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Object storage as alternative to SQL
This commit is contained in:
Philip Sargent
parent
8c965015f3
commit
d807e3de7d
@ -5,6 +5,7 @@ import os
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import pickle
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import re
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import time
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import shelve
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from django.conf import settings
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from django.template.defaultfilters import slugify
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@ -96,21 +97,18 @@ def GetCaveLookup():
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return Gcavelookup
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logentries = [] # the entire logbook is a single object: a list of entries
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logentries = [] # the entire logbook for one year is a single object: a list of entries
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noncaveplaces = [ "Journey", "Loser Plateau" ]
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logdataissues = {}
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trips ={}
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def EnterLogIntoDbase(date, place, title, text, trippeople, expedition, logtime_underground, entry_type="wiki"):
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""" saves a logbook entry and related persontrips """
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global logentries
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entrytuple = (date, place, title, text,
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trippeople, expedition, logtime_underground, entry_type)
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logentries.append(entrytuple)
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trippersons, author = GetTripPersons(trippeople, expedition, logtime_underground)
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if not author:
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print(" * Skipping logentry: " + title + " - no author for entry")
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message = "Skipping logentry: %s - no author for entry in year '%s'" % (title, expedition.year)
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print(" ! - Skipping logentry: " + title + " - no author for entry")
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message = " ! - Skipping logentry: %s - no author for entry in year '%s'" % (title, expedition.year)
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DataIssue.objects.create(parser='logbooks', message=message)
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return
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@ -149,8 +147,13 @@ def ParseDate(tripdate, year):
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# 2006, 2008 - 2009
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def Parselogwikitxt(year, expedition, txt):
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global logentries
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global logdataissues
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logbook_entry_count = 0
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trippara = re.findall(r"===(.*?)===([\s\S]*?)(?====)", txt)
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for triphead, triptext in trippara:
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logbook_entry_count += 1
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tripheadp = triphead.split("|")
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assert len(tripheadp) == 3, (tripheadp, triptext)
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tripdate, tripplace, trippeople = tripheadp
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@ -164,15 +167,57 @@ def Parselogwikitxt(year, expedition, txt):
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tu = ""
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ldate = ParseDate(tripdate.strip(), year)
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EnterLogIntoDbase(date = ldate, place = tripcave, title = tripplace, text = triptext, trippeople=trippeople, expedition=expedition, logtime_underground=0)
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tripid =""
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entrytuple = (ldate, tripcave, tripsplace, triptext,
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trippeople, expedition, tu, "wiki", tripid)
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logentries.append(entrytuple)
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EnterLogIntoDbase(date = ldate, place = tripcave, title = tripplace, text = triptext, trippeople=trippeople,
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expedition=expedition, logtime_underground=0)
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EnterLogIntoObjStore(year, ldate, tripcave, tripplace, triptext, trippeople,
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tu, "wiki", tripid, logbook_entry_count)
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def EnterLogIntoObjStore(year, date, tripcave, triptitle, text, trippeople, tu, formattype, tripid1, seq):
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# This will need additional functions to replicate the persontrip calculation and storage. For the
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# moment we leave all that to be done in the django db
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global trips # should be a singleton class object in models.py eventually
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global logdataissues
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if tripid1 is None or tripid1 =="":
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tid= "n{}-s{:02d}".format(str(date),seq)
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#print(" - New id ",tid)
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else:
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tid= tripid1
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if tid in trips:
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msg = " ! DUPLICATE id .{}. {} ~{}~".format(tid, trips[tid][0], trips[tid][1])
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print(msg)
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DataIssue.objects.create(parser='logbooks', message=msg)
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tid= "d{}-s{:02d}".format(str(date),seq)
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#print(" - De-dup ",seq, tid)
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logdataissues[tid]=msg
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trips[tid] = (year, date, tripcave, triptitle, text, trippeople, tu, formattype)
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## copy a lot of checking functionality here from EnterLogIntoDbase()
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# GetTripPersons is a db query, so this will need to be put in ObjStore before this will work..
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# or design a different way to do it.
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#trippersons, author = GetTripPersons(trippeople, expedition, logtime_underground)
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# if not author:
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# print(" ! - Skipping logentry: " + title + " - no author for entry")
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# message = " ! - Skipping logentry: %s - no author for entry in year '%s'" % (title, expedition.year)
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# DataIssue.objects.create(parser='logbooks', message=message)
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# logdataissues[tid+"author"]=message
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# 2002, 2004, 2005, 2007, 2010 - now
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def Parseloghtmltxt(year, expedition, txt):
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#print(" - Starting log html parser")
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global logentries
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global logdataissues
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tripparas = re.findall(r"<hr\s*/>([\s\S]*?)(?=<hr)", txt)
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logbook_entry_count = 0
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for trippara in tripparas:
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#print(" - HR detected - maybe a trip?")
