forked from expo/troggle
314 lines
19 KiB
Python
314 lines
19 KiB
Python
import os
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import re
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from django.conf import settings
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from django.db import transaction
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from troggle.core.models import DataIssue, get_process_memory
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from troggle.core.models_caves import Area, Cave, Entrance, CaveSlug, EntranceSlug, CaveAndEntrance
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'''Reads all the cave description data by parsing the xml files (stored as e.g. :EXPOWEB:/cave-data/1623-161.html )
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and creating the various Cave, Entrance and necessary Area objects.
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BUT in Django 2.0 and later we cannot do any queries on data we have just entered
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because this is all happening inside one transaction. Bummer.
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django.db.transaction.TransactionManagementError:
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An error occurred in the current transaction. You can't execute queries until the end of the 'atomic' block.
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'''
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entrances_xslug = {}
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caves_xslug = {}
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areas_xslug = {}
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def readcaves():
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'''Reads the xml-format HTML files in the EXPOWEB repo, not from the loser repo.
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'''
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with transaction.atomic():
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print(" - Deleting Caves and Entrances")
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Cave.objects.all().delete()
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Entrance.objects.all().delete()
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# Clear the cave data issues and the caves as we are reloading
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DataIssue.objects.filter(parser='caves').delete()
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DataIssue.objects.filter(parser='entrances').delete()
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area_1623 = Area.objects.update_or_create(short_name = "1623", parent = None)
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# This seems to retrun a tuple, not a single object! i.e. (<Area: 1623>, True)
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#print(f' ! - READ CAVES: {area_1623}')
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area_1626 = Area.objects.update_or_create(short_name = "1626", parent = None)
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print (" - Setting pending caves")
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# Do this first, so that these empty entries are overwritten as they get properly created.
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# For those caves which do not have XML files even though they exist and have surveys
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# also needs to be done *before* entrances so that the entrance-cave links work properly.
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pending = ["2007-04", "2007-05", "2007-06", "2007-07", "2007-12", "2009-01", "2009-02",
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"2010-06", "2010-07", "2012-ns-01", "2012-ns-02", "2010-04", "2012-ns-05", "2012-ns-06",
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"2012-ns-07", "2012-ns-08", "2012-ns-12", "2012-ns-14", "2012-ns-15", "2014-bl888",
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"2018-pf-01", "2018-pf-02", "haldenloch", "gruenstein"]
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for k in pending:
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try:
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cave = Cave(
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unofficial_number = k,
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# official_name = "",
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underground_description = "Pending cave write-up - creating as empty object. No XML file available yet.",
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notes="_Survex file found in loser repo but no description in expoweb")
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if cave:
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cave.save() # must save to have id before foreign keys work. This is also a ManyToMany key.
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#print(f' ! - READ CAVES: cave {k} {cave}')
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cave.area.add(area_1623[0])
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cave.save()
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message = " ! {:11s} {}".format(cave.unofficial_number, cave.underground_description)
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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try: # Now create a cave slug ID
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cs = CaveSlug.objects.update_or_create(cave = cave,
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slug = "TEMP-" + k,
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primary = False)
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except:
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message = " ! {:11s} {} PENDING cave slug create failure".format(k)
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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else:
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message = f' ! {k:11s} PENDING cave slug create failure'
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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except:
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message = " ! Error. Cannot create pending cave, pending-id:{}".format(k)
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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raise
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with transaction.atomic():
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print(" - Reading Entrances from entrance descriptions xml files")
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print(" - settings.CAVEDESCRIPTIONS: ", settings.CAVEDESCRIPTIONS)
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for filename in next(os.walk(settings.ENTRANCEDESCRIPTIONS))[2]: #Should be a better way of getting a list of files
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if filename.endswith('.html'):
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readentrance(filename)
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print(" - Reading Caves from cave descriptions xml files")
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for filename in next(os.walk(settings.CAVEDESCRIPTIONS))[2]: #Should be a better way of getting a list of files
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if filename.endswith('.html'):
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readcave(filename)
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def readentrance(filename):
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global entrances_xslug
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global caves_xslug
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global areas_xslug
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# Note: these are HTML files in the EXPOWEB repo, not from the loser repo.
