forked from expo/troggle
308 lines
12 KiB
Python
308 lines
12 KiB
Python
import sys
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import os
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import types
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import stat
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import csv
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import re
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import datetime
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from PIL import Image
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from functools import reduce
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import settings
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from troggle.core.models.survex import SingleScan, ScansFolder, TunnelFile
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from troggle.core.models.troggle import DataIssue
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from troggle.core.utils import save_carefully
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'''Scans through all the :drawings: repository looking
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for tunnel and therion files
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'''
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def get_or_create_placeholder(year):
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""" All surveys must be related to a logbookentry. We don't have a way to
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automatically figure out which survey went with which logbookentry,
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so we create a survey placeholder logbook entry for each year. This
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function always returns such a placeholder, and creates it if it doesn't
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exist yet.
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"""
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lookupAttribs={'date__year':int(year), 'title':"placeholder for surveys",}
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nonLookupAttribs={'text':"surveys temporarily attached to this should be re-attached to their actual trips", 'date':datetime.date(int(year),1,1)}
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placeholder_logbook_entry, newly_created = save_carefully(LogbookEntry, lookupAttribs, nonLookupAttribs)
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return placeholder_logbook_entry
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def listdir(*directories):
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try:
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return os.listdir(os.path.join(settings.SURVEYS, *directories))
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except:
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import urllib.request, urllib.parse, urllib.error
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url = settings.SURVEYS + reduce(lambda x, y: x + "/" + y, ["listdir"] + list(directories))
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folders = urllib.request.urlopen(url.replace("#", "%23")).readlines()
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return [folder.rstrip(r"/") for folder in folders]
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# handles url or file, so we can refer to a set of scans on another server
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def GetListDir(sdir):
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res = [ ]
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if sdir[:7] == "http://":
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# s = urllib.request.urlopen(sdir)
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message = f"! Requesting loading from http:// NOT IMPLEMENTED. [{sdir}]"
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print(message)
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DataIssue.objects.create(parser='Drawings', message=message)
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sdir[:7] = ""
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for f in os.listdir(sdir):
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if f[0] != ".":
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ff = os.path.join(sdir, f)
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res.append((f, ff, os.path.isdir(ff)))
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return res
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def LoadListScansFile(scansfolder):
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gld = [ ]
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# flatten out any directories in these wallet folders - should not be any
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for (fyf, ffyf, fisdiryf) in GetListDir(scansfolder.fpath):
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if fisdiryf:
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gld.extend(GetListDir(ffyf))
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else:
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gld.append((fyf, ffyf, fisdiryf))
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c=0
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for (fyf, ffyf, fisdiryf) in gld:
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if re.search(r"\.(?:png|jpg|jpeg|pdf|svg|gif)(?i)$", fyf):
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singlescan = SingleScan(ffile=ffyf, name=fyf, scansfolder=scansfolder)
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singlescan.save()
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c+=1
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if c>=10:
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print(".", end='')
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c = 0
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# this iterates through the scans directories (either here or on the remote server)
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# and builds up the models we can access later
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def LoadListScans():
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print(' - Loading Survey Scans')
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SingleScan.objects.all().delete()
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ScansFolder.objects.all().delete()
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print(' - deleting all scansFolder and scansSingle objects')
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# first do the smkhs (large kh survey scans) directory
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manyscansfoldersmkhs = ScansFolder(fpath=os.path.join(settings.SURVEY_SCANS, "../surveys/smkhs"), walletname="smkhs")
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print("smkhs", end=' ')
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if os.path.isdir(manyscansfoldersmkhs.fpath):
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manyscansfoldersmkhs.save()
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LoadListScansFile(manyscansfoldersmkhs)
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# iterate into the surveyscans directory
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print(' - ', end=' ')
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for f, ff, fisdir in GetListDir(settings.SURVEY_SCANS):
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if not fisdir:
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continue
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# do the year folders
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if re.match(r"\d\d\d\d$", f):
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print("%s" % f, end=' ')
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for fy, ffy, fisdiry in GetListDir(ff):
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if fisdiry:
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scansfolder = ScansFolder(fpath=ffy, walletname=fy)
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scansfolder.save()
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LoadListScansFile(scansfolder)
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# do the
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elif f != "thumbs":
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scansfolder = ScansFolder(fpath=ff, walletname=f)
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scansfolder.save()
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LoadListScansFile(scansfolder)
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def find_tunnel_scan(tunnelfile, path):
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'''Is given a line of text 'path' which may or may not contain a recognisable name of a scanned file
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which we have already seen when we imported all the files we could find in the surveyscans direstories
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'''
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scansfolder, scansfile = None, None
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mscansdir = re.search(r"(\d\d\d\d#X?\d+\w?|1995-96kh|92-94Surveybookkh|1991surveybook|smkhs)/(.*?(?:png|jpg|pdf|jpeg))$", path)
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if mscansdir:
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scansfolderl = ScansFolder.objects.filter(walletname=mscansdir.group(1))
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# This should properly detect if a list of folders is returned and do something sensible, not just pick the first.
