Mark private API with an underscore

The AiiDA public API has been defined in the documentation as every import that can be done from a secondary level. This is however not transparent to users and plugin developers as it is hidden in the doc resulting in a lot of misuse of private functionalities. The widespread use of these private functionalities blocks improvements in the code as we are more hesitant in changing functionalities for wrong backwards compatibility. This PR marks clearly the internal functioanlities with an underscore so a misuse only can happen intentionally. This gives us the opportunity to improve the public API as we can implement replacements for functionalities in the private API that are widely used.
aiidateam · Nov 25, 2024 · 035b644 · 035b644
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diff --git a/src/aiida/__init__.py b/src/aiida/__init__.py
@@ -19,8 +19,8 @@
 More information at http://www.aiida.net
 """
 
-from aiida.common.log import configure_logging  # noqa: F401
-from aiida.manage.configuration import get_config_option, get_profile, load_profile, profile_context  # noqa: F401
+from aiida.common._log import configure_logging  # noqa: F401
+from aiida.manage._configuration import get_config_option, get_profile, load_profile, profile_context  # noqa: F401
 
 __copyright__ = (
     'Copyright (c), This file is part of the AiiDA platform. '

diff --git a/src/aiida/__main__.py b/src/aiida/__main__.py
@@ -11,6 +11,6 @@
 import sys
 
 if __name__ == '__main__':
-    from aiida.cmdline.commands.cmd_verdi import verdi
+    from aiida.cmdline._commands.cmd_verdi import verdi
 
     sys.exit(verdi())
diff --git a/src/aiida/brokers/__init__.py b/src/aiida/brokers/__init__.py
@@ -1,3 +1,3 @@
-from .broker import Broker
+from ._broker import Broker
 
 __all__ = ('Broker',)
diff --git a/src/aiida/brokers/broker.py → src/aiida/brokers/_broker.py b/src/aiida/brokers/broker.py → src/aiida/brokers/_broker.py
diff --git a/src/aiida/brokers/rabbitmq/__init__.py → src/aiida/brokers/_rabbitmq/__init__.py b/src/aiida/brokers/rabbitmq/__init__.py → src/aiida/brokers/_rabbitmq/__init__.py
diff --git a/src/aiida/brokers/rabbitmq/broker.py → src/aiida/brokers/_rabbitmq/broker.py b/src/aiida/brokers/rabbitmq/broker.py → src/aiida/brokers/_rabbitmq/broker.py
diff --git a/src/aiida/brokers/rabbitmq/client.py → src/aiida/brokers/_rabbitmq/client.py b/src/aiida/brokers/rabbitmq/client.py → src/aiida/brokers/_rabbitmq/client.py
diff --git a/src/aiida/brokers/rabbitmq/defaults.py → src/aiida/brokers/_rabbitmq/defaults.py b/src/aiida/brokers/rabbitmq/defaults.py → src/aiida/brokers/_rabbitmq/defaults.py
diff --git a/src/aiida/brokers/rabbitmq/utils.py → src/aiida/brokers/_rabbitmq/utils.py b/src/aiida/brokers/rabbitmq/utils.py → src/aiida/brokers/_rabbitmq/utils.py
diff --git a/...aiida/calculations/arithmetic/__init__.py → ...iida/calculations/_arithmetic/__init__.py b/...aiida/calculations/arithmetic/__init__.py → ...iida/calculations/_arithmetic/__init__.py
diff --git a/src/aiida/calculations/arithmetic/add.py → src/aiida/calculations/_arithmetic/add.py b/src/aiida/calculations/arithmetic/add.py → src/aiida/calculations/_arithmetic/add.py
diff --git a/...alculations/diff_tutorial/calculations.py → ...lculations/_diff_tutorial/calculations.py b/...alculations/diff_tutorial/calculations.py → ...lculations/_diff_tutorial/calculations.py
diff --git a/src/aiida/calculations/importers/__init__.py → ...aiida/calculations/_importers/__init__.py b/src/aiida/calculations/importers/__init__.py → ...aiida/calculations/_importers/__init__.py
diff --git a/...ulations/importers/arithmetic/__init__.py → ...lations/_importers/arithmetic/__init__.py b/...ulations/importers/arithmetic/__init__.py → ...lations/_importers/arithmetic/__init__.py
diff --git a/.../calculations/importers/arithmetic/add.py → ...calculations/_importers/arithmetic/add.py b/.../calculations/importers/arithmetic/add.py → ...calculations/_importers/arithmetic/add.py
diff --git a/src/aiida/calculations/monitors/__init__.py → src/aiida/calculations/_monitors/__init__.py b/src/aiida/calculations/monitors/__init__.py → src/aiida/calculations/_monitors/__init__.py
diff --git a/src/aiida/calculations/monitors/base.py → src/aiida/calculations/_monitors/base.py b/src/aiida/calculations/monitors/base.py → src/aiida/calculations/_monitors/base.py
diff --git a/src/aiida/calculations/templatereplacer.py → src/aiida/calculations/_templatereplacer.py b/src/aiida/calculations/templatereplacer.py → src/aiida/calculations/_templatereplacer.py
diff --git a/src/aiida/calculations/transfer.py → src/aiida/calculations/_transfer.py b/src/aiida/calculations/transfer.py → src/aiida/calculations/_transfer.py
diff --git a/src/aiida/cmdline/__init__.py b/src/aiida/cmdline/__init__.py
@@ -12,9 +12,9 @@
 
 # fmt: off
 
-from .groups import *
-from .params import *
-from .utils import *
+from ._groups import *
+from ._params import *
+from ._utils import *
 
