forked from expo/troggle
62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
import os, stat
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import re
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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 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 DrawingFile
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from troggle.core.views.expo import getmimetype
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#import parsers.surveys
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'''Some of these views serve 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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'''
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todo='''Need to check if invalid query string is invalid, or produces multiple replies
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and render a user-friendly error page.
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'''
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def dwgallfiles(request):
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'''Report on all the drawing files in the system. These were loaded by parsing the entire directory tree
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'''
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dwgfiles = DrawingFile.objects.all()
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return render(request, 'dwgfiles.html', { 'dwgfiles':dwgfiles, 'settings': settings })
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def dwgfilesingle(request, path):
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'''sends a single binary file to the user, We should have a renderer that syntax-colours this Tunnel xml
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but it might be a Therion file. And it could be an old PNG, PDF or SVG for that matter,
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so we should attempt to render it
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'''
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try:
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dwgfile = DrawingFile.objects.get(dwgpath=urlunquote(path))
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except:
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message = f'Drawing file error or not found \'{path}\' .'
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return render(request, 'errors/generic.html', {'message': message})
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tfile = Path(settings.DRAWINGS_DATA, dwgfile.dwgpath)
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if Path(dwgfile.dwgpath).suffix in ['.xml', 'th2', '.th']:
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try: # for display not download
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return HttpResponse(content=open(tfile, errors='strict'), content_type="text/xhtml")
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except UnicodeDecodeError:
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try:
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return HttpResponse(content=open(tfile,encoding='iso-8859-1'), content_type="text/xhtml")
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except:
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return HttpResponse(content=open(tfile,mode='rb'), content_type="text/xhtml")
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else:
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return HttpResponse(content=open(tfile, errors='ignore'), content_type="text/xhtml")
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else:
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return HttpResponse(content="Unable to understand the encoding for this file: not UTF-8 nor iso-8859-1, or some other read error happened.")
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else:
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return HttpResponse(content=open(tfile,"rb"), content_type=getmimetype(tfile))
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