troggle-unchained/parsers/survex.py

1003 lines
47 KiB
Python

import sys
import os
import re
import time
from datetime import datetime, timedelta
from subprocess import call, run
from django.utils.timezone import get_current_timezone
from django.utils.timezone import make_aware
import troggle.settings as settings
import troggle.core.models as models
import troggle.core.models_caves as models_caves
import troggle.core.models_survex as models_survex
from troggle.utils import ChaosMonkey
from troggle.parsers.people import GetPersonExpeditionNameLookup
from troggle.parsers.logbooks import GetCaveLookup
from troggle.core.views_caves import MapLocations
survexblockroot = None
ROOTBLOCK = "rootblock"
class SurvexLeg():
"""No longer a models.Model subclass, so no longer a database table
"""
tape = 0.0
compass = 0.0
clino = 0.0
class LoadingSurvex():
"""A 'survex block' is a *begin...*end set of cave data.
A survex file can contain many begin-end blocks, which can be nested, and which can *include
other survex files.
A 'scansfolder' is what we today call a "survey scans folder" or a "wallet".
"""
rx_linelen = re.compile(r"[\d\-+.]+$")
rx_team = re.compile(r"(?i)(Insts|Notes|Tape|Dog|Useless|Pics|Helper|Disto|Consultant)\s+(.*)$")
rx_person = re.compile(r"(?i) and | / |, | & | \+ |^both$|^none$")
rx_qm = re.compile(r'(?i)^\s*QM(\d)\s+?([a-dA-DxX])\s+([\w\-]+)\.(\d+)\s+(([\w\-]+)\.(\d+)|\-)\s+(.+)$')
# remember there is also QM_PATTERN used in views_other and set in settings.py
rx_cave = re.compile(r'(?i)caves-(\d\d\d\d)/([-\d\w]+|\d\d\d\d-?\w+-\d+)')
rx_comment = re.compile(r'([^;]*?)\s*(?:;\s*(.*))?\n?$')
rx_comminc = re.compile(r'(?i)^\*include[\s]*([-\w/]*).*$') # inserted by linear collate ;*include
rx_commcni = re.compile(r'(?i)^\*edulcni[\s]*([-\w/]*).*$') # inserted by linear collate ;*edulcni
rx_include = re.compile(r'(?i)^\s*(\*include[\s].*)$')
rx_ref = re.compile(r'(?i)^\s*ref[\s.:]*(\d+)\s*#\s*(X)?\s*(\d+)')
rx_star = re.compile(r'(?i)\s*\*[\s,]*(\w+)\s*(.*?)\s*(?:;.*)?$')
rx_starref = re.compile(r'(?i)^\s*\*ref[\s.:]*((?:19[6789]\d)|(?:20[0123]\d))\s*#?\s*(X)?\s*(.*?\d+.*?)$')
rx_argsref = re.compile(r'(?i)^[\s.:]*((?:19[6789]\d)|(?:20[0123]\d))\s*#?\s*(X)?\s*(.*?\d+.*?)$')
# This interprets the survex "*data normal" command which sets out the order of the fields in the data, e.g.
# *DATA normal from to length gradient bearing ignore ignore ignore ignore
stardatadefault = {"type":"normal", "from":0, "to":1, "tape":2, "compass":3, "clino":4}
stardata ={}
survexlegsalllength = 0.0
survexlegsnumber = 0
depthbegin = 0
depthinclude = 0
stackbegin =[]
stackinclude = []
stacksvxfiles = []
svxfileslist = []
svxdirs = {}
survexdict = {} # each key is a directory, and its value is a list of files
lineno = 0
insp = ""
callcount = 0
ignoreprefix = ["surface", "kataster", "fixedpts", "gpx"]
ignorenoncave = ["caves-1623", "caves-1623/2007-neu"]
includedfilename =""
currentsurvexblock = None
currentsurvexfile = None
currentcave = None
caverndate = None
def __init__(self):
self.caveslist = GetCaveLookup()
pass
def LoadSurvexIgnore(self, survexblock, line, cmd):
if cmd == "require":
pass # should we check survex version available for processing?
elif cmd in ["equate", "fix", "alias", "calibrate", "cs","entrance", "export", "case",
"declination", "infer","instrument", "sd", "units"]:
pass # we ignore all these, which is fine.
