Reference file in storage backend by name and not by path.

mayan/apps/common/models.py

@@ -34,11 +34,11 @@ class SharedUploadedFile(models.Model):
         super(SharedUploadedFile, self).save(*args, **kwargs)
 
     def delete(self, *args, **kwargs):
-        self.file.storage.delete(self.file.path)
+        self.file.storage.delete(self.file.name)
         return super(SharedUploadedFile, self).delete(*args, **kwargs)
 
     def open(self):
-        return self.file.storage.open(self.file.path)
+        return self.file.storage.open(self.file.name)
 
 
 @python_2_unicode_compatible

mayan/apps/document_signatures/managers.py

@@ -59,7 +59,7 @@ class DocumentVersionSignatureManager(models.Manager):
     def detached_signature(self, document_version):
         document_signature = self.get_document_signature(document_version=document_version)
 
-        return document_signature.signature_file.storage.open(document_signature.signature_file.path)
+        return document_signature.signature_file.storage.open(document_signature.signature_file.name)
 
     def verify_signature(self, document_version):
         document_version_descriptor = document_version.open(raw=True)

mayan/apps/document_signatures/models.py

@@ -37,7 +37,7 @@ class DocumentVersionSignature(models.Model):
             self.save()
 
     def delete_detached_signature_file(self):
-        self.signature_file.storage.delete(self.signature_file.path)
+        self.signature_file.storage.delete(self.signature_file.name)
 
     class Meta:
         verbose_name = _('Document version signature')

mayan/apps/documents/models.py

@@ -411,7 +411,7 @@ class DocumentVersion(models.Model):
         for page in self.pages.all():
             page.delete()
 
-        self.file.storage.delete(self.file.path)
+        self.file.storage.delete(self.file.name)
 
         return super(DocumentVersion, self).delete(*args, **kwargs)
 
@@ -420,7 +420,7 @@ class DocumentVersion(models.Model):
         Returns a boolean value that indicates if the document's file
         exists in storage
         """
-        return self.file.storage.exists(self.file.path)
+        return self.file.storage.exists(self.file.name)
 
     def open(self, raw=False):
         """
@@ -428,9 +428,9 @@ class DocumentVersion(models.Model):
         the storage backend
         """
         if raw:
-            return self.file.storage.open(self.file.path)
+            return self.file.storage.open(self.file.name)
         else:
-            result = self.file.storage.open(self.file.path)
+            result = self.file.storage.open(self.file.name)
             for key in sorted(DocumentVersion._pre_open_hooks):
                 result = DocumentVersion._pre_open_hooks[key](result, self)
 
@@ -457,7 +457,7 @@ class DocumentVersion(models.Model):
     @property
     def size(self):
         if self.exists():
-            return self.file.storage.size(self.file.path)
+            return self.file.storage.size(self.file.name)
         else:
             return None