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if len(scansfolderl):
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scansfolder = scansfolderl[0]
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if len(scansfolderl) > 1:
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message = "! More than one scan FOLDER matches filter query. [{}]: {} {} {} {}".format(scansfilel[0], mscansdir.group(1), mscansdir.group(2), tunnelfile.tunnelpath, path)
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print(message)
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DataIssue.objects.create(parser='Tunnel', message=message)
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if scansfolder:
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scansfilel = scansfolder.singlescan_set.filter(name=mscansdir.group(2))
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if len(scansfilel):
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if len(scansfilel) > 1:
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message = "! More than one image FILENAME matches filter query. [{}]: {} {} {} {}".format(scansfilel[0], mscansdir.group(1), mscansdir.group(2), tunnelfile.tunnelpath, path)
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print(message)
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DataIssue.objects.create(parser='Tunnel', message=message)
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scansfile = scansfilel[0]
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if scansfolder:
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tunnelfile.manyscansfolders.add(scansfolder)
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if scansfile:
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tunnelfile.scans.add(scansfile)
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elif path and not re.search(r"\.(?:png|jpg|pdf|jpeg|gif|pdf)$(?i)", path):
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name = os.path.split(path)[1]
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rtunnelfilel = TunnelFile.objects.filter(tunnelname=name)
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if len(rtunnelfilel):
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message = "! Two paths with same name [{}]: {}".format(path, name)
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print(message)
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DataIssue.objects.create(parser='Tunnel', message=message)
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rtunnelfile = rtunnelfilel[0]
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tunnelfile.tunnelcontains.add(rtunnelfile)
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tunnelfile.save()
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def findimageinsert(therionfile, xth_me):
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'''Tries to link the drawing file (Therion format) to the referenced image (scan) file
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'''
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pass
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def findimportinsert(therionfile, imp):
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'''Tries to link the scrap (Therion format) to the referenced therion scrap
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'''
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pass
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rx_xth_me = re.compile(r'xth_me_image_insert.*{.*}$', re.MULTILINE)
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rx_scrap = re.compile(r'^survey (\w*).*$', re.MULTILINE)
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rx_input = re.compile(r'^input (\w*).*$', re.MULTILINE)
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def settherionfileinfo(filetuple):
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'''Read in the drawing file contents and sets values on the tunnelfile object
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'''
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thtype, therionfile = filetuple
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ff = os.path.join(settings.TUNNEL_DATA, therionfile.tunnelpath)
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therionfile.filesize = os.stat(ff)[stat.ST_SIZE]
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if therionfile.filesize <= 0:
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message = "! Zero length therion file {}".format(ff)
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print(message)
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DataIssue.objects.create(parser='Therion', message=message)
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return
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fin = open(ff,'r')
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ttext = fin.read()
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fin.close()
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# The equivalent for a tunnel 'path' would be a .th2 'line wall' or 'scrap'
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# print(len(re.findall(r"line", ttext)))
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if thtype=='th':
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therionfile.npaths = len(re.findall(r"^input ", ttext, re.MULTILINE))
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elif thtype=='th2':
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therionfile.npaths = len(re.findall(r"^line ", ttext, re.MULTILINE))
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therionfile.save()
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# scan and look for survex blocks that might have been included, and image scans (as for tunnel drawings)
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# which would populate tunnelfile.survexfile
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# in .th2 files:
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# ##XTHERION## xth_me_image_insert {500 1 1.0} {1700 {}} ../../../expofiles/surveyscans/2014/01popped_elev1.jpeg 0 {}
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# scrap blownout -projection plan -scale [-81.0 -42.0 216.0 -42.0 0.0 0.0 7.5438 0.0 m]
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for xth_me in rx_xth_me.findall(ttext):
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message = f'! Un-parsed image filename: {therionfile.tunnelname} : {xth_me.split()[-3]} - {therionfile.tunnelpath}'
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#print(message)
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DataIssue.objects.create(parser='Therion', message=message)
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findimageinsert(therionfile, xth_me)
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for inp in rx_input.findall(ttext):
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# if this 'input' is a .th2 file we have already seen, then we can assign this as a sub-file
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# but we would need to disentangle to get the current path properly
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message = f'! Un-set Therion .th2 input: - {therionfile.tunnelname} : {inp} - {therionfile.tunnelpath}'
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#print(message)
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DataIssue.objects.create(parser='Therion', message=message)
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findimportinsert(therionfile, inp)
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therionfile.save()
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rx_skpath = re.compile(rb'<skpath')
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rx_pcpath = re.compile(rb'<pcarea area_signal="frame".*?sfsketch="([^"]*)" sfstyle="([^"]*)"')
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def settunnelfileinfo(tunnelfile):
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'''Read in the drawing file contents and sets values on the tunnelfile object
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Should try to read the date too e.g. tunneldate="2010-08-16 22:51:57
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then we could display on the master calendar per expo.