 __all__ = (
     'AbsolutePathParamType',

diff --git a/src/aiida/cmdline/commands/__init__.py → src/aiida/cmdline/_commands/__init__.py b/src/aiida/cmdline/commands/__init__.py → src/aiida/cmdline/_commands/__init__.py
diff --git a/src/aiida/cmdline/commands/cmd_archive.py → src/aiida/cmdline/_commands/cmd_archive.py b/src/aiida/cmdline/commands/cmd_archive.py → src/aiida/cmdline/_commands/cmd_archive.py
diff --git a/src/aiida/cmdline/commands/cmd_calcjob.py → src/aiida/cmdline/_commands/cmd_calcjob.py b/src/aiida/cmdline/commands/cmd_calcjob.py → src/aiida/cmdline/_commands/cmd_calcjob.py
diff --git a/src/aiida/cmdline/commands/cmd_code.py → src/aiida/cmdline/_commands/cmd_code.py b/src/aiida/cmdline/commands/cmd_code.py → src/aiida/cmdline/_commands/cmd_code.py
diff --git a/src/aiida/cmdline/commands/cmd_computer.py → src/aiida/cmdline/_commands/cmd_computer.py b/src/aiida/cmdline/commands/cmd_computer.py → src/aiida/cmdline/_commands/cmd_computer.py
diff --git a/src/aiida/cmdline/commands/cmd_config.py → src/aiida/cmdline/_commands/cmd_config.py b/src/aiida/cmdline/commands/cmd_config.py → src/aiida/cmdline/_commands/cmd_config.py
diff --git a/src/aiida/cmdline/commands/cmd_daemon.py → src/aiida/cmdline/_commands/cmd_daemon.py b/src/aiida/cmdline/commands/cmd_daemon.py → src/aiida/cmdline/_commands/cmd_daemon.py
diff --git a/...ida/cmdline/commands/cmd_data/__init__.py → ...da/cmdline/_commands/cmd_data/__init__.py b/...ida/cmdline/commands/cmd_data/__init__.py → ...da/cmdline/_commands/cmd_data/__init__.py
diff --git a/...da/cmdline/commands/cmd_data/cmd_array.py → ...a/cmdline/_commands/cmd_data/cmd_array.py b/...da/cmdline/commands/cmd_data/cmd_array.py → ...a/cmdline/_commands/cmd_data/cmd_array.py
diff --git a/...da/cmdline/commands/cmd_data/cmd_bands.py → ...a/cmdline/_commands/cmd_data/cmd_bands.py b/...da/cmdline/commands/cmd_data/cmd_bands.py → ...a/cmdline/_commands/cmd_data/cmd_bands.py
diff --git a/...iida/cmdline/commands/cmd_data/cmd_cif.py → ...ida/cmdline/_commands/cmd_data/cmd_cif.py b/...iida/cmdline/commands/cmd_data/cmd_cif.py → ...ida/cmdline/_commands/cmd_data/cmd_cif.py
diff --git a/...ida/cmdline/commands/cmd_data/cmd_dict.py → ...da/cmdline/_commands/cmd_data/cmd_dict.py b/...ida/cmdline/commands/cmd_data/cmd_dict.py → ...da/cmdline/_commands/cmd_data/cmd_dict.py
diff --git a/...a/cmdline/commands/cmd_data/cmd_export.py → .../cmdline/_commands/cmd_data/cmd_export.py b/...a/cmdline/commands/cmd_data/cmd_export.py → .../cmdline/_commands/cmd_data/cmd_export.py
diff --git a/...ida/cmdline/commands/cmd_data/cmd_list.py → ...da/cmdline/_commands/cmd_data/cmd_list.py b/...ida/cmdline/commands/cmd_data/cmd_list.py → ...da/cmdline/_commands/cmd_data/cmd_list.py
diff --git a/...a/cmdline/commands/cmd_data/cmd_remote.py → .../cmdline/_commands/cmd_data/cmd_remote.py b/...a/cmdline/commands/cmd_data/cmd_remote.py → .../cmdline/_commands/cmd_data/cmd_remote.py
diff --git a/...ida/cmdline/commands/cmd_data/cmd_show.py → ...da/cmdline/_commands/cmd_data/cmd_show.py b/...ida/cmdline/commands/cmd_data/cmd_show.py → ...da/cmdline/_commands/cmd_data/cmd_show.py
diff --git a/...dline/commands/cmd_data/cmd_singlefile.py → ...line/_commands/cmd_data/cmd_singlefile.py b/...dline/commands/cmd_data/cmd_singlefile.py → ...line/_commands/cmd_data/cmd_singlefile.py
diff --git a/...mdline/commands/cmd_data/cmd_structure.py → ...dline/_commands/cmd_data/cmd_structure.py b/...mdline/commands/cmd_data/cmd_structure.py → ...dline/_commands/cmd_data/cmd_structure.py
diff --git a/...dline/commands/cmd_data/cmd_trajectory.py → ...line/_commands/cmd_data/cmd_trajectory.py b/...dline/commands/cmd_data/cmd_trajectory.py → ...line/_commands/cmd_data/cmd_trajectory.py
diff --git a/...iida/cmdline/commands/cmd_data/cmd_upf.py → ...ida/cmdline/_commands/cmd_data/cmd_upf.py b/...iida/cmdline/commands/cmd_data/cmd_upf.py → ...ida/cmdline/_commands/cmd_data/cmd_upf.py
diff --git a/src/aiida/cmdline/commands/cmd_devel.py → src/aiida/cmdline/_commands/cmd_devel.py b/src/aiida/cmdline/commands/cmd_devel.py → src/aiida/cmdline/_commands/cmd_devel.py
diff --git a/src/aiida/cmdline/commands/cmd_group.py → src/aiida/cmdline/_commands/cmd_group.py b/src/aiida/cmdline/commands/cmd_group.py → src/aiida/cmdline/_commands/cmd_group.py
diff --git a/src/aiida/cmdline/commands/cmd_help.py → src/aiida/cmdline/_commands/cmd_help.py b/src/aiida/cmdline/commands/cmd_help.py → src/aiida/cmdline/_commands/cmd_help.py
diff --git a/src/aiida/cmdline/commands/cmd_node.py → src/aiida/cmdline/_commands/cmd_node.py b/src/aiida/cmdline/commands/cmd_node.py → src/aiida/cmdline/_commands/cmd_node.py
diff --git a/src/aiida/cmdline/commands/cmd_plugin.py → src/aiida/cmdline/_commands/cmd_plugin.py b/src/aiida/cmdline/commands/cmd_plugin.py → src/aiida/cmdline/_commands/cmd_plugin.py
diff --git a/src/aiida/cmdline/commands/cmd_presto.py → src/aiida/cmdline/_commands/cmd_presto.py b/src/aiida/cmdline/commands/cmd_presto.py → src/aiida/cmdline/_commands/cmd_presto.py
diff --git a/src/aiida/cmdline/commands/cmd_process.py → src/aiida/cmdline/_commands/cmd_process.py b/src/aiida/cmdline/commands/cmd_process.py → src/aiida/cmdline/_commands/cmd_process.py
diff --git a/src/aiida/cmdline/commands/cmd_profile.py → src/aiida/cmdline/_commands/cmd_profile.py b/src/aiida/cmdline/commands/cmd_profile.py → src/aiida/cmdline/_commands/cmd_profile.py
diff --git a/src/aiida/cmdline/commands/cmd_rabbitmq.py → src/aiida/cmdline/_commands/cmd_rabbitmq.py b/src/aiida/cmdline/commands/cmd_rabbitmq.py → src/aiida/cmdline/_commands/cmd_rabbitmq.py
diff --git a/src/aiida/cmdline/commands/cmd_restapi.py → src/aiida/cmdline/_commands/cmd_restapi.py b/src/aiida/cmdline/commands/cmd_restapi.py → src/aiida/cmdline/_commands/cmd_restapi.py
diff --git a/src/aiida/cmdline/commands/cmd_run.py → src/aiida/cmdline/_commands/cmd_run.py b/src/aiida/cmdline/commands/cmd_run.py → src/aiida/cmdline/_commands/cmd_run.py
diff --git a/src/aiida/cmdline/commands/cmd_setup.py → src/aiida/cmdline/_commands/cmd_setup.py b/src/aiida/cmdline/commands/cmd_setup.py → src/aiida/cmdline/_commands/cmd_setup.py
diff --git a/src/aiida/cmdline/commands/cmd_shell.py → src/aiida/cmdline/_commands/cmd_shell.py b/src/aiida/cmdline/commands/cmd_shell.py → src/aiida/cmdline/_commands/cmd_shell.py
diff --git a/src/aiida/cmdline/commands/cmd_status.py → src/aiida/cmdline/_commands/cmd_status.py b/src/aiida/cmdline/commands/cmd_status.py → src/aiida/cmdline/_commands/cmd_status.py
diff --git a/src/aiida/cmdline/commands/cmd_storage.py → src/aiida/cmdline/_commands/cmd_storage.py b/src/aiida/cmdline/commands/cmd_storage.py → src/aiida/cmdline/_commands/cmd_storage.py
diff --git a/src/aiida/cmdline/commands/cmd_user.py → src/aiida/cmdline/_commands/cmd_user.py b/src/aiida/cmdline/commands/cmd_user.py → src/aiida/cmdline/_commands/cmd_user.py
diff --git a/src/aiida/cmdline/commands/cmd_verdi.py → src/aiida/cmdline/_commands/cmd_verdi.py b/src/aiida/cmdline/commands/cmd_verdi.py → src/aiida/cmdline/_commands/cmd_verdi.py
diff --git a/src/aiida/cmdline/groups/__init__.py → src/aiida/cmdline/_groups/__init__.py b/src/aiida/cmdline/groups/__init__.py → src/aiida/cmdline/_groups/__init__.py
diff --git a/src/aiida/cmdline/groups/dynamic.py → src/aiida/cmdline/_groups/dynamic.py b/src/aiida/cmdline/groups/dynamic.py → src/aiida/cmdline/_groups/dynamic.py
diff --git a/src/aiida/cmdline/groups/verdi.py → src/aiida/cmdline/_groups/verdi.py b/src/aiida/cmdline/groups/verdi.py → src/aiida/cmdline/_groups/verdi.py
diff --git a/src/aiida/cmdline/params/__init__.py → src/aiida/cmdline/_params/__init__.py b/src/aiida/cmdline/params/__init__.py → src/aiida/cmdline/_params/__init__.py
diff --git a/...iida/cmdline/params/arguments/__init__.py → ...ida/cmdline/_params/arguments/__init__.py b/...iida/cmdline/params/arguments/__init__.py → ...ida/cmdline/_params/arguments/__init__.py
diff --git a/src/aiida/cmdline/params/arguments/main.py → src/aiida/cmdline/_params/arguments/main.py b/src/aiida/cmdline/params/arguments/main.py → src/aiida/cmdline/_params/arguments/main.py
diff --git a/...a/cmdline/params/arguments/overridable.py → .../cmdline/_params/arguments/overridable.py b/...a/cmdline/params/arguments/overridable.py → .../cmdline/_params/arguments/overridable.py
diff --git a/src/aiida/cmdline/params/options/__init__.py → ...aiida/cmdline/_params/options/__init__.py b/src/aiida/cmdline/params/options/__init__.py → ...aiida/cmdline/_params/options/__init__.py
diff --git a/src/aiida/cmdline/params/options/callable.py → ...aiida/cmdline/_params/options/callable.py b/src/aiida/cmdline/params/options/callable.py → ...aiida/cmdline/_params/options/callable.py
diff --git a/...dline/params/options/commands/__init__.py → ...line/_params/options/commands/__init__.py b/...dline/params/options/commands/__init__.py → ...line/_params/options/commands/__init__.py
