBRATION_CHOICES[0]:
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calibration_span = 1
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elif self.calibration_type == CALIBRATION_CHOICES[1]:
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calibration_span = 2
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elif self.calibration_type == CALIBRATION_CHOICES[2]:
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calibration_span = 5
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elif self.calibration_type == CALIBRATION_CHOICES[3]:
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calibration_span = 10
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self.next_calibration_date = self.calibration_date + relativedelta(years=calibration_span)
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super().save(*args, **kwargs)
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def __str__(self):
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return str(self.measuring_tool)
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```
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```python
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class InsLedgerAdmin(admin.ModelAdmin):
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list_display = ('measuring_ins_group','measuring_tool','ins_num','team','line','calibration_date', 'next_calibration_date')
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list_filter = ["measuring_ins_group"]
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search_fields = ['measuring_ins_group']
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readonly_fields = ('next_calibration_date',)
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admin.site.register(InsLedger, InsLedgerAdmin)
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```
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### 試したこと
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どなたかわかる方ご教授お願いいたします。
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質問を変更しました。
test
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test
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models.pyの
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```python
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def save(self, *args, **kwargs):
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auto_now = kwargs.pop('next_calibration_date_auto_now', True)
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if auto_now:
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if self.calibration_type == CALIBRATION_CHOICES[0]:
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calibration_span = 1
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elif self.calibration_type == CALIBRATION_CHOICES[1]:
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calibration_span = 2
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elif self.calibration_type == CALIBRATION_CHOICES[2]:
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calibration_span = 5
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elif self.calibration_type == CALIBRATION_CHOICES[3]:
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calibration_span = 10
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**self.next_calibration_date = self.calibration_date + relativedelta(years=calibration_span)
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super().save(*args, **kwargs)**
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```
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この部分を段落を下げたらエラーは出なくなったが、登録してもIDがないため消去したといわれる。
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なぜなのでしょうか。
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### 発生している問題・エラーメッセージ
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不必要な部分を削除
test
CHANGED
File without changes
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test
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@@ -25,10 +25,6 @@
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local variable 'calibration_span' referenced before assignment
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Request Method: POST
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Request URL: http://localhost:8000/admin/ins_ledger1/insledger/add/?_changelist_filters=measuring_ins_group__exact%3D1
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Django Version: 3.2.5
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