3 from logging
import getLogger; log =
getLogger(
"DQDefects.virtual_defect_mixin")
4 from DQUtils
import fetch_iovs
6 from .exceptions
import DefectUnknownError, DefectExistsError
7 from .ids
import choose_new_defect_id
8 from .virtual_logic
import DefectLogic
10 from typing
import Optional, Iterable, Mapping, Set, Sequence, List
13 NONHEAD_MODIFICATION_MSG = (
"Operations which modify virtual defects can only "
14 "be done on the HEAD tag.")
18 Navigate the node to determine dependencies. Circular references raise an
21 Shamelessly stolen algorithm from:
22 http://www.electricmonk.nl/log/2008/08/07/dependency-resolving-algorithm/
24 if resolved
is None: resolved = []
25 if unresolved
is None: unresolved = []
26 unresolved.append(node)
27 for dependency
in node.dependencies:
28 if dependency
not in resolved:
29 if dependency
in unresolved:
30 raise Exception(
'Circular reference detected: %s -> %s'
31 % (node.name, dependency.name))
35 unresolved.remove(node)
41 A DefectsDB mixin for managing virtual defects
46 super(DefectsDBVirtualDefectsMixin, self).
__init__()
49 all_defects = self.defect_names | self.virtual_defect_names
50 for clause
in clauses.split():
51 if clause[0]
in (
'!',
'-'):
53 assert clause
in all_defects, (clause +
" is not a known defect")
58 assert self.
logics_tag ==
"HEAD", NONHEAD_MODIFICATION_MSG
59 assert not self._read_only,
"Insertion on read-only database"
63 comment: Optional[str] =
None, tag: Optional[str] =
None) ->
None:
64 defect_id = self.defect_chan_as_id(defect_name)
66 assert self.defect_is_virtual(defect_id), (
"Tried to update nonvirtual"
67 " defect with update_virtual_defect()")
71 tag = tag
if tag
is not None else 'HEAD'
72 ucomment = comment.encode(
'utf-8')
if comment
is not None else None
74 self._defect_logic_payload[
"clauses"] = clauses.encode(
'ascii')
76 store = self.defect_logic_folder.storeObject
77 store(0, 2**63-1, self._defect_logic_payload, defect_id, tag.encode(
'ascii'),
78 (
True if tag !=
'HEAD' else False))
80 if comment
is not None:
81 self.defect_logic_folder.setChannelDescription(defect_id, ucomment)
83 def rename_defect(self, defect_name: str, new_defect_name: str) ->
None:
85 Rename a defect (primary or virtual). Will keep data and channel ID.
86 Will fix up all virtual defect dependencies in all tags.
88 assert not self._read_only,
"Channel rename on read-only database"
91 oldname = self.normalize_defect_names(new_defect_name)
93 except DefectUnknownError:
96 defect_id = self.defect_chan_as_id(defect_name)
98 anew_defect_name = new_defect_name.encode(
'ascii')
99 if self.defect_is_virtual(defect_id):
100 self.defect_logic_folder.setChannelName(defect_id, anew_defect_name)
106 self.defects_folder.setChannelName(defect_id, anew_defect_name)
112 @contextlib.contextmanager
113 def logics_unlocking(tag):
114 atag = tag.encode(
'ascii')
115 log.info(
'Unlocking tag %s', tag)
116 folder = self.defect_logic_folder
117 orig_status = folder.tagLockStatus(atag)
119 folder.setTagLockStatus(atag, 0)
122 folder.setTagLockStatus(atag, orig_status)
123 log.info(
'Done with tag %s', tag)
125 def logic_substitute(clause, oldname, newname):
128 if clause[0]
in (
'!',):
131 if clause != oldname:
134 return prefix + newname
136 for tag
in [
'HEAD'] + self.logics_tags:
138 for vd, logic
in logics.items():
139 if defect_name
in logic.realclauses:
140 newclauses =
' '.
join([logic_substitute(x, defect_name,
142 for x
in logic.clauses
144 with logics_unlocking(tag):
150 Create a new virtual defect
152 assert self.
logics_tag ==
"HEAD", NONHEAD_MODIFICATION_MSG
153 assert not self._read_only,
"Insertion on read-only database"
154 from DQUtils.channel_mapping
import get_channel_ids_names
157 store = self.defect_logic_folder.storeObject
158 p = self._defect_logic_payload
162 p[
"clauses"] = clauses.encode(
'ascii')
168 log.debug(
"Creating new defect %s: 0x%08x", defect_name, defect_id)
171 oldname = self.normalize_defect_names(defect_name)
173 except DefectUnknownError:
176 if (defect_id
in ids):
178 self.defect_logic_folder.createChannel(defect_id, defect_name.encode(
'ascii'), comment.encode(
'utf-8'))
179 store(0, 2**63-1, p, defect_id)
180 self._new_virtual_defect(defect_id, defect_name)
185 Returns a list of DefectLogic objects that need to be evaluated,
186 in the correct order for them to be consistent.
188 `defects` should be a list of names
202 dependencies = logics
205 resolved.remove(MasterNode)
210 Determine which primary flags are used for
211 a given list of input `virtual_defect_names`.
213 primary_defects =
set()
214 for defect_logic
in defect_logics:
215 primary_defects |= defect_logic.primary_defects
217 return primary_defects
222 Returns all virtual defects in the form {"defect_name" : DefectLogic()}
223 for the tag DefectDB was constructed on.
233 if tag !=
"HEAD" and not self.defect_logic_folder.existsUserTag(tag.encode(
'ascii')):
237 logics =
fetch_iovs(self.defect_logic_folder, tag=tag.encode(
'ascii'),
240 logics = {l.channel:
DefectLogic(l)
for l
in logics}
242 for _, defect_logic
in logics.items():
243 defect_logic._populate(logics)
248 exclude: Sequence[str] = [
'TIGHT',
'IDTIGHT',
'PHYS_.*']):
250 Returns primary defects that are depended on by a virtual defect
251 if old_primary_only == True, only return those depended on by a
252 virtual defect with no _ in the name
253 ignores virtual defects in exclude list
254 accepts regexes in exclude list
258 vdl = dict(l
for l
in vdl.items()
if '_' not in l[0])
261 rex = re.compile(
'(%s)' %
'|'.
join(exclude))
262 vdl = dict(l
for l
in vdl.items()
if not rex.match(l[0]))
267 When called, uses an assertion to check that there are no missing
268 defects. This is a database consistency check which should never be
269 violated (but was when DQDefects was new).
271 all_defects = self.defect_names | self.virtual_defect_names
276 used_defects.update(logic.realclauses)
277 for clause
in logic.realclauses:
278 used_by.setdefault(clause, []).
append(defect)
280 missing_defects = used_defects - all_defects
283 log.error(
"-- The missing defects are used by the following virtual defects")
284 log.error(
"<missing> : <used by>")
285 for missing
in missing_defects:
286 log.error(missing +
":" +
", ".
join(used_by[missing]))
288 assert not missing_defects, (
"The following defects are used but not "
289 "defined anywhere: %r" % missing_defects)