mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-22 07:11:52 +00:00
451 lines
17 KiB
Python
451 lines
17 KiB
Python
import os
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import time
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import timeit
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import settings
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os.environ['PYTHONPATH'] = settings.PYTHON_PATH
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings')
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from django.core import management
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from django.db import connection, close_old_connections
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from django.contrib.auth.models import User
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from django.http import HttpResponse
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from django.core.urlresolvers import reverse
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from troggle.core.models import Cave, Entrance
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import troggle.flatpages.models
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import json
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import troggle.logbooksdump
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# NOTE databaseRest.py is *imported* by views_other.py as it is used in the control panel
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# presented there.
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expouser=settings.EXPOUSER
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expouserpass=settings.EXPOUSERPASS
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expouseremail=settings.EXPOUSER_EMAIL
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def reinit_db():
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"""Rebuild database from scratch. Deletes the file first if sqlite is used,
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otherwise it drops the database and creates it.
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"""
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currentdbname = settings.DATABASES['default']['NAME']
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if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
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try:
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os.remove(currentdbname)
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except OSError:
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pass
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else:
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cursor = connection.cursor()
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cursor.execute("DROP DATABASE %s" % currentdbname)
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cursor.execute("CREATE DATABASE %s" % currentdbname)
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cursor.execute("ALTER DATABASE %s CHARACTER SET=utf8" % currentdbname)
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cursor.execute("USE %s" % currentdbname)
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syncuser()
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def syncuser():
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"""Sync user - needed after reload
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"""
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print("Synchronizing user")
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management.call_command('migrate', interactive=False)
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user = User.objects.create_user(expouser, expouseremail, expouserpass)
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user.is_staff = True
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user.is_superuser = True
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user.save()
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def dirsredirect():
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"""Make directories that troggle requires and sets up page redirects
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"""
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#should also deal with permissions here.
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#if not os.path.isdir(settings.PHOTOS_ROOT):
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#os.mkdir(settings.PHOTOS_ROOT)
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for oldURL, newURL in [("indxal.htm", reverse("caveindex"))]:
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f = troggle.flatpages.models.Redirect(originalURL = oldURL, newURL = newURL)
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f.save()
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def import_caves():
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import parsers.caves
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print("Importing Caves")
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parsers.caves.readcaves()
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def import_people():
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import parsers.people
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print("Importing People (folk.csv)")
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parsers.people.LoadPersonsExpos()
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def import_logbooks():
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import parsers.logbooks
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print("Importing Logbooks")
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parsers.logbooks.LoadLogbooks()
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def import_QMs():
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print("Importing QMs (old caves)")
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import parsers.QMs
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# import process itself runs on qm.csv in only 3 old caves, not the modern ones!
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def import_survexblks():
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import parsers.survex
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print("Importing Survex Blocks")
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parsers.survex.LoadAllSurvexBlocks()
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def import_survexpos():
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import parsers.survex
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print("Importing Survex x/y/z Positions")
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parsers.survex.LoadPos()
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def import_surveyimgs():
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"""This appears to store data in unused objects. The code is kept
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for future re-working to manage progress against notes, plans and elevs.
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"""
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import parsers.surveys
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print("Importing survey images")
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parsers.surveys.parseSurveys(logfile=settings.LOGFILE)
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def import_surveyscans():
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import parsers.surveys
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print("Importing Survey Scans")
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parsers.surveys.LoadListScans()
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def import_tunnelfiles():
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import parsers.surveys
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print("Importing Tunnel files")
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parsers.surveys.LoadTunnelFiles()
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# These functions moved to a different file - not used currently.
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#import logbooksdump
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#def import_auto_logbooks():
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#def dumplogbooks():
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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class JobQueue():
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"""A list of import operations to run. Always reports profile times
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in the same order.
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"""
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def __init__(self,run):
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self.runlabel = run
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self.queue = [] # tuples of (jobname, jobfunction)
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self.results = {}
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self.results_order=[
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"date","runlabel","reinit", "caves", "people",
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"logbooks", "QMs", "survexblks", "survexpos",
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"tunnel", "scans", "surveyimgs", "test", "dirsredirect", "syncuser" ]
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for k in self.results_order:
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self.results[k]=[]
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self.tfile = "import_profile.json"
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self.htmlfile = "profile.html" # for HTML results table. Not yet done.
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#Adding elements to queue - enqueue
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def enq(self,label,func):
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self.queue.append((label,func))
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return True
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#Removing the last element from the queue - dequeue
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# def deq(self):
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# if len(self.queue)>0:
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# return self.queue.pop()
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# return ("Queue Empty!")