diff --git a/...a/cmdline/params/options/commands/code.py → .../cmdline/_params/options/commands/code.py b/...a/cmdline/params/options/commands/code.py → .../cmdline/_params/options/commands/code.py
diff --git a/...dline/params/options/commands/computer.py → ...line/_params/options/commands/computer.py b/...dline/params/options/commands/computer.py → ...line/_params/options/commands/computer.py
diff --git a/.../cmdline/params/options/commands/setup.py → ...cmdline/_params/options/commands/setup.py b/.../cmdline/params/options/commands/setup.py → ...cmdline/_params/options/commands/setup.py
diff --git a/...ida/cmdline/params/options/conditional.py → ...da/cmdline/_params/options/conditional.py b/...ida/cmdline/params/options/conditional.py → ...da/cmdline/_params/options/conditional.py
diff --git a/src/aiida/cmdline/params/options/config.py → src/aiida/cmdline/_params/options/config.py b/src/aiida/cmdline/params/options/config.py → src/aiida/cmdline/_params/options/config.py
diff --git a/...ida/cmdline/params/options/interactive.py → ...da/cmdline/_params/options/interactive.py b/...ida/cmdline/params/options/interactive.py → ...da/cmdline/_params/options/interactive.py
diff --git a/src/aiida/cmdline/params/options/main.py → src/aiida/cmdline/_params/options/main.py b/src/aiida/cmdline/params/options/main.py → src/aiida/cmdline/_params/options/main.py
diff --git a/...iida/cmdline/params/options/multivalue.py → ...ida/cmdline/_params/options/multivalue.py b/...iida/cmdline/params/options/multivalue.py → ...ida/cmdline/_params/options/multivalue.py
diff --git a/...ida/cmdline/params/options/overridable.py → ...da/cmdline/_params/options/overridable.py b/...ida/cmdline/params/options/overridable.py → ...da/cmdline/_params/options/overridable.py
diff --git a/src/aiida/cmdline/params/types/__init__.py → src/aiida/cmdline/_params/types/__init__.py b/src/aiida/cmdline/params/types/__init__.py → src/aiida/cmdline/_params/types/__init__.py
diff --git a/...aiida/cmdline/params/types/calculation.py → ...iida/cmdline/_params/types/calculation.py b/...aiida/cmdline/params/types/calculation.py → ...iida/cmdline/_params/types/calculation.py
diff --git a/src/aiida/cmdline/params/types/choice.py → src/aiida/cmdline/_params/types/choice.py b/src/aiida/cmdline/params/types/choice.py → src/aiida/cmdline/_params/types/choice.py
diff --git a/src/aiida/cmdline/params/types/code.py → src/aiida/cmdline/_params/types/code.py b/src/aiida/cmdline/params/types/code.py → src/aiida/cmdline/_params/types/code.py
diff --git a/src/aiida/cmdline/params/types/computer.py → src/aiida/cmdline/_params/types/computer.py b/src/aiida/cmdline/params/types/computer.py → src/aiida/cmdline/_params/types/computer.py
diff --git a/src/aiida/cmdline/params/types/config.py → src/aiida/cmdline/_params/types/config.py b/src/aiida/cmdline/params/types/config.py → src/aiida/cmdline/_params/types/config.py
diff --git a/src/aiida/cmdline/params/types/data.py → src/aiida/cmdline/_params/types/data.py b/src/aiida/cmdline/params/types/data.py → src/aiida/cmdline/_params/types/data.py
diff --git a/src/aiida/cmdline/params/types/group.py → src/aiida/cmdline/_params/types/group.py b/src/aiida/cmdline/params/types/group.py → src/aiida/cmdline/_params/types/group.py
diff --git a/src/aiida/cmdline/params/types/identifier.py → ...aiida/cmdline/_params/types/identifier.py b/src/aiida/cmdline/params/types/identifier.py → ...aiida/cmdline/_params/types/identifier.py
diff --git a/src/aiida/cmdline/params/types/multiple.py → src/aiida/cmdline/_params/types/multiple.py b/src/aiida/cmdline/params/types/multiple.py → src/aiida/cmdline/_params/types/multiple.py
diff --git a/src/aiida/cmdline/params/types/node.py → src/aiida/cmdline/_params/types/node.py b/src/aiida/cmdline/params/types/node.py → src/aiida/cmdline/_params/types/node.py
diff --git a/src/aiida/cmdline/params/types/path.py → src/aiida/cmdline/_params/types/path.py b/src/aiida/cmdline/params/types/path.py → src/aiida/cmdline/_params/types/path.py
diff --git a/src/aiida/cmdline/params/types/plugin.py → src/aiida/cmdline/_params/types/plugin.py b/src/aiida/cmdline/params/types/plugin.py → src/aiida/cmdline/_params/types/plugin.py
diff --git a/src/aiida/cmdline/params/types/process.py → src/aiida/cmdline/_params/types/process.py b/src/aiida/cmdline/params/types/process.py → src/aiida/cmdline/_params/types/process.py
diff --git a/src/aiida/cmdline/params/types/profile.py → src/aiida/cmdline/_params/types/profile.py b/src/aiida/cmdline/params/types/profile.py → src/aiida/cmdline/_params/types/profile.py
diff --git a/src/aiida/cmdline/params/types/strings.py → src/aiida/cmdline/_params/types/strings.py b/src/aiida/cmdline/params/types/strings.py → src/aiida/cmdline/_params/types/strings.py
diff --git a/src/aiida/cmdline/params/types/user.py → src/aiida/cmdline/_params/types/user.py b/src/aiida/cmdline/params/types/user.py → src/aiida/cmdline/_params/types/user.py
diff --git a/src/aiida/cmdline/params/types/workflow.py → src/aiida/cmdline/_params/types/workflow.py b/src/aiida/cmdline/params/types/workflow.py → src/aiida/cmdline/_params/types/workflow.py
diff --git a/src/aiida/cmdline/templates/deprecated.tpl → src/aiida/cmdline/_templates/deprecated.tpl b/src/aiida/cmdline/templates/deprecated.tpl → src/aiida/cmdline/_templates/deprecated.tpl
diff --git a/src/aiida/cmdline/templates/multiline.tpl → src/aiida/cmdline/_templates/multiline.tpl b/src/aiida/cmdline/templates/multiline.tpl → src/aiida/cmdline/_templates/multiline.tpl
diff --git a/src/aiida/cmdline/templates/new_cmt.txt.tpl → src/aiida/cmdline/_templates/new_cmt.txt.tpl b/src/aiida/cmdline/templates/new_cmt.txt.tpl → src/aiida/cmdline/_templates/new_cmt.txt.tpl
diff --git a/src/aiida/cmdline/templates/warning.tpl → src/aiida/cmdline/_templates/warning.tpl b/src/aiida/cmdline/templates/warning.tpl → src/aiida/cmdline/_templates/warning.tpl
diff --git a/src/aiida/cmdline/utils/__init__.py → src/aiida/cmdline/_utils/__init__.py b/src/aiida/cmdline/utils/__init__.py → src/aiida/cmdline/_utils/__init__.py
diff --git a/src/aiida/cmdline/utils/ascii_vis.py → src/aiida/cmdline/_utils/ascii_vis.py b/src/aiida/cmdline/utils/ascii_vis.py → src/aiida/cmdline/_utils/ascii_vis.py
diff --git a/src/aiida/cmdline/utils/common.py → src/aiida/cmdline/_utils/common.py b/src/aiida/cmdline/utils/common.py → src/aiida/cmdline/_utils/common.py
diff --git a/src/aiida/cmdline/utils/decorators.py → src/aiida/cmdline/_utils/decorators.py b/src/aiida/cmdline/utils/decorators.py → src/aiida/cmdline/_utils/decorators.py
diff --git a/src/aiida/cmdline/utils/defaults.py → src/aiida/cmdline/_utils/defaults.py b/src/aiida/cmdline/utils/defaults.py → src/aiida/cmdline/_utils/defaults.py
diff --git a/src/aiida/cmdline/utils/echo.py → src/aiida/cmdline/_utils/echo.py b/src/aiida/cmdline/utils/echo.py → src/aiida/cmdline/_utils/echo.py
diff --git a/src/aiida/cmdline/utils/log.py → src/aiida/cmdline/_utils/log.py b/src/aiida/cmdline/utils/log.py → src/aiida/cmdline/_utils/log.py
diff --git a/src/aiida/cmdline/utils/multi_line_input.py → src/aiida/cmdline/_utils/multi_line_input.py b/src/aiida/cmdline/utils/multi_line_input.py → src/aiida/cmdline/_utils/multi_line_input.py
diff --git a/src/aiida/cmdline/utils/pluginable.py → src/aiida/cmdline/_utils/pluginable.py b/src/aiida/cmdline/utils/pluginable.py → src/aiida/cmdline/_utils/pluginable.py
diff --git a/src/aiida/cmdline/utils/query/__init__.py → src/aiida/cmdline/_utils/query/__init__.py b/src/aiida/cmdline/utils/query/__init__.py → src/aiida/cmdline/_utils/query/__init__.py
diff --git a/src/aiida/cmdline/utils/query/calculation.py → ...aiida/cmdline/_utils/query/calculation.py b/src/aiida/cmdline/utils/query/calculation.py → ...aiida/cmdline/_utils/query/calculation.py
diff --git a/src/aiida/cmdline/utils/query/formatting.py → src/aiida/cmdline/_utils/query/formatting.py b/src/aiida/cmdline/utils/query/formatting.py → src/aiida/cmdline/_utils/query/formatting.py
diff --git a/src/aiida/cmdline/utils/query/mapping.py → src/aiida/cmdline/_utils/query/mapping.py b/src/aiida/cmdline/utils/query/mapping.py → src/aiida/cmdline/_utils/query/mapping.py
diff --git a/src/aiida/cmdline/utils/repository.py → src/aiida/cmdline/_utils/repository.py b/src/aiida/cmdline/utils/repository.py → src/aiida/cmdline/_utils/repository.py
diff --git a/src/aiida/cmdline/utils/shell.py → src/aiida/cmdline/_utils/shell.py b/src/aiida/cmdline/utils/shell.py → src/aiida/cmdline/_utils/shell.py
diff --git a/src/aiida/cmdline/utils/templates.py → src/aiida/cmdline/_utils/templates.py b/src/aiida/cmdline/utils/templates.py → src/aiida/cmdline/_utils/templates.py
diff --git a/src/aiida/common/__init__.py b/src/aiida/common/__init__.py
@@ -16,12 +16,12 @@
 
