mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-26 17:21:52 +00:00
251 lines
12 KiB
Python
251 lines
12 KiB
Python
import os
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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 urllib.request import urlopen
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from django.shortcuts import render, redirect
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from django.http import HttpResponse, HttpResponseRedirect, Http404
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from django.urls import reverse, resolve
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from django.template import Context, loader
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from django.views.decorators.csrf import ensure_csrf_cookie
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import django.forms as forms
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from troggle.helper import login_required_if_public
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from troggle.core.models_caves import Cave
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import troggle.core.views_caves
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import troggle.settings as settings
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'''Formerly a separate package 'flatpages' written by Martin Green 2011.
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This was NOT django.contrib.flatpages which stores HTML in the database, so the name was chnaged to expopages.
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Then it was incorporated into troggle directly, rather than being an unnecessary external package.
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'''
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def expofiles_redirect(request, path):
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'''This is used only when running as a test system without a local copy of /expofiles/
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'''
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return redirect(urljoin('http://expo.survex.com/expofiles/', path))
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def expofilessingle(request, filepath):
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'''sends a single binary file to the user,
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'''
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fn=urlunquote(filepath)
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fn = Path(settings.EXPOFILES,filepath)
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if fn.is_dir():
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return expofilesdir(request, Path(fn), Path(filepath))
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# print(" - expofilessingle {}:{}:{}:".format(filepath, fn, getmimetype(fn)))
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return HttpResponse(content=open(fn, "rb"),content_type=getmimetype(filepath)) # any file
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def expofilesdir(request, dirpath, filepath):
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'''does a directory display. If there is an index.html file we should display that.
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- dirpath is a Path() and it does not have /expofiles/ in it
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'''
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# print(" - expofilesdir {}".format(dirpath))
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urlpath = 'expofiles' / Path(filepath)
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fileitems = []
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diritems = []
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for f in dirpath.iterdir():
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if f.is_dir():
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diritems.append((urlpath / f.parts[-1], str(f.parts[-1])))
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else:
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# if f.parts[-1].lower() == 'index.htm' or f.parts[-1].lower() == 'index.html': # css cwd problem
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# return HttpResponse(content=open(f, "rb"),content_type=getmimetype(filepath)) # any file
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# return expofilessingle(request, str(Path(filepath / f.parts[-1])))
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fileitems.append((Path(urlpath) / f.parts[-1], str(f.parts[-1]), getmimetype(f)))
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return render(request, 'dirdisplay.html', { 'filepath': urlpath, 'fileitems':fileitems, 'diritems': diritems,'settings': settings })
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def expopage(request, path):
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'''Either renders an HTML page from expoweb with all the menus,
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or serves an unadorned binary file with mime type
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This is a horrible mess and some code is redundant and unreachable because of urls.py setup
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'''
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# print(" - EXPOPAGES delivering the file: {} as MIME type: {}".format(path,getmimetype(path)),flush=True)
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if path.startswith("noinfo") and settings.PUBLIC_SITE and not request.user.is_authenticated():
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# print((" - EXPOPAGES redirect to logon: flat path noinfo", path))
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return HttpResponseRedirect(urljoin(reverse("auth_login"),'?next={}'.format(request.path)))
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expowebpath = Path(settings.EXPOWEB)
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if path.endswith("/") or path == "":
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# print(" - EXPOPAGES the file: {} ENDSWITH ...".format(path))
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try:
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o = open(os.path.normpath(expowebpath / path / "index.html"), "rb")
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path = path + "index.html"
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except IOError:
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try:
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o = open(os.path.normpath(expowebpath / path / "index.htm"), "rb")
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path = path + "index.htm"
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except IOError:
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return render(request, 'pagenotfound.html', {'path': path})
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else:
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# print(" - EXPOPAGES the file: '{}' ...".format(path))
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if path.startswith('site_media'):
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# print(" - MEDIA_ROOT: {} ...{}".format(settings.MEDIA_ROOT, path))
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path = path.replace("site_media", settings.MEDIA_ROOT)
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filetobeopened = os.path.normpath(path)
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elif path.startswith("static"):
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# print(" - STATIC_ROOT: {} ...{}".format(settings.MEDIA_ROOT, path))
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path = path.replace("static", settings.MEDIA_ROOT)
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filetobeopened = os.path.normpath(path)
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else:
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# print(" - NO _ROOT: {} ...".format(expowebpath))
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filetobeopened = os.path.normpath(expowebpath / path)
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# print(" - EXPOPAGES full path : {} ...".format(filetobeopened))
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try:
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o = open(filetobeopened, "rb")
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#print(" - EXPOPAGES full path no error: {} ...".format(filetobeopened))
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except IOError:
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#print(" - EXPOPAGES ERROR: {} ...".format(filetobeopened))
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#o.close()
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return render(request, 'pagenotfound.html', {'path': path})
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if path.endswith(".htm") or path.endswith(".html"):
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# add the menus etc.
