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modules.py
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modules.py
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"""
Modules used in building workflows
"""
import logging
import re
from xml.etree.ElementTree import Element
import galaxy.tools
from galaxy import exceptions
from galaxy import model
from galaxy import web
from galaxy.dataset_collections import matching
from galaxy.web.framework import formbuilder
from galaxy.jobs.actions.post import ActionBox
from galaxy.model import PostJobAction
from galaxy.tools.parameters import check_param, visit_input_values
from galaxy.tools.parameters.basic import DataCollectionToolParameter, DataToolParameter, DummyDataset, RuntimeValue
from galaxy.tools.parameters.wrapped import make_dict_copy
from galaxy.tools.execute import execute
from galaxy.util.bunch import Bunch
from galaxy.util import odict
from galaxy.util.json import loads
from galaxy.util.json import dumps
log = logging.getLogger( __name__ )
# Key into Tool state to describe invocation-specific runtime properties.
RUNTIME_STEP_META_STATE_KEY = "__STEP_META_STATE__"
# Key into step runtime state dict describing invocation-specific post job
# actions (i.e. PJA specified at runtime on top of the workflow-wide defined
# ones.
RUNTIME_POST_JOB_ACTIONS_KEY = "__POST_JOB_ACTIONS__"
class WorkflowModule( object ):
def __init__( self, trans ):
self.trans = trans
# ---- Creating modules from various representations ---------------------
@classmethod
def new( Class, trans, tool_id=None ):
"""
Create a new instance of the module with default state
"""
return Class( trans )
@classmethod
def from_dict( Class, trans, d ):
"""
Create a new instance of the module initialized from values in the
dictionary `d`.
"""
return Class( trans )
@classmethod
def from_workflow_step( Class, trans, step ):
return Class( trans )
# ---- Saving in various forms ------------------------------------------
def save_to_step( self, step ):
step.type = self.type
# ---- General attributes -----------------------------------------------
def get_type( self ):
return self.type
def get_name( self ):
return self.name
def get_tool_id( self ):
return None
def get_tooltip( self, static_path='' ):
return None
# ---- Configuration time -----------------------------------------------
def get_state( self, secure=True ):
""" Return a serializable representation of the persistable state of
the step - for tools it DefaultToolState.encode returns a string and
for simpler module types a json description is dumped out.
"""
return None
def update_state( self, incoming ):
""" Update the current state of the module against the user supplied
parameters in the dict-like object `incoming`.
"""
pass
def get_errors( self ):
""" It seems like this is effectively just used as boolean - some places
in the tool shed self.errors is set to boolean, other places 'unavailable',
likewise in Galaxy it stores a list containing a string with an unrecognized
tool id error message.
"""
return None
def get_data_inputs( self ):
""" Get configure time data input descriptions. """
return []
def get_data_outputs( self ):
return []
def get_runtime_input_dicts( self, step_annotation ):
""" Get runtime inputs (inputs and parameters) as simple dictionary. """
return []
def get_config_form( self ):
""" Render form that is embedded in workflow editor for modifying the
step state of a node.
"""
raise TypeError( "Abstract method" )
def check_and_update_state( self ):
"""
If the state is not in sync with the current implementation of the
module, try to update. Returns a list of messages to be displayed
"""
pass
def add_dummy_datasets( self, connections=None):
# Replaced connected inputs with DummyDataset values.
pass
# ---- Run time ---------------------------------------------------------
def get_runtime_inputs( self, **kwds ):
""" Used internally by modules and when displaying inputs in workflow
editor and run workflow templates.
Note: The ToolModule doesn't implement this and these templates contain
specialized logic for dealing with the tool and state directly in the
case of ToolModules.
"""
raise TypeError( "Abstract method" )
def encode_runtime_state( self, trans, state ):
""" Encode the default runtime state at return as a simple `str` for
use in a hidden parameter on the workflow run submission form.
This default runtime state will be combined with user supplied
parameters in `compute_runtime_state` below at workflow invocation time to
actually describe how each step will be executed.