else:
if cmd in ["include", "data", "flags", "title", "set", "ref"]:
message = "! Unparsed [*{}]: '{}' {}".format(cmd, line, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
else:
message = "! Bad svx command: [*{}] {} ({}) {}".format(cmd, line, survexblock, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
def LoadSurvexTeam(self, survexblock, line):
teammembers = [ ]
mteammember = self.rx_team.match(line)
if mteammember:
for tm in self.rx_person.split(mteammember.group(2)):
if tm:
personexpedition = survexblock.expedition and GetPersonExpeditionNameLookup(survexblock.expedition).get(tm.lower())
if (personexpedition, tm) not in teammembers:
teammembers.append((personexpedition, tm))
personrole = models_survex.SurvexPersonRole(survexblock=survexblock, nrole=mteammember.group(1).lower(), personexpedition=personexpedition, personname=tm)
personrole.save()
personrole.expeditionday = survexblock.expeditionday
if personexpedition:
personrole.person=personexpedition.person
personrole.save()
def LoadSurvexDate(self, survexblock, line):
# we should make this a date range for everything
if len(line) == 10:
survexblock.date = make_aware(datetime.strptime(re.sub(r"\.", "-", line), '%Y-%m-%d'), get_current_timezone())
expeditions = models.Expedition.objects.filter(year=line[:4])
if expeditions:
assert len(expeditions) == 1
survexblock.expedition = expeditions[0]
survexblock.expeditionday = survexblock.expedition.get_expedition_day(survexblock.date)
survexblock.save()
def LoadSurvexLineLeg(self, survexblock, svxline, sline, comment):
"""This reads compass, clino and tape data but only keeps the tape lengths,
the rest is discarded after error-checking.
"""
# Check first to see if we are in a splay and abort if so.
# TO DO splay abort
invalid_clino = 180.0
invalid_compass = 720.0
invalid_tape = 0.0
stardata = self.stardata
survexleg = SurvexLeg()
ls = sline.lower().split()
# this next fails for two surface survey svx files which use / for decimal point
# e.g. '29/09' in the tape measurement, or use decimals but in brackets, e.g. (06.05)
if stardata["type"] == "normal": # should use current flags setting for this. May not be default order!
#print("! stardata {}++{}\n{} ".format(stardata, survexblock.survexfile.path, sline), file=sys.stderr)
try:
tape = ls[stardata["tape"]]
except:
print(("! stardata parsing incorrect", survexblock.survexfile.path))
print((" Stardata:", stardata))
print((" Line:", ls))
message = ' ! stardata parsing incorrect in line %s in %s' % (ls, survexblock.survexfile.path)
models.DataIssue.objects.create(parser='survexleg', message=message)
survexleg.tape = invalid_tape
return
tape = tape.replace("(","")
tape = tape.replace(")","")
tape = tape.replace("/",".")
try:
survexleg.tape = float(tape)
self.survexlegsnumber += 1
except ValueError:
print(("! Tape misread in", survexblock.survexfile.path))
print((" Stardata:", stardata))
print((" Line:", ls))
message = ' ! Value Error: Tape misread in line %s in %s' % (ls, survexblock.survexfile.path)
models.DataIssue.objects.create(parser='survexleg', message=message)
survexleg.tape = invalid_tape
try:
survexblock.totalleglength += survexleg.tape
self.survexlegsalllength += survexleg.tape
except ValueError:
message = ' ! Value Error: Tape length not added %s in %s' % (ls, survexblock.survexfile.path)
models.DataIssue.objects.create(parser='survexleg', message=message)
try:
lcompass = ls[stardata["compass"]]
except:
print(("! Compass not found in", survexblock.survexfile.path))
print((" Stardata:", stardata))
print((" Line:", ls))
message = ' ! Value Error: Compass not found in line %s in %s' % (ls, survexblock.survexfile.path)
models.DataIssue.objects.create(parser='survexleg', message=message)
lcompass = invalid_compass
try:
lclino = ls[stardata["clino"]]
except:
print(("! Clino misread in", survexblock.survexfile.path))
print((" Stardata:", stardata))
print((" Line:", ls))
message = ' ! Value Error: Clino misread in line %s in %s' % (ls, survexblock.survexfile.path)
models.DataIssue.objects.create(parser='survexleg', message=message)
lclino = invalid_clino
if lclino == "up":
survexleg.clino = 90.0
lcompass = invalid_compass
elif lclino == "down":
survexleg.clino = -90.0
lcompass = invalid_compass
elif lclino == "-" or lclino == "level":
survexleg.clino = -90.0
try:
survexleg.compass = float(lcompass)
except ValueError:
print(("! Compass misread in", survexblock.survexfile.path))
print((" Stardata:", stardata))
print((" Line:", ls))
message = " ! Value Error: lcompass:'{}' line {} in '{}'".format(lcompass,
ls, survexblock.survexfile.path)
models.DataIssue.objects.create(parser='survexleg', message=message)
survexleg.compass = invalid_compass
#print(" !! lineno '{}'\n !! svxline '{}'\n !! sline '{}'\n !! ls '{}'\n !! stardata {}".format(self.lineno, svxline, sline, ls,stardata))
# delete the object to save memory
survexleg = None
def LoadSurvexRef(self, survexblock, args):
# *REF but also ; Ref years from 1960 to 2039
if len(args)< 4:
message = " ! Empty or BAD *REF command '{}' in '{}'".format(args, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
return
argsgps = self.rx_argsref.match(args)
if argsgps:
yr, letterx, wallet = argsgps.groups()
else:
message = " ! BAD *REF command '{}' in '{}'".format(args, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
return
if not letterx:
letterx = ""
else:
letterx = "X"
if len(wallet)<2:
wallet = "0" + wallet
assert (int(yr)>1960 and int(yr)<2039), "Wallet year out of bounds: %s" % yr