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with open(os.path.normpath(expowebpath / path), "rb") as o:
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html = o.read()
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m = re.search(rb'(.*)<\s*head([^>]*)>(.*)<\s*/head\s*>(.*)<\s*body([^>]*)>(.*)<\s*/body\s*>(.*)', html, re.DOTALL + re.IGNORECASE)
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if m:
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preheader, headerattrs, head, postheader, bodyattrs, body, postbody = m.groups()
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else:
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return HttpResponse(html + "HTML Parsing failure: Page could not be split into header and body: failed in expopages.views.py")
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m = re.search(rb"<title>(.*)</title>", head, re.DOTALL + re.IGNORECASE)
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if m:
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title, = m.groups()
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else:
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title = ""
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m = re.search(rb"<meta([^>]*)noedit", head, re.DOTALL + re.IGNORECASE)
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if m:
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editable = False
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else:
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editable = True
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has_menu = False
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menumatch = re.match(rb'(.*)<div id="menu">', body, re.DOTALL + re.IGNORECASE)
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if menumatch:
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has_menu = True
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menumatch = re.match(rb'(.*)<ul id="links">', body, re.DOTALL + re.IGNORECASE)
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if menumatch:
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has_menu = True
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#body, = menumatch.groups()
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# if re.search(rb"iso-8859-1", html):
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# body = str(body, "iso-8859-1")
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# body.strip
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return render(request, 'flatpage.html', {'editable': editable, 'path': path, 'title': title,
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'body': body, 'homepage': (path == "index.htm"), 'has_menu': has_menu})
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else:
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# print(" - EXPOPAGES delivering the file: {} as MIME type: {}".format(path,getmimetype(path)))
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return HttpResponse(content=open(filetobeopened, "rb"), content_type=getmimetype(path))
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#return HttpResponse(content=open(singlescan.ffile,"rb"), content_type=getmimetype(path))
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def getmimetype(path):
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path = str(path)
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if path.lower().endswith(".css"): return "text/css"
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if path.lower().endswith(".txt"): return "text/css"
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if path.lower().endswith(".js"): return "application/javascript"
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if path.lower().endswith(".json"): return "application/javascript"
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if path.lower().endswith(".ico"): return "image/vnd.microsoft.icon"
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if path.lower().endswith(".png"): return "image/png"
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if path.lower().endswith(".tif"): return "image/tif"
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if path.lower().endswith(".gif"): return "image/gif"
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if path.lower().endswith(".jpeg"): return "image/jpeg"
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if path.lower().endswith(".jpg"): return "image/jpeg"
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if path.lower().endswith("svg"): return "image/svg+xml"
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if path.lower().endswith("xml"): return "application/xml" # we use "text/xhtml" for tunnel files
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if path.lower().endswith(".pdf"): return "application/pdf"
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if path.lower().endswith(".ps"): return "application/postscript"
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if path.lower().endswith(".svx"): return "application/x-survex-svx"
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if path.lower().endswith(".3d"): return "application/x-survex-3d"
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if path.lower().endswith(".pos"): return "application/x-survex-pos"
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if path.lower().endswith(".err"): return "application/x-survex-err"
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if path.lower().endswith(".odt"): return "application/vnd.oasis.opendocument.text"
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if path.lower().endswith(".ods"): return "application/vnd.oasis.opendocument.spreadsheet"
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if path.lower().endswith(".docx"): return "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
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if path.lower().endswith(".xslx"): return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
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if path.lower().endswith(".gz"): return "application/x-7z-compressed"
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if path.lower().endswith(".7z"): return "application/x-7z-compressed"
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if path.lower().endswith(".zip"): return "application/zip"
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return ""
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@login_required_if_public