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with open(os.path.join(settings.ENTRANCEDESCRIPTIONS, filename)) as f:
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contents = f.read()
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context = "in file %s" % filename
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#print("Reading file ENTRANCE {} / {}".format(settings.ENTRANCEDESCRIPTIONS, filename))
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entrancecontentslist = getXML(contents, "entrance", maxItems = 1, context = context)
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if len(entrancecontentslist) == 1:
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entrancecontents = entrancecontentslist[0]
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non_public = getXML(entrancecontents, "non_public", maxItems = 1, context = context)
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name = getXML(entrancecontents, "name", maxItems = 1, context = context)
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slugs = getXML(entrancecontents, "slug", context = context)
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entrance_description = getXML(entrancecontents, "entrance_description", maxItems = 1, context = context)
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explorers = getXML(entrancecontents, "explorers", maxItems = 1, context = context)
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map_description = getXML(entrancecontents, "map_description", maxItems = 1, context = context)
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location_description = getXML(entrancecontents, "location_description", maxItems = 1, context = context)
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approach = getXML(entrancecontents, "approach", maxItems = 1, context = context)
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underground_description = getXML(entrancecontents, "underground_description", maxItems = 1, context = context)
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photo = getXML(entrancecontents, "photo", maxItems = 1, context = context)
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marking = getXML(entrancecontents, "marking", maxItems = 1, context = context)
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marking_comment = getXML(entrancecontents, "marking_comment", maxItems = 1, context = context)
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findability = getXML(entrancecontents, "findability", maxItems = 1, context = context)
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findability_description = getXML(entrancecontents, "findability_description", maxItems = 1, context = context)
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alt = getXML(entrancecontents, "alt", maxItems = 1, context = context)
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northing = getXML(entrancecontents, "northing", maxItems = 1, context = context)
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easting = getXML(entrancecontents, "easting", maxItems = 1, context = context)
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tag_station = getXML(entrancecontents, "tag_station", maxItems = 1, context = context)
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exact_station = getXML(entrancecontents, "exact_station", maxItems = 1, context = context)
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other_station = getXML(entrancecontents, "other_station", maxItems = 1, context = context)
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other_description = getXML(entrancecontents, "other_description", maxItems = 1, context = context)
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bearings = getXML(entrancecontents, "bearings", maxItems = 1, context = context)
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url = getXML(entrancecontents, "url", maxItems = 1, context = context)
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if len(non_public) == 1 and len(slugs) >= 1 and len(name) >= 1 and len(entrance_description) == 1 and len(explorers) == 1 and len(map_description) == 1 and len(location_description) == 1 and len(approach) == 1 and len(underground_description) == 1 and len(marking) == 1 and len(marking_comment) == 1 and len(findability) == 1 and len(findability_description) == 1 and len(alt) == 1 and len(northing) == 1 and len(easting) == 1 and len(tag_station) == 1 and len(exact_station) == 1 and len(other_station) == 1 and len(other_description) == 1 and len(bearings) == 1 and len(url) == 1:
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e, state = Entrance.objects.update_or_create(name = name[0],
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non_public = {"True": True, "False": False, "true": True, "false": False,}[non_public[0]],
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entrance_description = entrance_description[0],
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explorers = explorers[0],
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map_description = map_description[0],
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location_description = location_description[0],
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approach = approach[0],
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underground_description = underground_description[0],
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photo = photo[0],
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marking = marking[0],
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marking_comment = marking_comment[0],
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findability = findability[0],
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findability_description = findability_description[0],
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alt = alt[0],
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northing = northing[0],
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easting = easting[0],
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tag_station = tag_station[0],
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exact_station = exact_station[0],
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other_station = other_station[0],
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other_description = other_description[0],
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bearings = bearings[0],
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url = url[0],
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filename = filename,
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cached_primary_slug = slugs[0])
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primary = True
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for slug in slugs:
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#print("entrance slug:{} filename:{}".format(slug, filename))
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try:
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cs = EntranceSlug.objects.update_or_create(entrance = e,
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slug = slug,
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primary = primary)
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except:
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# need to cope with duplicates
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print(" ! FAILED to get only one ENTRANCE when updating using: "+filename)
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kents = EntranceSlug.objects.all().filter(entrance = e,
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slug = slug,
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primary = primary)
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for k in kents:
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message = " ! - DUPLICATE in db. entrance:"+ str(k.entrance) + ", slug:" + str(k.slug())
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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for k in kents:
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if k.slug() != None:
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print(" ! - OVERWRITING this one: slug:"+ str(k.slug()))
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k.notes = "DUPLICATE entrance found on import. Please fix\n" + k.notes
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c = k
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primary = False
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def readcave(filename):
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'''Assumes any area it hasn't seen before is a subarea of 1623
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'''
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global entrances_xslug
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global caves_xslug
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global areas_xslug
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# Note: these are HTML files in the EXPOWEB repo, not from the loser repo.