refscan = "%s#%s%s" % (yr, letterx, wallet)
try:
if int(wallet)>100:
message = " ! Wallet *REF {} - too big in '{}'".format(refscan, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
except:
message = " ! Wallet *REF {} - not numeric in '{}'".format(refscan, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
manyscansfolders = models_survex.ScansFolder.objects.filter(walletname=refscan)
if manyscansfolders:
survexblock.scansfolder = manyscansfolders[0]
survexblock.save()
if len(manyscansfolders) > 1:
message = " ! Wallet *REF {} - {} scan folders from DB search in {}".format(refscan, len(manyscansfolders), survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
else:
message = " ! Wallet *REF '{}' - NOT found in DB search '{}'".format(refscan, survexblock.survexfile.path)
print((self.insp+message))
models.DataIssue.objects.create(parser='survex', message=message)
def LoadSurvexQM(self, survexblock, qmline):
insp = self.insp
qm_no = qmline.group(1)
qm_grade = qmline.group(2)
if qmline.group(3): # usual closest survey station
qm_nearest = qmline.group(3)
if qmline.group(4):
qm_nearest = qm_nearest +"."+ qmline.group(4)
if qmline.group(6) and qmline.group(6) != '-':
qm_resolve_station = qmline.group(6)
if qmline.group(7):
qm_resolve_station = qm_resolve_station +"."+ qmline.group(7)
else:
qm_resolve_station = ""
qm_notes = qmline.group(8)
# Spec of QM in SVX files:
# ;Serial number grade(A/B/C/D/X) nearest-station resolution-station description
# ;QM1 a hobnob_hallway_2.42 hobnob-hallway_3.42 junction of keyhole passage
# ;QM1 a hobnob_hallway_2.42 - junction of keyhole passage
# NB none of the SurveyStations are in the DB now, so if we want to link to aSurvexStation
# we would have to create one. But that is not obligatory and no QMs loaded from CSVs have one
try:
qm = models_caves.QM.objects.create(number=qm_no,
# nearest_station=a_survex_station_object, # can be null
nearest_station_description=qm_resolve_station,
nearest_station_name=qm_nearest,
grade=qm_grade.upper(),
location_description=qm_notes)
qm.save
# message = " ! QM{} '{}' CREATED in DB in '{}'".format(qm_no, qm_nearest,survexblock.survexfile.path)
# print(insp+message)
# models.DataIssue.objects.create(parser='survex', message=message)
except:
message = " ! QM{} FAIL to create {} in'{}'".format(qm_no, qm_nearest,survexblock.survexfile.path)
print(insp+message)
models.DataIssue.objects.create(parser='survex', message=message)
def LoadSurvexDataCmd(self,survexblock,args):
"""Sets the order for data elements in this and following blocks, e.g.
*data normal from to compass clino tape
*data normal from to tape compass clino
We are only collecting length data so we are disinterested in from, to, LRUD etc.
"""
# stardatadefault = { # included here as reference to help understand the code
# "type":"normal",
# "t":"leg",
# "from":0,
# "to":1,
# "tape":2,
# "compass":3,
# "clino":4}
stardata = self.stardatadefault
if args == "":
# naked '*data' which is relevant only for passages. Ignore. Continue with previous settings.
return
ls = args.lower().split()
if ls[0] == "normal":
if not (("from" in stardata and "to" in stardata) or "station" in stardata):
message = " ! - Unrecognised *data normal statement '{}' {}|{}".format(args, survexblock.name, survexblock.survexpath)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
return
else:
stardata = self.stardatadefault
# ls = ["normal", "from", "to", "tape", "compass", "clino" ]
for i in range(1, len(ls)): # len[0] is "normal"
if ls[i] in ["bearing","compass"]:
stardata["compass"] = i-1
if ls[i] in ["clino","gradient"]:
stardata["clino"] = i-1
if ls[i] in ["tape","length"]:
stardata["tape"] = i-1
self.stardata = stardata
return
elif ls[0] == "default":
self.stardata = self.stardatadefault
elif ls[0] == "passage" or ls[0] == "nosurvey":
# we ignore everything else, such as '*data passage'
pass
elif ls[0] == "cartesian" or ls[0] == "nosurvey":
message = " ! - *data cartesian survey blocks are ignored. Length not calculated. '{}' {}|{}".format(args, survexblock.name, survexblock.survexpath)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
else:
message = " ! - Unrecognised *data statement '{}'".format(args)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
def LoadSurvexFlags(self, line, cmd):
# Here we could set on/off 'splay', 'not splay', 'surface', 'not surface', or 'duplicate'
# but this data is only used for sense-checking not to actually calculate anything important
pass
def IdentifyCave(self, cavepath):
if cavepath.lower() in self.caveslist:
return self.caveslist[cavepath.lower()]
# TO DO - some of this is already done in generating self.caveslist so simplify this
# esp. as it is in a loop.
path_match = self.rx_cave.search(cavepath)
if path_match:
sluggy = '{}-{}'.format(path_match.group(1), path_match.group(2))
guesses = [sluggy.lower(), path_match.group(2).lower()]
for g in guesses:
if g in self.caveslist:
self.caveslist[cavepath] = self.caveslist[g]
return self.caveslist[g]
print(' ! Failed to find cave for {}'.format(cavepath.lower()))
else:
# not a cave, but that is fine.
# print(' ! No regex(standard identifier) cave match for %s' % cavepath.lower())
return None
def GetSurvexDirectory(self, headpath):
"""This creates a SurvexDirectory if it has not been seen before, and on creation
it sets the primarysurvexfile. This is correct as it should be set on the first file
in the directory, where first is defined by the *include ordering. Which is what we
are doing.
