Fix formatting of project files using black

hooks/post_gen_project.py

@@ -32,10 +32,7 @@ DEBUG_VALUE = "debug"
 
 
 def remove_open_source_files():
-    file_names = [
-        "CONTRIBUTORS.txt",
-        "LICENSE",
-    ]
+    file_names = ["CONTRIBUTORS.txt", "LICENSE"]
     for file_name in file_names:
         os.remove(file_name)
 
@@ -71,7 +68,10 @@ def remove_utility_files():
 def remove_heroku_files():
     file_names = ["Procfile", "runtime.txt", "requirements.txt"]
     for file_name in file_names:
-        if file_name == "requirements.txt" and "{{ cookiecutter.use_travisci }}".lower() == "y":
+        if (
+            file_name == "requirements.txt"
+            and "{{ cookiecutter.use_travisci }}".lower() == "y"
+        ):
             # don't remove the file if we are using travisci but not using heroku
             continue
         os.remove(file_name)
@@ -183,11 +183,7 @@ def generate_postgres_user(debug=False):
 
 
 def set_postgres_user(file_path, value):
-    postgres_user = set_flag(
-        file_path,
-        "!!!SET POSTGRES_USER!!!",
-        value=value,
-    )
+    postgres_user = set_flag(file_path, "!!!SET POSTGRES_USER!!!", value=value)
     return postgres_user
 
 
@@ -205,9 +201,7 @@ def set_postgres_password(file_path, value=None):
 
 def set_celery_flower_user(file_path, value):
     celery_flower_user = set_flag(
-        file_path,
-        "!!!SET CELERY_FLOWER_USER!!!",
-        value=value,
+        file_path, "!!!SET CELERY_FLOWER_USER!!!", value=value
     )
     return celery_flower_user
 
@@ -230,11 +224,7 @@ def append_to_gitignore_file(s):
         gitignore_file.write(os.linesep)
 
 
-def set_flags_in_envs(
-    postgres_user,
-    celery_flower_user,
-    debug=False,
-):
+def set_flags_in_envs(postgres_user, celery_flower_user, debug=False):
     local_django_envs_path = os.path.join(".envs", ".local", ".django")
     production_django_envs_path = os.path.join(".envs", ".production", ".django")
     local_postgres_envs_path = os.path.join(".envs", ".local", ".postgres")
@@ -244,14 +234,22 @@ def set_flags_in_envs(
     set_django_admin_url(production_django_envs_path)
 
     set_postgres_user(local_postgres_envs_path, value=postgres_user)
-    set_postgres_password(local_postgres_envs_path, value=DEBUG_VALUE if debug else None)
+    set_postgres_password(
+        local_postgres_envs_path, value=DEBUG_VALUE if debug else None
+    )
     set_postgres_user(production_postgres_envs_path, value=postgres_user)
-    set_postgres_password(production_postgres_envs_path, value=DEBUG_VALUE if debug else None)
+    set_postgres_password(
+        production_postgres_envs_path, value=DEBUG_VALUE if debug else None
+    )
 
     set_celery_flower_user(local_django_envs_path, value=celery_flower_user)
-    set_celery_flower_password(local_django_envs_path, value=DEBUG_VALUE if debug else None)
+    set_celery_flower_password(
+        local_django_envs_path, value=DEBUG_VALUE if debug else None
+    )
     set_celery_flower_user(production_django_envs_path, value=celery_flower_user)
-    set_celery_flower_password(production_django_envs_path, value=DEBUG_VALUE if debug else None)
+    set_celery_flower_password(
+        production_django_envs_path, value=DEBUG_VALUE if debug else None
+    )
 
 
 def set_flags_in_settings_files():
@@ -302,8 +300,8 @@ def main():
         if "{{ cookiecutter.keep_local_envs_in_vcs }}".lower() == "y":
             print(
                 INFO + ".env(s) are only utilized when Docker Compose and/or "
-                       "Heroku support is enabled so keeping them does not "
-                       "make sense given your current setup." + TERMINATOR
+                "Heroku support is enabled so keeping them does not "
+                "make sense given your current setup." + TERMINATOR
             )
         remove_envs_and_associated_files()
     else:
@@ -325,10 +323,10 @@ def main():
                 "{{ cookiecutter.js_task_runner }}".lower().capitalize()
             )
             + "working together not supported yet. "
-              "You can continue using the generated project like you "
-              "normally would, however you would need to add a JS "
-              "task runner service to your Docker Compose configuration "
-              "manually." + TERMINATOR
+            "You can continue using the generated project like you "
+            "normally would, however you would need to add a JS "
+            "task runner service to your Docker Compose configuration "
+            "manually." + TERMINATOR
         )
 
     if "{{ cookiecutter.use_celery }}".lower() == "n":

hooks/pre_gen_project.py

@@ -18,11 +18,13 @@ SUCCESS = "\x1b[1;32m [SUCCESS]: "
 
 project_slug = "{{ cookiecutter.project_slug }}"
 if hasattr(project_slug, "isidentifier"):
-    assert project_slug.isidentifier(), "'{}' project slug is not a valid Python identifier.".format(
-        project_slug
-    )
+    assert (
+        project_slug.isidentifier()
+    ), "'{}' project slug is not a valid Python identifier.".format(project_slug)
 
-assert "\\" not in "{{ cookiecutter.author_name }}", "Don't include backslashes in author name."
+assert (
+    "\\" not in "{{ cookiecutter.author_name }}"
+), "Don't include backslashes in author name."
 
 if "{{ cookiecutter.use_docker }}".lower() == "n":
     python_major_version = sys.version_info[0]

tests/test_cookiecutter_generation.py

@@ -97,8 +97,8 @@ def test_travis_invokes_pytest(cookies, context):
     assert result.project.basename == context["project_slug"]
     assert result.project.isdir()
 
-    with open(f'{result.project}/.travis.yml', 'r') as travis_yml:
+    with open(f"{result.project}/.travis.yml", "r") as travis_yml:
         try:
-            assert yaml.load(travis_yml)['script'] == ['pytest']
+            assert yaml.load(travis_yml)["script"] == ["pytest"]
         except yaml.YAMLError as e:
             pytest.fail(e)