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troggle/parsers/QMs.py

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# -*- coding: UTF-8 -*-
import csv
from django.conf import settings
from core.models import QM, LogbookEntry, Cave
from datetime import *
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from utils import save_carefully
import re, os
def deleteQMs():
QM.objects.all().delete()
def parseCaveQMs(cave,inputFile):
"""Runs through the CSV file at inputFile (which is a relative path from expoweb) and saves each QM as a QM instance."""
if cave=='stein':
try:
steinBr=Cave.objects.get(official_name="Steinbrückenhöhle")
except Cave.DoesNotExist:
print "Steinbruckenhoehle is not in the database. Please run parsers.cavetab first."
return
elif cave=='hauch':
try:
hauchHl=Cave.objects.get(official_name="Hauchhöhle")
except Cave.DoesNotExist:
print "Hauchhoele is not in the database. Please run parsers.cavetab first."
return
elif cave =='kh':
try:
kh=Cave.objects.get(official_name="Kaninchenhöhle")
except Cave.DoesNotExist:
print "KH is not in the database. Please run parsers.cavetab first."
parse_KH_QMs(kh, inputFile=inputFile)
return
qmPath = settings.EXPOWEB+inputFile
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qmCSVContents = open(qmPath,'rU')
dialect=csv.Sniffer().sniff(qmCSVContents.read())
qmCSVContents.seek(0,0)
qmReader = csv.reader(qmCSVContents,dialect=dialect)
qmReader.next() # Skip header row
for line in qmReader:
try:
year=int(line[0][1:5])
#check if placeholder exists for given year, create it if not
if cave=='stein':
placeholder, hadToCreate = LogbookEntry.objects.get_or_create(date__year=year, title="placeholder for QMs in 204", text="QMs temporarily attached to this should be re-attached to their actual trips", defaults={"date": date(year, 1, 1),"cave":steinBr})
elif cave=='hauch':
placeholder, hadToCreate = LogbookEntry.objects.get_or_create(date__year=year, title="placeholder for QMs in 234", text="QMs temporarily attached to this should be re-attached to their actual trips", defaults={"date": date(year, 1, 1),"cave":hauchHl})
if hadToCreate:
print cave+" placeholder logbook entry for " + str(year) + " added to database"
QMnum=re.match(r".*?-\d*?-X?(?P<numb>\d*)",line[0]).group("numb")
newQM = QM()
newQM.found_by=placeholder
newQM.number=QMnum
if line[1]=="Dig":
newQM.grade="D"
else:
newQM.grade=line[1]
newQM.area=line[2]
newQM.location_description=line[3]
newQM.completion_description=line[4]
newQM.nearest_station_description=line[5]
if newQM.completion_description: # Troggle checks if QMs are completed by checking if they have a ticked_off_by trip. In the table, completion is indicated by the presence of a completion discription.
newQM.ticked_off_by=placeholder
newQM.comment=line[6]
try:
preexistingQM=QM.objects.get(number=QMnum, found_by__date__year=year) #if we don't have this one in the DB, save it
if preexistingQM.new_since_parsing==False: #if the pre-existing QM has not been modified, overwrite it
preexistingQM.delete()
newQM.save()
print "overwriting " + str(preexistingQM) +"\r",
else: # otherwise, print that it was ignored
print "preserving "+ str(preexistingQM) + ", which was edited in admin \r",
except QM.DoesNotExist: #if there is no pre-existing QM, save the new one
newQM.save()
print "QM "+str(newQM) + ' added to database\r',
except KeyError: #check on this one
continue
except IndexError:
print "Index error in " + str(line)
continue
def parse_KH_QMs(kh, inputFile):
"""import QMs from the 1623-161 (Kaninchenh<6E>hle) html pages
"""
khQMs=open(settings.EXPOWEB+inputFile,'r')
khQMs=khQMs.readlines()
for line in khQMs:
res=re.search('name=\"[CB](?P<year>\d*)-(?P<cave>\d*)-(?P<number>\d*).*</a> (?P<grade>[ABDCV])<dd>(?P<description>.*)\[(?P<nearest_station>.*)\]',line)
if res:
res=res.groupdict()
year=int(res['year'])
#check if placeholder exists for given year, create it if not
placeholder, hadToCreate = LogbookEntry.objects.get_or_create(date__year=year, title="placeholder for QMs in 161", text="QMs temporarily attached to this should be re-attached to their actual trips", defaults={"date": date((year), 1, 1),"cave":kh})
lookupArgs={
'found_by':placeholder,
'number':res['number']
}
nonLookupArgs={
'grade':res['grade'],
'nearest_station':res['nearest_station'],
'location_description':res['description']
}
save_carefully(QM,lookupArgs,nonLookupArgs)
parseCaveQMs(cave='stein',inputFile=r"smkridge/204/qm.csv")
parseCaveQMs(cave='hauch',inputFile=r"smkridge/234/qm.csv")
parseCaveQMs(cave='kh', inputFile="smkridge/161/qmtodo.htm")