forked from expo/troggle
503 lines
28 KiB
Python
503 lines
28 KiB
Python
import os
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import re
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import sys
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from pathlib import Path
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from django.conf import settings
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from django.db import transaction
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from troggle.settings import SURVEX_DATA, EXPOWEB, CAVEDESCRIPTIONS, ENTRANCEDESCRIPTIONS
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from troggle.core.models.troggle import DataIssue
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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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This is the first import that happens after the dabase is reinitialised.
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So is the first thing that creates tables.
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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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todo='''- db Update does not work when a cave id is in the pending list but a proper cave description file exists
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and is being imported. It should work. But currently Django aborts and he file is not read in.
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- Cannot use Edit This Page for pendingcaves.txt_edit as Edit This Page is expecting an html file.
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So we will need a separate file-editing capability just for this configuration file ?!
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- crashes on MariaDB on server when deleting Caves and complains Area needs a non null parent, But this is not true.
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The only solution we have found is to let it crash, then stop and restart MariaDB (requires a logon able to sudo)
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and then restart the databasereset.py again. (status as of July 2022)
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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 dummy_entrance(k, slug, msg="DUMMY"):
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'''Returns an empty entrance object for either a PENDING cave or a DUMMY entrance if
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user forgot to provide one when creating the cave
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'''
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ent = Entrance(
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name = k,
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entrance_description = "Dummy entrance: auto-created when registering a new cave " +
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"and you forgot to create an entrance for it. Click on 'Edit' to enter the correct data, then 'Submit'.",
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marking = '?')
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if ent:
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ent.save() # must save to have id before foreign keys work.
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try: # Now create a entrance slug ID
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es = EntranceSlug.objects.update_or_create(entrance = ent,
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slug = slug, primary = False)
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except:
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message = f" ! {k:11s} {msg} entrance create failure"
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DataIssue.objects.create(parser='caves', message=message, url=f'{slug}')
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print(message)
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ent.cached_primary_slug = slug
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ent.filename = slug + ".html"
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ent.save()
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return ent
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else:
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message = f" ! {k:11s} {msg} cave SLUG '{slug}' create failure"
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DataIssue.objects.create(parser='caves', message=message, url=f'{slug}')
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print(message)
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raise
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def set_dummy_entrance(id, slug, cave, msg="DUMMY"):
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'''Entrance field either missing or holds a null string instead of a filename in a cave_data file.
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'''
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global entrances_xslug
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try:
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entrance = dummy_entrance(id, slug, msg="DUMMY")
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letter = ""
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entrances_xslug[slug] = entrance
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ce = CaveAndEntrance.objects.update_or_create(cave = cave, entrance_letter = "", entrance = entrance)
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message = f' ! Warning: Dummy Entrance created for {id}'
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DataIssue.objects.create(parser='caves', message=message, url=f'{cave.url}')
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print(message)
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except:
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message = f' ! Entrance Dummy setting failure, slug:"{slug}" cave id :"{id}" '
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DataIssue.objects.create(parser='caves', message=message, url=f'{cave.url}')
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print(message)
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def do_pending_cave(k, url, area_1623):
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'''
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default for a PENDING cave, should be overwritten in the db later if a real cave of the same name exists
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in expoweb/cave_data/1623-"k".html
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oops. Now need to do for 1626 area too
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'''
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slug = k
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default_note = f"_Survex file found in loser repo but no description in expoweb <br><br><br>\n"
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default_note += f"INSTRUCTIONS: First open 'This survex file' (link above the CaveView panel) to find the date and info. Then "
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default_note += f"<br><br>\n\n - (1) search in the survex file for the *ref to find a "
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default_note += f"relevant wallet, e.g.<a href='/survey_scans/2009%252311/'>2009#11</a> and read the notes image files <br>\n - "
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default_note += f"<br><br>\n\n - (2) search in the Expo for that year e.g. <a href='/expedition/{k[0:4]}'>{k[0:4]}</a> to find a "
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default_note += f"relevant logbook entry, remember that the date may have been recorded incorrectly, "
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default_note += f"so check for trips i.e. logbook entries involving the same people as were listed in the survex file, "
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default_note += f"and you should also check the scanned copy of the logbook (linked from each logbook entry page) "
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default_note += f"just in case a vital trip was not transcribed, then <br>\n - "
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default_note += f"click on 'Edit this cave' and copy the information you find in the survex file and the logbook"
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default_note += f"and delete all the text in the 'Notes' section - which is the text you are reading now."
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default_note += f"<br><br>\n\n - Only two fields on this form are essential. "
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default_note += f"Documentation of all the fields on 'Edit this cave' form is in <a href='/handbook/survey/caveentryfields.html'>handbook/survey/caveentryfields</a>"
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default_note += f"<br><br>\n\n - "
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default_note += f"When you Submit it will create a new file in expoweb/cave_data/ "
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default_note += f"<br><br>\n\n - Now you can edit the entrance info: click on Edit below for the dummy entrance. "
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default_note += f"and then Submit to save it (if you forget to do this, a dummy entrance will be created for your new cave description)."
