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396 lines
15 KiB
Python
396 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright: Damien Elmes <anki@ichi2.net>
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import re
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from anki.utils import ids2str, splitFields
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SEARCH_TAG = 0
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SEARCH_TYPE = 1
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SEARCH_PHRASE = 2
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SEARCH_FID = 3
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SEARCH_TEMPLATE = 4
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SEARCH_FIELD = 5
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SEARCH_MODEL = 6
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SEARCH_GROUP = 7
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# Find
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##########################################################################
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class Finder(object):
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def __init__(self, deck):
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self.deck = deck
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def findCards(self, query):
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"Return a list of card ids for QUERY."
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self.query = query
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self._findLimits()
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if not self.lims['valid']:
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return []
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(q, args) = self._whereClause()
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query = self._orderedSelect(q)
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res = self.deck.db.list(query, **args)
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if self.deck.conf['sortBackwards']:
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res.reverse()
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return res
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def _whereClause(self):
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x = []
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if self.lims['fact']:
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x.append("fid in (select id from facts where %s)" % " and ".join(
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self.lims['fact']))
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if self.lims['card']:
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x.extend(self.lims['card'])
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q = " and ".join(x)
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if not q:
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q = "1"
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return q, self.lims['args']
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def _orderedSelect(self, lim):
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type = self.deck.conf['sortType']
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if not type:
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return "select id from cards c where " + lim
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elif type.startswith("fact"):
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if type == "factCrt":
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sort = "f.crt, c.ord"
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elif type == "factMod":
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sort = "f.mod, c.ord"
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elif type == "factFld":
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sort = "f.sfld collate nocase, c.ord"
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else:
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raise Exception()
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return """
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select c.id from cards c, facts f where %s and c.fid=f.id
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order by %s""" % (lim, sort)
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elif type.startswith("card"):
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if type == "cardMod":
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sort = "c.mod"
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elif type == "cardReps":
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sort = "c.reps"
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elif type == "cardDue":
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sort = "c.due"
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elif type == "cardEase":
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sort = "c.factor"
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elif type == "cardLapses":
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sort = "c.lapses"
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elif type == "cardIvl":
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sort = "c.ivl"
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else:
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raise Exception()
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return "select c.id from cards c where %s order by %s" % (
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lim, sort)
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else:
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raise Exception()
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def _findLimits(self):
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"Generate a list of fact/card limits for the query."
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self.lims = {
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'fact': [],
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'card': [],
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'args': {},
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'valid': True
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}
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for c, (token, isNeg, type) in enumerate(self._parseQuery()):
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if type == SEARCH_TAG:
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self._findTag(token, isNeg, c)
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elif type == SEARCH_TYPE:
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self._findCardState(token, isNeg)
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elif type == SEARCH_FID:
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self._findFids(token)
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elif type == SEARCH_TEMPLATE:
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self._findTemplate(token, isNeg)
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elif type == SEARCH_FIELD:
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self._findField(token, isNeg)
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elif type == SEARCH_MODEL:
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self._findModel(token, isNeg, c)
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elif type == SEARCH_GROUP:
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self._findGroup(token, isNeg, c)
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else:
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self._findText(token, isNeg, c)
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def _findTag(self, val, neg, c):
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if val == "none":
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self.lims['fact'].append("select id from facts where tags = ''")
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return
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extra = "not" if neg else ""
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val = val.replace("*", "%")
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if not val.startswith("%"):
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val = "% " + val
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if not val.endswith("%"):
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val += " %"
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self.lims['args']["_tag_%d" % c] = val
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self.lims['fact'].append(
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"tags %s like :_tag_%d""" % (extra, c))
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def _findCardState(self, val, neg):
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if val in ("rev", "new", "lrn"):
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if val == "rev":
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n = 2
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elif val == "new":
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n = 0
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else:
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n = 1
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self.lims['card'].append("type = %d" % n)
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elif val == "suspended":
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self.lims['card'].append("queue = -1")
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elif val == "due":
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self.lims['card'].append("(queue = 2 and due <= %d)" %
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self.deck.sched.today)
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elif val == "recent":
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self.lims['card'].append(
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"c.id in (select id from cards order by mod desc limit 100)")
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def _findText(self, val, neg, c):
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val = val.replace("*", "%")
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extra = "not" if neg else ""
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self.lims['args']["_text_%d"%c] = "%"+val+"%"
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self.lims['fact'].append("flds %s like :_text_%d escape '\\'" % (
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extra, c))
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def _findFids(self, val):
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self.lims['fact'].append("id in (%s)" % val)
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def _findModel(self, val, isNeg, c):
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extra = "not" if isNeg else ""
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self.lims['fact'].append(
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"mid %s in (select id from models where name like :_mod_%d)" % (
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extra, c))
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self.lims['args']['_mod_%d'%c] = val
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def _findGroup(self, val, isNeg, c):
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extra = "not" if isNeg else ""
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self.lims['card'].append(
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"c.gid %s in (select id from groups where name like :_grp_%d)" % (
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extra, c))
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self.lims['args']['_grp_%d'%c] = val
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def _findTemplate(self, val, isNeg):
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lims = []
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comp = "!=" if isNeg else "="
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found = False
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try:
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num = int(val) - 1
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except:
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num = None
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lims = []
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for m in self.deck.models().values():
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for t in m.templates:
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# ordinal number?