 # fmt: off
 
-from .datastructures import *
-from .exceptions import *
-from .extendeddicts import *
-from .links import *
-from .log import *
-from .progress_reporter import *
+from ._datastructures import *
+from ._exceptions import *
+from ._extendeddicts import *
+from ._links import *
+from ._log import *
+from ._progress_reporter import *
 
 __all__ = (
     'AIIDA_LOGGER',

diff --git a/src/aiida/common/constants.py → src/aiida/common/_constants.py b/src/aiida/common/constants.py → src/aiida/common/_constants.py
diff --git a/src/aiida/common/datastructures.py → src/aiida/common/_datastructures.py b/src/aiida/common/datastructures.py → src/aiida/common/_datastructures.py
diff --git a/src/aiida/common/docs.py → src/aiida/common/_docs.py b/src/aiida/common/docs.py → src/aiida/common/_docs.py
diff --git a/src/aiida/common/escaping.py → src/aiida/common/_escaping.py b/src/aiida/common/escaping.py → src/aiida/common/_escaping.py
diff --git a/src/aiida/common/exceptions.py → src/aiida/common/_exceptions.py b/src/aiida/common/exceptions.py → src/aiida/common/_exceptions.py
diff --git a/src/aiida/common/extendeddicts.py → src/aiida/common/_extendeddicts.py b/src/aiida/common/extendeddicts.py → src/aiida/common/_extendeddicts.py
diff --git a/src/aiida/common/files.py → src/aiida/common/_files.py b/src/aiida/common/files.py → src/aiida/common/_files.py
diff --git a/src/aiida/common/folders.py → src/aiida/common/_folders.py b/src/aiida/common/folders.py → src/aiida/common/_folders.py
diff --git a/src/aiida/common/hashing.py → src/aiida/common/_hashing.py b/src/aiida/common/hashing.py → src/aiida/common/_hashing.py
diff --git a/src/aiida/common/json.py → src/aiida/common/_json.py b/src/aiida/common/json.py → src/aiida/common/_json.py
diff --git a/src/aiida/common/lang.py → src/aiida/common/_lang.py b/src/aiida/common/lang.py → src/aiida/common/_lang.py
diff --git a/src/aiida/common/links.py → src/aiida/common/_links.py b/src/aiida/common/links.py → src/aiida/common/_links.py
diff --git a/src/aiida/common/log.py → src/aiida/common/_log.py b/src/aiida/common/log.py → src/aiida/common/_log.py
diff --git a/src/aiida/common/progress_reporter.py → src/aiida/common/_progress_reporter.py b/src/aiida/common/progress_reporter.py → src/aiida/common/_progress_reporter.py
diff --git a/src/aiida/common/pydantic.py → src/aiida/common/_pydantic.py b/src/aiida/common/pydantic.py → src/aiida/common/_pydantic.py
diff --git a/src/aiida/common/timezone.py → src/aiida/common/_timezone.py b/src/aiida/common/timezone.py → src/aiida/common/_timezone.py
diff --git a/src/aiida/common/utils.py → src/aiida/common/_utils.py b/src/aiida/common/utils.py → src/aiida/common/_utils.py
diff --git a/src/aiida/common/warnings.py → src/aiida/common/_warnings.py b/src/aiida/common/warnings.py → src/aiida/common/_warnings.py
diff --git a/src/aiida/engine/__init__.py b/src/aiida/engine/__init__.py
@@ -12,13 +12,13 @@
 
 # fmt: off
 
-from .daemon import *
-from .exceptions import *
-from .launch import *
-from .persistence import *
-from .processes import *
-from .runners import *
-from .utils import *
+from ._daemon import *
+from ._exceptions import *
+from ._launch import *
+from ._persistence import *
+from ._processes import *
+from ._runners import *
+from ._utils import *
 
