#25088: Migrations fail when change upload_to from function to sting type
-------------------------------+------------------------
     Reporter:  argaliev       |      Owner:  nobody
         Type:  Uncategorized  |     Status:  new
    Component:  Migrations     |    Version:  1.8
     Severity:  Normal         |   Keywords:  Migrations
 Triage Stage:  Unreviewed     |  Has patch:  0
Easy pickings:  0              |      UI/UX:  0
-------------------------------+------------------------
 In first migration function make_upload_path was passed to upload_to
 property of FIleField:
 {{{
 def make_upload_path(instance, filename):
     return 'auto_scripts/{0}/{1}'.format(instance.id,filename)

 class file_imports(models.Model):
     orig_file = models.FileField(upload_to=make_upload_path, blank=True,
 null=True)
 }}}
 Then upload_to was changed to hardcoded string and function
 make_upload_path was deleted.

 {{{
 orig_file = models.FileField(upload_to='auto_scripts/', blank=True,
 null=True)
 }}}
 and getting following error when starting makemigrations:
 {{{
 ......
 File "...../main/migrations/0001_initial.py", line 108, in Migration
     ('orig_file', models.FileField(upload_to=main.models.make_upload_path,
 null=True,
 AttributeError: 'module' object has no attribute 'make_upload_path'
 }}}

 Looks like migrations still want to see old function make_upload_path in
 code, but it does't need anymore.

--
Ticket URL: <https://code.djangoproject.com/ticket/25088>
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