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@ensure_csrf_cookie
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def editexpopage(request, path):
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try:
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r = Cave.objects.get(url = path)
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return troggle.core.views_caves.editCave(request, r.cave.slug)
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except Cave.DoesNotExist:
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pass
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try:
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filepath = Path(settings.EXPOWEB) / path
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o = open(filepath, "r")
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html = o.read()
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autogeneratedmatch = re.search(r"\<\!--\s*(.*?(Do not edit|auto-generated).*?)\s*--\>", html, re.DOTALL + re.IGNORECASE)
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if autogeneratedmatch:
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return HttpResponse(autogeneratedmatch.group(1))
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m = re.search(r"(.*)<head([^>]*)>(.*)</head>(.*)<body([^>]*)>(.*)</body>(.*)", html, re.DOTALL + re.IGNORECASE)
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if m:
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filefound = True
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preheader, headerargs, head, postheader, bodyargs, body, postbody = m.groups()
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linksmatch = re.match(r'(.*)(<ul\s+id="links">.*)', body, re.DOTALL + re.IGNORECASE)
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if linksmatch:
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body, links = linksmatch.groups()
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# if re.search(r"iso-8859-1", html):
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# body = str(body, "iso-8859-1")
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else:
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return HttpResponse("Page could not be split into header and body")
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except IOError:
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print("### File not found ### ", filepath)
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filefound = False
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if request.method == 'POST': # If the form has been submitted...
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flatpageForm = FlatPageForm(request.POST) # A form bound to the POST data
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if flatpageForm.is_valid():# Form valid therefore write file
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print("### \n", str(flatpageForm)[0:300])
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print("### \n csrfmiddlewaretoken: ",request.POST['csrfmiddlewaretoken'])
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if filefound:
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headmatch = re.match(r"(.*)<title>.*</title>(.*)", head, re.DOTALL + re.IGNORECASE)
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if headmatch:
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head = headmatch.group(1) + "<title>" + flatpageForm.cleaned_data["title"] + "</title>" + headmatch.group(2)
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else:
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head = "<title>" + flatpageForm.cleaned_data["title"] + "</title>"
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else:
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head = "<title>" + flatpageForm.cleaned_data["title"] + "</title>"
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preheader = "<html>"
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headerargs = ""
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postheader = ""
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bodyargs = ""
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postbody = "</html>"
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body = flatpageForm.cleaned_data["html"]
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body = body.replace("\r", "")
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result = "%s<head%s>%s</head>%s<body%s>\n%s</body>%s" % (preheader, headerargs, head, postheader, bodyargs, body, postbody)
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f = open(filepath, "w")
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f.write(result)
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f.close()
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return HttpResponseRedirect(reverse('flatpage', args=[path])) # Redirect after POST
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else:
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if filefound:
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m = re.search(r"<title>(.*)</title>", head, re.DOTALL + re.IGNORECASE)
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if m:
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title, = m.groups()
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else:
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title = ""
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flatpageForm = FlatPageForm({"html": body, "title": title})
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else:
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body = "### File not found ###\n" + str(filepath)
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flatpageForm = FlatPageForm({"html": body, "title": "Missing"})
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return render(request, 'editexpopage.html', {'path': path, 'form': flatpageForm, })
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class FlatPageForm(forms.Form):
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title = forms.CharField(widget=forms.TextInput(attrs={'size':'60'}))
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#html = forms.CharField(widget=TinyMCE(attrs={'cols': 80, 'rows': 20}))
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html = forms.CharField(widget=forms.Textarea(attrs={"cols":80, "rows":20}))
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