forked from expo/troggle
243 lines
8.8 KiB
Python
243 lines
8.8 KiB
Python
import os, stat
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import re
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import datetime
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from pathlib import Path
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from urllib.parse import urljoin, unquote as urlunquote
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from urllib.request import urlopen
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from django.conf import settings
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from django.shortcuts import render
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from django.http import HttpResponse
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from troggle.core.models.survex import Wallet, SingleScan, SurvexBlock
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from troggle.core.models.troggle import Person
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from troggle.core.models.caves import GetCaveLookup
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from troggle.core.views.expo import getmimetype
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#from troggle.parsers.people import GetPersonExpeditionNameLookup
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#import parsers.surveys
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'''one of these views serves files as binary blobs, and simply set the mime type based on the file extension,
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as does the urls.py dispatcher which sends them here. Here they should actually have the filetype checked
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by looking inside the file before being served.
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need to check if inavlid query string is invalid, or produces multiple replies
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and render a user-friendly error page.
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Note that datewallet(), caveifywallet() etc do NOT save the object to the db. They are ephemeral, just for the page rendering of the
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manywallets dict.
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'''
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def populatewallet(w):
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'''Copy survex data here just for display, not permanently
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'''
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# {% for personrole in wallet.survexblock.survexpersonrole_set.all %}
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# {% if personrole.personexpedition %}
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# <a href="{{personrole.personexpedition.get_absolute_url}}">{{personrole.personname}}</a>
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# {% else %}
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# {{personrole.personname}}
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# {% endif %}
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# {% endfor %}
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survexpeople = []
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blocks = SurvexBlock.objects.filter(scanswallet = w)
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for b in blocks:
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for personrole in b.survexpersonrole_set.all():
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survexpeople.append(personrole.personname)
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w.persons = list(set(survexpeople))
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def datewallet(w, earliest):
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first = earliest
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blocks = SurvexBlock.objects.filter(scanswallet = w)
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for b in blocks:
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if b.date:
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if b.date < first:
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first = b.date
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if first == earliest:
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# no date found
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w.date = None
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else:
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w.date = first
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def caveifywallet(w):
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blocks = SurvexBlock.objects.filter(scanswallet = w)
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for b in blocks:
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# NB b.cave is not populated by parser. Use b.survexfile.cave instead, or we could parse b.survexpath
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if b.survexfile.cave:
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w.cave = b.survexfile.cave # just gets the last one, randomly
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def walletslistperson(request, first_name, last_name):
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'''Page which displays a list of all the wallets for a specific person
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HORRIBLE linear search through everything. Index and do SQL query properly
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'''
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# This is where we face having to re-do everything to do with names properly, rather than the horrible series of hacks over 20 years..
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#GetPersonExpeditionNameLookup
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try:
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if last_name:
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p = Person.objects.get(fullname= f'{first_name} {last_name}')
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else:
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# speciall Wookey-hack
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p = Person.objects.get(first_name= f'{first_name}')
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except:
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#raise
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return render(request, 'errors/generic.html', {'message': f'Unrecognised name of a expo person: "{first_name} {last_name}"'})
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#personyear = GetPersonExpeditionNameLookup(expedition).get(tripperson.lower())
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earliest = datetime.datetime.now().date()
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manywallets = []
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wallets = Wallet.objects.all()
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for w in wallets:
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w.persons = w.people() # ephemeral attribute for web page
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# check if there is a json
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if not w.get_json():
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populatewallet(w)
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else:
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wp = w.people()
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if not wp: # an -empty list
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populatewallet(w)
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else:
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if len(wp) == 1:
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nobody = wp[0].lower()
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if nobody == 'unknown' or nobody == 'nobody' or nobody == ' ':
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populatewallet(w)
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if p.fullname in w.persons:
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#found person
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manywallets.append(w)
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if not w.date():
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datewallet(w, earliest)
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c = w.cave()
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if not c:
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caveifywallet(w)
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return render(request, 'personwallets.html', { 'manywallets':manywallets, 'settings': settings, 'person': p})
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def walletslistyear(request, year):
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'''Page which displays a list of all the wallets in a specific year
