support python 3.7

fix new pep8 stype

.travis.yml

@@ -1,11 +1,13 @@
 language: python
-sudo: false
+dist: xenial
+sudo: true
 cache:
   pip: true
   yarn: true
 python:
   - "3.5"
   - "3.6"
+  - "3.7"
 env:
   - TRAVIS_NODE_VERSION="10.5"
 before_install:

CHANGELOG.rst

@@ -17,6 +17,7 @@ Motions:
  - New table of contents with page numbers and categories in PDF [#3766].
  - Updated pdfMake to 0.1.37 [#3766].
  - Python 3.4 is not supported anymore [#3777].
+ - Support Python 3.7.
 
 
 Version 2.2 (2018-06-06)

openslides/core/config.py

@@ -253,10 +253,10 @@ class ConfigVariable:
     the value during setup of the database if the admin uses the respective
     command line option.
     """
-    def __init__(self, name: str, default_value: T, input_type: str='string',
-                 label: str=None, help_text: str=None, choices: ChoiceCallableType=None,
-                 hidden: bool=False, weight: int=0, group: str=None, subgroup: str=None,
-                 validators: ValidatorsType=None, on_change: OnChangeType=None) -> None:
+    def __init__(self, name: str, default_value: T, input_type: str = 'string',
+                 label: str = None, help_text: str = None, choices: ChoiceCallableType = None,
+                 hidden: bool = False, weight: int = 0, group: str = None, subgroup: str = None,
+                 validators: ValidatorsType = None, on_change: OnChangeType = None) -> None:
         if input_type not in INPUT_TYPE_MAPPING:
             raise ValueError(_('Invalid value for config attribute input_type.'))
         if input_type == 'choice' and choices is None:

openslides/core/migrations/0008_changed_logo_fields.py

@@ -42,6 +42,7 @@ def move_old_logo_settings(apps, schema_editor):
             logo_pdf_L = ConfigStore.objects.get(key=new_value_key)
         except ConfigStore.DoesNotExist:
             logo_pdf_L = ConfigStore(key=new_value_key)
+            logo_pdf_L.value = {}
 
         # Move the path to the new configentry
         logo_pdf_L.value['path'] = logo_pdf.value.get('path', '')

openslides/motions/projector.py

@@ -43,7 +43,7 @@ class MotionSlide(ProjectorElement):
         Keep the motion_syntax syncronized with the MotionStateAndRecommendationParser on the client.
         """
         # get the comments field for state and recommendation
-        motion_syntax = re.compile('\[motion:(\d+)\]')
+        motion_syntax = re.compile(r'\[motion:(\d+)\]')
         fields = config['motions_comments']
         state_field_id = None
         recommendation_field_id = None

openslides/utils/access_permissions.py

@@ -20,7 +20,7 @@ class BaseAccessPermissions:
         """
         return False
 
-    def get_serializer_class(self, user: CollectionElement=None) -> Serializer:
+    def get_serializer_class(self, user: CollectionElement = None) -> Serializer:
         """
         Returns different serializer classes according to users permissions.
 

openslides/utils/autoupdate.py

@@ -374,7 +374,7 @@ def to_ordered_dict(d: Optional[Dict]) -> Optional[OrderedDict]:
     return result
 
 
-def inform_changed_data(instances: Union[Iterable[Model], Model], information: Dict[str, Any]=None) -> None:
+def inform_changed_data(instances: Union[Iterable[Model], Model], information: Dict[str, Any] = None) -> None:
     """
     Informs the autoupdate system and the caching system about the creation or
     update of an element. This is done via the AutoupdateBundleMiddleware.
@@ -404,7 +404,7 @@ def inform_changed_data(instances: Union[Iterable[Model], Model], information: D
             bundle[key] = collection_element
 