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def loadprofiles(self):
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"""Load timings for previous runs from file
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"""
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if os.path.isfile(self.tfile):
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try:
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f = open(self.tfile, "r")
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data = json.load(f)
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for j in data:
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self.results[j] = data[j]
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except:
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print "FAILURE parsing JSON file %s" % (self.tfile)
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# Python bug: https://github.com/ShinNoNoir/twitterwebsearch/issues/12
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f.close()
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for j in self.results_order:
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self.results[j].append(None) # append a placeholder
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return True
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def saveprofiles(self):
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with open(self.tfile, 'w') as f:
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json.dump(self.results, f)
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return True
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def memdumpsql(self):
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djconn = django.db.connection
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from dump import _iterdump
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with open('memdump.sql', 'w') as f:
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for line in _iterdump(djconn):
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f.write('%s\n' % line.encode("utf8"))
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return True
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def runqonce(self):
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"""Run all the jobs in the queue provided - once
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"""
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print "** Running job ", self.runlabel
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jobstart = time.time()
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self.results["date"].pop()
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self.results["date"].append(jobstart)
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self.results["runlabel"].pop()
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self.results["runlabel"].append(self.runlabel)
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for i in self.queue:
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start = time.time()
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i[1]() # looks ugly but invokes function passed in the second item in the tuple
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duration = time.time()-start
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print "\n*- Ended \"", i[0], "\" %.1f seconds" % duration
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self.results[i[0]].pop() # the null item
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self.results[i[0]].append(duration)
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jobend = time.time()
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jobduration = jobend-jobstart
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print "** Ended job %s - %.1f seconds total." % (self.runlabel,jobduration)
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return True
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def run(self):
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"""First runs all the jobs in the queue against a scratch in-memory db
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then re-runs the import against the db specified in settings.py
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Default behaviour is to skip the in-memory phase.
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When MySQL is the db the in-memory phase crashes as MySQL does not properly
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relinquish some kind of db connection (not fixed yet)
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"""
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self.loadprofiles()
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# save db settings for later
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dbengine = settings.DATABASES['default']['ENGINE']
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dbname = settings.DATABASES['default']['NAME']
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dbdefault = settings.DATABASES['default']
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skipmem = False
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if self.runlabel:
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if self.runlabel == "":
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skipmem = True
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elif self.runlabel[0:2] == "F-":
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skipmem = True
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else:
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skipmem = True
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print "-- ", settings.DATABASES['default']['NAME'], settings.DATABASES['default']['ENGINE']
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#print "-- DATABASES.default", settings.DATABASES['default']
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if dbname ==":memory:":
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# just run, and save the sql file
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self.runqonce()
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self.memdumpsql() # saved contents of scratch db, could be imported later..
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self.saveprofiles()
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elif skipmem:
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self.runqonce()
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self.saveprofiles()
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else:
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django.db.close_old_connections() # needed if MySQL running?
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# run all the imports through :memory: first
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settings.DATABASES['default']['ENGINE'] = 'django.db.backends.sqlite3'
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settings.DATABASES['default']['NAME'] = ":memory:"
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settings.DATABASES['default'] = {'ENGINE': 'django.db.backends.sqlite3',
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'AUTOCOMMIT': True,
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'ATOMIC_REQUESTS': False,
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'NAME': ':memory:',
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'CONN_MAX_AGE': 0,
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'TIME_ZONE': 'UTC',
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'OPTIONS': {},
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'HOST': '',
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'USER': '',
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'TEST': {'COLLATION': None, 'CHARSET': None, 'NAME': None, 'MIRROR': None},
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'PASSWORD': '',
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'PORT': ''}
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print "-- ", settings.DATABASES['default']['NAME'], settings.DATABASES['default']['ENGINE']
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print "-- DATABASES.default", settings.DATABASES['default']
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# but because the user may be expecting to add this to a db with lots of tables already there,
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# the jobqueue may not start from scratch so we need to initialise the db properly first
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# because we are using an empty :memory: database
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# But initiating twice crashes it; so be sure to do it once only.
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# Damn. syncdb() is still calling MySQL somehow **conn_params not sqlite3. So crashes on expo server.
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if ("reinit",reinit_db) not in self.queue:
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reinit_db()
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if ("dirsredirect",dirsredirect) not in self.queue:
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dirsredirect()
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if ("caves",import_caves) not in self.queue:
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import_caves() # sometime extract the initialising code from this and put in reinit...
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if ("people",import_people) not in self.queue:
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import_people() # sometime extract the initialising code from this and put in reinit...
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django.db.close_old_connections() # maybe not needed here
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self.runqonce()
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self.memdumpsql()
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self.showprofile()
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# restore the original db and import again
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# if we wanted to, we could re-import the SQL generated in the first pass to be
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# blazing fast. But for the present just re-import the lot.
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settings.DATABASES['default'] = dbdefault
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settings.DATABASES['default']['ENGINE'] = dbengine
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settings.DATABASES['default']['NAME'] = dbname
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print "-- ", settings.DATABASES['default']['NAME'], settings.DATABASES['default']['ENGINE']
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django.db.close_old_connections() # maybe not needed here
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for j in self.results_order:
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self.results[j].pop() # throw away results from :memory: run
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self.results[j].append(None) # append a placeholder
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django.db.close_old_connections() # magic rune. works. found by looking in django.db__init__.py
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#django.setup() # should this be needed?
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self.runqonce() # crashes because it thinks it has no migrations to apply, when it does.
