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troggle/core/views/survex.py

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import datetime
import difflib
import os
import re
import socket
from pathlib import Path
from collections import namedtuple
from django import forms
from django.db import models
from django.db.models import Q
from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
from django.http import HttpResponse
from django.shortcuts import render
from django.views.decorators.csrf import ensure_csrf_cookie
import troggle.settings as settings
from troggle.core.models.logbooks import LogbookEntry
from troggle.core.models.caves import Cave
from troggle.core.models.survex import SurvexFile, SurvexBlock, SurvexDirectory
from troggle.core.models.wallets import Wallet
from troggle.core.utils import only_commit
from troggle.parsers.survex import parse_one_file
"""Everything that views survexfiles
but also displays data on a cave or caves when there is ambiguity
"""
todo = """- survexcavesingle is not properly producing any result for Homecoming, 1626-359, 2018-dm-07
even though there are dozens of surveys.
- REFACTOR the very impenetrable code for scanningsubdirectories, replace with modern python pathlib
- filter out the non-public caves from display UNLESS LOGGED IN
- Never actual uses the object for the survexfile, works entirely from the filepath! Make it check and validate
- the primary survex file in each cave directory should be in a configuration, not buried in the code...
- Save and re-parse an edited survexfile which already exists in the db, and update
all its dependencies (work in progress)
- overlapping and cross-calling when things fail make this hard to undersand, e.g. svx() and
survexcavessingle() can get called for a survex file depending on whether the URL ends in ".svx" or not,
but each tries to handle the other case too.
"""
SVXPATH = Path(settings.SURVEX_DATA)
# NB this template text must be identical to that in :loser:/templates/template.svx
survextemplatefile = """; *** THIS IS A TEMPLATE FILE NOT WHAT YOU MIGHT BE EXPECTING ***
*** DO NOT SAVE THIS FILE WITHOUT RENAMING IT !! ***
;[Stuff in square brackets is example text to be replaced with real data,
; removing the square brackets]
*begin [surveyname]
; stations linked into other surveys (or likely to)
*export [1 8 12 34]
; Cave:
; Area in cave/QM:
*title ""
*date [2040.07.04] ; <-- CHANGE THIS DATE
*team Insts [Fred Fossa]
*team Notes [Brenda Badger]
*team Pics [Luke Lynx]
*team Tape [Albert Aadvark]
*instrument [SAP #+Laser Tape/DistoX/Compass # ; Clino #]
; Calibration: [Where, readings]
*ref [2040#00] ; <-- CHANGE THIS TOO
; the #number is on the clear pocket containing the original notes
; if using a tape:
*calibrate tape +0.0 ; +ve if tape was too short, -ve if too long
; Centreline data
*data normal from to length bearing gradient ignoreall
[ 1 2 5.57 034.5 -12.8 ]
;-----------
;recorded station details (leave commented out)
;(NP=Nail Polish, LHW/RHW=Left/Right Hand Wall)
;Station Left Right Up Down Description
;[Red] nail varnish markings
[;1 0.8 0 5.3 1.6 ; NP on boulder. pt 23 on foo survey ]
[;2 0.3 1.2 6 1.2 ; NP '2' LHW ]
[;3 1.3 0 3.4 0.2 ; Rock on floor - not refindable ]
;LRUDs arranged into passage tubes
;new *data command for each 'passage',
;repeat stations and adjust numbers as needed
*data passage station left right up down
;[ 1 0.8 0 5.3 1.6 ]
;[ 2 0.3 1.2 6 1.2 ]
*data passage station left right up down
;[ 1 1.3 1.5 5.3 1.6 ]
;[ 3 2.4 0 3.4 0.2 ]
;-----------
;Question Mark List ;(keep initial semi-colon on each line)
; The nearest-station is the name of the survey and station which are nearest to
; the QM. The resolution-station is either '-' to indicate that the QM hasn't
; been checked; or the name of the survey and station which push that QM. If a
; QM doesn't go anywhere, set the resolution-station to be the same as the
; nearest-station. Include any relevant details of how to find or push the QM in
; the textual description.
;Serial number grade(A/B/C/D/X) nearest-station resolution-station description
;[ QM1 A surveyname.3 - description of QM ]
;[ QM2 B surveyname.5 - description of QM ]
;TICKed off QMs
; in the past, if another survey existed, the resolution-station
; field was filled in, e.g.