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with open(os.path.join(settings.CAVEDESCRIPTIONS, filename)) as f:
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contents = f.read()
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context = " in file %s" % filename
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cavecontentslist = getXML(contents, "cave", maxItems = 1, context = context)
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if len(cavecontentslist) == 1:
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cavecontents = cavecontentslist[0]
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non_public = getXML(cavecontents, "non_public", maxItems = 1, context = context)
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slugs = getXML(cavecontents, "caveslug", maxItems = 1, context = context)
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official_name = getXML(cavecontents, "official_name", maxItems = 1, context = context)
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areas = getXML(cavecontents, "area", context = context)
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kataster_code = getXML(cavecontents, "kataster_code", maxItems = 1, context = context)
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kataster_number = getXML(cavecontents, "kataster_number", maxItems = 1, context = context)
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unofficial_number = getXML(cavecontents, "unofficial_number", maxItems = 1, context = context)
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explorers = getXML(cavecontents, "explorers", maxItems = 1, context = context)
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underground_description = getXML(cavecontents, "underground_description", maxItems = 1, context = context)
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equipment = getXML(cavecontents, "equipment", maxItems = 1, context = context)
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references = getXML(cavecontents, "references", maxItems = 1, context = context)
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survey = getXML(cavecontents, "survey", maxItems = 1, context = context)
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kataster_status = getXML(cavecontents, "kataster_status", maxItems = 1, context = context)
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underground_centre_line = getXML(cavecontents, "underground_centre_line", maxItems = 1, context = context)
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notes = getXML(cavecontents, "notes", maxItems = 1, context = context)
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length = getXML(cavecontents, "length", maxItems = 1, context = context)
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depth = getXML(cavecontents, "depth", maxItems = 1, context = context)
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extent = getXML(cavecontents, "extent", maxItems = 1, context = context)
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survex_file = getXML(cavecontents, "survex_file", maxItems = 1, context = context)
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description_file = getXML(cavecontents, "description_file", maxItems = 1, context = context)
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url = getXML(cavecontents, "url", maxItems = 1, context = context)
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entrances = getXML(cavecontents, "entrance", context = context)
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if len(non_public) == 1 and len(slugs) >= 1 and len(official_name) == 1 and len(areas) >= 1 and len(kataster_code) == 1 and len(kataster_number) == 1 and len(unofficial_number) == 1 and len(explorers) == 1 and len(underground_description) == 1 and len(equipment) == 1 and len(references) == 1 and len(survey) == 1 and len(kataster_status) == 1 and len(underground_centre_line) == 1 and len(notes) == 1 and len(length) == 1 and len(depth) == 1 and len(extent) == 1 and len(survex_file) == 1 and len(description_file ) == 1 and len(url) == 1 and len(entrances) >= 1:
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try:
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c, state = Cave.objects.update_or_create(non_public = {"True": True, "False": False, "true": True, "false": False,}[non_public[0]],
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official_name = official_name[0],
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kataster_code = kataster_code[0],
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kataster_number = kataster_number[0],
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unofficial_number = unofficial_number[0],
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explorers = explorers[0],
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underground_description = underground_description[0],
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equipment = equipment[0],
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references = references[0],
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survey = survey[0],
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kataster_status = kataster_status[0],
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underground_centre_line = underground_centre_line[0],
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notes = notes[0],
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length = length[0],
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depth = depth[0],
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extent = extent[0],
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survex_file = survex_file[0],
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description_file = description_file[0],
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url = url[0],
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filename = filename)
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except:
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print(" ! FAILED to get only one CAVE when updating using: "+filename)
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kaves = Cave.objects.all().filter(kataster_number=kataster_number[0])
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for k in kaves:
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message = " ! - DUPLICATES in db. kataster:"+ str(k.kataster_number) + ", slug:" + str(k.slug())
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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for k in kaves:
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if k.slug() != None:
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print(" ! - OVERWRITING this one: slug:"+ str(k.slug()))
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k.notes = "DUPLICATE kataster number found on import. Please fix\n" + k.notes
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c = k
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for area_slug in areas:
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if area_slug in areas_xslug:
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newArea = areas_xslug[area_slug]
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else:
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area = Area.objects.filter(short_name = area_slug)
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if area:
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newArea = area[0]
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else:
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newArea = Area(short_name = area_slug, parent = Area.objects.get(short_name = "1623"))
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newArea.save()
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areas_xslug[area_slug] = newArea
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c.area.add(newArea)
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primary = True
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for slug in slugs:
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if slug in caves_xslug:
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cs = caves_xslug[slug]
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else:
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try:
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cs = CaveSlug.objects.update_or_create(cave = c,
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slug = slug,
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primary = primary)
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caves_xslug[slug] = cs
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except:
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message = " ! Cave update/create failure: %s, skipping file %s" % (slug, context)
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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primary = False
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for entrance in entrances:
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slug = getXML(entrance, "entranceslug", maxItems = 1, context = context)[0]
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letter = getXML(entrance, "letter", maxItems = 1, context = context)[0]
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try:
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if slug in entrances_xslug:
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entrance = entrances_xslug[slug]
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else:
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entrance = Entrance.objects.get(entranceslug__slug = slug)
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entrances_xslug[slug] = entrance
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ce = CaveAndEntrance.objects.update_or_create(cave = c, entrance_letter = letter, entrance = entrance)
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except:
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message = " ! Entrance setting failure, slug: %s letter: %s" % (slug, letter)
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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def getXML(text, itemname, minItems = 1, maxItems = None, printwarnings = True, context = ""):
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items = re.findall("<%(itemname)s>(.*?)</%(itemname)s>" % {"itemname": itemname}, text, re.S)
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if len(items) < minItems and printwarnings:
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message = " ! %(count)i %(itemname)s found, at least %(min)i expected" % {"count": len(items),
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"itemname": itemname,
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"min": minItems} + context
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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if maxItems is not None and len(items) > maxItems and printwarnings:
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message = " ! %(count)i %(itemname)s found, no more than %(max)i expected" % {"count": len(items),
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"itemname": itemname,
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"max": maxItems} + context
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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return items |