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'''
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if year < 1976 or year > 2050:
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return render(request, 'errors/generic.html', {'message': 'Year out of range. Must be between 1976 and 2050'})
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else:
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year = str(year)
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#return render(request, 'errors/generic.html', {'message': 'This page logic not implemented yet'})
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earliest = datetime.datetime.now().date()
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manywallets = []
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wallets = Wallet.objects.all()
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for w in wallets:
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if year == w.year():
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print(w.year(), w)
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manywallets.append(w)
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else:
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continue
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wp = w.people()
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if not wp: # an -empty list
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populatewallet(w)
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else:
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if len(wp) == 1:
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nobody = wp[0].lower()
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if nobody == 'unknown' or nobody == 'nobody' or nobody == ' ':
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populatewallet(w)
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if not w.date():
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datewallet(w, earliest)
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c = w.cave()
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if not c:
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caveifywallet(w)
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return render(request, 'yearwallets.html', { 'manywallets':manywallets, 'settings': settings, 'year': year})
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def cavewallets(request, caveid):
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'''Returns all the wallets for just one cave
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'''
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Gcavelookup = GetCaveLookup()
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if caveid in Gcavelookup:
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cave = Gcavelookup[caveid]
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else:
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return render(request,'errors/badslug.html', {'badslug': caveid})
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earliest = datetime.datetime.now().date()
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# remove duplication. SOrting is done in the template
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wallets = set(Wallet.objects.filter(survexblock__survexfile__cave=cave)) # NB a filtered set
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manywallets = list(wallets)
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for w in manywallets:
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wp = w.people()
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if not wp: # an -empty list
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populatewallet(w)
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else:
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if len(wp) == 1:
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nobody = wp[0].lower()
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if nobody == 'unknown' or nobody == 'nobody' or nobody == ' ':
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populatewallet(w)
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if not w.date():
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datewallet(w, earliest)
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c = w.cave()
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if not c:
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caveifywallet(w)
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return render(request, 'cavewallets.html', { 'manywallets':manywallets, 'settings': settings, 'cave': cave})
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def oldwallet(request, path):
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'''Now called only for non-standard wallet structures for pre-2000 wallets
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'''
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# print([ s.walletname for s in Wallet.objects.all() ])
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print(f'! - oldwallet path:{path}')
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try:
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wallet = Wallet.objects.get(walletname=urlunquote(path))
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return render(request, 'wallet_old.html', { 'wallet':wallet, 'settings': settings })
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except:
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message = f'Scan folder error or not found \'{path}\' .'
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return render(request, 'errors/generic.html', {'message': message})
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def walletindex(request, path):
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'''All years: special 'wallet' for scanned index pages
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'''
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# print([ s.walletname for s in Wallet.objects.all() ])
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print(f'! - walletindex path:{path}')
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try:
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wallet = Wallet.objects.get(walletname=urlunquote(path))
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return render(request, 'walletindex.html', { 'wallet':wallet, 'settings': settings })
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except:
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message = f'Scan folder error or not found \'{path}\' .'
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return render(request, 'errors/generic.html', {'message': message})
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def scansingle(request, path, file):
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'''sends a single binary file to the user for display - browser decides how using mimetype
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'''
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try:
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wallet = Wallet.objects.get(walletname=urlunquote(path))
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singlescan = SingleScan.objects.get(wallet=wallet, name=file)
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print(" - scansingle {}:{}:{}:".format(path, file, getmimetype(file)))
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return HttpResponse(content=open(singlescan.ffile,"rb"), content_type=getmimetype(file)) # any type of image
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except:
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message = f'Scan folder or scan item error or not found \'{path}\' and \'{file}\'.'
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return render(request, 'errors/generic.html', {'message': message})
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def allscans(request):
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'''Returns all the wallets in the system, we would like to use
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the Django queryset SQL optimisation https://docs.djangoproject.com/en/3.2/ref/models/querysets/#prefetch-related
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to get the related singlescan and survexblock objects but that requires rewriting this to do the query on those, not on
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the wallets
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'''
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manywallets = Wallet.objects.all() # NB all of them
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# manywallets = Wallet.objects.all().prefetch_related('singlescan') fails as the link is defined on 'singlescan' not on 'wallet'
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return render(request, 'manywallets.html', { 'manywallets':manywallets, 'settings': settings })
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