 
-def inform_deleted_data(elements: Iterable[Tuple[str, int]], information: Dict[str, Any]=None) -> None:
+def inform_deleted_data(elements: Iterable[Tuple[str, int]], information: Dict[str, Any] = None) -> None:
     """
     Informs the autoupdate system and the caching system about the deletion of
     elements. This is done via the AutoupdateBundleMiddleware.
@@ -426,7 +426,7 @@ def inform_deleted_data(elements: Iterable[Tuple[str, int]], information: Dict[s
 
 
 def inform_data_collection_element_list(collection_elements: List[CollectionElement],
-                                        information: Dict[str, Any]=None) -> None:
+                                        information: Dict[str, Any] = None) -> None:
     """
     Informs the autoupdate system about some collection elements. This is
     used just to send some data to all users.

openslides/utils/collection.py

@@ -51,8 +51,8 @@ ChannelMessageFormat = TypedDict(
 
 
 class CollectionElement:
-    def __init__(self, instance: Model=None, deleted: bool=False, collection_string: str=None,
-                 id: int=None, full_data: Dict[str, Any]=None, information: Dict[str, Any]=None) -> None:
+    def __init__(self, instance: Model = None, deleted: bool = False, collection_string: str = None,
+                 id: int = None, full_data: Dict[str, Any] = None, information: Dict[str, Any] = None) -> None:
         """
         Do not use this. Use the methods from_instance() or from_values().
         """
@@ -86,7 +86,7 @@ class CollectionElement:
             self.get_full_data()
 
     @classmethod
-    def from_instance(cls, instance: Model, deleted: bool=False, information: Dict[str, Any]=None) -> 'CollectionElement':
+    def from_instance(cls, instance: Model, deleted: bool = False, information: Dict[str, Any] = None) -> 'CollectionElement':
         """
         Returns a collection element from a database instance.
 
@@ -97,8 +97,8 @@ class CollectionElement:
         return cls(instance=instance, deleted=deleted, information=information)
 
     @classmethod
-    def from_values(cls, collection_string: str, id: int, deleted: bool=False,
-                    full_data: Dict[str, Any]=None, information: Dict[str, Any]=None) -> 'CollectionElement':
+    def from_values(cls, collection_string: str, id: int, deleted: bool = False,
+                    full_data: Dict[str, Any] = None, information: Dict[str, Any] = None) -> 'CollectionElement':
         """
         Returns a collection element from a collection_string and an id.
 
@@ -210,7 +210,7 @@ class Collection:
     Represents all elements of one collection.
     """
 
-    def __init__(self, collection_string: str, full_data: List[Dict[str, Any]]=None) -> None:
+    def __init__(self, collection_string: str, full_data: List[Dict[str, Any]] = None) -> None:
         """
         Initiates a Collection. A collection_string has to be given. If
         full_data (a list of dictionaries) is not given the method
@@ -295,7 +295,7 @@ def get_model_from_collection_string(collection_string: str) -> Type[Model]:
     return model
 
 
-def format_for_autoupdate(collection_string: str, id: int, action: str, data: Dict[str, Any]=None) -> AutoupdateFormat:
+def format_for_autoupdate(collection_string: str, id: int, action: str, data: Dict[str, Any] = None) -> AutoupdateFormat:
     """
     Returns a dict that can be used for autoupdate.
     """

openslides/utils/main.py

@@ -60,7 +60,7 @@ def detect_openslides_type() -> str:
     return openslides_type
 
 
-def get_default_settings_dir(openslides_type: str=None) -> str:
+def get_default_settings_dir(openslides_type: str = None) -> str:
     """
     Returns the default settings path according to the OpenSlides type.
 
