mirror of
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576 lines
25 KiB
Python
576 lines
25 KiB
Python
from __future__ import absolute_import, division, print_function
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import os
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import re
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import sys
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import time
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from datetime import datetime, timedelta
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from subprocess import PIPE, Popen, call
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from django.utils.timezone import get_current_timezone, make_aware
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import troggle.settings as settings
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import troggle.core.models as models
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from troggle.parsers.people import GetPersonExpeditionNameLookup
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"""A 'survex block' is a *begin...*end set of cave data.
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A 'survexscansfolder' is what we today call a "survey scans folder" or a "wallet".
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"""
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line_leg_regex = re.compile(r"[\d\-+.]+$")
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def LoadSurvexLineLeg(survexblock, stardata, sline, comment, cave):
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# The try catches here need replacing as they are relatively expensive
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ls = sline.lower().split()
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ssfrom = survexblock.MakeSurvexStation(ls[stardata["from"]])
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ssto = survexblock.MakeSurvexStation(ls[stardata["to"]])
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survexleg = models.SurvexLeg(block=survexblock, stationfrom=ssfrom, stationto=ssto)
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# this next fails for two surface survey svx files which use / for decimal point
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# e.g. '29/09' in the tape measurement, or use decimals but in brackets, e.g. (06.05)
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if stardata["type"] == "normal":
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try:
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survexleg.tape = float(ls[stardata["tape"]])
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except ValueError:
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print("! Tape misread in", survexblock.survexfile.path)
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print(" Stardata:", stardata)
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print(" Line:", ls)
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message = ' ! Value Error: Tape misread in line %s in %s' % (ls, survexblock.survexfile.path)
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models.DataIssue.objects.create(parser='survex', message=message)
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survexleg.tape = 1000
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try:
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lclino = ls[stardata["clino"]]
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except:
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print("! Clino misread in", survexblock.survexfile.path)
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print(" Stardata:", stardata)
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print(" Line:", ls)
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message = ' ! Value Error: Clino misread in line %s in %s' % (ls, survexblock.survexfile.path)
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models.DataIssue.objects.create(parser='survex', message=message)
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lclino = error
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try:
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lcompass = ls[stardata["compass"]]
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except:
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print("! Compass misread in", survexblock.survexfile.path)
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print(" Stardata:", stardata)
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print(" Line:", ls)
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message = ' ! Value Error: Compass misread in line %s in %s' % (ls, survexblock.survexfile.path)
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models.DataIssue.objects.create(parser='survex', message=message)
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lcompass = error
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if lclino == "up":
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survexleg.compass = 0.0
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survexleg.clino = 90.0
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elif lclino == "down":
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survexleg.compass = 0.0
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survexleg.clino = -90.0
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elif lclino == "-" or lclino == "level":
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try:
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survexleg.compass = float(lcompass)
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except ValueError:
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print("! Compass misread in", survexblock.survexfile.path)
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print(" Stardata:", stardata)
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print(" Line:", ls)
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message = ' ! Value Error: line %s in %s' % (ls, survexblock.survexfile.path)
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models.DataIssue.objects.create(parser='survex', message=message)
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survexleg.compass = 1000
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survexleg.clino = -90.0
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else:
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assert line_leg_regex.match(lcompass), ls
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assert line_leg_regex.match(lclino) and lclino != "-", ls
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survexleg.compass = float(lcompass)
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survexleg.clino = float(lclino)
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if cave:
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survexleg.cave = cave
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# only save proper legs
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survexleg.save()
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itape = stardata.get("tape")
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if itape:
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try:
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survexblock.totalleglength += float(ls[itape])
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except ValueError:
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print("! Length not added")
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survexblock.save()
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def LoadSurvexEquate(survexblock, sline):
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#print sline #
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stations = sline.split()
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assert len(stations) > 1
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for station in stations:
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survexblock.MakeSurvexStation(station)