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'''
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ff = os.path.join(settings.TUNNEL_DATA, tunnelfile.tunnelpath)
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tunnelfile.filesize = os.stat(ff)[stat.ST_SIZE]
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if tunnelfile.filesize <= 0:
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message = "! Zero length xml file {}".format(ff)
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print(message)
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DataIssue.objects.create(parser='Drawings', message=message)
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return
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fin = open(ff,'rb')
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ttext = fin.read()
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fin.close()
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tunnelfile.npaths = len(rx_skpath.findall(ttext))
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tunnelfile.save()
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# example drawing file in Tunnel format.
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# <tunnelxml tunnelversion="version2009-06-21 Matienzo" tunnelproject="ireby" tunneluser="goatchurch" tunneldate="2009-06-29 23:22:17">
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# <pcarea area_signal="frame" sfscaledown="12.282584" sfrotatedeg="-90.76982" sfxtrans="11.676667377221136" sfytrans="-15.677173422877454" sfsketch="204description/scans/plan(38).png" sfstyle="" nodeconnzsetrelative="0.0">
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for path, style in rx_pcpath.findall(ttext):
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find_tunnel_scan(tunnelfile, path.decode())
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# should also scan and look for survex blocks that might have been included, and image scans
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# which would populate tunnelfile.survexfile
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tunnelfile.save()
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def load_drawings_files():
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'''Breadth first search of drawings directory looking for sub-directories and *.xml filesize
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'''
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all_xml = []
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drawdatadir = settings.TUNNEL_DATA
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TunnelFile.objects.all().delete()
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DataIssue.objects.filter(parser='Drawings').delete()
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DataIssue.objects.filter(parser='Therion').delete()
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DataIssue.objects.filter(parser='Tunnel').delete()
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drawingsdirs = [ "" ]
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while drawingsdirs:
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drawdir = drawingsdirs.pop()
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for f in os.listdir(os.path.join(drawdatadir, drawdir)):
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if f[0] == "." or f[-1] == "~":
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continue
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lf = os.path.join(drawdir, f)
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ff = os.path.join(drawdatadir, lf)
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if os.path.isdir(ff):
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drawingsdirs.append(lf) # lunatic! adding to list in middle of list while loop!
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elif f[-4:] == ".xml":
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# Always creates new
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tunnelfile = TunnelFile(tunnelpath=lf, tunnelname=os.path.split(f[:-4])[1])
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tunnelfile.save()
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all_xml.append(('xml',tunnelfile))
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elif f[-3:] == ".th":
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# Always creates new
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tunnelfile = TunnelFile(tunnelpath=lf, tunnelname=os.path.split(f[:-4])[1])
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tunnelfile.save()
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all_xml.append(('th',tunnelfile))
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elif f[-4:] == ".th2":
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# Always creates new
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tunnelfile = TunnelFile(tunnelpath=lf, tunnelname=os.path.split(f[:-4])[1])
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tunnelfile.save()
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all_xml.append(('th2',tunnelfile))
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print(f' - {len(all_xml)} Drawings files found')
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for d in all_xml:
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if d[0] == 'xml':
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settunnelfileinfo(d[1])
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# important to import .th2 files before .th so that we can assign them when found in .th files
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if d[0] == 'th2':
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settherionfileinfo(d)
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if d[0] == 'th':
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settherionfileinfo(d)
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# for drawfile in TunnelFile.objects.all():
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# SetTunnelfileInfo(drawfile)
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