mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-22 15:21:52 +00:00
236 lines
9.1 KiB
Python
236 lines
9.1 KiB
Python
import os
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import re
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from urllib.parse import urljoin
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from pathlib import Path
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from django.conf import settings
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from django.db import models
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from django.urls import reverse
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# from troggle.core.models.troggle import DataIssue # circular import. Hmm
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class SurvexDirectory(models.Model):
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"""This relates a Cave to the primary SurvexFile which is the 'head' of the survex tree for
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that cave. Surely this could just be a property of Cave ? No. Several subdirectories
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all relate to the same Cave
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"""
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path = models.CharField(max_length=200)
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cave = models.ForeignKey("Cave", blank=True, null=True, on_delete=models.SET_NULL)
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primarysurvexfile = models.ForeignKey(
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"SurvexFile", related_name="primarysurvexfile", blank=True, null=True, on_delete=models.SET_NULL
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)
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# could also include files in directory but not referenced
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class Meta:
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ordering = ("id",)
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verbose_name_plural = "Survex directories"
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def contents(self):
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return "[SvxDir:" + str(self.path) + " | Primary svx:" + str(self.primarysurvexfile.path) + ".svx ]"
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def __str__(self):
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return "[SvxDir:" + str(self.path)+ "]"
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class SurvexFile(models.Model):
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path = models.CharField(max_length=200)
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survexdirectory = models.ForeignKey("SurvexDirectory", blank=True, null=True, on_delete=models.SET_NULL)
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cave = models.ForeignKey("Cave", blank=True, null=True, on_delete=models.SET_NULL)
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class Meta:
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ordering = ("id",)
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# Don't change from the default as that breaks troggle webpages and internal referencing!
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# def __str__(self):
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# return "[SurvexFile:"+str(self.path) + "-" + str(self.survexdirectory) + "-" + str(self.cave)+"]"
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def exists(self):
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"""This is only used within the Django templates
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"""
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fname = Path(settings.SURVEX_DATA, self.path + ".svx")
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return fname.is_file()
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def SetDirectory(self):
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dirpath = os.path.split(self.path)[0]
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# pointless search every time we import a survex file if we know there are no duplicates..
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# don't use this for initial import.
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survexdirectorylist = SurvexDirectory.objects.filter(cave=self.cave, path=dirpath)
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if survexdirectorylist:
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self.survexdirectory = survexdirectorylist[0]
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else:
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survexdirectory = SurvexDirectory(path=dirpath, cave=self.cave, primarysurvexfile=self)
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survexdirectory.save()
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self.survexdirectory = survexdirectory
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self.save()
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# Don't change from the default as that breaks troggle webpages and internal referencing!
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# def __str__(self):
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# return "[SurvexFile:"+str(self.path) + "-" + str(self.survexdirectory) + "-" + str(self.cave)+"]"
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def __str__(self):
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return self.path
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class SurvexStationLookUpManager(models.Manager):
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"""what this does,
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https://docs.djangoproject.com/en/dev/topics/db/managers/
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This changes the .objects thinggy to use a case-insensitive match name__iexact
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so that now SurvexStation.objects.lookup() works as a case-insensitive match
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"""
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def lookup(self, name):
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blocknames, sep, stationname = name.rpartition(".")
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return self.get(block=SurvexBlock.objects.lookup(blocknames), name__iexact=stationname)
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class SurvexStation(models.Model):
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name = models.CharField(max_length=100)
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block = models.ForeignKey("SurvexBlock", null=True, on_delete=models.SET_NULL)
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objects = SurvexStationLookUpManager() # overwrites SurvexStation.objects and enables lookup()
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x = models.FloatField(blank=True, null=True)
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y = models.FloatField(blank=True, null=True)
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z = models.FloatField(blank=True, null=True)
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def path(self):
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r = self.name
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b = self.block
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while True:
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if b.name:
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r = b.name + "." + r
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if b.parent:
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b = b.parent
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else:
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return r
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class Meta:
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ordering = ("id",)
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def __str__(self):
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return self.name and str(self.name) or "no name"
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#
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# Single SurvexBlock
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#
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class SurvexBlockLookUpManager(models.Manager):
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"""what this does,
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https://docs.djangoproject.com/en/dev/topics/db/managers/
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This adds a method to the .objects thinggy to use a case-insensitive match name__iexact
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so that now SurvexBlock.objects.lookup() works as a case-insensitive match.
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This is used in lookup() in SurvexStationLookUpManager()
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which is used in Entrance().other_location() which is used in the Cave webpage
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"""
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def lookup(self, name):
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if name == "":
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blocknames = []
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else:
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blocknames = name.split(".")