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def LoadSurvexLinePassage(survexblock, stardata, sline, comment):
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pass
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stardatadefault = {"type":"normal", "t":"leg", "from":0, "to":1, "tape":2, "compass":3, "clino":4}
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stardataparamconvert = {"length":"tape", "bearing":"compass", "gradient":"clino"}
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regex_comment = re.compile(r"([^;]*?)\s*(?:;\s*(.*))?\n?$")
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regex_ref = re.compile(r'.*?ref.*?(\d+)\s*#\s*(X)?\s*(\d+)')
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regex_star = re.compile(r'\s*\*[\s,]*(\w+)\s*(.*?)\s*(?:;.*)?$')
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# years from 1960 to 2039
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regex_starref = re.compile(r'^\s*\*ref[\s.:]*((?:19[6789]\d)|(?:20[0123]\d))\s*#?\s*(X)?\s*(.*?\d+.*?)$(?i)')
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# regex_starref = re.compile("""?x # VERBOSE mode - can't get this to work
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# ^\s*\*ref # look for *ref at start of line
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# [\s.:]* # some spaces, stops or colons
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# ((?:19[6789]\d)|(?:20[0123]\d)) # a date from 1960 to 2039 - captured as one field
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# \s*# # spaces then hash separator
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# ?\s*(X) # optional X - captured
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# ?\s*(.*?\d+.*?) # maybe a space, then at least one digit in the string - captured
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# $(?i)""", re.X) # the end (do the whole thing case insensitively)
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regex_team = re.compile(r"(Insts|Notes|Tape|Dog|Useless|Pics|Helper|Disto|Consultant)\s+(.*)$(?i)")
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regex_team_member = re.compile(r" and | / |, | & | \+ |^both$|^none$(?i)")
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regex_qm = re.compile(r'^\s*QM(\d)\s+?([a-dA-DxX])\s+([\w\-]+)\.(\d+)\s+(([\w\-]+)\.(\d+)|\-)\s+(.+)$')
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insp = ""
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callcount = 0
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def RecursiveLoad(survexblock, survexfile, fin, textlines):
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"""Follows the *include links in all the survex files from the root file 1623.svx
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and reads in the survex blocks, other data and the wallet references (survexscansfolder) as it
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goes. This part of the data import process is where the maximum memory is used and where it
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crashes on memory-constrained machines.
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"""
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iblankbegins = 0
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text = [ ]
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stardata = stardatadefault
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teammembers = [ ]
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global insp
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global callcount
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# uncomment to print out all files during parsing
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print(insp+" - Reading file: " + survexblock.survexfile.path + " <> " + survexfile.path)
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stamp = datetime.now()
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lineno = 0
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sys.stderr.flush();
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callcount +=1
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if callcount >=10:
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callcount=0
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print(".", file=sys.stderr,end='')
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# Try to find the cave in the DB if not use the string as before
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path_match = re.search(r"caves-(\d\d\d\d)/(\d+|\d\d\d\d-?\w+-\d+)/", survexblock.survexfile.path)
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if path_match:
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pos_cave = '%s-%s' % (path_match.group(1), path_match.group(2))
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# print(insp+'Match')
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# print(insp+os_cave)
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cave = models.getCaveByReference(pos_cave)
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if cave:
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survexfile.cave = cave
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svxlines = ''
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svxlines = fin.read().splitlines()
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# print(insp+'Cave - preloop ' + str(survexfile.cave))
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# print(insp+survexblock)
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for svxline in svxlines:
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# print(insp+survexblock)
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# print(insp+svxline)
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# if not svxline:
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# print(insp+' - Not survex')
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# return
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# textlines.append(svxline)
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lineno += 1
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# print(insp+' - Line: %d' % lineno)
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# break the line at the comment
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sline, comment = regex_comment.match(svxline.strip()).groups()
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# detect ref line pointing to the scans directory
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mref = comment and regex_ref.match(comment)
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if mref:
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yr, letterx, wallet = mref.groups()
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if not letterx:
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letterx = ""
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else:
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letterx = "X"
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if len(wallet)<2:
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wallet = "0" + wallet
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refscan = "%s#%s%s" % (yr, letterx, wallet )
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#print(insp+' - Wallet ;ref - %s - looking for survexscansfolder' % refscan)
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survexscansfolders = models.SurvexScansFolder.objects.filter(walletname=refscan)
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if survexscansfolders:
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survexblock.survexscansfolder = survexscansfolders[0]
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#survexblock.refscandir = "%s/%s%%23%s" % (mref.group(1), mref.group(1), mref.group(2))
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survexblock.save()
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# print(insp+' - Wallet ; ref - %s - found in survexscansfolders' % refscan)