;[ QM2 B surveyname.5 anothersurvey.7 description of QM and description of progress ]
; or we can use the trial format
;Serial number TICK date resolution description
;[QM2 TICK 2022-07-20 This is an example ticked QM]
;------------
;Cave description ;(leave commented-out)
;Freeform text describing this section of the cave
*end [surveyname]
"""
def get_survexfile(filename):
"""Gets the SurvexFile object from the survex path for the file
in a robust way
"""
refs = SurvexFile.objects.filter(path=filename)
if len(refs)==0: # new survex file, not created in db yet
survexfile = False
elif len(refs)==1:
survexfile = SurvexFile.objects.get(path=filename)
else:
survexfile = refs[0]
# OK this is due to a bug in the import file parsing, whoops. Now fixed ?!
print("BUG - to be fixed in the survex parser - not critical..")
print(f"Number of SurvexFile objects found: {len(refs)}")
for s in refs:
print (s.path, s.survexdirectory, s.cave)
# print(type(survexfile), filename)
return survexfile
class SvxForm(forms.Form):
"""Two-pane form, upper half is the raw survex file, lower half (with green background)
is the output : of running 'cavern' on the survex file, of running a 'difference', of
checking that there are no square brackets left.
"""
dirname = forms.CharField(widget=forms.TextInput(attrs={"readonly": True}))
filename = forms.CharField(widget=forms.TextInput(attrs={"readonly": True}))
datetime = forms.DateTimeField(widget=forms.TextInput(attrs={"readonly": True}))
outputtype = forms.CharField(widget=forms.TextInput(attrs={"readonly": True}))
code = forms.CharField(widget=forms.Textarea(attrs={"cols": 140, "rows": 36}))
survexfile = models.ForeignKey(SurvexFile, blank=True, null=True, on_delete=models.SET_NULL) # 1:1 ?
template = False
def GetDiscCode(self):
fname = SVXPATH / (self.data["filename"] + ".svx")
if not fname.is_file():
print(">>> >>> WARNING - svx file not found, showing TEMPLATE SVX", fname, flush=True)
self.template = True
self.survexfile = False
return survextemplatefile
if not self.survexfile:
self.survexfile = get_survexfile(self.data["filename"])
try:
fin = open(fname, "r", encoding="utf8", newline="")
svxtext = fin.read()
fin.close()
except:
# hack. Replace this with something better.
fin = open(fname, "r", encoding="iso-8859-1", newline="")
svxtext = fin.read()
fin.close()
return svxtext
def DiffCode(self, rcode):
code = self.GetDiscCode()
difftext = difflib.unified_diff(code.splitlines(), rcode.splitlines())
difflist = [diffline.strip() for diffline in difftext if not re.match(r"\s*$", diffline)]
return difflist
def SaveCode(self, rcode):
fname = SVXPATH / (self.data["filename"] + ".svx")
if not fname.is_file():
if re.search(r"\[|\]", rcode):
errmsg = "Error: remove all []s from the text.\nEverything inside [] are only template guidance.\n\n"
errmsg += "All [] must be edited out and replaced with real data before you can save this file.\n"
return errmsg
mbeginend = re.search(r"(?s)\*begin\s+(\w+).*?\*end\s+(\w+)", rcode)
if not mbeginend:
return "Error: no begin/end block here"
if mbeginend.group(1) != mbeginend.group(2):
return "Error: mismatching begin/end labels"
# Make this create new survex folders if needed
try:
fout = open(fname, "w", encoding="utf8", newline="\n")
except FileNotFoundError:
pth = os.path.dirname(self.data["filename"])
newpath = SVXPATH / pth
if not os.path.exists(newpath):
os.makedirs(newpath)
fout = open(fname, "w", encoding="utf8", newline="\n")
except PermissionError:
return (
"CANNOT save this file.\nPERMISSIONS incorrectly set on server for this file. Ask a nerd to fix this."
)
# javascript seems to insert CRLF on WSL1 whatever you say. So fix that:
fout.write(rcode.replace("\r", ""))
fout.write("\n")
fout.close()
if socket.gethostname() == "expo":
comment = f"Online survex edit: {self.data['filename']}.svx"
else:
comment = f"Online survex edit: {self.data['filename']}.svx on dev machine '{socket.gethostname()}' "
only_commit(fname, comment)
msg = "SAVED and committed to git (if there were differences)"
# should only call this is something changed
if parse_one_file(self.data["filename"]):
return msg
else:
return msg + "\nBUT PARSING failed. Do a completely new databaseReset."