"""
if not headpath:
return self.svxdirs[""]
if headpath.lower() not in self.svxdirs:
self.svxdirs[headpath.lower()] = models_survex.SurvexDirectory(path=headpath, primarysurvexfile=self.currentsurvexfile)
self.svxdirs[headpath.lower()].save()
return self.svxdirs[headpath.lower()]
def ReportNonCaveIncludes(self, headpath, includelabel):
"""Ignore surface, kataser and gps *include survex files
"""
if headpath in self.ignorenoncave:
return
for i in self.ignoreprefix:
if headpath.startswith(i):
return
message = " ! {} is not a cave. (while creating '{}' sfile & sdirectory)".format(headpath, includelabel)
print("\n"+message)
print("\n"+message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
def LoadSurvexFile(self, svxid):
"""Creates SurvexFile in the database, and SurvexDirectory if needed
with links to 'cave'
Creates a new current survexfile and valid .survexdirectory
The survexblock passed-in is not necessarily the parent. FIX THIS.
"""
self.stardata = self.stardatadefault
depth = " " * self.depthbegin
print("{:2}{} - NEW survexfile:'{}'".format(self.depthbegin, depth, svxid))
headpath = os.path.dirname(svxid)
newfile = models_survex.SurvexFile(path=svxid)
newfile.save() # until we do this there is no internal id so no foreign key works
self.currentsurvexfile = newfile
newdirectory = self.GetSurvexDirectory(headpath)
newdirectory.save()
newfile.survexdirectory = newdirectory
self.survexdict[newdirectory] = [newfile,]
cave = self.IdentifyCave(headpath) # cave already exists in db
if not newdirectory:
message = " ! 'None' SurvexDirectory returned from GetSurvexDirectory({})".format(headpath)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
if cave:
newdirectory.cave = cave
newfile.cave = cave
#print("\n"+str(newdirectory.cave),file=sys.stderr)
else:
self.ReportNonCaveIncludes(headpath, svxid)
if not newfile.survexdirectory:
message = " ! SurvexDirectory NOT SET in new SurvexFile {} ".format(svxid)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
self.currentsurvexfile.save() # django insists on this although it is already saved !?
try:
newdirectory.save()
except:
print(newdirectory, file=sys.stderr)
print(newdirectory.primarysurvexfile, file=sys.stderr)
raise
def ProcessIncludeLine(self, included):
svxid = included.groups()[0]
self.LoadSurvexFile(svxid)
self.stacksvxfiles.append(self.currentsurvexfile)
def ProcessEdulcniLine(self, edulcni):
"""Saves the current survexfile in the db
"""
svxid = edulcni.groups()[0]
#depth = " " * self.depthbegin
#print("{:2}{} - Edulcni survexfile:'{}'".format(self.depthbegin, depth, svxid))
self.currentsurvexfile.save()
self.currentsurvexfile = self.stacksvxfiles.pop()
def LoadSurvexComment(self, survexblock, comment):
# ignore all comments except ;ref and ;QM and ;*include (for collated survex file)
refline = self.rx_ref.match(comment)
if refline:
comment = re.sub('(?i)\s*ref[.;]?',"",comment.strip())
self.LoadSurvexRef(survexblock, comment)
qmline = self.rx_qm.match(comment)
if qmline:
self.LoadSurvexQM(survexblock, qmline)
included = self.rx_comminc.match(comment)
# ;*include means 'we have been included'; whereas *include means 'proceed to include'
if included:
self.ProcessIncludeLine(included)
edulcni = self.rx_commcni.match(comment)
# ;*edulcni means we are returning from an included file
if edulcni:
self.ProcessEdulcniLine(edulcni)
def LoadSurvexSetup(self,survexblock, survexfile):
self.depthbegin = 0
self.stardata = self.stardatadefault
blocklegs = self.survexlegsnumber
print(self.insp+" - MEM:{:.3f} Reading. parent:{} <> {} ".format(models.get_process_memory(),survexblock.survexfile.path, survexfile.path))
self.lineno = 0
sys.stderr.flush();
self.callcount +=1
if self.callcount % 10 ==0 :
print(".", file=sys.stderr,end='')
if self.callcount % 500 ==0 :
print("\n", file=sys.stderr,end='')
# Try to find the cave in the DB if not use the string as before
path_match = re.search(r"caves-(\d\d\d\d)/(\d+|\d\d\d\d-?\w+-\d+)/", survexblock.survexfile.path)
if path_match:
pos_cave = '%s-%s' % (path_match.group(1), path_match.group(2))
cave = models_caves.getCaveByReference(pos_cave)
if cave:
survexfile.cave = cave
def LinearLoad(self, survexblock, path, svxlines):
"""Loads a single survex file. Usually used to import all the survex files which have been collated
into a single file. Loads the begin/end blocks using a stack for labels.