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else:
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message = ' ! Wallet ; ref - %s - NOT found in survexscansfolders %s-%s-%s' % (refscan,yr,letterx,wallet)
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print(insp+message)
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models.DataIssue.objects.create(parser='survex', message=message)
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# This whole section should be moved if we can have *QM become a proper survex command
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# Spec of QM in SVX files, currently commented out need to add to survex
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# needs to match regex_qm
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# ;Serial number grade(A/B/C/D/X) nearest-station resolution-station description
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# ;QM1 a hobnob_hallway_2.42 hobnob-hallway_3.42 junction of keyhole passage
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# ;QM1 a hobnob_hallway_2.42 - junction of keyhole passage
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qmline = comment and regex_qm.match(comment)
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if qmline:
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# print(insp+qmline.groups())
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#(u'1', u'B', u'miraclemaze', u'1.17', u'-', None, u'\tcontinuation of rift')
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qm_no = qmline.group(1)
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qm_grade = qmline.group(2)
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qm_from_section = qmline.group(3)
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qm_from_station = qmline.group(4)
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qm_resolve_section = qmline.group(6)
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qm_resolve_station = qmline.group(7)
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qm_notes = qmline.group(8)
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# print(insp+'Cave - %s' % survexfile.cave)
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# print(insp+'QM no %d' % int(qm_no))
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# print(insp+'QM grade %s' % qm_grade)
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# print(insp+'QM section %s' % qm_from_section)
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# print(insp+'QM station %s' % qm_from_station)
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# print(insp+'QM res section %s' % qm_resolve_section)
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# print(insp+'QM res station %s' % qm_resolve_station)
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# print(insp+'QM notes %s' % qm_notes)
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# If the QM isn't resolved (has a resolving station) then load it
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if not qm_resolve_section or qm_resolve_section is not '-' or qm_resolve_section is not 'None':
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from_section = models.SurvexBlock.objects.filter(name=qm_from_section)
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# If we can find a section (survex note chunck, named)
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if len(from_section) > 0:
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# print(insp+from_section[0])
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from_station = models.SurvexStation.objects.filter(block=from_section[0], name=qm_from_station)
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# If we can find a from station then we have the nearest station and can import it
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if len(from_station) > 0:
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# print(insp+from_station[0])
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qm = models.QM.objects.create(number=qm_no,
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nearest_station=from_station[0],
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grade=qm_grade.upper(),
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location_description=qm_notes)
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else:
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# print(insp+' - QM found but resolved')
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pass
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#print(insp+'Cave -sline ' + str(cave))
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if not sline:
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continue
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# detect the star ref command
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mstar = regex_starref.match(sline)
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if mstar:
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yr,letterx,wallet = mstar.groups()
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if not letterx:
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letterx = ""
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else:
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letterx = "X"
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if len(wallet)<2:
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wallet = "0" + wallet
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assert (int(yr)>1960 and int(yr)<2039), "Wallet year out of bounds: %s" % yr
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assert (int(wallet)<100), "Wallet number more than 100: %s" % wallet
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refscan = "%s#%s%s" % (yr, letterx, wallet)
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survexscansfolders = models.SurvexScansFolder.objects.filter(walletname=refscan)
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if survexscansfolders:
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survexblock.survexscansfolder = survexscansfolders[0]
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survexblock.save()
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# print(insp+' - Wallet *REF - %s - found in survexscansfolders' % refscan)
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else:
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message = ' ! Wallet *REF - %s - NOT found in survexscansfolders %s-%s-%s' % (refscan,yr,letterx,wallet)
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print(insp+message)
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models.DataIssue.objects.create(parser='survex', message=message)
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continue
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# detect the star command
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mstar = regex_star.match(sline)
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if not mstar:
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if "from" in stardata:
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# print(insp+'Cave ' + str(survexfile.cave))
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# print(insp+survexblock)
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LoadSurvexLineLeg(survexblock, stardata, sline, comment, survexfile.cave)
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# print(insp+' - From: ')
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# print(insp+stardata)
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pass
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elif stardata["type"] == "passage":
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LoadSurvexLinePassage(survexblock, stardata, sline, comment)
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# print(insp+' - Passage: ')
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#Missing "station" in stardata.
