Format Python code with black

src/documents/migrations/0014_document_checksum.py

@@ -22,16 +22,12 @@ class GnuPG(object):
 
     @classmethod
     def decrypted(cls, file_handle):
-        return cls.gpg.decrypt_file(
-            file_handle, passphrase=settings.PASSPHRASE).data
+        return cls.gpg.decrypt_file(file_handle, passphrase=settings.PASSPHRASE).data
 
     @classmethod
     def encrypted(cls, file_handle):
         return cls.gpg.encrypt_file(
-            file_handle,
-            recipients=None,
-            passphrase=settings.PASSPHRASE,
-            symmetric=True
+            file_handle, recipients=None, passphrase=settings.PASSPHRASE, symmetric=True
         ).data
 
 
@@ -53,8 +49,7 @@ class Document(object):
     def __str__(self):
         created = self.created.strftime("%Y%m%d%H%M%S")
         if self.correspondent and self.title:
-            return "{}: {} - {}".format(
-                created, self.correspondent, self.title)
+            return "{}: {} - {}".format(created, self.correspondent, self.title)
         if self.correspondent or self.title:
             return "{}: {}".format(created, self.correspondent or self.title)
         return str(created)
@@ -65,7 +60,7 @@ class Document(object):
             settings.MEDIA_ROOT,
             "documents",
             "originals",
-            "{:07}.{}.gpg".format(self.pk, self.file_type)
+            "{:07}.{}.gpg".format(self.pk, self.file_type),
         )
 
     @property
@@ -84,38 +79,62 @@ def set_checksums(apps, schema_editor):
     if not document_model.objects.all().exists():
         return
 
-    print(colourise(
-        "\n\n"
-        "  This is a one-time only migration to generate checksums for all\n"
-        "  of your existing documents.  If you have a lot of documents\n"
-        "  though, this may take a while, so a coffee break may be in\n"
-        "  order."
-        "\n", opts=("bold",)
-    ))
+    print(
+        colourise(
+            "\n\n"
+            "  This is a one-time only migration to generate checksums for all\n"
+            "  of your existing documents.  If you have a lot of documents\n"
+            "  though, this may take a while, so a coffee break may be in\n"
+            "  order."
+            "\n",
+            opts=("bold",),
+        )
+    )
 
     sums = {}
     for d in document_model.objects.all():
 
         document = Document(d)
 
-        print("    {} {} {}".format(
-            colourise("*", fg="green"),
-            colourise("Generating a checksum for", fg="white"),
-            colourise(document.file_name, fg="cyan")
-        ))
+        print(
+            "    {} {} {}".format(
+                colourise("*", fg="green"),
+                colourise("Generating a checksum for", fg="white"),
+                colourise(document.file_name, fg="cyan"),
+            )
+        )
 
         with document.source_file as encrypted:
             checksum = hashlib.md5(GnuPG.decrypted(encrypted)).hexdigest()
 
         if checksum in sums:
             error = "\n{line}{p1}\n\n{doc1}\n{doc2}\n\n{p2}\n\n{code}\n\n{p3}{line}".format(
-                p1=colourise("It appears that you have two identical documents in your collection and \nPaperless no longer supports this (see issue #97).  The documents in question\nare:", fg="yellow"),
-                p2=colourise("To fix this problem, you'll have to remove one of them from the database, a task\nmost easily done by running the following command in the same\ndirectory as manage.py:", fg="yellow"),
-                p3=colourise("When that's finished, re-run the migrate, and provided that there aren't any\nother duplicates, you should be good to go.", fg="yellow"),
-                doc1=colourise("  * {} (id: {})".format(sums[checksum][1], sums[checksum][0]), fg="red"),
-                doc2=colourise("  * {} (id: {})".format(document.file_name, document.pk), fg="red"),
-                code=colourise("  $ echo 'DELETE FROM documents_document WHERE id = {pk};' | ./manage.py dbshell".format(pk=document.pk), fg="green"),
-                line=colourise("\n{}\n".format("=" * 80), fg="white", opts=("bold",))
+                p1=colourise(
+                    "It appears that you have two identical documents in your collection and \nPaperless no longer supports this (see issue #97).  The documents in question\nare:",
+                    fg="yellow",
+                ),
+                p2=colourise(
+                    "To fix this problem, you'll have to remove one of them from the database, a task\nmost easily done by running the following command in the same\ndirectory as manage.py:",
+                    fg="yellow",
+                ),
+                p3=colourise(
+                    "When that's finished, re-run the migrate, and provided that there aren't any\nother duplicates, you should be good to go.",
+                    fg="yellow",
+                ),
+                doc1=colourise(
+                    "  * {} (id: {})".format(sums[checksum][1], sums[checksum][0]),
+                    fg="red",
+                ),
+                doc2=colourise(
+                    "  * {} (id: {})".format(document.file_name, document.pk), fg="red"
+                ),
+                code=colourise(
+                    "  $ echo 'DELETE FROM documents_document WHERE id = {pk};' | ./manage.py dbshell".format(
+                        pk=document.pk
+                    ),
+                    fg="green",
+                ),
+                line=colourise("\n{}\n".format("=" * 80), fg="white", opts=("bold",)),
             )
             raise RuntimeError(error)
         sums[checksum] = (document.pk, document.file_name)
@@ -129,33 +148,35 @@ def do_nothing(apps, schema_editor):
 
 class Migration(migrations.Migration):
     dependencies = [
-        ('documents', '0013_auto_20160325_2111'),
+        ("documents", "0013_auto_20160325_2111"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='document',
-            name='checksum',
+            model_name="document",
+            name="checksum",
             field=models.CharField(
-                default='-',
+                default="-",
                 db_index=True,
                 editable=False,
                 max_length=32,
-                help_text='The checksum of the original document (before it '
-                          'was encrypted).  We use this to prevent duplicate '
-                          'document imports.',
+                help_text="The checksum of the original document (before it "
+                "was encrypted).  We use this to prevent duplicate "
+                "document imports.",
             ),
             preserve_default=False,
         ),
         migrations.RunPython(set_checksums, do_nothing),
         migrations.AlterField(
-            model_name='document',
-            name='created',
-            field=models.DateTimeField(db_index=True, default=django.utils.timezone.now),
+            model_name="document",
+            name="created",
+            field=models.DateTimeField(
+                db_index=True, default=django.utils.timezone.now
+            ),
         ),
         migrations.AlterField(
-            model_name='document',
-            name='modified',
+            model_name="document",
+            name="modified",
             field=models.DateTimeField(auto_now=True, db_index=True),
         ),
     ]