"""
raise TypeError( "Abstract method" )
def compute_runtime_state( self, trans, step_updates=None, source="html" ):
""" Determine the runtime state (potentially different from self.state
which describes configuration state). This (again unlike self.state) is
currently always a `DefaultToolState` object.
If `step_updates` is `None`, this is likely for rendering the run form
for instance and no runtime properties are available and state must be
solely determined by the default runtime state described by the step.
If `step_updates` are available they describe the runtime properties
supplied by the workflow runner (potentially including a `tool_state`
parameter which is the serialized default encoding state created with
encode_runtime_state above).
"""
raise TypeError( "Abstract method" )
def execute( self, trans, progress, invocation, step ):
""" Execute the given workflow step in the given workflow invocation.
Use the supplied workflow progress object to track outputs, find
inputs, etc...
"""
raise TypeError( "Abstract method" )
def do_invocation_step_action( self, step, action ):
""" Update or set the workflow invocation state action - generic
extension point meant to allows users to interact with interactive
workflow modules. The action object returned from this method will
be attached to the WorkflowInvocationStep and be available the next
time the workflow scheduler visits the workflow.
"""
raise exceptions.RequestParameterInvalidException( "Attempting to perform invocation step action on module that does not support actions." )
def recover_mapping( self, step, step_invocations, progress ):
""" Re-populate progress object with information about connections
from previously executed steps recorded via step_invocations.
"""
raise TypeError( "Abstract method" )
class SimpleWorkflowModule( WorkflowModule ):
@classmethod
def new( Class, trans, tool_id=None ):
module = Class( trans )
module.state = Class.default_state()
return module
@classmethod
def from_dict( Class, trans, d, secure=True ):
module = Class( trans )
state = loads( d["tool_state"] )
module.recover_state( state )
return module
@classmethod
def from_workflow_step( Class, trans, step ):
module = Class( trans )
module.recover_state( step.tool_inputs )
return module
@classmethod
def default_state( Class ):
""" This method should return a dictionary describing each
configuration property and its default value.
"""
raise TypeError( "Abstract method" )
def save_to_step( self, step ):
step.type = self.type
step.tool_id = None
step.tool_version = None
step.tool_inputs = self.state
def get_state( self, secure=True ):
return dumps( self.state )
def update_state( self, incoming ):
self.recover_state( incoming )
def recover_runtime_state( self, runtime_state ):
""" Take secure runtime state from persisted invocation and convert it
into a DefaultToolState object for use during workflow invocation.
"""
fake_tool = Bunch( inputs=self.get_runtime_inputs() )
state = galaxy.tools.DefaultToolState()
state.decode( runtime_state, fake_tool, self.trans.app, secure=False )
return state
def normalize_runtime_state( self, runtime_state ):
fake_tool = Bunch( inputs=self.get_runtime_inputs() )
return runtime_state.encode( fake_tool, self.trans.app, secure=False )
def encode_runtime_state( self, trans, state ):
fake_tool = Bunch( inputs=self.get_runtime_inputs() )
return state.encode( fake_tool, trans.app )
def decode_runtime_state( self, trans, string ):
fake_tool = Bunch( inputs=self.get_runtime_inputs() )
state = galaxy.tools.DefaultToolState()
if string:
state.decode( string, fake_tool, trans.app )
return state
def update_runtime_state( self, trans, state, values ):
errors = {}
for name, param in self.get_runtime_inputs().iteritems():
value, error = check_param( trans, param, values.get( name, None ), values )
state.inputs[ name ] = value
if error:
errors[ name ] = error
return errors
def compute_runtime_state( self, trans, step_updates=None, source="html" ):
if step_updates and "tool_state" in step_updates:
# Fix this for multiple inputs
state = self.decode_runtime_state( trans, step_updates.pop( "tool_state" ) )
step_errors = self.update_runtime_state( trans, state, step_updates )
else:
state = self.get_runtime_state()
step_errors = {}
return state, step_errors
def recover_state( self, state, **kwds ):
""" Recover state `dict` from simple dictionary describing configuration
state (potentially from persisted step state).
Sub-classes should supply `default_state` method and `state_fields`
attribute which are used to build up the state `dict`.