"""
self.relativefilename = path
cave = self.IdentifyCave(path) # this will produce null for survex files which are geographic collections
self.currentsurvexfile = survexblock.survexfile
self.currentsurvexfile.save() # django insists on this although it is already saved !?
blockcount = 0
lineno = 0
def tickle():
nonlocal blockcount
blockcount +=1
if blockcount % 10 ==0 :
print(".", file=sys.stderr,end='')
if blockcount % 200 ==0 :
print("\n", file=sys.stderr,end='')
print(" - MEM:{:7.3f} MB in use".format(models.get_process_memory()),file=sys.stderr)
sys.stderr.flush()
for svxline in svxlines:
lineno += 1
sline, comment = self.rx_comment.match(svxline).groups()
if comment:
self.LoadSurvexComment(survexblock, comment) # this catches the ;*include and ;*edulcni lines too
if not sline:
continue # skip blank lines
# detect a star command
mstar = self.rx_star.match(sline)
if mstar: # yes we are reading a *cmd
cmd, args = mstar.groups()
cmd = cmd.lower()
# ------------------------BEGIN
if re.match("begin$(?i)", cmd):
self.depthbegin += 1
depth = " " * self.depthbegin
blockid = args.lower()
self.stackbegin.append(blockid)
previousnlegs = self.survexlegsnumber
print("{:2}{} - Begin for :'{}'".format(self.depthbegin,depth, blockid))
pathlist = ""
for id in self.stackbegin:
if len(id) > 0:
pathlist += "." + id
newsurvexblock = models_survex.SurvexBlock(name=blockid, parent=survexblock,
survexpath=pathlist,
cave=self.currentcave, survexfile=self.currentsurvexfile,
legsall=0, legssplay=0, legssurfc=0, totalleglength=0.0)
newsurvexblock.save()
newsurvexblock.title = "("+survexblock.title+")" # copy parent inititally
survexblock = newsurvexblock
survexblock.save() # django insists on this , but we want to save at the end !
tickle()
# ---------------------------END
elif re.match("end$(?i)", cmd):
depth = " " * self.depthbegin
print("{:2}{} - End from:'{}'".format(self.depthbegin,depth,args))
legsinblock = self.survexlegsnumber - previousnlegs
print("{:2}{} - LEGS: {} (previous: {}, now:{})".format(self.depthbegin,
depth,legsinblock,previousnlegs,self.survexlegsnumber))
survexblock.legsall = legsinblock
try:
survexblock.parent.save() # django insists on this although it is already saved !?
except:
print(survexblock.parent, file=sys.stderr)
raise
try:
survexblock.save() # save to db at end of block
except:
print(survexblock, file=sys.stderr)
raise
self.currentsurvexblock = survexblock.parent
survexblock = survexblock.parent
blockid = self.stackbegin.pop()
self.depthbegin -= 1
# -----------------------------
elif re.match("(?i)title$", cmd):
survexblock.title = args # block has own title, overwrite that from parent
elif re.match("(?i)ref$", cmd):
self.LoadSurvexRef(survexblock, args)
elif re.match("(?i)flags$", cmd):
self.LoadSurvexFlags(args, cmd)
elif re.match("(?i)data$", cmd):
self.LoadSurvexDataCmd(survexblock, args)
elif re.match("(?i)date$", cmd):
self.LoadSurvexDate(survexblock, args)
elif re.match("(?i)team$", cmd):
self.LoadSurvexTeam(survexblock, args)
elif re.match("(?i)set$", cmd) and re.match("(?i)names", args):
pass
elif re.match("(?i)include$", cmd):
message = " ! -ERROR *include command not expected here {}. Re-run a full Survex import.".format(path)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
else:
self.LoadSurvexIgnore(survexblock, args, cmd)
else: # not a *cmd so we are reading data OR rx_comment failed
if "from" in self.stardata: # only interested in survey legs
self.LoadSurvexLineLeg(survexblock, svxline, sline, comment)
else:
pass # ignore all other sorts of data
def RecursiveScan(self, survexblock, path, fin, flinear, fcollate):
"""Follows the *include links in all the survex files from the root file 1623.svx
and reads only the *include and *begin and *end statements. It produces a linearised
list of the include tree
"""
indent = " " * self.depthinclude
sys.stderr.flush();
self.callcount +=1
if self.callcount % 10 ==0 :
print(".", file=sys.stderr,end='')
if self.callcount % 500 ==0 :
print("\n", file=sys.stderr,end='')
if path in self.svxfileslist:
message = " * Warning. Duplicate in *include list at:{} depth:{} file:{}".format(self.callcount, self.depthinclude, path)
print(message)
print(message,file=flinear)