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continue
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# detect the star command
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cmd, line = mstar.groups()
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cmd = cmd.lower()
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if re.match("include$(?i)", cmd):
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includepath = os.path.join(os.path.split(survexfile.path)[0], re.sub(r"\.svx$", "", line))
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print(insp+' - Include path found including - ' + includepath)
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# Try to find the cave in the DB if not use the string as before
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path_match = re.search(r"caves-(\d\d\d\d)/(\d+|\d\d\d\d-?\w+-\d+)/", includepath)
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if path_match:
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pos_cave = '%s-%s' % (path_match.group(1), path_match.group(2))
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# print(insp+pos_cave)
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cave = models.getCaveByReference(pos_cave)
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if cave:
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survexfile.cave = cave
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else:
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print(insp+' - No match in DB (i) for %s, so loading..' % includepath)
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includesurvexfile = models.SurvexFile(path=includepath)
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includesurvexfile.save()
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includesurvexfile.SetDirectory()
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if includesurvexfile.exists():
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survexblock.save()
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fininclude = includesurvexfile.OpenFile()
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insp += "> "
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RecursiveLoad(survexblock, includesurvexfile, fininclude, textlines)
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insp = insp[2:]
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elif re.match("begin$(?i)", cmd):
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if line:
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newsvxpath = os.path.join(os.path.split(survexfile.path)[0], re.sub(r"\.svx$", "", line))
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# Try to find the cave in the DB if not use the string as before
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path_match = re.search(r"caves-(\d\d\d\d)/(\d+|\d\d\d\d-?\w+-\d+)/", newsvxpath)
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if path_match:
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pos_cave = '%s-%s' % (path_match.group(1), path_match.group(2))
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# print(insp+pos_cave)
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cave = models.getCaveByReference(pos_cave)
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if cave:
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survexfile.cave = cave
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else:
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print(insp+' - No match (b) for %s' % newsvxpath)
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name = line.lower()
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print(insp+' - Begin found for: ' + name)
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# print(insp+'Block cave: ' + str(survexfile.cave))
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survexblockdown = models.SurvexBlock(name=name, begin_char=fin.tell(), parent=survexblock, survexpath=survexblock.survexpath+"."+name, cave=survexfile.cave, survexfile=survexfile, totalleglength=0.0)
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survexblockdown.save()
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survexblock.save()
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survexblock = survexblockdown
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# print(insp+survexblockdown)
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textlinesdown = [ ]
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insp += "> "
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RecursiveLoad(survexblockdown, survexfile, fin, textlinesdown)
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insp = insp[2:]
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else:
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iblankbegins += 1
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elif re.match("end$(?i)", cmd):
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if iblankbegins:
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iblankbegins -= 1
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else:
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survexblock.text = "".join(textlines)
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survexblock.save()
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# print(insp+' - End found: ')
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endstamp = datetime.now()
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timetaken = endstamp - stamp
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# print(insp+' - Time to process: ' + str(timetaken))
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return
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elif re.match("date$(?i)", cmd):
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if len(line) == 10:
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#print(insp+' - Date found: ' + line)
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survexblock.date = make_aware(datetime.strptime(re.sub(r"\.", "-", line), '%Y-%m-%d'), get_current_timezone())
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expeditions = models.Expedition.objects.filter(year=line[:4])
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if expeditions:
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assert len(expeditions) == 1
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survexblock.expedition = expeditions[0]
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survexblock.expeditionday = survexblock.expedition.get_expedition_day(survexblock.date)
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survexblock.save()
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elif re.match("team$(?i)", cmd):
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pass
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# print(insp+' - Team found: ')
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mteammember = regex_team.match(line)
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if mteammember:
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for tm in regex_team_member.split(mteammember.group(2)):
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if tm:
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personexpedition = survexblock.expedition and GetPersonExpeditionNameLookup(survexblock.expedition).get(tm.lower())
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if (personexpedition, tm) not in teammembers:
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teammembers.append((personexpedition, tm))
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personrole = models.SurvexPersonRole(survexblock=survexblock, nrole=mteammember.group(1).lower(), personexpedition=personexpedition, personname=tm)
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personrole.expeditionday = survexblock.expeditionday
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if personexpedition:
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personrole.person=personexpedition.person
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personrole.save()
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elif cmd == "title":
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#print(insp+' - Title found: ')
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survextitle = models.SurvexTitle(survexblock=survexblock, title=line.strip('"'), cave=survexfile.cave)
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survextitle.save()
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pass
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elif cmd == "require":
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# should we check survex version available for processing?