def Process(self):
print(">>>>....\n....Processing\n")
froox = os.fspath(SVXPATH / (self.data["filename"] + ".svx"))
froog = os.fspath(SVXPATH / (self.data["filename"] + ".log"))
cwd = os.getcwd()
os.chdir(os.path.split(froox)[0])
os.system(settings.CAVERN + " --log " + froox)
os.chdir(cwd)
# Update this to use the new syntax..
# sp = subprocess.run([settings.CAVERN, "--log", f'--output={outputdir}', f'{fullpath}.svx'],
# capture_output=True, check=False, text=True)
# if sp.returncode != 0:
# message = f' ! Error running {settings.CAVERN}: {fullpath}'
# DataIssue.objects.create(parser='entrances', message=message)
# print(message)
# print(f'stderr:\n\n' + str(sp.stderr) + '\n\n' + str(sp.stdout) + '\n\nreturn code: ' + str(sp.returncode))
filepatherr = Path(SVXPATH / str(self.data["filename"] + ".err"))
if filepatherr.is_file():
if filepatherr.stat().st_size == 0:
filepatherr.unlink() # delete empty closure error file
fin = open(froog, "r", encoding="utf8")
log = fin.read()
fin.close()
# log = re.sub("(?s).*?(Survey contains)", "\\1", log) # this omits any ERROR MESSAGES ! Don't do it.
for s in [
"Removing trailing traverses...\n\n",
"Concatenating traverses...\n\n" "Simplifying network...\n\n",
"Calculating network...\n\n",
"Calculating traverses...\n\n",
"Calculating trailing traverses...\n\n",
"Calculating statistics...\n\n",
]:
log = log.replace(s, "")
return log
@ensure_csrf_cookie
def svx(request, survex_file):
"""Displays a single survex file in an textarea window (using a javascript online editor to enable
editing) with buttons which allow SAVE, check for DIFFerences from saved, and RUN (which runs the
cavern executable and displays the output below the main textarea).
Requires CSRF to be set up correctly, and requires permission to write to the filesystem.
Originally the non-existence of difflist was used as a marker to say that the file had been saved
and that thuis there were no differences. This is inadequate, as a new file which has not been saved
also has no difflist.
Needs refactoring. Too many piecemeal edits and odd state dependencies.
On Get does the SAME THING as svxcavesingle but is called when the .svx suffix is MISSING
"""
warning = False
print(survex_file)
if survex_file.lower().endswith(".svx"):
#cope with ".svx.svx" bollox
survex_file = survex_file[:-4]
print(survex_file)
# get the basic data from the file given in the URL
dirname = os.path.split(survex_file)[0] # replace with proper pathlib function..
dirname += "/"
nowtime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
outputtype = "normal"
form = SvxForm({"filename": survex_file, "dirname": dirname, "datetime": nowtime, "outputtype": outputtype})
# if the form has been returned
difflist = []
logmessage = ""
message = ""
if request.method == "POST": # If the form has been submitted...
rform = SvxForm(request.POST) #
if rform.is_valid(): # All validation rules pass (how do we check it against the filename and users?)
rcode = rform.cleaned_data["code"]
outputtype = rform.cleaned_data["outputtype"] # used by CodeMirror ajax I think
difflist = form.DiffCode(rcode)
# keys = []
# for key in rform.data:
# keys.append(key)
# print(">>>> ", keys)
sfile = form.survexfile
if "revert" in rform.data:
pass
if "process" in rform.data:
if difflist:
message = "SAVE FILE FIRST"
form.data["code"] = rcode
elif sfile:
logmessage = form.Process()
if logmessage:
message = f"OUTPUT FROM PROCESSING\n{logmessage}"
else:
message = "SAVE VALID FILE FIRST"
form.data["code"] = rcode
if "save" in rform.data:
if request.user.is_authenticated:
if difflist:
message = form.SaveCode(rcode)
else:
message = "NO DIFFERENCES - so not saving the file"
else:
message = "You do not have authority to save this file. Please log in."
if message != "SAVED":
form.data["code"] = rcode
if "diff" in rform.data:
print("Differences: ")
form.data["code"] = rcode
# GET, also fall-through after POST-specific handling
svxfile = get_survexfile(survex_file)
if "code" not in form.data:
form.data["code"] = form.GetDiscCode()
if form.template:
warning = True
if not difflist:
if svxfile:
difflist.append("No differences from last saved file.")
else:
difflist.append("No differences from last saved file (or from initial template).")