print("\n"+message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
if self.svxfileslist.count(path) > 20:
message = " ! ERROR. Survex file already seen 20x. Probably an infinite loop so fix your *include statements that include this. Aborting. {}".format(path)
print(message)
print(message,file=flinear)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
return
self.svxfileslist.append(path)
svxlines = fin.read().splitlines()
for svxline in svxlines:
self.lineno += 1
includestmt =self.rx_include.match(svxline)
if not includestmt:
fcollate.write("{}\n".format(svxline.strip()))
sline, comment = self.rx_comment.match(svxline.strip()).groups()
mstar = self.rx_star.match(sline)
if mstar: # yes we are reading a *cmd
cmd, args = mstar.groups()
cmd = cmd.lower()
if re.match("(?i)include$", cmd):
includepath = os.path.normpath(os.path.join(os.path.split(path)[0], re.sub(r"\.svx$", "", args)))
fullpath = os.path.join(settings.SURVEX_DATA, includepath + ".svx")
self.RunSurvexIfNeeded(os.path.join(settings.SURVEX_DATA, includepath))
if os.path.isfile(fullpath):
#--------------------------------------------------------
self.depthinclude += 1
fininclude = open(fullpath,'r')
fcollate.write(";*include {}\n".format(includepath))
flinear.write("{:2} {} *include {}\n".format(self.depthinclude, indent, includepath))
push = includepath.lower()
self.stackinclude.append(push)
#-----------------
self.RecursiveScan(survexblock, includepath, fininclude, flinear, fcollate)
#-----------------
pop = self.stackinclude.pop()
if pop != push:
message = "!! ERROR mismatch *include pop!=push {}".format(pop, push, self.stackinclude)
print(message)
print(message,file=flinear)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
flinear.write("{:2} {} *edulcni {}\n".format(self.depthinclude, indent, pop))
fcollate.write(";*edulcni {}\n".format(pop))
fininclude.close()
self.depthinclude -= 1
#--------------------------------------------------------
else:
message = " ! ERROR *include file not found for:'{}'".format(includepath)
print(message)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
elif re.match("(?i)begin$", cmd):
self.depthbegin += 1
depth = " " * self.depthbegin
if args:
pushargs = args
else:
pushargs = " "
self.stackbegin.append(pushargs.lower())
flinear.write(" {:2} {} *begin {}\n".format(self.depthbegin, depth, args))
pass
elif re.match("(?i)end$", cmd):
depth = " " * self.depthbegin
flinear.write(" {:2} {} *end {}\n".format(self.depthbegin, depth, args))
if not args:
args = " "
popargs = self.stackbegin.pop()
if popargs != args.lower():
message = "!! ERROR mismatch in BEGIN/END labels pop!=push '{}'!='{}'\n{}".format(popargs, args, self. stackbegin)
print(message)
print(message,file=flinear)
print(message,file=sys.stderr)
models.DataIssue.objects.create(parser='survex', message=message)
self.depthbegin -= 1
pass
elif re.match("(?i)title$", cmd):
depth = " " * self.depthbegin
flinear.write(" {:2} {} *title {}\n".format(self.depthbegin, depth, args))
pass
def RunSurvexIfNeeded(self,fullpath):
cav_t = 0
log_t = 0
svx_t = 0
now = time.time()
def runcavern():
print(" - Regenerating stale cavern .log and .3d for '{}'\n days old: {:.1f} {:.1f} {:.1f}".
format(fullpath, (svx_t - log_t)/(24*3600), (cav_t - log_t)/(24*3600), (now - log_t)/(24*3600)))
call([settings.CAVERN, "--log", "--output={}".format(fullpath), "{}.svx".format(fullpath)])
svxpath = fullpath + ".svx"
logpath = fullpath + ".log"
if not os.path.isfile(logpath):
runcavern()
return
if not self.caverndate:
completed_process = run(["which", "{}".format(settings.CAVERN)],
capture_output=True, check=True, text=True)
self.caverndate = os.path.getmtime(completed_process.stdout.strip())
cav_t = self.caverndate
log_t = os.path.getmtime(logpath)
svx_t = os.path.getmtime(svxpath)
now = time.time()
if svx_t - log_t > 0: # stale, older than svx file
runcavern()
return
if now - log_t > 60 *24*60*60: # >60 days, re-run anyway
runcavern()
return
if cav_t - log_t > 0: # new version of cavern
runcavern()
return
if ChaosMonkey(30):
runcavern()
def FindAndLoadSurvex(survexblockroot):
"""Follows the *include links recursively to find files
"""
print(' - redirecting stdout to svxblks.log...')