 __all__ = (
     'AiiDAPersister',

diff --git a/src/aiida/engine/daemon/__init__.py → src/aiida/engine/_daemon/__init__.py b/src/aiida/engine/daemon/__init__.py → src/aiida/engine/_daemon/__init__.py
diff --git a/src/aiida/engine/daemon/client.py → src/aiida/engine/_daemon/client.py b/src/aiida/engine/daemon/client.py → src/aiida/engine/_daemon/client.py
diff --git a/src/aiida/engine/daemon/execmanager.py → src/aiida/engine/_daemon/execmanager.py b/src/aiida/engine/daemon/execmanager.py → src/aiida/engine/_daemon/execmanager.py
diff --git a/src/aiida/engine/daemon/worker.py → src/aiida/engine/_daemon/worker.py b/src/aiida/engine/daemon/worker.py → src/aiida/engine/_daemon/worker.py
diff --git a/src/aiida/engine/exceptions.py → src/aiida/engine/_exceptions.py b/src/aiida/engine/exceptions.py → src/aiida/engine/_exceptions.py
diff --git a/src/aiida/engine/launch.py → src/aiida/engine/_launch.py b/src/aiida/engine/launch.py → src/aiida/engine/_launch.py
diff --git a/src/aiida/engine/persistence.py → src/aiida/engine/_persistence.py b/src/aiida/engine/persistence.py → src/aiida/engine/_persistence.py
diff --git a/src/aiida/engine/processes/__init__.py → src/aiida/engine/_processes/__init__.py b/src/aiida/engine/processes/__init__.py → src/aiida/engine/_processes/__init__.py
diff --git a/src/aiida/engine/processes/builder.py → src/aiida/engine/_processes/builder.py b/src/aiida/engine/processes/builder.py → src/aiida/engine/_processes/builder.py
diff --git a/...ida/engine/processes/calcjobs/__init__.py → ...da/engine/_processes/calcjobs/__init__.py b/...ida/engine/processes/calcjobs/__init__.py → ...da/engine/_processes/calcjobs/__init__.py
diff --git a/...iida/engine/processes/calcjobs/calcjob.py → ...ida/engine/_processes/calcjobs/calcjob.py b/...iida/engine/processes/calcjobs/calcjob.py → ...ida/engine/_processes/calcjobs/calcjob.py
diff --git a/...ida/engine/processes/calcjobs/importer.py → ...da/engine/_processes/calcjobs/importer.py b/...ida/engine/processes/calcjobs/importer.py → ...da/engine/_processes/calcjobs/importer.py
diff --git a/...iida/engine/processes/calcjobs/manager.py → ...ida/engine/_processes/calcjobs/manager.py b/...iida/engine/processes/calcjobs/manager.py → ...ida/engine/_processes/calcjobs/manager.py
diff --git a/...ida/engine/processes/calcjobs/monitors.py → ...da/engine/_processes/calcjobs/monitors.py b/...ida/engine/processes/calcjobs/monitors.py → ...da/engine/_processes/calcjobs/monitors.py
diff --git a/src/aiida/engine/processes/calcjobs/tasks.py → ...aiida/engine/_processes/calcjobs/tasks.py b/src/aiida/engine/processes/calcjobs/tasks.py → ...aiida/engine/_processes/calcjobs/tasks.py
diff --git a/src/aiida/engine/processes/control.py → src/aiida/engine/_processes/control.py b/src/aiida/engine/processes/control.py → src/aiida/engine/_processes/control.py
diff --git a/src/aiida/engine/processes/exit_code.py → src/aiida/engine/_processes/exit_code.py b/src/aiida/engine/processes/exit_code.py → src/aiida/engine/_processes/exit_code.py
diff --git a/src/aiida/engine/processes/functions.py → src/aiida/engine/_processes/functions.py b/src/aiida/engine/processes/functions.py → src/aiida/engine/_processes/functions.py
diff --git a/src/aiida/engine/processes/futures.py → src/aiida/engine/_processes/futures.py b/src/aiida/engine/processes/futures.py → src/aiida/engine/_processes/futures.py
diff --git a/src/aiida/engine/processes/launcher.py → src/aiida/engine/_processes/launcher.py b/src/aiida/engine/processes/launcher.py → src/aiida/engine/_processes/launcher.py
diff --git a/src/aiida/engine/processes/ports.py → src/aiida/engine/_processes/ports.py b/src/aiida/engine/processes/ports.py → src/aiida/engine/_processes/ports.py
diff --git a/src/aiida/engine/processes/process.py → src/aiida/engine/_processes/process.py b/src/aiida/engine/processes/process.py → src/aiida/engine/_processes/process.py
diff --git a/src/aiida/engine/processes/process_spec.py → src/aiida/engine/_processes/process_spec.py b/src/aiida/engine/processes/process_spec.py → src/aiida/engine/_processes/process_spec.py
diff --git a/src/aiida/engine/processes/utils.py → src/aiida/engine/_processes/utils.py b/src/aiida/engine/processes/utils.py → src/aiida/engine/_processes/utils.py
diff --git a/...a/engine/processes/workchains/__init__.py → .../engine/_processes/workchains/__init__.py b/...a/engine/processes/workchains/__init__.py → .../engine/_processes/workchains/__init__.py
diff --git a/.../engine/processes/workchains/awaitable.py → ...engine/_processes/workchains/awaitable.py b/.../engine/processes/workchains/awaitable.py → ...engine/_processes/workchains/awaitable.py
diff --git a/...da/engine/processes/workchains/context.py → ...a/engine/_processes/workchains/context.py b/...da/engine/processes/workchains/context.py → ...a/engine/_processes/workchains/context.py
diff --git a/...da/engine/processes/workchains/restart.py → ...a/engine/_processes/workchains/restart.py b/...da/engine/processes/workchains/restart.py → ...a/engine/_processes/workchains/restart.py
diff --git a/...iida/engine/processes/workchains/utils.py → ...ida/engine/_processes/workchains/utils.py b/...iida/engine/processes/workchains/utils.py → ...ida/engine/_processes/workchains/utils.py
diff --git a/.../engine/processes/workchains/workchain.py → ...engine/_processes/workchains/workchain.py b/.../engine/processes/workchains/workchain.py → ...engine/_processes/workchains/workchain.py
diff --git a/src/aiida/engine/runners.py → src/aiida/engine/_runners.py b/src/aiida/engine/runners.py → src/aiida/engine/_runners.py
diff --git a/src/aiida/engine/transports.py → src/aiida/engine/_transports.py b/src/aiida/engine/transports.py → src/aiida/engine/_transports.py
diff --git a/src/aiida/engine/utils.py → src/aiida/engine/_utils.py b/src/aiida/engine/utils.py → src/aiida/engine/_utils.py
diff --git a/src/aiida/manage/__init__.py b/src/aiida/manage/__init__.py
@@ -22,10 +22,10 @@
 
 # fmt: off
 
-from .caching import *
-from .configuration import *
-from .external import *
-from .manager import *
+from ._caching import *
+from ._configuration import *
+from ._external import *
+from ._manager import *
 
 __all__ = (
     'CURRENT_CONFIG_VERSION',

diff --git a/src/aiida/manage/caching.py → src/aiida/manage/_caching.py b/src/aiida/manage/caching.py → src/aiida/manage/_caching.py
diff --git a/src/aiida/manage/configuration/__init__.py → src/aiida/manage/_configuration/__init__.py b/src/aiida/manage/configuration/__init__.py → src/aiida/manage/_configuration/__init__.py
diff --git a/src/aiida/manage/configuration/config.py → src/aiida/manage/_configuration/config.py b/src/aiida/manage/configuration/config.py → src/aiida/manage/_configuration/config.py
diff --git a/...nage/configuration/migrations/__init__.py → ...age/_configuration/migrations/__init__.py b/...nage/configuration/migrations/__init__.py → ...age/_configuration/migrations/__init__.py
diff --git a/...ge/configuration/migrations/migrations.py → ...e/_configuration/migrations/migrations.py b/...ge/configuration/migrations/migrations.py → ...e/_configuration/migrations/migrations.py
diff --git a/src/aiida/manage/configuration/options.py → src/aiida/manage/_configuration/options.py b/src/aiida/manage/configuration/options.py → src/aiida/manage/_configuration/options.py
diff --git a/src/aiida/manage/configuration/profile.py → src/aiida/manage/_configuration/profile.py b/src/aiida/manage/configuration/profile.py → src/aiida/manage/_configuration/profile.py
diff --git a/...a/manage/configuration/schema/__init__.py → .../manage/_configuration/schema/__init__.py b/...a/manage/configuration/schema/__init__.py → .../manage/_configuration/schema/__init__.py
diff --git a/...onfiguration/schema/config-v5.schema.json → ...onfiguration/schema/config-v5.schema.json b/...onfiguration/schema/config-v5.schema.json → ...onfiguration/schema/config-v5.schema.json
diff --git a/...onfiguration/schema/config-v6.schema.json → ...onfiguration/schema/config-v6.schema.json b/...onfiguration/schema/config-v6.schema.json → ...onfiguration/schema/config-v6.schema.json
diff --git a/...onfiguration/schema/config-v7.schema.json → ...onfiguration/schema/config-v7.schema.json b/...onfiguration/schema/config-v7.schema.json → ...onfiguration/schema/config-v7.schema.json
diff --git a/...onfiguration/schema/config-v8.schema.json → ...onfiguration/schema/config-v8.schema.json b/...onfiguration/schema/config-v8.schema.json → ...onfiguration/schema/config-v8.schema.json
diff --git a/...onfiguration/schema/config-v9.schema.json → ...onfiguration/schema/config-v9.schema.json b/...onfiguration/schema/config-v9.schema.json → ...onfiguration/schema/config-v9.schema.json
diff --git a/src/aiida/manage/configuration/settings.py → src/aiida/manage/_configuration/settings.py b/src/aiida/manage/configuration/settings.py → src/aiida/manage/_configuration/settings.py
diff --git a/src/aiida/manage/external/__init__.py → src/aiida/manage/_external/__init__.py b/src/aiida/manage/external/__init__.py → src/aiida/manage/_external/__init__.py
diff --git a/src/aiida/manage/external/postgres.py → src/aiida/manage/_external/postgres.py b/src/aiida/manage/external/postgres.py → src/aiida/manage/_external/postgres.py
diff --git a/src/aiida/manage/manager.py → src/aiida/manage/_manager.py b/src/aiida/manage/manager.py → src/aiida/manage/_manager.py
diff --git a/src/aiida/manage/profile_access.py → src/aiida/manage/_profile_access.py b/src/aiida/manage/profile_access.py → src/aiida/manage/_profile_access.py
diff --git a/src/aiida/manage/tests/__init__.py → src/aiida/manage/_tests/__init__.py b/src/aiida/manage/tests/__init__.py → src/aiida/manage/_tests/__init__.py
diff --git a/src/aiida/manage/tests/pytest_fixtures.py → src/aiida/manage/_tests/pytest_fixtures.py b/src/aiida/manage/tests/pytest_fixtures.py → src/aiida/manage/_tests/pytest_fixtures.py
diff --git a/src/aiida/orm/__init__.py b/src/aiida/orm/__init__.py
@@ -12,18 +12,18 @@
 