if message:
difflist.insert(0, message)
svxincludes = re.findall(r"(?i)\*include\s+(\S+)", form.data["code"] or "")
# collect all the survex blocks which actually have a valid date
if svxfile:
has_3d = (Path(SVXPATH) / Path(survex_file + ".3d")).is_file()
try:
svxblocks = svxfile.survexblock_set.filter(date__isnull=False).order_by('date')
except:
svxblocks = []
try:
svxblocksall = svxfile.survexblock_set.all()
svxlength = 0.0
for b in svxblocksall:
svxlength += b.legslength
# print(svxlength,b, b.legsall)
except AttributeError: # some survexfiles just *include files and have no blocks themselves
svxblocksall = []
else:
svxblocks = []
svxblocksall = []
svxlength = 0.0
has_3d = False
if not difflist:
difflist = ["Survex file does not exist yet"]
events = events_on_dates(svxblocks)
vmap = {
"settings": settings,
"warning": warning,
"has_3d": has_3d,
"survexfile": svxfile,
"svxlength": svxlength,
"svxblocks": svxblocks,
"svxincludes": svxincludes,
"difflist": difflist,
"logmessage": logmessage,
"form": form,
"events": events,
}
if outputtype == "ajax": # used by CodeMirror ajax I think
return render(request, "svxfiledifflistonly.html", vmap)
return render(request, "svxfile.html", vmap)
SameDateEvents = namedtuple('SameDateEvents', ['trips', 'svxfiles', 'wallets', 'blocks'])
def events_on_dates(svxblocks):
"""Returns a dictionary of indexed by date. For each date there is a named tuple of 3 lists:
logbookentries, survexfiles (NB files, not blocks), and wallets.
"""
# deduplicate but maintain date order
dates = []
for b in svxblocks:
if b.date not in dates:
dates.append(b.date)
# print(f"- {b.date}")
events = {}
for date in dates:
trips = LogbookEntry.objects.filter(date=date)
svxfiles = SurvexFile.objects.filter(survexblock__date=date).distinct()
# https://stackoverflow.com/questions/739776/how-do-i-do-an-or-filter-in-a-django-query
wallets = Wallet.objects.filter(Q(survexblock__date=date) | Q(walletdate=date)).distinct()
blocks = []
for b in svxblocks:
if b.date == date:
blocks.append(b.name)
events[date] = SameDateEvents(trips=trips, svxfiles=svxfiles, wallets=wallets, blocks=blocks)
# print(events)
return events
# The cavern running function. This is NOT where it is run inside the form! see SvxForm.Process() for that
def process(survex_file):
"""This runs cavern only where a .3d, .log or .err file is requested."""
filepathsvx = SVXPATH / str(survex_file + ".svx")
cwd = os.getcwd()
os.chdir(os.path.split(os.fspath(SVXPATH / survex_file))[0])
os.system(settings.CAVERN + " --log " + str(filepathsvx))
os.chdir(cwd)
# Update this to use the new syntax..
# sp = subprocess.run([settings.CAVERN, "--log", f'--output={outputdir}', f'{fullpath}.svx'],
# capture_output=True, check=False, text=True)
# if sp.returncode != 0:
# message = f' ! Error running {settings.CAVERN}: {fullpath}'
# DataIssue.objects.create(parser='entrances', message=message)
# print(message)
# print(f'stderr:\n\n' + str(sp.stderr) + '\n\n' + str(sp.stdout) + '\n\nreturn code: ' + str(sp.returncode))
filepatherr = Path(SVXPATH / str(survex_file + ".err"))
if filepatherr.is_file():
if filepatherr.stat().st_size == 0:
filepatherr.unlink() # delete empty closure error file
def threed(request, survex_file):
filepath3d = SVXPATH / str(survex_file + ".3d")
SVXPATH / str(survex_file + ".log")
if filepath3d.is_file():
threed = open(filepath3d, "rb")
return HttpResponse(threed, content_type="application/x-aven")
else:
process(survex_file) # should not need to do this if it already exists, as it should.
log = open(SVXPATH / str(survex_file + ".log"), "r", encoding="utf-8")
return HttpResponse(log, content_type="text")
def svxlog(request, survex_file):
"""Used for rendering .log files from survex outputtype"""
filepathlog = SVXPATH / str(survex_file + ".log")
if not filepathlog.is_file():
process(survex_file)
log = open(filepathlog, "r")
return HttpResponse(log, content_type="text/plain; charset=utf-8") # default: "text/html; charset=utf-8"
def err(request, survex_file):
filepatherr = SVXPATH / str(survex_file + ".err")
if not filepatherr.is_file(): # probably not there because it was empty, but re-run anyway
process(survex_file)
process(survex_file)
if filepatherr.is_file():
err = open(filepatherr, "r")
return HttpResponse(err, content_type="text/plain; charset=utf-8")
else:
return HttpResponse(
f"No closure errors. \nEmpty {filepatherr} file produced. \nSee the .log file.",
content_type="text/plain; charset=utf-8",
)
def identifycavedircontents(gcavedir):
"""
find the primary survex file in each cave directory
this should be in a configuration, not buried in the code...
