def _compile(self, item, parent=None):
"""Compiles a item (pattern, task) into a graph + tree node."""
item_compiler = misc.match_type(item, self._matchers)
if item_compiler is not None:
self._pre_item_compile(item)
graph, node = item_compiler.compile(item, parent=parent)
self._post_item_compile(item, graph, node)
return graph, node
else:
raise TypeError("Unknown object '%s' (%s) requested to compile"
% (item, type(item)))
def ensure_atoms(self, atoms):
"""Ensure there is an atomdetail for **each** of the given atoms.
Returns list of atomdetail uuids for each atom processed.
"""
atom_ids = []
missing_ads = []
for i, atom in enumerate(atoms):
match = misc.match_type(atom, self._ensure_matchers)
if not match:
raise TypeError("Unknown atom '%s' (%s) requested to ensure" %
(atom, type(atom)))
atom_detail_cls, kind = match
atom_name = atom.name
if not atom_name:
raise ValueError("%s name must be non-empty" % (kind))
try:
atom_id = self._atom_name_to_uuid[atom_name]
except KeyError:
missing_ads.append((i, atom, atom_detail_cls))
# This will be later replaced with the uuid that is created...
atom_ids.append(None)
else:
ad = self._flowdetail.find(atom_id)
if not isinstance(ad, atom_detail_cls):
raise exceptions.Duplicate(
"Atom detail '%s' already exists in flow"
" detail '%s'" % (atom_name, self._flowdetail.name))
else:
atom_ids.append(ad.uuid)
self._set_result_mapping(atom_name, atom.save_as)
if missing_ads:
needs_to_be_created_ads = []
for (i, atom, atom_detail_cls) in missing_ads:
ad = self._create_atom_detail(
atom.name,
atom_detail_cls,
atom_version=misc.get_version_string(atom))
needs_to_be_created_ads.append((i, atom, ad))
# Add the atom detail(s) to a clone, which upon success will be
# updated into the contained flow detail; if it does not get saved
# then no update will happen.
source, clone = self._fetch_flowdetail(clone=True)
for (_i, _atom, ad) in needs_to_be_created_ads:
clone.add(ad)
self._with_connection(self._save_flow_detail, source, clone)
# Insert the needed data, and get outta here...
for (i, atom, ad) in needs_to_be_created_ads:
atom_name = atom.name
atom_ids[i] = ad.uuid
self._atom_name_to_uuid[atom_name] = ad.uuid
self._set_result_mapping(atom_name, atom.save_as)
self._failures.setdefault(atom_name, {})
return atom_ids
def ensure_atoms(self, atoms):
"""Ensure there is an atomdetail for **each** of the given atoms.
Returns list of atomdetail uuids for each atom processed.
"""
atom_ids = []
missing_ads = []
for i, atom in enumerate(atoms):
match = misc.match_type(atom, self._ensure_matchers)
if not match:
raise TypeError("Unknown atom '%s' (%s) requested to ensure"
% (atom, type(atom)))
atom_detail_cls, kind = match
atom_name = atom.name
if not atom_name:
raise ValueError("%s name must be non-empty" % (kind))
try:
atom_id = self._atom_name_to_uuid[atom_name]
except KeyError:
missing_ads.append((i, atom, atom_detail_cls))
# This will be later replaced with the uuid that is created...
atom_ids.append(None)
else:
ad = self._flowdetail.find(atom_id)
if not isinstance(ad, atom_detail_cls):
raise exceptions.Duplicate(
"Atom detail '%s' already exists in flow"
" detail '%s'" % (atom_name, self._flowdetail.name))
else:
atom_ids.append(ad.uuid)
self._set_result_mapping(atom_name, atom.save_as)
if missing_ads:
needs_to_be_created_ads = []
for (i, atom, atom_detail_cls) in missing_ads:
ad = self._create_atom_detail(
atom.name, atom_detail_cls,
atom_version=misc.get_version_string(atom))
needs_to_be_created_ads.append((i, atom, ad))
# Add the atom detail(s) to a clone, which upon success will be
# updated into the contained flow detail; if it does not get saved
# then no update will happen.
source, clone = self._fetch_flowdetail(clone=True)
for (_i, _atom, ad) in needs_to_be_created_ads:
clone.add(ad)
self._with_connection(self._save_flow_detail, source, clone)
# Insert the needed data, and get outta here...
for (i, atom, ad) in needs_to_be_created_ads:
atom_name = atom.name
atom_ids[i] = ad.uuid
self._atom_name_to_uuid[atom_name] = ad.uuid
self._set_result_mapping(atom_name, atom.save_as)
self._failures.setdefault(atom_name, {})
return atom_ids
def ensure_atom(self, atom):
"""Ensure that there is an atomdetail in storage for the given atom.
Returns uuid for the atomdetail that is/was created.
"""
match = misc.match_type(atom, self._ensure_matchers)
if not match:
raise TypeError("Unknown atom '%s' (%s) requested to ensure"
% (atom, type(atom)))
else:
detail_cls, kind = match
atom_id = self._ensure_atom_detail(kind, detail_cls, atom.name,
misc.get_version_string(atom),
atom.save_as)
return atom_id
