path_actions

Atomic actions that make up a package installation or removal transaction.

Classes

Action	Base class for path manipulation actions, including linking, unlinking, and others.
PathAction	Base class for path manipulation actions, including linking, unlinking, and others.
MultiPathAction	Base class for path manipulation actions, including linking, unlinking, and others.
PrefixPathAction	Base class for path manipulation actions, including linking, unlinking, and others.
CreateInPrefixPathAction	Base class for path manipulation actions, including linking, unlinking, and others.
LinkPathAction	Base class for path manipulation actions, including linking, unlinking, and others.
PrefixReplaceLinkAction	Base class for path manipulation actions, including linking, unlinking, and others.
MakeMenuAction	Base class for path manipulation actions, including linking, unlinking, and others.
CompileMultiPycAction	Base class for path manipulation actions, including linking, unlinking, and others.
AggregateCompileMultiPycAction	Bunch up all of our compile actions, so that they all get carried out at once.
CreatePythonEntryPointAction	Base class for path manipulation actions, including linking, unlinking, and others.
CreatePrefixRecordAction	Base class for path manipulation actions, including linking, unlinking, and others.
UpdateHistoryAction	Base class for path manipulation actions, including linking, unlinking, and others.
RegisterEnvironmentLocationAction	Base class for path manipulation actions, including linking, unlinking, and others.
RemoveFromPrefixPathAction	Base class for path manipulation actions, including linking, unlinking, and others.
UnlinkPathAction	Base class for path manipulation actions, including linking, unlinking, and others.
RemoveMenuAction	Base class for path manipulation actions, including linking, unlinking, and others.
RemoveLinkedPackageRecordAction	Base class for path manipulation actions, including linking, unlinking, and others.
UnregisterEnvironmentLocationAction	Base class for path manipulation actions, including linking, unlinking, and others.
CacheUrlAction	Base class for path manipulation actions, including linking, unlinking, and others.
ExtractPackageAction	Base class for path manipulation actions, including linking, unlinking, and others.

Attributes

FileNotFoundError
_MENU_RE
REPR_IGNORE_KWARGS

FileNotFoundError

_MENU_RE

REPR_IGNORE_KWARGS = ('transaction_context', 'package_info', 'hold_path')

class Action(transaction_context: dict[str, str] | None = None, target_prefix: str | None = None, unlink_precs: collections.abc.Iterable[conda.models.records.PackageRecord] | None = None, link_precs: collections.abc.Iterable[conda.models.records.PackageRecord] | None = None, remove_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None, update_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None, neutered_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None)

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

property verified

_verified = False

abstract verify() → Exception | None

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

abstract execute() → None

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

abstract reverse() → None

Reverse what was done in execute.

Called only if self.execute() raises an exception.

abstract cleanup() → None

Carry out any post-execution tasks.

__repr__()

Return repr(self).

class PathAction(transaction_context: dict[str, str] | None = None, target_prefix: str | None = None, unlink_precs: collections.abc.Iterable[conda.models.records.PackageRecord] | None = None, link_precs: collections.abc.Iterable[conda.models.records.PackageRecord] | None = None, remove_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None, update_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None, neutered_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None)

Bases: Action

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

abstract property target_full_path

class MultiPathAction(transaction_context: dict[str, str] | None = None, target_prefix: str | None = None, unlink_precs: collections.abc.Iterable[conda.models.records.PackageRecord] | None = None, link_precs: collections.abc.Iterable[conda.models.records.PackageRecord] | None = None, remove_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None, update_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None, neutered_specs: collections.abc.Iterable[conda.models.match_spec.MatchSpec] | None = None)

Bases: Action

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

abstract property target_full_paths

class PrefixPathAction(transaction_context, target_prefix, target_short_path)

Bases: PathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

property target_short_paths

property target_full_path

class CreateInPrefixPathAction(transaction_context, package_info, source_prefix, source_short_path, target_prefix, target_short_path)

Bases: PrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

property source_full_path

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

cleanup()

Carry out any post-execution tasks.

class LinkPathAction(transaction_context, package_info, extracted_package_dir, source_short_path, target_prefix, target_short_path, link_type, source_path_data)

Bases: CreateInPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

classmethod create_file_link_actions(transaction_context, package_info, target_prefix, requested_link_type)

classmethod create_directory_actions(transaction_context, package_info, target_prefix, requested_link_type, file_link_actions)

classmethod create_python_entry_point_windows_exe_action(transaction_context, package_info, target_prefix, requested_link_type, entry_point_def)