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default_note += f"<br><br>\n\n - Finally, you need to find a nerd to edit the file '<var>expoweb/cave_data/pending.txt</var>' "
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default_note += f"to remove the line <br><var>{slug}</var><br> as it is no longer 'pending' but 'done. Well Done."
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cave = Cave(
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unofficial_number = k,
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underground_description = "Pending cave write-up - creating as empty object. No XML file available yet.",
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survex_file = "caves-1623/" + k + "/" + k +".svx",
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url = url,
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notes = default_note)
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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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cave.area.add(area_1623)
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cave.save()
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message = f" ! {k:12} {cave.underground_description}"
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DataIssue.objects.create(parser='caves', message=message, url=url)
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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 = slug, primary = False)
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except:
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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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else:
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message = f' ! {k:11s} PENDING cave create failure'
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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try:
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ent = dummy_entrance(k, slug, msg="PENDING")
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ceinsts = CaveAndEntrance.objects.update_or_create(cave = cave, entrance_letter = "", entrance = ent)
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for ceinst in ceinsts:
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if str(ceinst) == str(cave): # magic runes... why is the next value a Bool?
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ceinst.cave = cave
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ceinst.save()
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break
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except:
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message = f" ! {k:11s} PENDING entrance + cave UNION create failure '{cave}' [{ent}]"
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DataIssue.objects.create(parser='caves', message=message)
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print(message)
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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(ENTRANCEDESCRIPTIONS, filename)) as f:
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contents = f.read()
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context = filename
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#print("Reading file ENTRANCE {} / {}".format(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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message = f'! BAD ENTRANCE at "{filename}"'
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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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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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message = f" ! FAILED to get precisely one ENTRANCE when updating using: cave_entrance/{filename}"
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DataIssue.objects.create(parser='caves', message=message, url=f'/cave/{slug}/edit/')
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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, url=f'/cave/{slug}/edit/')
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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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else: # more than one item in long list
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message = f' ! {slug:12} ABORT loading this entrance. in "{filename}"'
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DataIssue.objects.create(parser='caves', message=message, url=f'/cave/{slug}/edit/')
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print(message)
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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(CAVEDESCRIPTIONS, filename)) as f:
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contents = f.read()
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context = 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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message = f'! BAD CAVE at "{filename}"'
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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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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:
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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, super = 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: # we want to overwrite a PENDING cave if we are now importing the 1623-xxx.html file for it
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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 Exception as ex:
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# This fails to do an update! It just crashes.. to be fixed
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message = " ! Cave update/create failure : %s, skipping file cave_data/%s with exception\nException: %s" % (slug, context, ex.__class__)
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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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if not entrances or len(entrances) < 1:
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# missing entrance link in cave_data/1623-* .html file
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set_dummy_entrance(slug[5:], slug, c, msg="DUMMY")
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else:
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for entrance in entrances:
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eslug = 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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if len(entrances) == 1 and not eslug: # may be empty: <entranceslug></entranceslug>
|
|
set_dummy_entrance(slug[5:], slug, c, msg="DUMMY")
|
|
else:
|
|
try:
|
|
if eslug in entrances_xslug:
|
|
entrance = entrances_xslug[eslug]
|
|
else:
|
|
entrance = Entrance.objects.get(entranceslug__slug = eslug)
|
|
entrances_xslug[eslug] = entrance
|
|
ce = CaveAndEntrance.objects.update_or_create(cave = c, entrance_letter = letter, entrance = entrance)
|
|
except:
|
|
message = f' ! Entrance setting failure, slug:"{slug}" #entrances:{len(entrances)} {entrance} letter:"{letter}" cave:"{c}" filename:"cave_data/{filename}"'
|
|
DataIssue.objects.create(parser='caves', message=message, url=f'{c.url}_edit/')
|
|
print(message)
|
|
|
|
if survex_file[0]:
|
|
if not (Path(SURVEX_DATA) / survex_file[0]).is_file():
|
|
message = f' ! {slug:12} survex filename does not exist :LOSER:"{survex_file[0]}" in "{filename}"'
|
|
DataIssue.objects.create(parser='caves', message=message, url=f'/{slug}_cave_edit/')
|
|
print(message)
|
|
|
|
|
|
if description_file[0]: # if not an empty string
|
|
message = f' - {slug:12} complex description filename "{description_file[0]}" inside "{CAVEDESCRIPTIONS}/{filename}"'
|
|
DataIssue.objects.create(parser='caves ok', message=message, url=f'/{slug}_cave_edit/')
|
|
print(message)
|
|
|
|
if not (Path(EXPOWEB) / description_file[0]).is_file():
|
|
message = f' ! {slug:12} description filename "{EXPOWEB}/{description_file[0]}" does not refer to a real file'
|
|
DataIssue.objects.create(parser='caves', message=message, url=f'/{slug}_cave_edit/')
|
|
print(message)
|
|
#c.description_file="" # done only once, to clear out cruft.