 # fmt: off
 
-from .authinfos import *
-from .comments import *
-from .computers import *
-from .entities import *
-from .extras import *
-from .fields import *
-from .groups import *
-from .logs import *
-from .nodes import *
-from .querybuilder import *
-from .users import *
-from .utils import *
+from ._authinfos import *
+from ._comments import *
+from ._computers import *
+from ._entities import *
+from ._extras import *
+from ._fields import *
+from ._groups import *
+from ._logs import *
+from ._nodes import *
+from ._querybuilder import *
+from ._users import *
+from ._utils import *
 
 __all__ = (
     'ASCENDING',

diff --git a/src/aiida/orm/authinfos.py → src/aiida/orm/_authinfos.py b/src/aiida/orm/authinfos.py → src/aiida/orm/_authinfos.py
diff --git a/src/aiida/orm/autogroup.py → src/aiida/orm/_autogroup.py b/src/aiida/orm/autogroup.py → src/aiida/orm/_autogroup.py
diff --git a/src/aiida/orm/comments.py → src/aiida/orm/_comments.py b/src/aiida/orm/comments.py → src/aiida/orm/_comments.py
diff --git a/src/aiida/orm/computers.py → src/aiida/orm/_computers.py b/src/aiida/orm/computers.py → src/aiida/orm/_computers.py
diff --git a/src/aiida/orm/convert.py → src/aiida/orm/_convert.py b/src/aiida/orm/convert.py → src/aiida/orm/_convert.py
diff --git a/src/aiida/orm/entities.py → src/aiida/orm/_entities.py b/src/aiida/orm/entities.py → src/aiida/orm/_entities.py
diff --git a/src/aiida/orm/extras.py → src/aiida/orm/_extras.py b/src/aiida/orm/extras.py → src/aiida/orm/_extras.py
diff --git a/src/aiida/orm/fields.py → src/aiida/orm/_fields.py b/src/aiida/orm/fields.py → src/aiida/orm/_fields.py
diff --git a/src/aiida/orm/groups.py → src/aiida/orm/_groups.py b/src/aiida/orm/groups.py → src/aiida/orm/_groups.py
diff --git a/src/aiida/orm/implementation/__init__.py → src/aiida/orm/_implementation/__init__.py b/src/aiida/orm/implementation/__init__.py → src/aiida/orm/_implementation/__init__.py
diff --git a/src/aiida/orm/implementation/authinfos.py → src/aiida/orm/_implementation/authinfos.py b/src/aiida/orm/implementation/authinfos.py → src/aiida/orm/_implementation/authinfos.py
diff --git a/src/aiida/orm/implementation/comments.py → src/aiida/orm/_implementation/comments.py b/src/aiida/orm/implementation/comments.py → src/aiida/orm/_implementation/comments.py
diff --git a/src/aiida/orm/implementation/computers.py → src/aiida/orm/_implementation/computers.py b/src/aiida/orm/implementation/computers.py → src/aiida/orm/_implementation/computers.py
diff --git a/src/aiida/orm/implementation/entities.py → src/aiida/orm/_implementation/entities.py b/src/aiida/orm/implementation/entities.py → src/aiida/orm/_implementation/entities.py
diff --git a/src/aiida/orm/implementation/groups.py → src/aiida/orm/_implementation/groups.py b/src/aiida/orm/implementation/groups.py → src/aiida/orm/_implementation/groups.py
diff --git a/src/aiida/orm/implementation/logs.py → src/aiida/orm/_implementation/logs.py b/src/aiida/orm/implementation/logs.py → src/aiida/orm/_implementation/logs.py
diff --git a/src/aiida/orm/implementation/nodes.py → src/aiida/orm/_implementation/nodes.py b/src/aiida/orm/implementation/nodes.py → src/aiida/orm/_implementation/nodes.py
diff --git a/src/aiida/orm/implementation/querybuilder.py → ...aiida/orm/_implementation/querybuilder.py b/src/aiida/orm/implementation/querybuilder.py → ...aiida/orm/_implementation/querybuilder.py
diff --git a/...ida/orm/implementation/storage_backend.py → ...da/orm/_implementation/storage_backend.py b/...ida/orm/implementation/storage_backend.py → ...da/orm/_implementation/storage_backend.py
diff --git a/src/aiida/orm/implementation/users.py → src/aiida/orm/_implementation/users.py b/src/aiida/orm/implementation/users.py → src/aiida/orm/_implementation/users.py
diff --git a/src/aiida/orm/implementation/utils.py → src/aiida/orm/_implementation/utils.py b/src/aiida/orm/implementation/utils.py → src/aiida/orm/_implementation/utils.py
diff --git a/src/aiida/orm/logs.py → src/aiida/orm/_logs.py b/src/aiida/orm/logs.py → src/aiida/orm/_logs.py
diff --git a/src/aiida/orm/nodes/__init__.py → src/aiida/orm/_nodes/__init__.py b/src/aiida/orm/nodes/__init__.py → src/aiida/orm/_nodes/__init__.py
diff --git a/src/aiida/orm/nodes/attributes.py → src/aiida/orm/_nodes/attributes.py b/src/aiida/orm/nodes/attributes.py → src/aiida/orm/_nodes/attributes.py
diff --git a/src/aiida/orm/nodes/caching.py → src/aiida/orm/_nodes/caching.py b/src/aiida/orm/nodes/caching.py → src/aiida/orm/_nodes/caching.py
diff --git a/src/aiida/orm/nodes/comments.py → src/aiida/orm/_nodes/comments.py b/src/aiida/orm/nodes/comments.py → src/aiida/orm/_nodes/comments.py
diff --git a/src/aiida/orm/nodes/data/__init__.py → src/aiida/orm/_nodes/data/__init__.py b/src/aiida/orm/nodes/data/__init__.py → src/aiida/orm/_nodes/data/__init__.py
diff --git a/src/aiida/orm/nodes/data/array/__init__.py → src/aiida/orm/_nodes/data/array/__init__.py b/src/aiida/orm/nodes/data/array/__init__.py → src/aiida/orm/_nodes/data/array/__init__.py
diff --git a/src/aiida/orm/nodes/data/array/array.py → src/aiida/orm/_nodes/data/array/array.py b/src/aiida/orm/nodes/data/array/array.py → src/aiida/orm/_nodes/data/array/array.py
diff --git a/src/aiida/orm/nodes/data/array/bands.py → src/aiida/orm/_nodes/data/array/bands.py b/src/aiida/orm/nodes/data/array/bands.py → src/aiida/orm/_nodes/data/array/bands.py
diff --git a/src/aiida/orm/nodes/data/array/kpoints.py → src/aiida/orm/_nodes/data/array/kpoints.py b/src/aiida/orm/nodes/data/array/kpoints.py → src/aiida/orm/_nodes/data/array/kpoints.py
diff --git a/src/aiida/orm/nodes/data/array/projection.py → ...aiida/orm/_nodes/data/array/projection.py b/src/aiida/orm/nodes/data/array/projection.py → ...aiida/orm/_nodes/data/array/projection.py
diff --git a/src/aiida/orm/nodes/data/array/trajectory.py → ...aiida/orm/_nodes/data/array/trajectory.py b/src/aiida/orm/nodes/data/array/trajectory.py → ...aiida/orm/_nodes/data/array/trajectory.py
diff --git a/src/aiida/orm/nodes/data/array/xy.py → src/aiida/orm/_nodes/data/array/xy.py b/src/aiida/orm/nodes/data/array/xy.py → src/aiida/orm/_nodes/data/array/xy.py
diff --git a/src/aiida/orm/nodes/data/base.py → src/aiida/orm/_nodes/data/base.py b/src/aiida/orm/nodes/data/base.py → src/aiida/orm/_nodes/data/base.py
diff --git a/src/aiida/orm/nodes/data/bool.py → src/aiida/orm/_nodes/data/bool.py b/src/aiida/orm/nodes/data/bool.py → src/aiida/orm/_nodes/data/bool.py
diff --git a/src/aiida/orm/nodes/data/cif.py → src/aiida/orm/_nodes/data/cif.py b/src/aiida/orm/nodes/data/cif.py → src/aiida/orm/_nodes/data/cif.py
diff --git a/src/aiida/orm/nodes/data/code/__init__.py → src/aiida/orm/_nodes/data/code/__init__.py b/src/aiida/orm/nodes/data/code/__init__.py → src/aiida/orm/_nodes/data/code/__init__.py
diff --git a/src/aiida/orm/nodes/data/code/abstract.py → src/aiida/orm/_nodes/data/code/abstract.py b/src/aiida/orm/nodes/data/code/abstract.py → src/aiida/orm/_nodes/data/code/abstract.py
diff --git a/...iida/orm/nodes/data/code/containerized.py → ...ida/orm/_nodes/data/code/containerized.py b/...iida/orm/nodes/data/code/containerized.py → ...ida/orm/_nodes/data/code/containerized.py
diff --git a/src/aiida/orm/nodes/data/code/installed.py → src/aiida/orm/_nodes/data/code/installed.py b/src/aiida/orm/nodes/data/code/installed.py → src/aiida/orm/_nodes/data/code/installed.py
diff --git a/src/aiida/orm/nodes/data/code/legacy.py → src/aiida/orm/_nodes/data/code/legacy.py b/src/aiida/orm/nodes/data/code/legacy.py → src/aiida/orm/_nodes/data/code/legacy.py
diff --git a/src/aiida/orm/nodes/data/code/portable.py → src/aiida/orm/_nodes/data/code/portable.py b/src/aiida/orm/nodes/data/code/portable.py → src/aiida/orm/_nodes/data/code/portable.py
diff --git a/src/aiida/orm/nodes/data/data.py → src/aiida/orm/_nodes/data/data.py b/src/aiida/orm/nodes/data/data.py → src/aiida/orm/_nodes/data/data.py