"""
self.state = self.default_state()
for key in self.state_fields:
if state and key in state:
self.state[ key ] = state[ key ]
def get_config_form( self ):
form = self._abstract_config_form( )
return self.trans.fill_template( "workflow/editor_generic_form.mako",
module=self, form=form )
class InputModule( SimpleWorkflowModule ):
def get_runtime_state( self ):
state = galaxy.tools.DefaultToolState()
state.inputs = dict( input=None )
return state
def get_runtime_input_dicts( self, step_annotation ):
name = self.state.get( "name", self.default_name )
return [ dict( name=name, description=step_annotation ) ]
def get_data_inputs( self ):
return []
def execute( self, trans, progress, invocation, step ):
job, step_outputs = None, dict( output=step.state.inputs['input'])
# Web controller may set copy_inputs_to_history, API controller always sets
# inputs.
if invocation.copy_inputs_to_history:
for input_dataset_hda in step_outputs.values():
content_type = input_dataset_hda.history_content_type
if content_type == "dataset":
new_hda = input_dataset_hda.copy( copy_children=True )
invocation.history.add_dataset( new_hda )
step_outputs[ 'input_ds_copy' ] = new_hda
elif content_type == "dataset_collection":
new_hdca = input_dataset_hda.copy()
invocation.history.add_dataset_collection( new_hdca )
step_outputs[ 'input_ds_copy' ] = new_hdca
else:
raise Exception("Unknown history content encountered")
# If coming from UI - we haven't registered invocation inputs yet,
# so do that now so dependent steps can be recalculated. In the future
# everything should come in from the API and this can be eliminated.
if not invocation.has_input_for_step( step.id ):
content = step_outputs.values()[ 0 ]
if content:
invocation.add_input( content, step.id )
progress.set_outputs_for_input( step, step_outputs )
return job
def recover_mapping( self, step, step_invocations, progress ):
progress.set_outputs_for_input( step )
class InputDataModule( InputModule ):
type = "data_input"
name = "Input dataset"
default_name = "Input Dataset"
state_fields = [ "name" ]
@classmethod
def default_state( Class ):
return dict( name=Class.default_name )
def _abstract_config_form( self ):
form = formbuilder.FormBuilder( title=self.name ) \
.add_text( "name", "Name", value=self.state['name'] )
return form
def get_data_outputs( self ):
return [ dict( name='output', extensions=['input'] ) ]
def get_runtime_inputs( self, filter_set=['data'] ):
label = self.state.get( "name", "Input Dataset" )
return dict( input=DataToolParameter( None, Element( "param", name="input", label=label, multiple=True, type="data", format=', '.join(filter_set) ), self.trans ) )
class InputDataCollectionModule( InputModule ):
default_name = "Input Dataset Collection"
default_collection_type = "list"
type = "data_collection_input"
name = "Input dataset collection"
collection_type = default_collection_type
state_fields = [ "name", "collection_type" ]
@classmethod
def default_state( Class ):
return dict( name=Class.default_name, collection_type=Class.default_collection_type )
def get_runtime_inputs( self, filter_set=['data'] ):
label = self.state.get( "name", self.default_name )
collection_type = self.state.get( "collection_type", self.default_collection_type )
input_element = Element( "param", name="input", label=label, type="data_collection", collection_type=collection_type )
return dict( input=DataCollectionToolParameter( None, input_element, self.trans ) )
def _abstract_config_form( self ):
type_hints = odict.odict()
type_hints[ "list" ] = "List of Datasets"
type_hints[ "paired" ] = "Dataset Pair"
type_hints[ "list:paired" ] = "List of Dataset Pairs"
type_input = formbuilder.DatalistInput(
name="collection_type",
label="Collection Type",
value=self.state[ "collection_type" ],
extra_attributes=dict(refresh_on_change='true'),
options=type_hints
)
form = formbuilder.FormBuilder(
title=self.name
).add_text(
"name", "Name", value=self.state['name']
)
form.inputs.append( type_input )
return form
def get_data_outputs( self ):
return [
dict(
name='output',
extensions=['input_collection'],
collection=True,
collection_type=self.state[ 'collection_type' ]
)
]
class PauseModule( SimpleWorkflowModule ):
""" Initially this module will unconditionally pause a workflow - will aim
to allow conditional pausing later on.