|
|
#c.save()
|
|
else: # more than one item in long list
|
|
message = f' ! ABORT loading this cave. in "{filename}"'
|
|
DataIssue.objects.create(parser='caves', message=message, url=f'/{slug}_cave_edit/')
|
|
print(message)
|
|
|
|
def getXML(text, itemname, minItems = 1, maxItems = None, printwarnings = True, context = ""):
|
|
items = re.findall("<%(itemname)s>(.*?)</%(itemname)s>" % {"itemname": itemname}, text, re.S)
|
|
if len(items) < minItems and printwarnings:
|
|
message = " ! %(count)i x %(itemname)s found, at least %(min)i expected. Load ABORT. " % {"count": len(items),
|
|
"itemname": itemname,
|
|
"min": minItems} + " in file " + context
|
|
DataIssue.objects.create(parser='caves', message=message, url=""+context)
|
|
print(message)
|
|
|
|
if maxItems is not None and len(items) > maxItems and printwarnings:
|
|
message = " ! %(count)i x %(itemname)s found, no more than %(max)i expected in this XML unit. Load ABORT. " % {"count": len(items),
|
|
"itemname": itemname,
|
|
"max": maxItems} + " in file " + context
|
|
DataIssue.objects.create(parser='caves', message=message)
|
|
print(message)
|
|
return items
|
|
|
|
def readcaves():
|
|
'''Reads the xml-format HTML files in the EXPOWEB repo, not from the loser repo.
|
|
'''
|
|
# For those caves which do not have cave_data/1623-xxx.html XML files even though they exist and have surveys
|
|
# should put this in a simple list which can be edited using 'Edit this file'
|
|
pending = set()
|
|
fpending = Path(CAVEDESCRIPTIONS, "pendingcaves.txt")
|
|
if fpending.is_file():
|
|
with open(fpending, "r") as fo:
|
|
cids = fo.readlines()
|
|
for cid in cids:
|
|
pending.add(cid.rstrip('\n'))
|
|
|
|
with transaction.atomic():
|
|
print(" - Deleting Caves and Entrances")
|
|
# attempting to avoid MariaDB crash when doing this
|
|
try:
|
|
Area.objects.all().delete()
|
|
except:
|
|
pass
|
|
try:
|
|
Cave.objects.all().delete()
|
|
except:
|
|
pass
|
|
try:
|
|
Entrance.objects.all().delete()
|
|
except:
|
|
pass
|
|
# Clear the cave data issues and the caves as we are reloading
|
|
DataIssue.objects.filter(parser='areas').delete()
|
|
DataIssue.objects.filter(parser='caves').delete()
|
|
DataIssue.objects.filter(parser='caves ok').delete()
|
|
DataIssue.objects.filter(parser='entrances').delete()
|
|
|
|
print(" - Creating Areas 1623 and 1626")
|
|
# This crashes on the server with MariaDB even though a null parent is explicitly allowed.
|
|
area_1623= Area.objects.create(short_name = "1623", super=None)
|
|
print(" - Saving Area 1623")
|
|
area_1623.save()
|
|
area_1624= Area.objects.create(short_name = "1624", super=None)
|
|
print(" - Saving Area 1624")
|
|
area_1624.save()
|
|
|
|
area_1626= Area.objects.create(short_name = "1626", super=None)
|
|
print(" - Saving Area 1626")
|
|
area_1626.save()
|
|
|
|
print (" - Setting pending caves")
|
|
# Do this first, so that these empty entries are overwritten as they get properly created.
|
|
|
|
for k in pending:
|
|
|
|
url = k.replace("-","/") # Note we are not appending the .htm as we are modern folks now.
|
|
area = area_1623
|
|
areanum = k[0:3]
|
|
if areanum == "1623":
|
|
area = area_1623
|
|
if areanum == "1624":
|
|
area = area_1624
|
|
if areanum == "1626":
|
|
area = area_1626
|
|
try:
|
|
do_pending_cave(k, url, area)
|
|
except:
|
|
message = f" ! Error. Cannot create pending cave and entrance, pending-id:{k} in area {areanum}"
|
|
DataIssue.objects.create(parser='caves', message=message)
|
|
print(message)
|
|
raise
|
|
|
|
with transaction.atomic():
|
|
print(" - settings.CAVEDESCRIPTIONS: ", CAVEDESCRIPTIONS)
|
|
print(" - Reading Entrances from entrance descriptions xml files")
|
|
for filename in next(os.walk(ENTRANCEDESCRIPTIONS))[2]: #Should be a better way of getting a list of files
|
|
# if filename.endswith('.html'):
|
|
# if Path(filename).stem[5:] in pending:
|
|
# print(f'Skipping pending entrance dummy file <{filename}>')
|
|
# else:
|
|
# readentrance(filename)
|
|
readentrance(filename)
|
|
|
|
print(" - Reading Caves from cave descriptions xml files")
|
|
for filename in next(os.walk(CAVEDESCRIPTIONS))[2]: #Should be a better way of getting a list of files
|
|
if filename.endswith('.html'):
|
|
readcave(filename)
|