diff --git a/src/aiida/orm/nodes/data/dict.py → src/aiida/orm/_nodes/data/dict.py b/src/aiida/orm/nodes/data/dict.py → src/aiida/orm/_nodes/data/dict.py
diff --git a/src/aiida/orm/nodes/data/enum.py → src/aiida/orm/_nodes/data/enum.py b/src/aiida/orm/nodes/data/enum.py → src/aiida/orm/_nodes/data/enum.py
diff --git a/src/aiida/orm/nodes/data/float.py → src/aiida/orm/_nodes/data/float.py b/src/aiida/orm/nodes/data/float.py → src/aiida/orm/_nodes/data/float.py
diff --git a/src/aiida/orm/nodes/data/folder.py → src/aiida/orm/_nodes/data/folder.py b/src/aiida/orm/nodes/data/folder.py → src/aiida/orm/_nodes/data/folder.py
diff --git a/src/aiida/orm/nodes/data/int.py → src/aiida/orm/_nodes/data/int.py b/src/aiida/orm/nodes/data/int.py → src/aiida/orm/_nodes/data/int.py
diff --git a/src/aiida/orm/nodes/data/jsonable.py → src/aiida/orm/_nodes/data/jsonable.py b/src/aiida/orm/nodes/data/jsonable.py → src/aiida/orm/_nodes/data/jsonable.py
diff --git a/src/aiida/orm/nodes/data/list.py → src/aiida/orm/_nodes/data/list.py b/src/aiida/orm/nodes/data/list.py → src/aiida/orm/_nodes/data/list.py
diff --git a/src/aiida/orm/nodes/data/numeric.py → src/aiida/orm/_nodes/data/numeric.py b/src/aiida/orm/nodes/data/numeric.py → src/aiida/orm/_nodes/data/numeric.py
diff --git a/src/aiida/orm/nodes/data/orbital.py → src/aiida/orm/_nodes/data/orbital.py b/src/aiida/orm/nodes/data/orbital.py → src/aiida/orm/_nodes/data/orbital.py
diff --git a/src/aiida/orm/nodes/data/remote/__init__.py → src/aiida/orm/_nodes/data/remote/__init__.py b/src/aiida/orm/nodes/data/remote/__init__.py → src/aiida/orm/_nodes/data/remote/__init__.py
diff --git a/src/aiida/orm/nodes/data/remote/base.py → src/aiida/orm/_nodes/data/remote/base.py b/src/aiida/orm/nodes/data/remote/base.py → src/aiida/orm/_nodes/data/remote/base.py
diff --git a/...a/orm/nodes/data/remote/stash/__init__.py → .../orm/_nodes/data/remote/stash/__init__.py b/...a/orm/nodes/data/remote/stash/__init__.py → .../orm/_nodes/data/remote/stash/__init__.py
diff --git a/...aiida/orm/nodes/data/remote/stash/base.py → ...iida/orm/_nodes/data/remote/stash/base.py b/...aiida/orm/nodes/data/remote/stash/base.py → ...iida/orm/_nodes/data/remote/stash/base.py
diff --git a/...ida/orm/nodes/data/remote/stash/folder.py → ...da/orm/_nodes/data/remote/stash/folder.py b/...ida/orm/nodes/data/remote/stash/folder.py → ...da/orm/_nodes/data/remote/stash/folder.py
diff --git a/src/aiida/orm/nodes/data/singlefile.py → src/aiida/orm/_nodes/data/singlefile.py b/src/aiida/orm/nodes/data/singlefile.py → src/aiida/orm/_nodes/data/singlefile.py
diff --git a/src/aiida/orm/nodes/data/str.py → src/aiida/orm/_nodes/data/str.py b/src/aiida/orm/nodes/data/str.py → src/aiida/orm/_nodes/data/str.py
diff --git a/src/aiida/orm/nodes/data/structure.py → src/aiida/orm/_nodes/data/structure.py b/src/aiida/orm/nodes/data/structure.py → src/aiida/orm/_nodes/data/structure.py
diff --git a/src/aiida/orm/nodes/data/upf.py → src/aiida/orm/_nodes/data/upf.py b/src/aiida/orm/nodes/data/upf.py → src/aiida/orm/_nodes/data/upf.py
diff --git a/src/aiida/orm/nodes/links.py → src/aiida/orm/_nodes/links.py b/src/aiida/orm/nodes/links.py → src/aiida/orm/_nodes/links.py
diff --git a/src/aiida/orm/nodes/node.py → src/aiida/orm/_nodes/node.py b/src/aiida/orm/nodes/node.py → src/aiida/orm/_nodes/node.py
diff --git a/src/aiida/orm/nodes/process/__init__.py → src/aiida/orm/_nodes/process/__init__.py b/src/aiida/orm/nodes/process/__init__.py → src/aiida/orm/_nodes/process/__init__.py
diff --git a/...orm/nodes/process/calculation/__init__.py → ...rm/_nodes/process/calculation/__init__.py b/...orm/nodes/process/calculation/__init__.py → ...rm/_nodes/process/calculation/__init__.py
diff --git a/...nodes/process/calculation/calcfunction.py → ...nodes/process/calculation/calcfunction.py b/...nodes/process/calculation/calcfunction.py → ...nodes/process/calculation/calcfunction.py
diff --git a/.../orm/nodes/process/calculation/calcjob.py → ...orm/_nodes/process/calculation/calcjob.py b/.../orm/nodes/process/calculation/calcjob.py → ...orm/_nodes/process/calculation/calcjob.py
diff --git a/.../nodes/process/calculation/calculation.py → ..._nodes/process/calculation/calculation.py b/.../nodes/process/calculation/calculation.py → ..._nodes/process/calculation/calculation.py
diff --git a/src/aiida/orm/nodes/process/process.py → src/aiida/orm/_nodes/process/process.py b/src/aiida/orm/nodes/process/process.py → src/aiida/orm/_nodes/process/process.py
diff --git a/...da/orm/nodes/process/workflow/__init__.py → ...a/orm/_nodes/process/workflow/__init__.py b/...da/orm/nodes/process/workflow/__init__.py → ...a/orm/_nodes/process/workflow/__init__.py
diff --git a/...a/orm/nodes/process/workflow/workchain.py → .../orm/_nodes/process/workflow/workchain.py b/...a/orm/nodes/process/workflow/workchain.py → .../orm/_nodes/process/workflow/workchain.py
diff --git a/...da/orm/nodes/process/workflow/workflow.py → ...a/orm/_nodes/process/workflow/workflow.py b/...da/orm/nodes/process/workflow/workflow.py → ...a/orm/_nodes/process/workflow/workflow.py
diff --git a/...rm/nodes/process/workflow/workfunction.py → ...m/_nodes/process/workflow/workfunction.py b/...rm/nodes/process/workflow/workfunction.py → ...m/_nodes/process/workflow/workfunction.py
diff --git a/src/aiida/orm/nodes/repository.py → src/aiida/orm/_nodes/repository.py b/src/aiida/orm/nodes/repository.py → src/aiida/orm/_nodes/repository.py
diff --git a/src/aiida/orm/querybuilder.py → src/aiida/orm/_querybuilder.py b/src/aiida/orm/querybuilder.py → src/aiida/orm/_querybuilder.py
diff --git a/src/aiida/orm/users.py → src/aiida/orm/_users.py b/src/aiida/orm/users.py → src/aiida/orm/_users.py
diff --git a/src/aiida/orm/utils/__init__.py → src/aiida/orm/_utils/__init__.py b/src/aiida/orm/utils/__init__.py → src/aiida/orm/_utils/__init__.py
diff --git a/src/aiida/orm/utils/builders/__init__.py → src/aiida/orm/_utils/builders/__init__.py b/src/aiida/orm/utils/builders/__init__.py → src/aiida/orm/_utils/builders/__init__.py
diff --git a/src/aiida/orm/utils/builders/code.py → src/aiida/orm/_utils/builders/code.py b/src/aiida/orm/utils/builders/code.py → src/aiida/orm/_utils/builders/code.py
diff --git a/src/aiida/orm/utils/builders/computer.py → src/aiida/orm/_utils/builders/computer.py b/src/aiida/orm/utils/builders/computer.py → src/aiida/orm/_utils/builders/computer.py
diff --git a/src/aiida/orm/utils/calcjob.py → src/aiida/orm/_utils/calcjob.py b/src/aiida/orm/utils/calcjob.py → src/aiida/orm/_utils/calcjob.py
diff --git a/src/aiida/orm/utils/links.py → src/aiida/orm/_utils/links.py b/src/aiida/orm/utils/links.py → src/aiida/orm/_utils/links.py
diff --git a/src/aiida/orm/utils/loaders.py → src/aiida/orm/_utils/loaders.py b/src/aiida/orm/utils/loaders.py → src/aiida/orm/_utils/loaders.py
diff --git a/src/aiida/orm/utils/log.py → src/aiida/orm/_utils/log.py b/src/aiida/orm/utils/log.py → src/aiida/orm/_utils/log.py
diff --git a/src/aiida/orm/utils/managers.py → src/aiida/orm/_utils/managers.py b/src/aiida/orm/utils/managers.py → src/aiida/orm/_utils/managers.py
diff --git a/src/aiida/orm/utils/mixins.py → src/aiida/orm/_utils/mixins.py b/src/aiida/orm/utils/mixins.py → src/aiida/orm/_utils/mixins.py
diff --git a/src/aiida/orm/utils/node.py → src/aiida/orm/_utils/node.py b/src/aiida/orm/utils/node.py → src/aiida/orm/_utils/node.py
diff --git a/src/aiida/orm/utils/remote.py → src/aiida/orm/_utils/remote.py b/src/aiida/orm/utils/remote.py → src/aiida/orm/_utils/remote.py
diff --git a/src/aiida/orm/utils/serialize.py → src/aiida/orm/_utils/serialize.py b/src/aiida/orm/utils/serialize.py → src/aiida/orm/_utils/serialize.py
diff --git a/src/aiida/parsers/__init__.py b/src/aiida/parsers/__init__.py
@@ -12,7 +12,7 @@
 
