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troggle/core/views/survex.py

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import datetime
import difflib
import os
import re
import subprocess
from collections import namedtuple
from pathlib import Path
from django import forms
from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
from django.db import models
from django.db.models import Q
from django.http import HttpResponse
from django.shortcuts import render
import troggle.settings as settings
from troggle.core.models.caves import Cave, GetCaveLookup
from troggle.core.models.logbooks import LogbookEntry
from troggle.core.models.survex import SurvexBlock, SurvexFile #, SurvexDirectory
from troggle.core.models.troggle import DataIssue
from troggle.core.models.wallets import Wallet
from troggle.core.utils import (
get_cookie_max_age,
add_commit,
current_expo,
get_editor,
is_identified_user,
git_string)
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 = """
- 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
and implicit in the order of *import statements ? It is in the cave_data file.
- 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.
- add a git commit comment field to the survex file editor.
"""
SVXPATH = settings.SURVEX_DATA
templatepath = SVXPATH / "template" / "template.svx"
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.primary, 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.
This is not a ModelForm.
see https://docs.djangoproject.com/en/5.1/topics/forms/modelforms/
This is unlike any other form in troggle. It has methods (functions) for a start.
It was apparently originally by Julian:
[svn] codemirror
goatchurch on 6/9/2009, 6:59:54 PM
"""
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}))
identified_login = forms.BooleanField(required=False,widget=forms.CheckboxInput(attrs={"onclick":"return false"})) # makes it readonly
who_are_you = forms.CharField(
widget=forms.TextInput(
attrs={"size": 100, "placeholder": "You are editing this page, who are you ? e.g. 'Becka' or 'Animal <mta@gasthof.expo>'",
"style": "vertical-align: text-top;"}
)
)
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
with open(templatepath,"r") as tf:
templatetext = tf.read()
return templatetext
if not self.survexfile:
if sf := get_survexfile(self.data["filename"]): # walrus!
self.survexfile = sf
else:
print(">>> >>> WARNING - svx file not a SurvexFile object yet", fname, flush=True)
self.survexfile = fname
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, editor):
fname = SVXPATH / (self.data["filename"] + ".svx")
if not fname.is_file():
# this is a new survex file being created from the template
if not fname.parent.is_dir():
fname.parent.mkdir(parents=True, exist_ok=True)
if " " in self.data["filename"]:
errmsg = "Error: Spaces are not possible in filenames.\n\nRename the file."
return errmsg
if re.search(r"\[|\]|<--", rcode):
errmsg = "Error: remove all []s and '<--' from the text.\n Everything 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"
errmsg += " All '; <-- ' reminder text must also be removed.\nNOT saved."
return errmsg
mbeginend = re.search(r"(?s)\*begin\s+(\w+).*?\*end\s+(\w+)", rcode)
if not mbeginend:
return "Error: no begin/end block here. NOT saved."
if mbeginend.group(1) != mbeginend.group(2):
return "Error: mismatching begin/end labels. NOT saved."
try:
# we only store survex files in Unix line-ending style, even if the code is running on Windows
with open(fname, "w", encoding="utf8", newline="\n") as fout:
# HTML forms standard behaviour is to insert CRLF whatever you say. So fix that:
fout.write(rcode.replace("\r", ""))
fout.write("\n")
fout.close()
except PermissionError:
return (
"CANNOT save this file.\nPERMISSIONS incorrectly set on server for this file. Ask a nerd to fix this."