For gods sake someone refactor this monstrosity using pathlib
"""
name = os.path.split(gcavedir)[1]
subdirs = []
subsvx = []
primesvx = None
for f in os.listdir(gcavedir): # These may get outdated as data gets tidied up. This should not be in the code!
if name == "204" and (f in ["skel.svx", "template.svx", "204withents.svx"]):
pass
elif name == "136" and (f in ["136-noents.svx"]):
pass
elif name == "115" and (f in ["115cufix.svx", "115fix.svx"]):
pass
elif os.path.isdir(os.path.join(gcavedir, f)):
if f[0] != ".":
subdirs.append(f)
elif f[-4:] == ".svx":
nf = f[:-4]
if (
nf.lower() == name.lower()
or nf[:3] == "all"
or (name, nf) in [("resurvey2005", "145-2005"), ("cucc", "cu115")]
):
if primesvx:
if nf[:3] == "all":
# assert primesvx[:3] != "all", (name, nf, primesvx, gcavedir, subsvx)
primesvx = nf
else:
# assert primesvx[:3] == "all", (name, nf, primesvx, gcavedir, subsvx)
pass
else:
primesvx = nf
else:
subsvx.append(nf)
else:
pass
# assert re.match(".*?(?:.3d|.log|.err|.txt|.tmp|.diff|.e?spec|~)$", f), (gcavedir, f)
subsvx.sort()
# assert primesvx, (gcavedir, subsvx)
if primesvx:
subsvx.insert(0, primesvx)
return subdirs, subsvx
def get_survexareapath(area):
return SVXPATH / str("caves-" + area)
# direct local non-database browsing through the svx file repositories
# every time the page is viewed! Should cache this.
def survexcaveslist(request):
"""This reads the entire list of caves in the Loser repo directory and produces a complete report.
It can find caves which have not yet been properly registered in the system by Databasereset.py because
someone may have uploaded the survex files without doing the rest of the integration process.
It uses very impenetrable code in identifycavedircontents()
"""
# TO DO - filter out the non-public caves from display UNLESS LOGGED IN
# This is very impenetrable code, original from Aaron Curtis I think.
onefilecaves = []
multifilecaves = []
subdircaves = []
fnumlist = []
for area in ["1623", "1626", "1624", "1627"]:
cavesdir = get_survexareapath(area)
arealist = sorted([(area, -int(re.match(r"\d*", f).group(0) or "0"), f) for f in os.listdir(cavesdir)])
fnumlist += arealist
# print(fnumlist)
# go through the list and identify the contents of each cave directory
for area, num, cavedir in fnumlist:
# these have sub dirs /cucc/ /arge/ /old/ but that is no reason to hide them in this webpage
# so these are now treated the same as 142 and 113 which also have a /cucc/ sub dir
# if cavedir in ["144", "40"]:
# continue
# This all assumes that the first .svx file has the same name as the cave name,
# which usually but not always true. e.g. caves-1623/78/allkaese.svx not caves-1623/78/78.svx
# which is why we now also pass through the cavedir
# Still fails for loutitohoehle etc even though this is set correctly when the pending cave is created
cavesdir = get_survexareapath(area)
gcavedir = os.path.join(cavesdir, cavedir)
if os.path.isdir(gcavedir) and cavedir[0] != ".":
subdirs, subsvx = identifycavedircontents(gcavedir)
check_cave_registered(
area, cavedir
) # should do this only once per database load or it will be slow
survdirobj = []
for lsubsvx in subsvx:
survdirobj.append(("caves-" + area + "/" + cavedir + "/" + lsubsvx, lsubsvx))
# caves with subdirectories
if subdirs:
subsurvdirs = []
for subdir in subdirs:
dsubdirs, dsubsvx = identifycavedircontents(os.path.join(gcavedir, subdir))
# assert not dsubdirs # handle case of empty sub directory
lsurvdirobj = []
for lsubsvx in dsubsvx:
lsurvdirobj.append(("caves-" + area + "/" + cavedir + "/" + subdir + "/" + lsubsvx, lsubsvx))
if len(dsubsvx) >= 1:
subsurvdirs.append(
(subdir, lsurvdirobj[0], lsurvdirobj[0:])
) # list now includes the first item too
if survdirobj:
subdircaves.append((cavedir, (survdirobj[0], survdirobj[1:]), subsurvdirs))
else:
print(f" ! Subdirectory containing empty subdirectory {subdirs} in {gcavedir}")
# multifile caves
elif len(survdirobj) > 1:
multifilecaves.append((survdirobj[0], cavedir, survdirobj[1:]))
# single file caves
elif len(survdirobj) == 1:
onefilecaves.append(survdirobj[0])
return render(
request,
"svxfilecavelist.html",
{
"settings": settings,
"onefilecaves": onefilecaves,
"multifilecaves": multifilecaves,
"subdircaves": subdircaves,
},
)
def survexdir(request):
"""report on all the SurvexDirectory objects
We are trying to find out how mismatches have crept in.
