#26495: Saving StringIO using custom storage class may result in empty content written to file -------------------------------------+------------------------------------- Reporter: m-novikov | Owner: nobody Type: Uncategorized | Status: new Component: File | Version: master uploads/storage | Severity: Normal | Resolution: Keywords: | Triage Stage: | Unreviewed Has patch: 0 | Needs documentation: 0 Needs tests: 0 | Patch needs improvement: 0 Easy pickings: 0 | UI/UX: 0 -------------------------------------+------------------------------------- Description changed by m-novikov:
Old description: > https://github.com/django/django/blob/master/django/core/files/storage.py#L50 > {{{ > #!python > class Storage(object): > > def save(self, name, content, max_length=None): > ... > if not hasattr(content, 'chunks'): > content = File(content) > }}} > For example if custom storage uses requests with post query. > {{{ > #!python > import requests > class CustomStorage(object): > def _save(self, name, content, max_length=None): > requests.post('http://testhost.org/upload', data=content) > }}} > But it will result in empty upload as bool(content) is False. > Possibly better to pass a name to File object. To ensure bool(content) is > True > {{{ > #!python > if not hasattr(content, 'chunks'): > content = File(content, name=name) > }}} New description: https://github.com/django/django/blob/master/django/core/files/storage.py#L50 {{{ #!python class Storage(object): def save(self, name, content, max_length=None): ... if not hasattr(content, 'chunks'): content = File(content) }}} For example if custom storage uses requests with post query and we are saving StringIO object. {{{ #!python from StringIO import StringIO from django.core.files.storage import Storage import requests class CustomStorage(Storage): def _save(self, name, content, max_length=None): requests.post('http://testhost.org/upload', data=content) custom_storage = CustomStorage() custom_storage.save('new_name', StringIO('content')) }}} But it will result in empty upload as bool(content) is False. Possibly better to pass a name to File object. To ensure bool(content) is True {{{ #!python if not hasattr(content, 'chunks'): content = File(content, name=name) }}} -- -- Ticket URL: <https://code.djangoproject.com/ticket/26495#comment:4> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/067.c7cf305dd91385c2bd44ac93127f852f%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.