mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-27 09:41:55 +00:00
66 lines
2.8 KiB
Python
66 lines
2.8 KiB
Python
import os, stat
|
|
import re
|
|
from pathlib import Path
|
|
from urllib.parse import urljoin, unquote as urlunquote
|
|
|
|
from django.conf import settings
|
|
from django.shortcuts import render
|
|
from django.http import HttpResponse
|
|
|
|
from troggle.core.models.survex import DrawingFile
|
|
from troggle.core.views.expo import getmimetype
|
|
#import parsers.surveys
|
|
|
|
'''Some of these views serve files as binary blobs, and simply set the mime type based on the file extension,
|
|
as does the urls.py dispatcher which sends them here. Here they should actually have the filetype checked
|
|
by looking inside the file before being served.
|
|
|
|
|
|
'''
|
|
|
|
todo='''- Need to check if invalid query string is invalid, or produces multiple replies
|
|
and render a user-friendly error page.
|
|
'''
|
|
|
|
|
|
def dwgallfiles(request):
|
|
'''Report on all the drawing files in the system. These were loaded by parsing the entire directory tree
|
|
'''
|
|
dwgfiles = DrawingFile.objects.all()
|
|
return render(request, 'dwgfiles.html', { 'dwgfiles':dwgfiles, 'settings': settings })
|
|
|
|
|
|
def dwgfilesingle(request, path):
|
|
'''sends a single binary file to the user, We should have a renderer that syntax-colours this Tunnel xml
|
|
but it might be a Therion file. And it could be an old PNG, PDF or SVG for that matter,
|
|
so we should attempt to render it.
|
|
|
|
The db records created on datbase reset import are not use when we look for an individual drawing, only
|
|
collections of them.
|
|
|
|
Note the infelicity that this will deliver files that exist, but are hidden on the previous
|
|
webpage /dwgupload/... if the user types the filename into the browser bar. Could be a problem?
|
|
Should we validate using uploads.py dwgvaliddisp() here too?
|
|
'''
|
|
tfile = Path(settings.DRAWINGS_DATA, path.replace(":","#"))
|
|
if not tfile.is_file():
|
|
message = f'Drawing file not found in filesystem at \'{path}\' .'
|
|
return render(request, 'errors/generic.html', {'message': message})
|
|
|
|
if Path(tfile).suffix in ['.xml', 'th2', '.th']:
|
|
try: # for display not download
|
|
return HttpResponse(content=open(tfile, errors='strict'), content_type="text/xhtml")
|
|
except UnicodeDecodeError:
|
|
try:
|
|
return HttpResponse(content=open(tfile,encoding='iso-8859-1'), content_type="text/xhtml")
|
|
except:
|
|
return HttpResponse(content=open(tfile,mode='rb'), content_type="text/xhtml")
|
|
else:
|
|
return HttpResponse(content=open(tfile, errors='ignore'), content_type="text/xhtml")
|
|
else:
|
|
return HttpResponse(content="Unable to understand the encoding for this file: not UTF-8 nor iso-8859-1, or some other read error happened.")
|
|
else:
|
|
return HttpResponse(content=open(tfile,"rb"), content_type=getmimetype(tfile))
|
|
|
|
|