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from django import forms
from django.http import HttpResponseRedirect, HttpResponse
from django.shortcuts import render_to_response
from django.http import HttpResponse, Http404
import re
import os
import datetime
import difflib
import troggle.settings as settings
def ReplaceTabs(stext):
res = [ ]
nsl = 0
for s in re.split("(\t|\n)", stext):
if s == "\t":
res.append(" " * (4 - (nsl % 4)))
nsl = 0
continue
if s == "\n":
nsl = 0
else:
nsl += len(s)
res.append(s)
return "".join(res)
class SvxForm(forms.Form):
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":150, "rows":18}))
def GetDiscCode(self):
fname = settings.SURVEX_DATA + self.data['filename'] + ".svx"
if not os.path.isfile(fname):
return None
fin = open(fname, "rb")
svxtext = fin.read().decode("latin1") # unicode(a, "latin1")
svxtext = ReplaceTabs(svxtext).strip()
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("\s*$", diffline) ]
return difflist
def SaveCode(self, rcode):
fname = settings.SURVEX_DATA + self.data['filename'] + ".svx"
if not os.path.isfile(fname):
return False
fout = open(fname, "w")
res = fout.write(rcode.encode("latin1"))
fout.close()
return True
def Process(self):
print "....\n\n\n....Processing\n\n\n"
cwd = os.getcwd()
os.chdir(os.path.split(settings.SURVEX_DATA + self.data['filename'])[0])
os.system(settings.CAVERN + " --log " + settings.SURVEX_DATA + self.data['filename'] + ".svx")
os.chdir(cwd)
fin = open(settings.SURVEX_DATA + self.data['filename'] + ".log", "rb")
log = fin.read()
fin.close()
log = re.sub("(?s).*?(Survey contains)", "\\1", log)
return log
def svx(request, survex_file):
# get the basic data from the file given in the URL
dirname = os.path.split(survex_file)[0]
if dirname:
dirname += "/"
nowtime = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
outputtype = "normal"
form = SvxForm({'filename':survex_file, 'dirname':dirname, 'datetime':nowtime, 'outputtype':outputtype})
# 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 validation rules pass (how do we check it against the filename and users?)
rcode = rform.cleaned_data['code']
outputtype = rform.cleaned_data['outputtype']
difflist = form.DiffCode(rcode)
print "ssss", rform.data
if "revert" in rform.data:
pass
if "process" in rform.data:
if not difflist:
message = "OUTPUT FROM PROCESSING"
logmessage = form.Process()
print logmessage
else:
message = "SAVE FILE FIRST"
form.data['code'] = rcode
if "save" in rform.data:
print "sssavvving"
if form.SaveCode(rcode):
message = "SAVVVED"
# we will reload later
else:
message = "FAILED TO SAVE"
form.data['code'] = rcode
if "diff" in rform.data:
form.data['code'] = rcode
#process(survex_file)
if 'code' not in form.data:
form.data['code'] = form.GetDiscCode()
if not difflist:
difflist.append("none")
if message:
difflist.insert(0, message)
svxincludes = re.findall('\*include\s+"?(.*?)(?:\.svx)?"?\s*?\n(?i)', form.data['code'])
vmap = {'settings': settings,
'has_3d': os.path.isfile(settings.SURVEX_DATA + survex_file + ".3d"),
'title': survex_file,
'svxincludes': svxincludes,
'difflist': difflist,
'logmessage':logmessage,
'form':form}
if outputtype == "ajax":
return render_to_response('svxfiledifflistonly.html', vmap)
return render_to_response('svxfile.html', vmap)
def Dsvx(request, survex_file):
svx = open(settings.SURVEX_DATA + survex_file + ".svx", "rb")
return HttpResponse(svx, mimetype="text")
def threed(request, survex_file):
process(survex_file)
try:
threed = open(settings.SURVEX_DATA + survex_file + ".3d", "rb")
return HttpResponse(threed, mimetype="model/3d")
except:
log = open(settings.SURVEX_DATA + survex_file + ".log", "rb")
return HttpResponse(log, mimetype="text")
def log(request, survex_file):
process(survex_file)
log = open(settings.SURVEX_DATA + survex_file + ".log", "rb")
return HttpResponse(log, mimetype="text")
def err(request, survex_file):
process(survex_file)
err = open(settings.SURVEX_DATA + survex_file + ".err", "rb")
return HttpResponse(err, mimetype="text")
def process(survex_file):
cwd = os.getcwd()
os.chdir(os.path.split(settings.SURVEX_DATA + survex_file)[0])
os.system(settings.CAVERN + " --log " + settings.SURVEX_DATA + survex_file + ".svx")
os.chdir(cwd)
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