 # fmt: off
 
-from .parser import *
+from ._parser import *
 
 __all__ = (
     'Parser',

diff --git a/src/aiida/parsers/parser.py → src/aiida/parsers/_parser.py b/src/aiida/parsers/parser.py → src/aiida/parsers/_parser.py
diff --git a/src/aiida/parsers/plugins/__init__.py → src/aiida/parsers/_plugins/__init__.py b/src/aiida/parsers/plugins/__init__.py → src/aiida/parsers/_plugins/__init__.py
diff --git a/...da/parsers/plugins/arithmetic/__init__.py → ...a/parsers/_plugins/arithmetic/__init__.py b/...da/parsers/plugins/arithmetic/__init__.py → ...a/parsers/_plugins/arithmetic/__init__.py
diff --git a/src/aiida/parsers/plugins/arithmetic/add.py → src/aiida/parsers/_plugins/arithmetic/add.py b/src/aiida/parsers/plugins/arithmetic/add.py → src/aiida/parsers/_plugins/arithmetic/add.py
diff --git a/.../parsers/plugins/diff_tutorial/parsers.py → ...parsers/_plugins/diff_tutorial/parsers.py b/.../parsers/plugins/diff_tutorial/parsers.py → ...parsers/_plugins/diff_tutorial/parsers.py
diff --git a/...sers/plugins/templatereplacer/__init__.py → ...ers/_plugins/templatereplacer/__init__.py b/...sers/plugins/templatereplacer/__init__.py → ...ers/_plugins/templatereplacer/__init__.py
diff --git a/...arsers/plugins/templatereplacer/parser.py → ...rsers/_plugins/templatereplacer/parser.py b/...arsers/plugins/templatereplacer/parser.py → ...rsers/_plugins/templatereplacer/parser.py
diff --git a/src/aiida/plugins/__init__.py b/src/aiida/plugins/__init__.py
@@ -12,9 +12,9 @@
 
 # fmt: off
 
-from .entry_point import *
-from .factories import *
-from .utils import *
+from ._entry_point import *
+from ._factories import *
+from ._utils import *
 
 __all__ = (
     'BaseFactory',

diff --git a/src/aiida/plugins/entry_point.py → src/aiida/plugins/_entry_point.py b/src/aiida/plugins/entry_point.py → src/aiida/plugins/_entry_point.py
diff --git a/src/aiida/plugins/factories.py → src/aiida/plugins/_factories.py b/src/aiida/plugins/factories.py → src/aiida/plugins/_factories.py
diff --git a/src/aiida/plugins/utils.py → src/aiida/plugins/_utils.py b/src/aiida/plugins/utils.py → src/aiida/plugins/_utils.py
diff --git a/src/aiida/repository/__init__.py b/src/aiida/repository/__init__.py
@@ -12,9 +12,9 @@
 
 # fmt: off
 
-from .backend import *
-from .common import *
-from .repository import *
+from ._backend import *
+from ._common import *
+from ._repository import *
 
 __all__ = (
     'AbstractRepositoryBackend',

diff --git a/src/aiida/repository/backend/__init__.py → src/aiida/repository/_backend/__init__.py b/src/aiida/repository/backend/__init__.py → src/aiida/repository/_backend/__init__.py
diff --git a/src/aiida/repository/backend/abstract.py → src/aiida/repository/_backend/abstract.py b/src/aiida/repository/backend/abstract.py → src/aiida/repository/_backend/abstract.py
diff --git a/...a/repository/backend/disk_object_store.py → .../repository/_backend/disk_object_store.py b/...a/repository/backend/disk_object_store.py → .../repository/_backend/disk_object_store.py
diff --git a/src/aiida/repository/backend/sandbox.py → src/aiida/repository/_backend/sandbox.py b/src/aiida/repository/backend/sandbox.py → src/aiida/repository/_backend/sandbox.py
diff --git a/src/aiida/repository/common.py → src/aiida/repository/_common.py b/src/aiida/repository/common.py → src/aiida/repository/_common.py
diff --git a/src/aiida/repository/repository.py → src/aiida/repository/_repository.py b/src/aiida/repository/repository.py → src/aiida/repository/_repository.py
diff --git a/src/aiida/restapi/api.py → src/aiida/restapi/_api.py b/src/aiida/restapi/api.py → src/aiida/restapi/_api.py
diff --git a/src/aiida/restapi/common/__init__.py → src/aiida/restapi/_common/__init__.py b/src/aiida/restapi/common/__init__.py → src/aiida/restapi/_common/__init__.py