Python django.db.migrations.operations.DeleteModel() Examples

The following are 12 code examples of django.db.migrations.operations.DeleteModel(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module django.db.migrations.operations , or try the search function .
Example #1
Source File: autodetector.py    From GTDWeb with GNU General Public License v2.0 6 votes vote down vote up 
def suggest_name(cls, ops):
        """
        Given a set of operations, suggests a name for the migration
        they might represent. Names are not guaranteed to be unique,
        but we put some effort in to the fallback name to avoid VCS conflicts
        if we can.
        """
        if len(ops) == 1:
            if isinstance(ops[0], operations.CreateModel):
                return ops[0].name_lower
            elif isinstance(ops[0], operations.DeleteModel):
                return "delete_%s" % ops[0].name_lower
            elif isinstance(ops[0], operations.AddField):
                return "%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
            elif isinstance(ops[0], operations.RemoveField):
                return "remove_%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
        elif len(ops) > 1:
            if all(isinstance(o, operations.CreateModel) for o in ops):
                return "_".join(sorted(o.name_lower for o in ops))
        return "auto_%s" % datetime.datetime.now().strftime("%Y%m%d_%H%M")
Example #2
Source File: autodetector.py    From bioforum with MIT License 6 votes vote down vote up 
def suggest_name(cls, ops):
        """
        Given a set of operations, suggest a name for the migration they might
        represent. Names are not guaranteed to be unique, but put some effort
        into the fallback name to avoid VCS conflicts if possible.
        """
        if len(ops) == 1:
            if isinstance(ops[0], operations.CreateModel):
                return ops[0].name_lower
            elif isinstance(ops[0], operations.DeleteModel):
                return "delete_%s" % ops[0].name_lower
            elif isinstance(ops[0], operations.AddField):
                return "%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
            elif isinstance(ops[0], operations.RemoveField):
                return "remove_%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
        elif len(ops) > 1:
            if all(isinstance(o, operations.CreateModel) for o in ops):
                return "_".join(sorted(o.name_lower for o in ops))
        return "auto_%s" % get_migration_name_timestamp()
Example #3
Source File: autodetector.py    From Hands-On-Application-Development-with-PyCharm with MIT License 6 votes vote down vote up 
def suggest_name(cls, ops):
        """
        Given a set of operations, suggest a name for the migration they might
        represent. Names are not guaranteed to be unique, but put some effort
        into the fallback name to avoid VCS conflicts if possible.
        """
        if len(ops) == 1:
            if isinstance(ops[0], operations.CreateModel):
                return ops[0].name_lower
            elif isinstance(ops[0], operations.DeleteModel):
                return "delete_%s" % ops[0].name_lower
            elif isinstance(ops[0], operations.AddField):
                return "%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
            elif isinstance(ops[0], operations.RemoveField):
                return "remove_%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
        elif ops:
            if all(isinstance(o, operations.CreateModel) for o in ops):
                return "_".join(sorted(o.name_lower for o in ops))
        return "auto_%s" % get_migration_name_timestamp()
Example #4
Source File: autodetector.py    From python with Apache License 2.0 6 votes vote down vote up 
def suggest_name(cls, ops):
        """
        Given a set of operations, suggests a name for the migration
        they might represent. Names are not guaranteed to be unique,
        but we put some effort in to the fallback name to avoid VCS conflicts
        if we can.
        """
        if len(ops) == 1:
            if isinstance(ops[0], operations.CreateModel):
                return ops[0].name_lower
            elif isinstance(ops[0], operations.DeleteModel):
                return "delete_%s" % ops[0].name_lower
            elif isinstance(ops[0], operations.AddField):
                return "%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
            elif isinstance(ops[0], operations.RemoveField):
                return "remove_%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
        elif len(ops) > 1:
            if all(isinstance(o, operations.CreateModel) for o in ops):
                return "_".join(sorted(o.name_lower for o in ops))
        return "auto_%s" % get_migration_name_timestamp()
Example #5
Source File: autodetector.py    From openhgsenti with Apache License 2.0 6 votes vote down vote up 
def suggest_name(cls, ops):
        """
        Given a set of operations, suggests a name for the migration
        they might represent. Names are not guaranteed to be unique,
        but we put some effort in to the fallback name to avoid VCS conflicts
        if we can.
