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android_calendar.py
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# -*- coding: utf-8 -*-
__author__ = "xiaoyuge"
import os
import PA_runtime
import sqlite3
from PA_runtime import *
import clr
try:
clr.AddReference('model_calendar')
clr.AddReference('System.Data.SQLite')
clr.AddReference('bcp_basic')
except:
pass
del clr
import shutil
import hashlib
import bcp_basic
import model_calendar
from model_calendar import *
import System.Data.SQLite as SQLite
SQL_JOIN_TABLE_CALENDAR = '''select Events.calendar_id, Events._id, Events.title, Events.eventLocation, Events.description, Events.dtstart,
Reminders.minutes, Events.dtend, Events.rrule, Calendars.calendar_displayName from Events left join Reminders on Events._id = Reminders.event_id left join Calendars on Events.calendar_id = Calendars._id'''
VERSION_APP_VALUE = 1
class CalendarParser(object):
def __init__(self, node, extractDeleted, extractSource):
self.node = node
self.extractDeleted = extractDeleted
self.extractSource = extractSource
self.db = None
self.mc = MC()
md5_db = hashlib.md5()
md5_db.update(self.node.AbsolutePath.encode(encoding = 'utf-8'))
self.db_cache = ds.OpenCachePath("CALENDAR") + '\\' + md5_db.hexdigest().upper() +'.db'
self.sourceDB = ds.OpenCachePath("CALENDAR") + '\\CalendarSourceDB'
def analyze_calendar(self):
try:
db_source = self.sourceDB + '\\calendar.db'
self.db = SQLite.SQLiteConnection('Data Source = {}'.format(db_source))
self.db.Open()
self.db_cmd = SQLite.SQLiteCommand(self.db)
if self.db is None:
return
try:
self.db_cmd.CommandText = SQL_JOIN_TABLE_CALENDAR
sr = self.db_cmd.ExecuteReader()
except Exception as e:
self.db_cmd.Dispose()
self.db.Close()
self.analyze_logic_calendar()
return
while (sr.Read()):
calendar = Calendar()
if canceller.IsCancellationRequested:
break
try:
calendar.calendar_id = sr[0]
calendar.title = sr[2]
calendar.description = sr[4]
calendar.dtstart = sr[5]
calendar.remind = sr[6]
calendar.dtend = sr[7]
if not IsDBNull(sr[8]):
calendar.rrule = self._extractData(sr[8],'FREQ')
calendar.interval = self._extractData(sr[8],'INTERVAL')
calendar.until = self._extractData(sr[8],'UNTIL')
calendar.source = self.node.AbsolutePath
calendar.calendar_displayName = sr[9]
self.mc.db_insert_calendar(calendar)
except:
pass
self.mc.db_commit()
sr.Close()
self.db.Close()
except Exception as e:
print(e)
def decode_recover_calendar_table(self):
try:
self.db = SQLiteParser.Database.FromNode(self.node, canceller)
if self.db is None:
return
ts = SQLiteParser.TableSignature('Events')
except:
return
try:
calendar = Calendar()
for row in self.db.ReadTableDeletedRecords(ts, False):
if canceller.IsCancellationRequested:
break
try:
calendar.calendar_id = row['calendar_id'].Value if 'calendar_id' in row and not row['calendar_id'].IsDBNull else None
calendar.title = row['title'].Value if 'title' in row and not row['title'].IsDBNull else None
calendar.description = row['description'].Value if 'description' in row and not row['description'].IsDBNull else None
calendar.dtstart = row['dtstart'].Value if 'dtstart' in row and not row['dtstart'].IsDBNull else None
calendar.dend = row['dend'].Value if 'dend' in row and not row['dend'].IsDBNull else None
calendar.rrule = self._extractData(row['rrule'].Value,'FREQ') if 'rrule' in row and not row['rrule'].IsDBNull else None
calendar.interval = self._extractData(row['rrule'].Value,'INTERVAL') if 'rrule' in row and not row['rrule'].IsDBNull else None
calendar.until = self._extractData(row['rrule'].Value,'UNTIL') if 'rrule' in row and not row['rrule'].IsDBNull else None
calendar.source = self.node.AbsolutePath
calendar.deleted = 1
self.mc.db_insert_calendar(calendar)
except:
pass
self.mc.db_commit()
except Exception as e:
pass
def analyze_logic_calendar(self):
try:
db_source = self.node.PathWithMountPoint
self.db = SQLite.SQLiteConnection('Data Source = {}'.format(db_source))
self.db.Open()
self.db_cmd = SQLite.SQLiteCommand(self.db)
if self.db is None:
return
self.db_cmd.CommandText = '''select distinct * from Calendar'''
sr = self.db_cmd.ExecuteReader()
while (sr.Read()):
calendar = Calendar()
if canceller.IsCancellationRequested:
break
try:
calendar.calendar_id = sr[0]
calendar.title = sr[1]
calendar.description = sr[3]
calendar.dtstart = sr[5]
calendar.dtend = sr[6]
calendar.rrule = self._extractData(sr[4],'FREQ')
calendar.interval = self._extractData(sr[4],'INTERVAL')
calendar.until = self._extractData(sr[4],'UNTIL')
calendar.source = self.node.AbsolutePath
self.mc.db_insert_calendar(calendar)
except:
pass
self.mc.db_commit()
sr.Close()
self.db.Close()
except:
pass
def _extractData(self,s,subs):
if s is not None:
lis = s.split(';')
for i in lis:
if i.find(subs)>=0:
return i
return None
def parse(self):
if self.mc.need_parse(self.db_cache, VERSION_APP_VALUE):
self.mc.db_create(self.db_cache)
self._copytocache()
self.analyze_calendar()
self.decode_recover_calendar_table()
self.mc.db_insert_table_version(model_calendar.VERSION_KEY_DB, model_calendar.VERSION_VALUE_DB)
self.mc.db_insert_table_version(model_calendar.VERSION_KEY_APP, VERSION_APP_VALUE)
self.mc.db_commit()
self.mc.db_close()
SQLite.SQLiteConnection.ClearAllPools()
try:
if os.path.exists(self.sourceDB):
shutil.rmtree(self.sourceDB)
except:
pass
#bcp entry
temp_dir = ds.OpenCachePath('tmp')
PA_runtime.save_cache_path(bcp_basic.BASIC_CALENDAR_INFOMATION, self.db_cache, temp_dir)
generate = Generate(self.db_cache)
models = generate.get_models()
return models
def _copytocache(self):
sourceDir = self.node.Parent.PathWithMountPoint
targetDir = self.sourceDB
try:
if not os.path.exists(targetDir):
shutil.copytree(sourceDir, targetDir)
except Exception as e:
print(e)
def analyze_android_calendar(node, extractDeleted, extractSource):
pr = ParserResults()
pr.Models.AddRange(CalendarParser(node, extractDeleted, extractSource).parse())
pr.Build('系统日历')
return pr
def execute(node, extractDeleted):
return analyze_android_calendar(node, extractDeleted, False)