)
comment = f"Online edit: {self.data['filename']}.svx"
add_commit(fname, comment, editor)
msg = f"SAVED (and committed to git if there were differences)\nEdited by:{editor}"
# 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):
message =""
print(">>>>....\n....Processing\n")
froox = SVXPATH / f"{self.data['filename']}.svx"
froog = SVXPATH / f"{self.data['filename']}.log"
frooerr = SVXPATH / f"{self.data["filename"]}.err"
froogdir = froox.parent
cwd = Path.cwd() # current working directory
os.chdir(froox.parent) # cd to above froox
# os.system(settings.CAVERN + " --log " + f"{froox}")
# Updated to use the new subprocess method
command = [settings.CAVERN, "--log", f"{froox}"]
sp = subprocess.run(
command,
cwd=froogdir, capture_output=True, text=True, check=False
) # raises CalledProcessError if command fails and check=True
if sp.returncode != 0:
message = f' ! Error running {settings.CAVERN}: {froox}'
DataIssue.objects.create(parser='survex', message=message)
print(message)
print(f"sp = subprocess.run([{settings.CAVERN} --log {froox}], cwd={froogdir}"
f"\n\nstderr:\n\n{str(sp.stderr)}\n\nstdout:{str(sp.stdout)}\n\nreturn code: {str(sp.returncode)}")
os.chdir(cwd) # Restore working directory
if frooerr.is_file():
if frooerr.stat().st_size == 0:
frooerr.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+message
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 thus 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.
Why is all the action code in this Class ?! Confusing..
add commit comment field to the git commit action on Save
On Get does the SAME THING as svxcavesingle but is called when the .svx suffix is MISSING
"""
warning = False
print(f"svx(): {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"
# editor = get_cookie(request)
identified_login = is_identified_user(request.user)
editor = get_editor(request)
form = SvxForm({"filename": survex_file, "dirname": dirname, "datetime": nowtime, "outputtype": outputtype, "identified_login": identified_login, "who_are_you":editor})
# 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 Django syntax validation rules pass (how do we check it against a valid filename and users?)
editor = rform.cleaned_data["who_are_you"]
editor = git_string(editor)
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:
print(f"Saving code and editor id {editor=}")
message = form.SaveCode(rcode, editor) # saves file and does git thing
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
if svxfile := get_survexfile(survex_file):
print(f"svx(): a real SurvexFile object {svxfile=} {svxfile.id=}")
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:
#dirparent = Path(svxfile.primary.path).parent
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:
svxfile = survex_file
print(f"svx(): NOT a real SurvexFile object '{svxfile=}'")
svxblocks = []
svxblocksall = []
svxlength = 0.0
has_3d = False
if not difflist:
difflist = ["Survex file does not exist yet"]
fn = str(svxfile)[11:]
events = events_on_dates(svxblocks)
year = year_for_svx(svxblocks)
form.data['who_are_you'] = editor
if identified_login:
# disable editing the git id string as we get it from the logged-on user data
form.fields["who_are_you"].widget.attrs["readonly"]="readonly"
vmap = {
"year": year,
"settings": settings,
"warning": warning,
"has_3d": has_3d,
"survexfile": svxfile,
"svxlength": svxlength,
"svxblocks": svxblocks,
"svxincludes": svxincludes,
"difflist": difflist,
"logmessage": logmessage,
"form": form,
"events": events,
"filename": fn,
#"dirparent": dirparent,
}
if outputtype == "ajax": # used by CodeMirror ajax I think
edit_response = render(request, "svxfiledifflistonly.html", vmap)
else:
edit_response = render(request, "svxfile.html", vmap)
edit_response.set_cookie('editor_id', editor, max_age=get_cookie_max_age(request)) # cookie expires after get_cookie_max_age(request) seconds
print(f"Cookie reset: {editor} for another {get_cookie_max_age(request)/3600} hour(s)")
return edit_response
SameDateEvents = namedtuple('SameDateEvents', ['trips', 'svxfiles', 'wallets', 'blocks'])
def year_for_svx(svxblocks):
y = settings.EPOCH
for b in svxblocks:
if b.date:
if b.date > y:
y = b.date
return str(y.year)
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.. NOT os.system()
# 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):
"""NEEDS REWRITING COMPLETELY
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 with git without doing the rest of the integration process.
But maybe we don't care if someone has done that!
In which case we don't need any of this reading the filesystem, we can generate it all from
what is already in the db, and just construct: onefilecaves, multifilecaves, subdircaves.
It uses very impenetrable code in identifycavedircontents()
It is MISSING some caves, e.g. "LA34" should appear twice, as 1623 and 1626.