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block = SurvexBlock.objects.get(parent=None, survexfile__path=settings.SURVEX_TOPNAME)
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for blockname in blocknames:
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block = SurvexBlock.objects.get(parent=block, name__iexact=blockname)
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return block
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class SurvexBlock(models.Model):
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"""One begin..end block within a survex file. The basic element of a survey trip.
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Multiple anonymous survex blocks are possible within the same surfex file
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Blocks can span several *included survexfile though.
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"""
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objects = SurvexBlockLookUpManager() # overwrites SurvexBlock.objects and enables lookup()
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name = models.CharField(max_length=100)
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title = models.CharField(max_length=200)
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parent = models.ForeignKey("SurvexBlock", blank=True, null=True, on_delete=models.SET_NULL)
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date = models.DateField(blank=True, null=True)
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expedition = models.ForeignKey("Expedition", blank=True, null=True, on_delete=models.SET_NULL)
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# if the survexfile object is deleted, then all teh suvex-blocks in it should be too,
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# though a block can span more than one file...
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survexfile = models.ForeignKey("SurvexFile", blank=True, null=True, on_delete=models.CASCADE)
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survexpath = models.CharField(max_length=200) # the path for the survex stations
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scanswallet = models.ForeignKey(
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"Wallet", null=True, on_delete=models.SET_NULL
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) # only ONE wallet per block. The most recent seen overwites.. ugh.
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legsall = models.IntegerField(null=True) # summary data for this block
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legslength = models.FloatField(null=True)
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class Meta:
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ordering = ("id",)
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# def __str__(self):
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# return "[SurvexBlock:" + str(self.name) + "-path:" + str(self.survexpath) + "-cave:" + str(self.cave) + "]"
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def __str__(self):
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return self.name and str(self.name) or "no_name-#" + str(self.id)
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def isSurvexBlock(self): # Function used in templates
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return True
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def DayIndex(self):
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"""This is used to set different colours for the different trips on
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the calendar view of the expedition"""
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mx = 10
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index = list(SurvexBlock.objects.filter(date=self.date)).index(self)
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if index not in range(0, mx):
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print(f"DayIndex: More than {mx-1} SurvexBlock items on one day '{index}' {self}")
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index = 0
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# return list(self.survexblock_set.all()).index(self)
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return index
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class SurvexPersonRole(models.Model):
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"""The CASCADE means that if a SurvexBlock or a Person is deleted, then the SurvexPersonRole
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is deleted too
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"""
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survexblock = models.ForeignKey("SurvexBlock", on_delete=models.CASCADE)
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# increasing levels of precision, Surely we only need survexblock and person now that we have no link to a logbook entry?
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personname = models.CharField(max_length=100)
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person = models.ForeignKey("Person", blank=True, null=True, on_delete=models.CASCADE) # not needed
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personexpedition = models.ForeignKey("PersonExpedition", blank=True, null=True, on_delete=models.SET_NULL)
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def __str__(self):
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return str(self.personname) + " - " + str(self.survexblock)
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class SingleScan(models.Model):
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"""A single file holding an image. Could be raw notes, an elevation plot or whatever"""
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ffile = models.CharField(max_length=200)
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name = models.CharField(max_length=200)
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wallet = models.ForeignKey("Wallet", null=True, on_delete=models.SET_NULL)
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class Meta:
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ordering = ("name",)
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def get_absolute_url(self):
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return urljoin(
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settings.URL_ROOT,
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reverse("scansingle", kwargs={"path": re.sub("#", "%23", self.wallet.walletname), "file": self.name}),
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)
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def __str__(self):
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return "Scan Image: " + str(self.name) + " in " + str(self.wallet)
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class DrawingFile(models.Model):
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"""A file holding a Therion (several types) or a Tunnel drawing
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Most of the implied capabilities are not implemented yet"""
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dwgpath = models.CharField(max_length=200)
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dwgname = models.CharField(max_length=200)
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dwgwallets = models.ManyToManyField("Wallet") # implicitly links via folders to scans to SVX files
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scans = models.ManyToManyField("SingleScan") # implicitly links via scans to SVX files
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dwgcontains = models.ManyToManyField("DrawingFile") # case when its a frame type
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filesize = models.IntegerField(default=0)
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npaths = models.IntegerField(default=0)
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survexfiles = models.ManyToManyField("SurvexFile") # direct link to SVX files - not populated yet
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class Meta:
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ordering = ("dwgpath",)
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def __str__(self):
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return "Drawing File: " + str(self.dwgname) + " (" + str(self.filesize) + " bytes)"
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