and whether the whole SUrvexDirectory class is actually redundant
as the info it holds is always embedded in the survexFile path directories
"""
sds = SurvexDirectory.objects.all() #.order_by("cave")
for sd in sds:
sd.primarybad = True
if f"{sd.primarysurvexfile}".startswith(str(sd.path)):
sd.primarybad = False
# sd.cavebad = True
# munge = f"caves-{sd.cave}".lower()
# if str(sd.path).lower().replace("/","-").startswith(munge):
# sd.cavebad = False
sd.pathbad = True
if Path(settings.SURVEX_DATA, f"{sd.primarysurvexfile}.svx").is_file():
sd.pathbad = False
survexfiles = SurvexFile.objects.all().order_by("cave")
# for f in survexfiles:
# if f.cave:
# print(f, f.cave)
return render(request, "survexdir.html", {"survexdirs": sds, "survexfiles": survexfiles})
def survexcavesingle(request, survex_cave):
"""parsing all the survex files of a single cave and showing that it's consistent and can find all
the files and people. Should explicitly fix the kataster number thing.
kataster numbers are not unique across areas. This used to be a db constraint but we need to manage
this ourselves as we don't want the parser aborting with an error message.
Should use getCave() from models_caves
"""
sc = survex_cave
try:
cave = Cave.objects.get(kataster_number=sc) # This may not be unique.
return render(request, "svxcavesingle.html", {"settings": settings, "cave": cave})
except ObjectDoesNotExist:
# can get here if the survex file is in a directory labelled with unofficial number not kataster number.
# maybe - and _ mixed up, or CUCC-2017- instead of 2017-CUCC-, or CUCC2015DL01 . Let's not get carried away..
# or it might be an exact search for a specific survefile but just missing the '.svx.
if (SVXPATH / Path(survex_cave + ".svx")).is_file():
return svx(request, survex_cave)
for unoff in [sc, sc.replace("-", "_"), sc.replace("_", "-"), sc.replace("-", ""), sc.replace("_", "")]:
try:
cave = Cave.objects.get(unofficial_number=unoff) # return on first one we find
return render(request, "svxcavesingle.html", {"settings": settings, "cave": cave})
except ObjectDoesNotExist:
continue # next attempt in for loop
return render(request, "errors/svxcavesingle404.html", {"settings": settings, "cave": sc})
except MultipleObjectsReturned:
caves = Cave.objects.filter(kataster_number=survex_cave)
return render(request, "svxcaveseveral.html", {"settings": settings, "caves": caves})
except:
return render(request, "errors/svxcavesingle404.html", {"settings": settings, "cave": sc})
def check_cave_registered(area, survex_cave):
"""Checks whether a cave has been properly registered when it is found in the Loser repo
This should really be called by databaseReset not here in a view
Currently Caves are only registered if they are listed in :expoweb: settings.CAVEDESCRIPTIONS
so we need to add in any more here.
This function runs but does not seem to be used?!
A serious bodge anyway.
"""
try:
cave = Cave.objects.get(kataster_number=survex_cave)
return str(cave)
except MultipleObjectsReturned:
caves = Cave.objects.filter(kataster_number=survex_cave)
for c in caves:
if str(c) == area + "-" + survex_cave:
return str(c) # just get the first that matches
return None # many returned but none in correct area
except ObjectDoesNotExist:
pass
try:
cave = Cave.objects.get(unofficial_number=survex_cave) # should be unique!
if cave.kataster_number:
return str(cave)
else:
return None
except ObjectDoesNotExist:
pass
return None
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