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if num is not None and t['ord'] == num:
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self.lims['card'].append("ord %s %d" % (comp, num))
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found = True
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# template name?
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elif t['name'].lower() == val.lower():
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lims.append((
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"(fid in (select id from facts where mid = %d) "
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"and ord %s %d)") % (m.id, comp, t['ord']))
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found = True
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if lims:
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self.lims['card'].append("(" + " or ".join(lims) + ")")
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self.lims['valid'] = found
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def _findField(self, token, isNeg):
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field = value = ''
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parts = token.split(':', 1);
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field = parts[0].lower()
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value = "%" + parts[1].replace("*", "%") + "%"
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# find models that have that field
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mods = {}
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for m in self.deck.models().values():
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for f in m.fields:
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if f['name'].lower() == field:
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mods[m.id] = (m, f['ord'])
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if not mods:
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# nothing has that field
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self.lims['valid'] = False
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return
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# gather fids
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regex = value.replace("%", ".*")
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fids = []
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for (id,mid,flds) in self.deck.db.execute("""
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select id, mid, flds from facts
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where mid in %s and flds like ? escape '\\'""" % (
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ids2str(mods.keys())),
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value):
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flds = splitFields(flds)
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ord = mods[mid][1]
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if re.search(regex, flds[ord]):
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fids.append(id)
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extra = "not" if isNeg else ""
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self.lims['fact'].append("id %s in %s" % (extra, ids2str(fids)))
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def _fieldNames(self):
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fields = set()
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for m in self.deck.models().values():
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fields.update([f['name'].lower() for f in m.fields])
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return list(fields)
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# Most of this function was written by Marcus
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def _parseQuery(self):
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tokens = []
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res = []
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allowedfields = self._fieldNames()
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def addSearchFieldToken(field, value, isNeg):
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if field.lower() in allowedfields:
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res.append((field + ':' + value, isNeg, SEARCH_FIELD))
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else:
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for p in phraselog:
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res.append((p['value'], p['is_neg'], p['type']))
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# break query into words or phraselog
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# an extra space is added so the loop never ends in the middle
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# completing a token
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for match in re.findall(
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r'(-)?\'(([^\'\\]|\\.)*)\'|(-)?"(([^"\\]|\\.)*)"|(-)?([^ ]+)|([ ]+)',
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self.query + ' '):
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value = (match[1] or match[4] or match[7])
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isNeg = (match[0] == '-' or match[3] == '-' or match[6] == '-')
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tokens.append({'value': value, 'is_neg': isNeg})
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intoken = isNeg = False
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field = '' #name of the field for field related commands
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phraselog = [] #log of phrases in case potential command is not a commad
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for c, token in enumerate(tokens):
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doprocess = True # only look for commands when this is true
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#prevent cases such as "field" : value as being processed as a command
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if len(token['value']) == 0:
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if intoken is True and type == SEARCH_FIELD and field:
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#case: fieldname: any thing here check for existance of fieldname
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addSearchFieldToken(field, '*', isNeg)
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phraselog = [] # reset phrases since command is completed
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intoken = doprocess = False
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if intoken is True:
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if type == SEARCH_FIELD and field:
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#case: fieldname:"value"
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addSearchFieldToken(field, token['value'], isNeg)
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intoken = doprocess = False
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elif type == SEARCH_FIELD and not field:
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#case: "fieldname":"name" or "field" anything
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if token['value'].startswith(":") and len(phraselog) == 1:
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#we now know a colon is next, so mark it as field
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# and keep looking for the value
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field = phraselog[0]['value']
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parts = token['value'].split(':', 1)
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phraselog.append(
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{'value': token['value'], 'is_neg': False,
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'type': SEARCH_PHRASE})
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if parts[1]:
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#value is included with the :, so wrap it up
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addSearchFieldToken(field, parts[1], isNeg, 'none')
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intoken = doprocess = False
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doprocess = False
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else:
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#case: "fieldname"string/"fieldname"tag:name
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intoken = False
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if intoken is False and doprocess is False:
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#command has been fully processed
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phraselog = [] # reset phraselog, since we used it for a command
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if intoken is False:
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#include any non-command related phrases in the query
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for p in phraselog: res.append(
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(p['value'], p['is_neg'], p['type']))
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phraselog = []
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if intoken is False and doprocess is True:
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field = ''
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isNeg = token['is_neg']
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if token['value'].startswith("tag:"):
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token['value'] = token['value'][4:]
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type = SEARCH_TAG
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elif token['value'].startswith("is:"):
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token['value'] = token['value'][3:].lower()
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type = SEARCH_TYPE
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elif token['value'].startswith("model:"):
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token['value'] = token['value'][6:].lower()
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type = SEARCH_MODEL
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elif token['value'].startswith("group:"):
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token['value'] = token['value'][6:].lower()
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type = SEARCH_GROUP
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elif token['value'].startswith("fid:") and len(token['value']) > 4:
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dec = token['value'][4:]
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try:
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int(dec)
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token['value'] = token['value'][4:]
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except:
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try:
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for d in dec.split(","):
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int(d)
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token['value'] = token['value'][4:]
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except:
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token['value'] = "0"
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type = SEARCH_FID
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elif token['value'].startswith("card:"):
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token['value'] = token['value'][5:]
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type = SEARCH_TEMPLATE
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else:
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type = SEARCH_FIELD
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intoken = True
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parts = token['value'].split(':', 1)
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phraselog.append(
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{'value': token['value'], 'is_neg': isNeg,
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'type': SEARCH_PHRASE})
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if len(parts) == 2 and parts[0]:
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field = parts[0]
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if parts[1]:
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#simple fieldname:value case -
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#no need to look for more data
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addSearchFieldToken(field, parts[1], isNeg)
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intoken = doprocess = False
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if intoken is False: phraselog = []
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if intoken is False and doprocess is True:
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res.append((token['value'], isNeg, type))
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return res
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# Find and replace
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##########################################################################
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def findReplace(deck, fids, src, dst, isRe=False, field=None):
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"Find and replace fields in a fact."
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# find
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s = "select id, fid, value from fdata where fid in %s"
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if isRe:
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isRe = re.compile(src)
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else:
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s += " and value like :v"
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if field:
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s += " and fmid = :fmid"
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rows = deck.db.all(s % ids2str(fids),
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v="%"+src.replace("%", "%%")+"%",
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fmid=field)
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modded = []
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if isRe:
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modded = [
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{'id': id, 'fid': fid, 'val': re.sub(isRe, dst, val)}
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for (id, fid, val) in rows
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if isRe.search(val)]
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else:
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modded = [
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{'id': id, 'fid': fid, 'val': val.replace(src, dst)}
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for (id, fid, val) in rows
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if val.find(src) != -1]
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# update
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if modded:
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deck.db.executemany(
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'update fdata set value = :val where id = :id', modded)
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deck.updateCardQACacheFromIds([f['fid'] for f in modded],
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type="facts")
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if field:
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deck.updateFieldChecksums(field)
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else:
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deck.updateAllFieldChecksums()
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return len(set([f['fid'] for f in modded]))
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# Find duplicates
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##########################################################################
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def findDuplicates(deck, fmids):
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data = deck.db.all(
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"select fid, value from fdata where fmid in %s" %
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ids2str(fmids))
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vals = {}
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for (fid, val) in data:
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if not val.strip():
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continue
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if val not in vals:
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vals[val] = [fid]
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else:
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vals[val].append(fid)
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return [(k,v) for (k,v) in vals.items() if len(v) > 1]
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