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self.saveprofiles()
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return True
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def showprofile(self):
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"""Prints out the time it took to run the jobqueue
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"""
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for k in self.results_order:
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if k =="dirsredirect":
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break
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elif k =="syncuser":
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break
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elif k =="test":
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break
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elif k =="date":
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print " days ago ",
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else:
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print '%10s (s)' % k,
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percen=0
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r = self.results[k]
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for i in range(len(r)):
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if k == "runlabel":
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if r[i]:
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rp = r[i]
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else:
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rp = " - "
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print '%8s' % rp,
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elif k =="date":
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# Calculate dates as days before present
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if r[i]:
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if i == len(r)-1:
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print " this",
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else:
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# prints one place to the left of where you expect
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days = (r[i]-r[len(r)-1])/(24*60*60)
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print '%8.2f' % days,
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elif r[i]:
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print '%8.1f' % r[i],
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if i == len(r)-1 and r[i-1]:
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percen = 100* (r[i] - r[i-1])/r[i-1]
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if abs(percen) >0.1:
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print '%8.1f%%' % percen,
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else:
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print " - ",
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print ""
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print "\n"
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return True
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def usage():
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print("""Usage is 'python databaseReset.py <command> [runlabel]'
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where command is:
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reset - normal usage: clear database and reread everything from files - time-consuming
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caves - read in the caves
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logbooks - read in the logbooks
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people - read in the people from folk.csv
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QMs - read in the QM csv files (older caves only)
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reinit - clear database (delete everything) and make empty tables. Import nothing.
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scans - the survey scans in all the wallets
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survex - read in the survex files - all the survex blocks but not the x/y/z positions
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survexpos - just the x/y/z Pos out of the survex files
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tunnel - read in the Tunnel files - which scans the survey scans too
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profile - print the profile from previous runs. Import nothing.
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resetend - (archaic?)
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writecaves - *disabled* (archaic?)
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autologbooks - read in autologbooks (what are these?)
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dumplogbooks - write out autologbooks (not working?)
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syncuser - needed after reloading database from SQL backup
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surveyimgs - read in scans by expo, must run after "people". Not used.
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test - testing...
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and [runlabel] is an optional string identifying this run of the script
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in the stored profiling data 'import-profile.json'
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if [runlabel] is absent or begins with "F-" then it will skip the :memory: pass
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caves and logbooks must be run on an empty db before the others as they
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set up db tables used by the others.
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""")
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if __name__ == "__main__":
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import troggle.core.models
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import sys
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import django
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django.setup()
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if len(sys.argv)>2:
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runlabel = sys.argv[len(sys.argv)-1]
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else:
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runlabel=None
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jq = JobQueue(runlabel)
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if len(sys.argv)==1:
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usage()
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exit()
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elif "test" in sys.argv:
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jq.enq("reinit",reinit_db)
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jq.enq("dirsredirect",dirsredirect)
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jq.enq("caves",import_caves)
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jq.enq("people",import_people)
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jq.enq("scans",import_surveyscans)
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elif "caves" in sys.argv:
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jq.enq("caves",import_caves)
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elif "logbooks" in sys.argv:
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jq.enq("logbooks",import_logbooks)
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elif "people" in sys.argv:
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jq.enq("people",import_people)
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elif "QMs" in sys.argv:
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jq.enq("QMs",import_QMs)
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elif "reinit" in sys.argv:
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jq.enq("reinit",reinit_db)
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elif "reset" in sys.argv:
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jq.enq("reinit",reinit_db)
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jq.enq("dirsredirect",dirsredirect)
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jq.enq("caves",import_caves)
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jq.enq("people",import_people)
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jq.enq("scans",import_surveyscans)
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jq.enq("logbooks",import_logbooks)
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jq.enq("QMs",import_QMs)
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jq.enq("survexblks",import_survexblks)
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jq.enq("survexpos",import_survexpos)
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jq.enq("tunnel",import_tunnelfiles)
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elif "scans" in sys.argv:
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jq.enq("scans",import_surveyscans)
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elif "survex" in sys.argv:
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jq.enq("survexblks",import_survexblks)
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jq.enq("survexpos",import_survexpos)
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elif "survexpos" in sys.argv:
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jq.enq("survexpos",import_survexpos)
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elif "surveyimgs" in sys.argv:
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jq.enq("surveyimgs",import_surveyimgs)
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elif "tunnel" in sys.argv:
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jq.enq("tunnel",import_tunnelfiles)
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elif "help" in sys.argv:
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usage()
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elif "resetend" in sys.argv:
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jq.enq("QMs",import_QMs)
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jq.enq("tunnel",import_tunnelfiles)
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jq.enq("surveyimgs",import_surveyimgs)
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elif "autologbooks" in sys.argv: # untested in 2020
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import_auto_logbooks()
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elif "dumplogbooks" in sys.argv: # untested in 2020
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dumplogbooks()
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elif "profile" in sys.argv:
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jq.showprofile()
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else:
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usage()
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print("%s not recognised as a command." % sys.argv[1])
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exit()
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jq.run()
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jq.showprofile()
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