@@ -91,7 +91,7 @@ def get_local_settings_dir() -> str:
     return os.path.join('personal_data', 'var')
 
 
-def setup_django_settings_module(settings_path: str =None, local_installation: bool=False) -> None:
+def setup_django_settings_module(settings_path: str = None, local_installation: bool = False) -> None:
     """
     Sets the environment variable ENVIRONMENT_VARIABLE, that means
     'DJANGO_SETTINGS_MODULE', to the given settings.
@@ -131,7 +131,7 @@ def setup_django_settings_module(settings_path: str =None, local_installation: b
     os.environ[ENVIRONMENT_VARIABLE] = settings_module_name
 
 
-def get_default_settings_context(user_data_dir: str=None) -> Dict[str, str]:
+def get_default_settings_context(user_data_dir: str = None) -> Dict[str, str]:
     """
     Returns the default context values for the settings template:
     'openslides_user_data_path', 'import_function' and 'debug'.
@@ -227,7 +227,7 @@ def get_win32_portable_user_data_dir() -> str:
     return os.path.join(get_win32_portable_dir(), 'openslides')
 
 
-def write_settings(settings_dir: str=None, settings_filename: str='settings.py', template: str=None, **context: str) -> str:
+def write_settings(settings_dir: str = None, settings_filename: str = 'settings.py', template: str = None, **context: str) -> str:
     """
     Creates the settings file at the given dir using the given values for the
     file template.

openslides/utils/models.py

@@ -12,7 +12,7 @@ class MinMaxIntegerField(models.IntegerField):
     IntegerField with options to set a min- and a max-value.
     """
 
-    def __init__(self, min_value: int=None, max_value: int=None, *args: Any, **kwargs: Any) -> None:
+    def __init__(self, min_value: int = None, max_value: int = None, *args: Any, **kwargs: Any) -> None:
         self.min_value, self.max_value = min_value, max_value
         super(MinMaxIntegerField, self).__init__(*args, **kwargs)
 
@@ -67,7 +67,7 @@ class RESTModelMixin:
         """
         return self.pk  # type: ignore
 
-    def save(self, skip_autoupdate: bool=False, information: Dict[str, str]=None, *args: Any, **kwargs: Any) -> Any:
+    def save(self, skip_autoupdate: bool = False, information: Dict[str, str] = None, *args: Any, **kwargs: Any) -> Any:
         """
         Calls Django's save() method and afterwards hits the autoupdate system.
 
@@ -88,7 +88,7 @@ class RESTModelMixin:
             inform_changed_data(self.get_root_rest_element(), information=information)
         return return_value
 
-    def delete(self, skip_autoupdate: bool=False, information: Dict[str, str]=None, *args: Any, **kwargs: Any) -> Any:
+    def delete(self, skip_autoupdate: bool = False, information: Dict[str, str] = None, *args: Any, **kwargs: Any) -> Any:
         """
         Calls Django's delete() method and afterwards hits the autoupdate system.
 

requirements.txt

@@ -3,7 +3,9 @@
 
 # Requirements for development and tests in alphabetical order
 coverage
-flake8
+#flake8
+# Use master of flake8 until flake8 3.6 is released that supports python3.7
+git+https://gitlab.com/pycqa/flake8.git
 isort==4.2.5
 mypy
 fakeredis

requirements_production.txt

@@ -2,9 +2,9 @@
 bleach>=1.5.0,<2.2
 channels>=1.1,<1.2
 daphne<2
-Django>=1.10.4,<2.1
+Django>=1.10.4,<2.2
 djangorestframework>=3.4,<3.9
-jsonfield>=1.0,<2.1
+jsonfield2>=3.0,<3.1
 mypy_extensions>=0.3,<0.4
 PyPDF2>=1.26,<1.27
 roman>=2.0,<3.1

setup.py

@@ -28,13 +28,14 @@ setup(
         # http://pypi.python.org/pypi?%3Aaction=list_classifiers
         # 'Development Status :: 3 - Alpha',
         'Development Status :: 4 - Beta',
-        #'Development Status :: 5 - Production/Stable',
+        # 'Development Status :: 5 - Production/Stable',
         'Environment :: Web Environment',
         'Framework :: Django',
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6', ],
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7', ],
     packages=find_packages(exclude=['tests', 'tests.*']),
     include_package_data=True,
     install_requires=install_requires,