stdout_orig = sys.stdout
# Redirect sys.stdout to the file
sys.stdout = open('svxblks.log', 'w')
print(' - SCANNING All Survex Blocks...',file=sys.stderr)
survexfileroot = survexblockroot.survexfile # i.e. SURVEX_TOPNAME only
collatefilename = "_" + survexfileroot.path + ".svx"
svx_scan = LoadingSurvex()
svx_scan.callcount = 0
svx_scan.depthinclude = 0
fullpathtotop = os.path.join(survexfileroot.survexdirectory.path, survexfileroot.path)
print(" - RunSurvexIfNeeded cavern on '{}'".format(fullpathtotop), file=sys.stderr)
svx_scan.RunSurvexIfNeeded(fullpathtotop)
indent=""
fcollate = open(collatefilename, 'w')
mem0 = models.get_process_memory()
print(" - MEM:{:7.2f} MB START".format(mem0),file=sys.stderr)
flinear = open('svxlinear.log', 'w')
flinear.write(" - MEM:{:7.2f} MB START {}\n".format(mem0,survexfileroot.path))
finroot = survexfileroot.OpenFile()
fcollate.write(";*include {}\n".format(survexfileroot.path))
flinear.write("{:2} {} *include {}\n".format(svx_scan.depthinclude, indent, survexfileroot.path))
#----------------------------------------------------------------
svx_scan.RecursiveScan(survexblockroot, survexfileroot.path, finroot, flinear, fcollate)
#----------------------------------------------------------------
flinear.write("{:2} {} *edulcni {}\n".format(svx_scan.depthinclude, indent, survexfileroot.path))
fcollate.write(";*edulcni {}\n".format(survexfileroot.path))
mem1 = models.get_process_memory()
flinear.write("\n - MEM:{:.2f} MB STOP {}\n".format(mem1,survexfileroot.path))
flinear.write(" - MEM:{:.3f} MB USED\n".format(mem1-mem0))
svxfileslist = svx_scan.svxfileslist
flinear.write(" - {:,} survex files in linear include list \n".format(len(svxfileslist)))
flinear.close()
fcollate.close()
svx_scan = None # Hmm. Does this actually delete all the instance variables if they are lists, dicts etc.?
print("\n - {:,} survex files in linear include list \n".format(len(svxfileslist)),file=sys.stderr)
mem1 = models.get_process_memory()
print(" - MEM:{:7.2f} MB END ".format(mem0),file=sys.stderr)
print(" - MEM:{:7.3f} MB USED".format(mem1-mem0),file=sys.stderr)
svxfileslist = [] # free memory
# Before doing this, it would be good to identify the *equate and *entrance we need that are relevant to the
# entrance locations currently loaded after this by LoadPos(), but could better be done before ?
# look in MapLocations() for how we find the entrances
print('\n - Loading All Survex Blocks (LinearLoad)',file=sys.stderr)
svx_load = LoadingSurvex()
svx_load.svxdirs[""] = survexfileroot.survexdirectory
with open(collatefilename, "r") as fcollate:
svxlines = fcollate.read().splitlines()
#----------------------------------------------------------------
svx_load.LinearLoad(survexblockroot,survexfileroot.path, svxlines)
#----------------------------------------------------------------
print("\n - MEM:{:7.2f} MB STOP".format(mem1),file=sys.stderr)
print(" - MEM:{:7.3f} MB USED".format(mem1-mem0),file=sys.stderr)
survexlegsnumber = svx_load.survexlegsnumber
survexlegsalllength = svx_load.survexlegsalllength
mem1 = models.get_process_memory()
print(" - Number of SurvexDirectories: {}".format(len(svx_load.survexdict)))
tf=0
for d in svx_load.survexdict:
tf += len(svx_load.survexdict[d])
print(" - Number of SurvexFiles: {}".format(tf))
svx_load = None
# Close the logging file, Restore sys.stdout to our old saved file handle
sys.stdout.close()
print("+", file=sys.stderr)
sys.stderr.flush();
sys.stdout = stdout_orig
return (survexlegsnumber, survexlegsalllength)
def MakeSurvexFileRoot():
"""Returns a file_object.path = SURVEX_TOPNAME associated with directory_object.path = SURVEX_DATA
"""
fileroot = models_survex.SurvexFile(path=settings.SURVEX_TOPNAME, cave=None)
fileroot.save()
directoryroot = models_survex.SurvexDirectory(path=settings.SURVEX_DATA, cave=None, primarysurvexfile=fileroot)
directoryroot.save()
fileroot.survexdirectory = directoryroot # i.e. SURVEX_DATA/SURVEX_TOPNAME
fileroot.save() # mutually dependent objects need a double-save like this
return fileroot
def LoadSurvexBlocks():
print(' - Flushing All Survex Blocks...')
models_survex.SurvexBlock.objects.all().delete()
models_survex.SurvexFile.objects.all().delete()
models_survex.SurvexDirectory.objects.all().delete()
models_survex.SurvexPersonRole.objects.all().delete()
models_survex.SurvexStation.objects.all().delete()
print(" - survex Data Issues flushed")
models.DataIssue.objects.filter(parser='survex').delete()
survexfileroot = MakeSurvexFileRoot()
# this next makes a block_object assciated with a file_object.path = SURVEX_TOPNAME
survexblockroot = models_survex.SurvexBlock(name=ROOTBLOCK, survexpath="", cave=None, survexfile=survexfileroot,
legsall=0, legssplay=0, legssurfc=0, totalleglength=0.0)
# this is the first so id=1
survexblockroot.save()
print(' - Loading Survex Blocks...')