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pass
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elif cmd == "data":
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#print(insp+' - Data found: ')
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ls = line.lower().split()
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stardata = { "type":ls[0] }
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#print(insp+' - Star data: ', stardata)
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#print(insp+ls)
|
|
for i in range(0, len(ls)):
|
|
stardata[stardataparamconvert.get(ls[i], ls[i])] = i - 1
|
|
if ls[0] in ["normal", "cartesian", "nosurvey"]:
|
|
assert (("from" in stardata and "to" in stardata) or "station" in stardata), line
|
|
elif ls[0] == "default":
|
|
stardata = stardatadefault
|
|
else:
|
|
assert ls[0] == "passage", line
|
|
|
|
elif cmd == "equate":
|
|
#print(insp+' - Equate found: ')
|
|
LoadSurvexEquate(survexblock, line)
|
|
|
|
elif cmd == "fix":
|
|
#print(insp+' - Fix found: ')
|
|
survexblock.MakeSurvexStation(line.split()[0])
|
|
|
|
else:
|
|
#print(insp+' - Stuff')
|
|
if cmd not in ["sd", "include", "units", "entrance", "data", "flags", "title", "export", "instrument",
|
|
"calibrate", "set", "infer", "alias", "cs", "declination", "case"]:
|
|
message = "! Bad svx command in line:%s %s %s %s" % (cmd, line, survexblock, survexblock.survexfile.path)
|
|
print(insp+message)
|
|
models.DataIssue.objects.create(parser='survex', message=message)
|
|
|
|
endstamp = datetime.now()
|
|
timetaken = endstamp - stamp
|
|
# print(insp+' - Time to process: ' + str(timetaken))
|
|
|
|
def LoadAllSurvexBlocks():
|
|
|
|
print(' - Flushing All Survex Blocks...')
|
|
|
|
models.SurvexBlock.objects.all().delete()
|
|
models.SurvexFile.objects.all().delete()
|
|
models.SurvexDirectory.objects.all().delete()
|
|
models.SurvexEquate.objects.all().delete()
|
|
models.SurvexLeg.objects.all().delete()
|
|
models.SurvexTitle.objects.all().delete()
|
|
models.SurvexPersonRole.objects.all().delete()
|
|
models.SurvexStation.objects.all().delete()
|
|
|
|
print(" - Data flushed")
|
|
# Clear the data issues as we are reloading
|
|
models.DataIssue.objects.filter(parser='survex').delete()
|
|
print(' - Loading All Survex Blocks...')
|
|
|
|
print(' - redirecting stdout to loadsurvexblks.log...')
|
|
stdout_orig = sys.stdout
|
|
# Redirect sys.stdout to the file
|
|
sys.stdout = open('loadsurvexblks.log', 'w')
|
|
|
|
survexfile = models.SurvexFile(path=settings.SURVEX_TOPNAME, cave=None)
|
|
survexfile.save()
|
|
survexfile.SetDirectory()
|
|
|
|
#Load all
|
|
survexblockroot = models.SurvexBlock(name="root", survexpath="", begin_char=0, cave=None, survexfile=survexfile, totalleglength=0.0)
|
|
survexblockroot.save()
|
|
fin = survexfile.OpenFile()
|
|
textlines = [ ]
|
|
# The real work starts here
|
|
RecursiveLoad(survexblockroot, survexfile, fin, textlines)
|
|
fin.close()
|
|
survexblockroot.text = "".join(textlines)
|
|
survexblockroot.save()
|
|
|
|
# Close the file
|
|
sys.stdout.close()
|
|
print("+", file=sys.stderr)
|
|
sys.stderr.flush();
|
|
|
|
# Restore sys.stdout to our old saved file handler
|
|
sys.stdout = stdout_orig
|
|
print(' - Loaded All Survex Blocks.')
