diff options
Diffstat (limited to 'django/db/models/fields/__init__.py')
| -rw-r--r-- | django/db/models/fields/__init__.py | 123 |
1 files changed, 64 insertions, 59 deletions
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py index d98319ef00..e0ad9f9a8c 100644 --- a/django/db/models/fields/__init__.py +++ b/django/db/models/fields/__init__.py @@ -626,68 +626,73 @@ class Field(RegisterLookupMixin): arguments over positional ones, and omit parameters with their default values. """ - # Short-form way of fetching all the default parameters + # Work out path - we shorten it for known Django core fields + path = f"{self.__class__.__module__}.{self.__class__.__qualname__}" + if path.startswith("django.db.models.fields."): + submodule, _, remainder = path.removeprefix( + "django.db.models.fields." + ).partition(".") + if submodule in ( + "related", + "files", + "generated", + "json", + "proxy", + "composite", + ): + path = f"django.db.models.{remainder}" + else: + path = "django.db.models" + path.removeprefix("django.db.models.fields") + + # Build keywords dict of non-default values keywords = {} - possibles = { - "verbose_name": None, - "primary_key": False, - "max_length": None, - "unique": False, - "blank": False, - "null": False, - "db_index": False, - "default": NOT_PROVIDED, - "db_default": NOT_PROVIDED, - "editable": True, - "serialize": True, - "unique_for_date": None, - "unique_for_month": None, - "unique_for_year": None, - "choices": None, - "help_text": "", - "db_column": None, - "db_comment": None, - "db_tablespace": None, - "auto_created": False, - "validators": [], - "error_messages": None, - } - attr_overrides = { - "unique": "_unique", - "error_messages": "_error_messages", - "validators": "_validators", - "verbose_name": "_verbose_name", - "db_tablespace": "_db_tablespace", - } - equals_comparison = {"choices", "validators"} - for name, default in possibles.items(): - value = getattr(self, attr_overrides.get(name, name)) + if (value := self._verbose_name) is not None: + keywords["verbose_name"] = value + if (value := self.primary_key) is not False: + keywords["primary_key"] = value + if (value := self.max_length) is not None: + keywords["max_length"] = value + if (value := self._unique) is not False: + keywords["unique"] = value + if (value := self.blank) is not False: + keywords["blank"] = value + if (value := self.null) is not False: + keywords["null"] = value + if (value := self.db_index) is not False: + keywords["db_index"] = value + if (value := self.default) is not NOT_PROVIDED: + keywords["default"] = value + if (value := self.db_default) is not NOT_PROVIDED: + keywords["db_default"] = value + if (value := self.editable) is not True: + keywords["editable"] = value + if (value := self.serialize) is not True: + keywords["serialize"] = value + if (value := self.unique_for_date) is not None: + keywords["unique_for_date"] = value + if (value := self.unique_for_month) is not None: + keywords["unique_for_month"] = value + if (value := self.unique_for_year) is not None: + keywords["unique_for_year"] = value + if (value := self.choices) is not None: if isinstance(value, CallableChoiceIterator): value = value.func - # Do correct kind of comparison - if name in equals_comparison: - if value != default: - keywords[name] = value - else: - if value is not default: - keywords[name] = value - # Work out path - we shorten it for known Django core fields - path = "%s.%s" % (self.__class__.__module__, self.__class__.__qualname__) - if path.startswith("django.db.models.fields.related"): - path = path.replace("django.db.models.fields.related", "django.db.models") - elif path.startswith("django.db.models.fields.files"): - path = path.replace("django.db.models.fields.files", "django.db.models") - elif path.startswith("django.db.models.fields.generated"): - path = path.replace("django.db.models.fields.generated", "django.db.models") - elif path.startswith("django.db.models.fields.json"): - path = path.replace("django.db.models.fields.json", "django.db.models") - elif path.startswith("django.db.models.fields.proxy"): - path = path.replace("django.db.models.fields.proxy", "django.db.models") - elif path.startswith("django.db.models.fields.composite"): - path = path.replace("django.db.models.fields.composite", "django.db.models") - elif path.startswith("django.db.models.fields"): - path = path.replace("django.db.models.fields", "django.db.models") - # Return basic info - other fields should override this. + keywords["choices"] = value + if (value := self.help_text) != "": + keywords["help_text"] = value + if (value := self.db_column) is not None: + keywords["db_column"] = value + if (value := self.db_comment) is not None: + keywords["db_comment"] = value + if (value := self._db_tablespace) is not None: + keywords["db_tablespace"] = value + if (value := self.auto_created) is not False: + keywords["auto_created"] = value + if (value := self._validators) != []: + keywords["validators"] = value + if (value := self._error_messages) is not None: + keywords["error_messages"] = value + return (self.name, path, [], keywords) def clone(self): |