"""
type = "pause"
name = "Pause for dataset review"
default_name = "Pause for Dataset Review"
state_fields = [ "name" ]
@classmethod
def default_state( Class ):
return dict( name=Class.default_name )
def get_data_inputs( self ):
input = dict(
name="input",
label="Dataset for Review",
multiple=False,
extensions='input',
input_type="dataset",
)
return [ input ]
def get_data_outputs( self ):
return [ dict( name="output", label="Reviewed Dataset", extensions=['input'] ) ]
def _abstract_config_form( self ):
form = formbuilder.FormBuilder(
title=self.name
).add_text( "name", "Name", value=self.state['name'] )
return form
def get_runtime_inputs( self, **kwds ):
return dict( )
def get_runtime_input_dicts( self, step_annotation ):
return []
def get_runtime_state( self ):
state = galaxy.tools.DefaultToolState()
state.inputs = dict( )
return state
def execute( self, trans, progress, invocation, step ):
progress.mark_step_outputs_delayed( step )
return None
def recover_mapping( self, step, step_invocations, progress ):
if step_invocations:
step_invocation = step_invocations[0]
action = step_invocation.action
if action:
connection = step.input_connections_by_name[ "input" ][ 0 ]
replacement = progress.replacement_for_connection( connection )
progress.set_step_outputs( step, { 'output': replacement } )
return
elif action is False:
raise CancelWorkflowEvaluation()
raise DelayedWorkflowEvaluation()
def do_invocation_step_action( self, step, action ):
""" Update or set the workflow invocation state action - generic
extension point meant to allows users to interact with interactive
workflow modules. The action object returned from this method will
be attached to the WorkflowInvocationStep and be available the next
time the workflow scheduler visits the workflow.
"""
return bool( action )
class ToolModule( WorkflowModule ):
type = "tool"
def __init__( self, trans, tool_id, tool_version=None ):
self.trans = trans
self.tool_id = tool_id
self.tool = trans.app.toolbox.get_tool( tool_id, tool_version=tool_version )
self.post_job_actions = {}
self.runtime_post_job_actions = {}
self.workflow_outputs = []
self.state = None
self.version_changes = []
if self.tool:
self.errors = None
else:
self.errors = {}
self.errors[ tool_id ] = 'Tool unavailable'
@classmethod
def new( Class, trans, tool_id=None ):
module = Class( trans, tool_id )
if module.tool is None:
error_message = "Attempted to create new workflow module for invalid tool_id, no tool with id - %s." % tool_id
raise Exception( error_message )
module.state = module.tool.new_state( trans )
return module
@classmethod
def from_dict( Class, trans, d, secure=True ):
tool_id = d[ 'tool_id' ]
tool_version = str( d.get( 'tool_version', None ) )
module = Class( trans, tool_id, tool_version=tool_version )
module.state = galaxy.tools.DefaultToolState()
if module.tool is not None:
message = ""
if tool_id != module.tool_id:
message += "The tool (id '%s') specified in this step is not available. Using the tool with id %s instead." % (tool_id, module.tool_id)
if d.get('tool_version', 'Unspecified') != module.get_tool_version():
message += "%s: using version '%s' instead of version '%s' specified in this workflow." % ( tool_id, d.get( 'tool_version', 'Unspecified' ), module.get_tool_version() )
if message:
log.debug(message)
module.version_changes.append(message)
if d[ "tool_state" ]:
module.state.decode( d[ "tool_state" ], module.tool, module.trans.app, secure=secure )
module.errors = d.get( "tool_errors", None )
module.post_job_actions = d.get( "post_job_actions", {} )
module.workflow_outputs = d.get( "workflow_outputs", [] )
return module
@classmethod
def from_workflow_step( Class, trans, step ):
toolbox = trans.app.toolbox
tool_id = step.tool_id
if toolbox:
# See if we have access to a different version of the tool.
# TODO: If workflows are ever enhanced to use tool version
# in addition to tool id, enhance the selection process here
# to retrieve the correct version of the tool.
tool_id = toolbox.get_tool_id( tool_id )
if ( toolbox and tool_id ):
if step.config:
# This step has its state saved in the config field due to the
# tool being previously unavailable.
return module_factory.from_dict(trans, loads(step.config), secure=False)
tool_version = step.tool_version
module = Class( trans, tool_id, tool_version=tool_version )
message = ""
if step.tool_id != module.tool_id:
message += "The tool with the id '%s' is not available. Using the tool with id '%s' instead." % (step.tool_id, module.tool_id)
if step.tool_version and (step.tool_version != module.tool.version):
message += "%s: using version '%s' instead of version '%s' specified in this workflow." % (tool_id, module.tool.version, step.tool_version)
if message:
log.debug(message)
module.version_changes.append(message)
module.recover_state( step.tool_inputs )
module.errors = step.tool_errors
module.workflow_outputs = step.workflow_outputs
pjadict = {}
for pja in step.post_job_actions:
pjadict[pja.action_type] = pja
module.post_job_actions = pjadict
return module
return None
def recover_state( self, state, **kwds ):
""" Recover module configuration state property (a `DefaultToolState`
object) using the tool's `params_from_strings` method.
"""
app = self.trans.app
self.state = galaxy.tools.DefaultToolState()
params_from_kwds = dict(
ignore_errors=kwds.get( "ignore_errors", True )
)
self.state.inputs = self.tool.params_from_strings( state, app, **params_from_kwds )
def recover_runtime_state( self, runtime_state ):
""" Take secure runtime state from persisted invocation and convert it
into a DefaultToolState object for use during workflow invocation.
"""
state = galaxy.tools.DefaultToolState()
app = self.trans.app
state.decode( runtime_state, self.tool, app, secure=False )
state_dict = loads( runtime_state )
if RUNTIME_STEP_META_STATE_KEY in state_dict:
self.__restore_step_meta_runtime_state( loads( state_dict[ RUNTIME_STEP_META_STATE_KEY ] ) )
return state
def normalize_runtime_state( self, runtime_state ):
return runtime_state.encode( self.tool, self.trans.app, secure=False )
def save_to_step( self, step ):
step.type = self.type
step.tool_id = self.tool_id
if self.tool:
step.tool_version = self.get_tool_version()
step.tool_inputs = self.tool.params_to_strings( self.state.inputs, self.trans.app )
else:
step.tool_version = None
step.tool_inputs = None
step.tool_errors = self.errors
for k, v in self.post_job_actions.iteritems():
pja = self.__to_pja( k, v, step )
self.trans.sa_session.add( pja )
def __to_pja( self, key, value, step ):
if 'output_name' in value:
output_name = value['output_name']
else:
output_name = None
if 'action_arguments' in value:
action_arguments = value['action_arguments']
else:
action_arguments = None
return PostJobAction(value['action_type'], step, output_name, action_arguments)
def get_name( self ):
if self.tool:
return self.tool.name
return 'unavailable'
def get_tool_id( self ):
return self.tool_id
def get_tool_version( self ):
return self.tool.version
def get_state( self, secure=True ):
return self.state.encode( self.tool, self.trans.app, secure=secure )
def get_errors( self ):
return self.errors
def get_tooltip( self, static_path='' ):
if self.tool.help:
return self.tool.help.render( host_url=web.url_for('/'), static_path=static_path )
else:
return None
def get_data_inputs( self ):
data_inputs = []
def callback( input, value, prefixed_name, prefixed_label ):
if isinstance( input, DataToolParameter ):
data_inputs.append( dict(
name=prefixed_name,
label=prefixed_label,
multiple=input.multiple,
extensions=input.extensions,
input_type="dataset", ) )
if isinstance( input, DataCollectionToolParameter ):
data_inputs.append( dict(
name=prefixed_name,
label=prefixed_label,
multiple=input.multiple,
input_type="dataset_collection",
collection_type=input.collection_type,
extensions=input.extensions,
) )
visit_input_values( self.tool.inputs, self.state.inputs, callback )
return data_inputs
def get_data_outputs( self ):
data_outputs = []
data_inputs = None
for name, tool_output in self.tool.outputs.iteritems():
extra_kwds = {}
if tool_output.collection:
extra_kwds["collection"] = True
extra_kwds["collection_type"] = tool_output.structure.collection_type