        """
        if len(ops) == 1:
            if isinstance(ops[0], operations.CreateModel):
                return ops[0].name_lower
            elif isinstance(ops[0], operations.DeleteModel):
                return "delete_%s" % ops[0].name_lower
            elif isinstance(ops[0], operations.AddField):
                return "%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
            elif isinstance(ops[0], operations.RemoveField):
                return "remove_%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
        elif len(ops) > 1:
            if all(isinstance(o, operations.CreateModel) for o in ops):
                return "_".join(sorted(o.name_lower for o in ops))
        return "auto_%s" % datetime.datetime.now().strftime("%Y%m%d_%H%M")
Example #6
Source File: autodetector.py    From python2017 with MIT License 6 votes vote down vote up 
def suggest_name(cls, ops):
        """
        Given a set of operations, suggests a name for the migration
        they might represent. Names are not guaranteed to be unique,
        but we put some effort in to the fallback name to avoid VCS conflicts
        if we can.
        """
        if len(ops) == 1:
            if isinstance(ops[0], operations.CreateModel):
                return ops[0].name_lower
            elif isinstance(ops[0], operations.DeleteModel):
                return "delete_%s" % ops[0].name_lower
            elif isinstance(ops[0], operations.AddField):
                return "%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
            elif isinstance(ops[0], operations.RemoveField):
                return "remove_%s_%s" % (ops[0].model_name_lower, ops[0].name_lower)
        elif len(ops) > 1:
            if all(isinstance(o, operations.CreateModel) for o in ops):
                return "_".join(sorted(o.name_lower for o in ops))
        return "auto_%s" % get_migration_name_timestamp()
Example #7
Source File: autodetector.py    From GTDWeb with GNU General Public License v2.0 5 votes vote down vote up 
def generate_deleted_proxies(self):
        """
        Makes DeleteModel statements for proxy models.
        """
        deleted = set(self.old_proxy_keys) - set(self.new_proxy_keys)
        for app_label, model_name in sorted(deleted):
            model_state = self.from_state.models[app_label, model_name]
            assert model_state.options.get("proxy", False)
            self.add_operation(
                app_label,
                operations.DeleteModel(
                    name=model_state.name,
                ),
            )
Example #8
Source File: autodetector.py    From bioforum with MIT License 5 votes vote down vote up 
def generate_deleted_proxies(self):
        """Make DeleteModel options for proxy models."""
        deleted = self.old_proxy_keys - self.new_proxy_keys
        for app_label, model_name in sorted(deleted):
            model_state = self.from_state.models[app_label, model_name]
            assert model_state.options.get("proxy")
            self.add_operation(
                app_label,
                operations.DeleteModel(
                    name=model_state.name,
                ),
            )
Example #9
Source File: autodetector.py    From Hands-On-Application-Development-with-PyCharm with MIT License 5 votes vote down vote up 
def generate_deleted_proxies(self):
        """Make DeleteModel options for proxy models."""
        deleted = self.old_proxy_keys - self.new_proxy_keys
        for app_label, model_name in sorted(deleted):
            model_state = self.from_state.models[app_label, model_name]
            assert model_state.options.get("proxy")
            self.add_operation(
                app_label,
                operations.DeleteModel(
                    name=model_state.name,
                ),
            )
Example #10
Source File: autodetector.py    From python with Apache License 2.0 5 votes vote down vote up 
def generate_deleted_proxies(self):
        """
        Makes DeleteModel statements for proxy models.
        """
        deleted = set(self.old_proxy_keys) - set(self.new_proxy_keys)
        for app_label, model_name in sorted(deleted):
            model_state = self.from_state.models[app_label, model_name]
            assert model_state.options.get("proxy")
            self.add_operation(
                app_label,
                operations.DeleteModel(
                    name=model_state.name,
                ),
            )
Example #11
Source File: autodetector.py    From openhgsenti with Apache License 2.0 5 votes vote down vote up 
def generate_deleted_proxies(self):
        """
        Makes DeleteModel statements for proxy models.
        """
        deleted = set(self.old_proxy_keys) - set(self.new_proxy_keys)
        for app_label, model_name in sorted(deleted):
            model_state = self.from_state.models[app_label, model_name]
            assert model_state.options.get("proxy")
            self.add_operation(
                app_label,
                operations.DeleteModel(
                    name=model_state.name,
                ),
            )
Example #12
Source File: autodetector.py    From python2017 with MIT License 5 votes vote down vote up 
def generate_deleted_proxies(self):
        """
        Makes DeleteModel statements for proxy models.
        """
        deleted = set(self.old_proxy_keys) - set(self.new_proxy_keys)
        for app_label, model_name in sorted(deleted):
            model_state = self.from_state.models[app_label, model_name]
            assert model_state.options.get("proxy")
            self.add_operation(
                app_label,
                operations.DeleteModel(
                    name=model_state.name,
                ),
            )