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

class PrefixReplaceLinkAction(transaction_context, package_info, extracted_package_dir, source_short_path, target_prefix, target_short_path, link_type, prefix_placeholder, file_mode, source_path_data)

Bases: LinkPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

class MakeMenuAction(transaction_context, package_info, target_prefix, target_short_path)

Bases: CreateInPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

classmethod create_actions(transaction_context, package_info, target_prefix, requested_link_type)

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

class CompileMultiPycAction(transaction_context, package_info, target_prefix, source_short_paths, target_short_paths)

Bases: MultiPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

property target_full_paths

property source_full_paths

classmethod create_actions(transaction_context, package_info, target_prefix, requested_link_type, file_link_actions)

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

cleanup()

Carry out any post-execution tasks.

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

class AggregateCompileMultiPycAction(*individuals, **kw)

Bases: CompileMultiPycAction

Bunch up all of our compile actions, so that they all get carried out at once. This avoids clobbering and is faster when we have several individual packages requiring compilation.

class CreatePythonEntryPointAction(transaction_context, package_info, target_prefix, target_short_path, module, func)

Bases: CreateInPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

classmethod create_actions(transaction_context, package_info, target_prefix, requested_link_type)

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

class CreatePrefixRecordAction(transaction_context, package_info, target_prefix, target_short_path, requested_link_type, requested_spec, all_link_path_actions)

Bases: CreateInPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

classmethod create_actions(transaction_context, package_info, target_prefix, requested_link_type, requested_spec, all_link_path_actions)

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

class UpdateHistoryAction(transaction_context, target_prefix, target_short_path, remove_specs, update_specs, neutered_specs)

Bases: CreateInPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

classmethod create_actions(transaction_context, target_prefix, remove_specs, update_specs, neutered_specs)

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

class RegisterEnvironmentLocationAction(transaction_context, target_prefix)

Bases: PathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

abstract property target_full_path

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

class RemoveFromPrefixPathAction(transaction_context, linked_package_data, target_prefix, target_short_path)

Bases: PrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

class UnlinkPathAction(transaction_context, linked_package_data, target_prefix, target_short_path, link_type=LinkType.hardlink)

Bases: RemoveFromPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

class RemoveMenuAction(transaction_context, linked_package_data, target_prefix, target_short_path)

Bases: RemoveFromPrefixPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

classmethod create_actions(transaction_context, linked_package_data, target_prefix)

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

class RemoveLinkedPackageRecordAction(transaction_context, linked_package_data, target_prefix, target_short_path)

Bases: UnlinkPathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

class UnregisterEnvironmentLocationAction(transaction_context, target_prefix)

Bases: PathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

abstract property target_full_path

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

execute()

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

class CacheUrlAction(url, target_pkgs_dir, target_package_basename, sha256=None, size=None, md5=None)

Bases: PathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

property target_full_path

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

execute(progress_update_callback=None)

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

_execute_local(source_path, target_package_cache, progress_update_callback=None)

_execute_channel(target_package_cache, progress_update_callback=None)

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

__str__()

Return str(self).

class ExtractPackageAction(source_full_path, target_pkgs_dir, target_extracted_dirname, record_or_spec, sha256, size, md5)

Bases: PathAction

Base class for path manipulation actions, including linking, unlinking, and others.

Pre and post-transaction plugins should inherit this class to implement their own verification, execution, reversing, and cleanup steps. These methods are guaranteed to be called in the following order:

1. verify

2. execute

3. reverse (only if execute raises an exception)

4. cleanup

Parameters:

• transaction_context -- Mapping between target prefixes and PrefixActions instances

• target_prefix -- Target prefix for the action

• unlink_precs -- Package records to be unlinked

• link_precs -- Package records to link

• remove_specs -- Specs to be removed

• update_specs -- Specs to be updated

• neutered_specs -- Specs to be neutered

property target_full_path

verify()

Carry out any pre-execution verification.

Should set self._verified = True upon success.

Returns:

On failure, this function should return (not raise!) an exception

object. At the end of the verification run, all errors will be raised as a CondaMultiError.

execute(progress_update_callback=None)

Execute the action.

Called after self.verify(). If this function raises an exception, self.reverse() will be called.

reverse()

Reverse what was done in execute.

Called only if self.execute() raises an exception.

cleanup()

Carry out any post-execution tasks.

__str__()

Return str(self).