formats = [ 'input' ] # TODO: fix
elif tool_output.format_source is not None:
formats = [ 'input' ] # default to special name "input" which remove restrictions on connections
if data_inputs is None:
data_inputs = self.get_data_inputs()
# find the input parameter referenced by format_source
for di in data_inputs:
# input names come prefixed with conditional and repeat names separated by '|'
# remove prefixes when comparing with format_source
if di['name'] is not None and di['name'].split('|')[-1] == tool_output.format_source:
formats = di['extensions']
else:
formats = [ tool_output.format ]
for change_elem in tool_output.change_format:
for when_elem in change_elem.findall( 'when' ):
format = when_elem.get( 'format', None )
if format and format not in formats:
formats.append( format )
data_outputs.append(
dict(
name=name,
extensions=formats,
**extra_kwds
)
)
return data_outputs
def get_runtime_input_dicts( self, step_annotation ):
# Step is a tool and may have runtime inputs.
input_dicts = []
for name, val in self.state.inputs.items():
input_type = type( val )
if input_type == RuntimeValue:
input_dicts.append( { "name": name, "description": "runtime parameter for tool %s" % self.get_name() } )
elif input_type == dict:
# Input type is described by a dict, e.g. indexed parameters.
for partval in val.values():
if type( partval ) == RuntimeValue:
input_dicts.append( { "name": name, "description": "runtime parameter for tool %s" % self.get_name() } )
return input_dicts
def get_post_job_actions( self, incoming=None):
if incoming is None:
return self.post_job_actions
else:
return ActionBox.handle_incoming(incoming)
def get_config_form( self ):
self.add_dummy_datasets()
return self.trans.fill_template( "workflow/editor_tool_form.mako", module=self,
tool=self.tool, values=self.state.inputs, errors=( self.errors or {} ) )
def encode_runtime_state( self, trans, state ):
encoded = state.encode( self.tool, self.trans.app )
return encoded
def update_state( self, incoming ):
# Build a callback that handles setting an input to be required at
# runtime. We still process all other parameters the user might have
# set. We also need to make sure all datasets have a dummy value
# for dependencies to see
self.post_job_actions = ActionBox.handle_incoming(incoming)
make_runtime_key = incoming.get( 'make_runtime', None )
make_buildtime_key = incoming.get( 'make_buildtime', None )
def item_callback( trans, key, input, value, error, old_value, context ):
# Dummy value for Data parameters
if isinstance( input, DataToolParameter ) or isinstance( input, DataCollectionToolParameter ):
return DummyDataset(), None
# Deal with build/runtime (does not apply to Data parameters)
if key == make_buildtime_key:
return input.get_initial_value( trans, context ), None
elif isinstance( old_value, RuntimeValue ):
return old_value, None
elif key == make_runtime_key:
return RuntimeValue(), None
elif isinstance(value, basestring) and re.search("\$\{.+?\}", str(value)):
# Workflow Parameter Replacement, so suppress error from going to the workflow level.
return value, None
else:
return value, error
# Update state using incoming values
errors = self.tool.update_state( self.trans, self.tool.inputs, self.state.inputs, incoming, item_callback=item_callback )
self.errors = errors or None
def check_and_update_state( self ):
inputs = self.state.inputs
return self.tool.check_and_update_param_values( inputs, self.trans, allow_workflow_parameters=True )
def compute_runtime_state( self, trans, step_updates=None, source="html" ):
# Warning: This method destructively modifies existing step state.
step_errors = None
state = self.state
self.runtime_post_job_actions = {}
if step_updates:
# Get the tool
tool = self.tool
# Get old errors
old_errors = state.inputs.pop( "__errors__", {} )
# Update the state
self.runtime_post_job_actions = step_updates.get(RUNTIME_POST_JOB_ACTIONS_KEY, {})
step_errors = tool.update_state( trans, tool.inputs, state.inputs, step_updates,
update_only=True, old_errors=old_errors, source=source )
step_metadata_runtime_state = self.__step_meta_runtime_state()
if step_metadata_runtime_state:
state.inputs[ RUNTIME_STEP_META_STATE_KEY ] = step_metadata_runtime_state
return state, step_errors
def __step_meta_runtime_state( self ):
""" Build a dictionary a of meta-step runtime state (state about how
the workflow step - not the tool state) to be serialized with the Tool
state.
