troggle-unchained/logbooksdump.py

import os
import time
import timeit

import settings
"""currently unused function. To be re-engineered to produce a logbook file
in canonical post-2010 Parseloghtmltxt() format after importing from one of the 
older more artisanal formats which will then be retired. For example, 2003 used 
a unique HTML format and we should regularise this and deprecate the unique parser
code Parseloghtml03().
"""
os.environ['PYTHONPATH'] = settings.PYTHON_PATH
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings')

from django.core import management
from django.db import connection, close_old_connections
from django.contrib.auth.models import User
from django.http import HttpResponse
from django.urls import reverse

from troggle.core.models.caves import Cave, Entrance

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
#Temporary function until definitive source of data transfered.
from django.template.defaultfilters import slugify
from django.template import loader
def dumplogbooks():
    '''This appears to take all the LBEs in the database and to write them all out as infividual html files
    so that they can be re-imported.
    This is the sort of silly thing you have to do when you started out thinking that the database was
    going to be the Source Of All Truth and then retrofitting to make inthe input files be the master.
    
    To be rewritten to produce a single logbook.html in a modern format
    '''
    def get_name(pe):
            if pe.nickname:
                return pe.nickname
            else:
                return pe.person.first_name
    for lbe in troggle.core.models.LogbookEntry.objects.all():
            dateStr = lbe.date.strftime("%Y-%m-%d")
            directory = os.path.join(settings.EXPOWEB, 
                                "years",
                                lbe.expedition.year, 
                                "autologbook")
            if not os.path.isdir(directory):
                os.mkdir(directory)
            filename = os.path.join(directory, 
                                    dateStr + "." + slugify(lbe.title)[:50] + ".html")
            if lbe.cave:
                print((lbe.cave.reference()))
                trip = {"title": lbe.title, "html":lbe.text, "cave": lbe.cave.reference(), "caveOrLocation": "cave"}
            else:
                trip = {"title": lbe.title, "html":lbe.text, "location":lbe.place, "caveOrLocation": "location"}
            pts = [pt for pt in lbe.persontrip_set.all() if pt.personexpedition]
            persons = [{"name": get_name(pt.personexpedition), "TU": pt.time_underground, "author": pt.is_logbook_entry_author} for pt in pts]
            f = open(filename, "wb")
            template = loader.get_template('dataformat/logbookentry.html')
            context = {'trip': trip, 
                               'persons': persons,
                               'date': dateStr,
                               'expeditionyear': lbe.expedition.year}
            output = template.render(context)
            f.write(str(output).encode( "utf-8" ))
            f.close()
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