memstart = models.get_process_memory()
#----------------------------------------------------------------
survexlegsnumber, survexlegsalllength = FindAndLoadSurvex(survexblockroot)
#----------------------------------------------------------------
memend = models.get_process_memory()
print(" - MEMORY start:{:.3f} MB end:{:.3f} MB increase={:.3f} MB".format(memstart,memend, memend-memstart))
survexblockroot.totalleglength = survexlegsalllength
survexblockroot.legsall = survexlegsnumber
survexblockroot.save()
print(" - total number of survex legs: {}".format(survexlegsnumber))
print(" - total leg lengths loaded: {}m".format(survexlegsalllength))
print(' - Loaded All Survex Blocks.')
poslineregex = re.compile(r"^\(\s*([+-]?\d*\.\d*),\s*([+-]?\d*\.\d*),\s*([+-]?\d*\.\d*)\s*\)\s*([^\s]+)$")
def LoadPos():
"""First load the survex stations for entrances and fixed points (about 600) into the database.
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. This gives us coordinates of the entrances.
If we don't have it in the database, print an error message and discard it.
"""
svx_t = 0
d3d_t = 0
def runcavern3d():
print(" - Regenerating stale (or chaos-monkeyed) cavern .log and .3d for '{}'\n days old: {:.1f} {:.1f} {:.1f}".
format(topdata, (svx_t - d3d_t)/(24*3600), (cav_t - d3d_t)/(24*3600), (now - d3d_t)/(24*3600)))
call([settings.CAVERN, "--log", "--output={}".format(topdata), "{}.svx".format(topdata)])
call([settings.THREEDTOPOS, '{}.3d'.format(topdata)], cwd = settings.SURVEX_DATA)
topdata = settings.SURVEX_DATA + settings.SURVEX_TOPNAME
print((' - Generating a list of Pos from %s.svx and then loading...' % (topdata)))
found = 0
skip = {}
print("\n") # extra line because cavern overwrites the text buffer somehow
# cavern defaults to using same cwd as supplied input file
completed_process = run(["which", "{}".format(settings.CAVERN)],
capture_output=True, check=True, text=True)
cav_t = os.path.getmtime(completed_process.stdout.strip())
svxpath = topdata + ".svx"
d3dpath = topdata + ".3d"
svx_t = os.path.getmtime(svxpath)
if os.path.isfile(d3dpath):
d3d_t = os.path.getmtime(d3dpath)
now = time.time()
if not os.path.isfile(d3dpath):
runcavern3d()
elif svx_t - d3d_t > 0: # stale, 3d older than svx file
runcavern3d()
elif now - d3d_t > 60 *24*60*60: # >60 days old, re-run anyway
runcavern3d()
elif cav_t - d3d_t > 0: # new version of cavern
runcavern3d()
mappoints = {}
for pt in MapLocations().points():
svxid, number, point_type, label = pt
mappoints[svxid]=True
posfile = open("%s.pos" % (topdata))
posfile.readline() #Drop header
try:
survexblockroot = models_survex.SurvexBlock.objects.get(name=ROOTBLOCK)
except:
try:
survexblockroot = models_survex.SurvexBlock.objects.get(id=1)
except:
message = ' ! FAILED to find root SurvexBlock'
print(message)
models.DataIssue.objects.create(parser='survex', message=message)
raise
for line in posfile.readlines():
r = poslineregex.match(line)
if r:
x, y, z, id = r.groups()
for sid in mappoints:
if id.endswith(sid):
blockpath = "." + id[:-len(sid)].strip(".")
# But why are we doing this? Why do we need the survexblock id for each of these ?
# ..because mostly they don't actually appear in any SVX file. We should match them up
# via the cave data, not by this half-arsed syntactic match which almost never works. PMS.
if False:
try:
sbqs = models_survex.SurvexBlock.objects.filter(survexpath=blockpath)
if len(sbqs)==1:
sb = sbqs[0]
if len(sbqs)>1:
message = " ! MULTIPLE SurvexBlocks {:3} matching Entrance point {} {} '{}'".format(len(sbqs), blockpath, sid, id)
print(message)
models.DataIssue.objects.create(parser='survex', message=message)
sb = sbqs[0]
elif len(sbqs)<=0:
message = " ! ZERO SurvexBlocks matching Entrance point {} {} '{}'".format(blockpath, sid, id)
print(message)
models.DataIssue.objects.create(parser='survex', message=message)
sb = survexblockroot
except:
message = ' ! FAIL in getting SurvexBlock matching Entrance point {} {}'.format(blockpath, sid)
print(message)
models.DataIssue.objects.create(parser='survex', message=message)
try:
ss = models_survex.SurvexStation(name=id, block=survexblockroot)
ss.x = float(x)
ss.y = float(y)
ss.z = float(z)
ss.save()
found += 1
except:
message = ' ! FAIL to create SurvexStation Entrance point {} {}'.format(blockpath, sid)
print(message)
models.DataIssue.objects.create(parser='survex', message=message)
raise
print(" - {} SurvexStation entrances found.".format(found))