"""
return { RUNTIME_POST_JOB_ACTIONS_KEY: self.runtime_post_job_actions }
def __restore_step_meta_runtime_state( self, step_runtime_state ):
if RUNTIME_POST_JOB_ACTIONS_KEY in step_runtime_state:
self.runtime_post_job_actions = step_runtime_state[ RUNTIME_POST_JOB_ACTIONS_KEY ]
def execute( self, trans, progress, invocation, step ):
tool = trans.app.toolbox.get_tool( step.tool_id, tool_version=step.tool_version )
tool_state = step.state
# Not strictly needed - but keep Tool state clean by stripping runtime
# metadata parameters from it.
if RUNTIME_STEP_META_STATE_KEY in tool_state.inputs:
del tool_state.inputs[ RUNTIME_STEP_META_STATE_KEY ]
collections_to_match = self._find_collections_to_match( tool, progress, step )
# Have implicit collections...
if collections_to_match.has_collections():
collection_info = self.trans.app.dataset_collections_service.match_collections( collections_to_match )
else:
collection_info = None
param_combinations = []
if collection_info:
iteration_elements_iter = collection_info.slice_collections()
else:
iteration_elements_iter = [ None ]
for iteration_elements in iteration_elements_iter:
execution_state = tool_state.copy()
# TODO: Move next step into copy()
execution_state.inputs = make_dict_copy( execution_state.inputs )
# Connect up
def callback( input, value, prefixed_name, prefixed_label ):
replacement = None
if isinstance( input, DataToolParameter ) or isinstance( input, DataCollectionToolParameter ):
if iteration_elements and prefixed_name in iteration_elements:
if isinstance( input, DataToolParameter ):
# Pull out dataset instance from element.
replacement = iteration_elements[ prefixed_name ].dataset_instance
else:
# If collection - just use element model object.
replacement = iteration_elements[ prefixed_name ]
else:
replacement = progress.replacement_for_tool_input( step, input, prefixed_name )
return replacement
try:
# Replace DummyDatasets with historydatasetassociations
visit_input_values( tool.inputs, execution_state.inputs, callback )
except KeyError, k:
message_template = "Error due to input mapping of '%s' in '%s'. A common cause of this is conditional outputs that cannot be determined until runtime, please review your workflow."
message = message_template % (tool.name, k.message)
raise exceptions.MessageException( message )
param_combinations.append( execution_state.inputs )
execution_tracker = execute(
trans=self.trans,
tool=tool,
param_combinations=param_combinations,
history=invocation.history,
collection_info=collection_info,
workflow_invocation_uuid=invocation.uuid.hex
)
if collection_info:
step_outputs = dict( execution_tracker.implicit_collections )
else:
step_outputs = dict( execution_tracker.output_datasets )
step_outputs.update( execution_tracker.output_collections )
progress.set_step_outputs( step, step_outputs )
jobs = execution_tracker.successful_jobs
for job in jobs:
self._handle_post_job_actions( step, job, invocation.replacement_dict )
return jobs
def _find_collections_to_match( self, tool, progress, step ):
collections_to_match = matching.CollectionsToMatch()
def callback( input, value, prefixed_name, prefixed_label ):
is_data_param = isinstance( input, DataToolParameter )
if is_data_param and not input.multiple:
data = progress.replacement_for_tool_input( step, input, prefixed_name )
if isinstance( data, model.HistoryDatasetCollectionAssociation ):
collections_to_match.add( prefixed_name, data )
is_data_collection_param = isinstance( input, DataCollectionToolParameter )
if is_data_collection_param and not input.multiple:
data = progress.replacement_for_tool_input( step, input, prefixed_name )
history_query = input._history_query( self.trans )
if history_query.can_map_over( data ):
collections_to_match.add( prefixed_name, data, subcollection_type=input.collection_type )
visit_input_values( tool.inputs, step.state.inputs, callback )
return collections_to_match
def _handle_post_job_actions( self, step, job, replacement_dict ):