"""
# 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 areacode in ["1623", "1626", "1624", "1627"]:
cavesdir = get_survexareapath(areacode)
arealist = sorted([(areacode, -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 areacode, 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
cavesdir = get_survexareapath(areacode)
gcavedir = os.path.join(cavesdir, cavedir)
if os.path.isdir(gcavedir) and cavedir[0] != ".":
subdirs, subsvx = identifycavedircontents(gcavedir)
check_cave_registered(
areacode, cavedir
) # should do this only once per database load or it will be slow
survdirobj = []
for lsubsvx in subsvx:
survdirobj.append(("caves-" + areacode + "/" + 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-" + areacode + "/" + 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,
"year": current_expo(),
},
)
def survexdir(request):
"""report on all the primary survex files, per cave and per directory
"""
caves = Cave.objects.all()
survexfiles = SurvexFile.objects.all().order_by("cave")
for f in survexfiles:
f.pathbad = True
if Path(settings.SURVEX_DATA, f"{f.path}.svx").is_file():
f.pathbad = False
return render(request, "survexdir.html", {"survexfiles": survexfiles, "caves": caves, "year": current_expo()})
def get_primaries(cave):
sds = []
sfs = cave.survexfile_set.all()
for sf in sfs:
sp = sf.primary # survexfile object
sds.append(sp)
return list(set(sds))
def survex_by_cave_id(request, svx_filepath):
"""parsing all the survex files of a single cave and showing that it's consistent and can find all
the files and people.
'svx_filepath' might be 'caves-1623/264/264" or it might be "surface/1623/78to78d
If it ends in .svx it will be sent straight to svx()
But might also be a link to a single survex file with no ".svx" suffix.
If svx_filepath=="" then it used to list all caves which did not have a kataser number,
an accident of coding. This now does not happen because urls.py has been changed to stop it.
"""
# These are the editable folders below 'loser'
prefixes = ("fixedpts", "gpx", "kataster", "subsections", "surface", "template", "caves-16")
if svx_filepath.startswith(prefixes): # then it is a survex file, not a cave id
return svx(request, svx_filepath)
Gcavelookup = GetCaveLookup()
if svx_filepath in Gcavelookup:
cave = Gcavelookup[svx_filepath]
# print(f"survex_by_cave_id {svx_filepath=} => {cave=}")
cave.sds = get_primaries(cave)
return render(request, "svxcaves.html", {"settings": settings, "caves": [cave], "year": current_expo()})
else:
caves = Cave.objects.filter(kataster_number=svx_filepath)
if len(caves) > 0:
# print(f"many {svx_filepath=} => {caves=}")
for cave in caves:
cave.sds = get_primaries(cave)
# print(f"many {cave=} => {cave.sds=}")
return render(request, "svxcaves.html", {"settings": settings, "caves": caves, "year": current_expo()})
else:
# A decision needs to be made: is this a silly thing or is it a real file?
filepath = settings.SURVEX_DATA / svx_filepath
print(f" - {filepath=}\n - {svx_filepath=}")
if filepath.is_file():
# survex file not a cave, e.g. surface/1623/allsurface.svx
return svx(request, svx_filepath)
else:
return render(request, "errors/svxcaves404.html", {"settings": settings, "cave": svx_filepath, "year": current_expo()})
def check_cave_registered(areacode, 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 is used in survexcaveslist(request)
A serious bodge.
"""
try:
cave = Cave.objects.get(areacode=areacode, kataster_number=survex_cave)
return str(cave)
except MultipleObjectsReturned:
caves = Cave.objects.filter(areacode=areacode, kataster_number=survex_cave)
for c in caves:
if str(c) == areacode + "-" + 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(areacode=areacode, unofficial_number=survex_cave) # Not unique, e.g. LA34
return str(cave)
except MultipleObjectsReturned:
caves = Cave.objects.filter(areacode=areacode,unofficial_number=survex_cave)
for c in caves:
if str(c) == areacode + "-" + survex_cave:
return str(c) # just get the first that matches
return None # many returned but none in correct area
except ObjectDoesNotExist:
pass
return None
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