|
|
|
|
|
|
poslineregex = re.compile(r"^\(\s*([+-]?\d*\.\d*),\s*([+-]?\d*\.\d*),\s*([+-]?\d*\.\d*)\s*\)\s*([^\s]+)$")
|
|
|
|
|
|
def LoadPos():
|
|
"""Run cavern to produce a complete .3d file, then run 3dtopos to produce a table of
|
|
all survey point positions. Then lookup each position by name to see if we have it in the database
|
|
and if we do, then save the x/y/z coordinates.
|
|
If we don't have it in the database, print an error message and discard it.
|
|
"""
|
|
topdata = settings.SURVEX_DATA + settings.SURVEX_TOPNAME
|
|
print(' - Generating a list of Pos from %s.svx and then loading...' % (topdata))
|
|
|
|
# Be careful with the cache file.
|
|
# If LoadPos has been run before,
|
|
# but without cave import being run before,
|
|
# then *everything* may be in the fresh 'not found' cache file.
|
|
|
|
cachefile = settings.SURVEX_DATA + "posnotfound.cache"
|
|
notfoundbefore = {}
|
|
if os.path.isfile(cachefile):
|
|
# this is not a good test. 1623.svx may never change but *included files may have done.
|
|
# When the *include is unrolled, we will be able to get a proper timestamp to use
|
|
# and can increase the timeout from 3 days to 30 days.
|
|
updtsvx = os.path.getmtime(topdata + ".svx")
|
|
updtcache = os.path.getmtime(cachefile)
|
|
age = updtcache - updtsvx
|
|
print(' svx: %s cache: %s not-found cache is fresher by: %s' % (updtsvx, updtcache, str(timedelta(seconds=age) )))
|
|
|
|
now = time.time()
|
|
if now - updtcache > 3*24*60*60:
|
|
print( " cache is more than 3 days old. Deleting.")
|
|
os.remove(cachefile)
|
|
elif age < 0 :
|
|
print(" cache is stale. Deleting.")
|
|
os.remove(cachefile)
|
|
else:
|
|
print(" cache is fresh. Reading...")
|
|
try:
|
|
with open(cachefile, "r") as f:
|
|
for line in f:
|
|
l = line.rstrip()
|
|
if l in notfoundbefore:
|
|
notfoundbefore[l] +=1 # should not be duplicates
|
|
print(" DUPLICATE ", line, notfoundbefore[l])
|
|
else:
|
|
notfoundbefore[l] =1
|
|
except:
|
|
print(" FAILURE READ opening cache file %s" % (cachefile))
|
|
raise
|
|
|
|
|
|
notfoundnow =[]
|
|
found = 0
|
|
skip = {}
|
|
print("\n") # extra line because cavern overwrites the text buffer somehow
|
|
# cavern defaults to using same cwd as supplied input file
|
|
call([settings.CAVERN, "--output=%s.3d" % (topdata), "%s.svx" % (topdata)])
|
|
call([settings.THREEDTOPOS, '%s.3d' % (topdata)], cwd = settings.SURVEX_DATA)
|
|
print(" - This next bit takes a while. Matching ~32,000 survey positions. Be patient...")
|
|
|
|
posfile = open("%s.pos" % (topdata))
|
|
posfile.readline() #Drop header
|
|
for line in posfile.readlines():
|
|
r = poslineregex.match(line)
|
|
if r:
|
|
x, y, z, name = r.groups() # easting, northing, altitude
|
|
if name in notfoundbefore:
|
|
skip[name] = 1
|
|
else:
|
|
try:
|
|
ss = models.SurvexStation.objects.lookup(name)
|
|
ss.x = float(x)
|
|
ss.y = float(y)
|
|
ss.z = float(z)
|
|
ss.save()
|
|
found += 1
|
|
except:
|
|
notfoundnow.append(name)
|
|
print(" - %s stations not found in lookup of SurvexStation.objects. %s found. %s skipped." % (len(notfoundnow),found, len(skip)))
|
|
|
|
if found > 10: # i.e. a previous cave import has been done
|
|
try:
|
|
with open(cachefile, "w") as f:
|
|
c = len(notfoundnow)+len(skip)
|
|
for i in notfoundnow:
|
|
f.write("%s\n" % i)
|
|
for j in skip:
|
|
f.write("%s\n" % j) # NB skip not notfoundbefore
|
|
print(' Not-found cache file written: %s entries' % c)
|
|
except:
|
|
print(" FAILURE WRITE opening cache file %s" % (cachefile))
|
|
raise
|