# Create new PJA associations with the created job, to be run on completion.
# PJA Parameter Replacement (only applies to immediate actions-- rename specifically, for now)
# Pass along replacement dict with the execution of the PJA so we don't have to modify the object.
# Combine workflow and runtime post job actions into the effective post
# job actions for this execution.
effective_post_job_actions = step.post_job_actions[:]
for key, value in self.runtime_post_job_actions.iteritems():
effective_post_job_actions.append( self.__to_pja( key, value, None ) )
for pja in effective_post_job_actions:
if pja.action_type in ActionBox.immediate_actions:
ActionBox.execute( self.trans.app, self.trans.sa_session, pja, job, replacement_dict )
else:
job.add_post_job_action( pja )
def add_dummy_datasets( self, connections=None):
if connections:
# Store onnections by input name
input_connections_by_name = \
dict( ( conn.input_name, conn ) for conn in connections )
else:
input_connections_by_name = {}
# Any connected input needs to have value DummyDataset (these
# are not persisted so we need to do it every time)
def callback( input, value, prefixed_name, prefixed_label ):
replacement = None
if isinstance( input, DataToolParameter ):
if connections is None or prefixed_name in input_connections_by_name:
if input.multiple:
replacement = [] if not connections else [DummyDataset() for conn in connections]
else:
replacement = DummyDataset()
elif isinstance( input, DataCollectionToolParameter ):
if connections is None or prefixed_name in input_connections_by_name:
replacement = DummyDataset()
return replacement
visit_input_values( self.tool.inputs, self.state.inputs, callback )
def recover_mapping( self, step, step_invocations, progress ):
# Grab a job representing this invocation - for normal workflows
# there will be just one job but if this step was mapped over there
# may be many.
job_0 = step_invocations[ 0 ].job
outputs = {}
for job_output in job_0.output_datasets:
replacement_name = job_output.name
replacement_value = job_output.dataset
# If was a mapping step, grab the output mapped collection for
# replacement instead.
if replacement_value.hidden_beneath_collection_instance:
replacement_value = replacement_value.hidden_beneath_collection_instance
outputs[ replacement_name ] = replacement_value
for job_output_collection in job_0.output_dataset_collection_instances:
replacement_name = job_output_collection.name
replacement_value = job_output_collection.dataset_collection_instance
outputs[ replacement_name ] = replacement_value
progress.set_step_outputs( step, outputs )
class WorkflowModuleFactory( object ):
def __init__( self, module_types ):
self.module_types = module_types
def new( self, trans, type, tool_id=None ):
"""
Return module for type and (optional) tool_id intialized with
new / default state.
"""
assert type in self.module_types
return self.module_types[type].new( trans, tool_id )
def from_dict( self, trans, d, **kwargs ):
"""
Return module initialized from the data in dictionary `d`.
"""
type = d['type']
assert type in self.module_types
return self.module_types[type].from_dict( trans, d, **kwargs )
def from_workflow_step( self, trans, step ):
"""
Return module initializd from the WorkflowStep object `step`.
"""
type = step.type
return self.module_types[type].from_workflow_step( trans, step )
def is_tool_module_type( module_type ):
return not module_type or module_type == "tool"
module_types = dict(
data_input=InputDataModule,
data_collection_input=InputDataCollectionModule,
pause=PauseModule,
tool=ToolModule,
)
module_factory = WorkflowModuleFactory( module_types )
def load_module_sections( trans ):
""" Get abstract description of the workflow modules this Galaxy instance
is configured with.
"""
module_sections = {}
module_sections['inputs'] = {
"name": "inputs",
"title": "Inputs",
"modules": [
{