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logbook_entry_count += 1
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s = re.match(r'''(?x)(?:\s*<div\sclass="tripdate"\sid=".*?">.*?</div>\s*<p>)? # second date
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@ -186,7 +231,10 @@ def Parseloghtmltxt(year, expedition, txt):
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''', trippara)
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if not s:
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if not re.search(r"Rigging Guide", trippara):
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print(("can't parse: ", trippara)) # this is 2007 which needs editing
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msg = " !- can't parse: {}".format(trippara) # this is 2007 which needs editing
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print(msg)
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DataIssue.objects.create(parser='logbooks', message=msg)
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logdataissues[tid]=msg
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continue
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tripid, tripid1, tripdate, trippeople, triptitle, triptext, tu = s.groups()
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ldate = ParseDate(tripdate.strip(), year)
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@ -198,14 +246,28 @@ def Parseloghtmltxt(year, expedition, txt):
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ltriptext = re.sub(r"</p>", "", triptext)
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ltriptext = re.sub(r"\s*?\n\s*", " ", ltriptext)
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ltriptext = re.sub(r"<p>", "</br></br>", ltriptext).strip()
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entrytuple = (ldate, tripcave, triptitle, ltriptext,
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trippeople, expedition, tu, "html", tripid1)
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logentries.append(entrytuple)
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EnterLogIntoDbase(date = ldate, place = tripcave, title = triptitle, text = ltriptext,
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trippeople=trippeople, expedition=expedition, logtime_underground=0,
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entry_type="html")
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EnterLogIntoObjStore(year, ldate, tripcave, triptitle, ltriptext, trippeople, tu,
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"html", tripid1, logbook_entry_count)
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# main parser for 1991 - 2001. simpler because the data has been hacked so much to fit it
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def Parseloghtml01(year, expedition, txt):
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global logentries
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global logdataissues
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tripparas = re.findall(r"<hr[\s/]*>([\s\S]*?)(?=<hr)", txt)
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logbook_entry_count = 0
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for trippara in tripparas:
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logbook_entry_count += 1
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s = re.match("(?s)\s*(?:<p>)?(.*?)</?p>(.*)$(?i)", trippara)
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assert s, trippara[:300]
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tripheader, triptext = s.group(1), s.group(2)
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@ -238,14 +300,27 @@ def Parseloghtml01(year, expedition, txt):
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ltriptext = re.sub(r"</?i>", "''", ltriptext)
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ltriptext = re.sub(r"</?b>", "'''", ltriptext)
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entrytuple = (ldate, tripcave, triptitle, ltriptext,
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trippeople, expedition, tu, "html01", tripid)
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logentries.append(entrytuple)
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EnterLogIntoDbase(date=ldate, place=tripcave, title=triptitle, text=ltriptext,
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trippeople=trippeople, expedition=expedition, logtime_underground=0,
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entry_type="html")
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EnterLogIntoObjStore(year, ldate, tripcave, triptitle, ltriptext, trippeople, tu,
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"html01", tripid, logbook_entry_count)
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# parser for 2003
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def Parseloghtml03(year, expedition, txt):
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global logentries
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global logdataissues
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tripparas = re.findall(r"<hr\s*/>([\s\S]*?)(?=<hr)", txt)
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logbook_entry_count = 0
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for trippara in tripparas:
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logbook_entry_count += 1
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s = re.match("(?s)\s*<p>(.*?)</p>(.*)$", trippara)
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assert s, trippara
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tripheader, triptext = s.group(1), s.group(2)
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@ -256,7 +331,7 @@ def Parseloghtml03(year, expedition, txt):
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if re.match("T/U|Time underwater", sheader[-1]):
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tu = sheader.pop()
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if len(sheader) != 3:
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print(("header not three pieces", sheader))
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print((" ! Header not three pieces", sheader))
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tripdate, triptitle, trippeople = sheader
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ldate = ParseDate(tripdate.strip(), year)
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triptitles = triptitle.split(" , ")
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@ -268,10 +343,20 @@ def Parseloghtml03(year, expedition, txt):
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ltriptext = re.sub(r"\s*?\n\s*", " ", ltriptext)
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ltriptext = re.sub(r"<p>", "\n\n", ltriptext).strip()
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ltriptext = re.sub(r"[^\s0-9a-zA-Z\-.,:;'!&()\[\]<>?=+*%]", "_NONASCII_", ltriptext)
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tid= "n{}-s{:02d}".format(str(ldate),logbook_entry_count)
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entrytuple = (ldate, tripcave, triptitle, ltriptext,
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trippeople, expedition, tu, "html03", tid)
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logentries.append(entrytuple)
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EnterLogIntoDbase(date = ldate, place = tripcave, title = triptitle,
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text = ltriptext, trippeople=trippeople, expedition=expedition,
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logtime_underground=0, entry_type="html")
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EnterLogIntoObjStore(year, ldate, tripcave, triptitle, ltriptext, trippeople, tu,
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"html03", tid, logbook_entry_count)
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def SetDatesFromLogbookEntries(expedition):
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"""
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@ -292,14 +377,29 @@ def SetDatesFromLogbookEntries(expedition):
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persontrip.save()
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def LoadLogbookForExpedition(expedition,numentries):
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def LoadLogbookForExpedition(expedition,expect):
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""" Parses all logbook entries for one expedition
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If a cache is found it uses it. If not found, or fails sanity checks, parses source file.
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"""
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# absolutely horrid. REFACTOR THIS (all my fault..)
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global logentries
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logbook_parseable = False
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logbook_cached = False
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yearlinks = settings.LOGBOOK_PARSER_SETTINGS
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expologbase = os.path.join(settings.EXPOWEB, "years")
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logentries=[]
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def validcache(year,n):
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if year != expedition:
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print(" ! year != expedition ",year, expedition )
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return False
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if len(logentries) != n:
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print(" ! len(logentries) != n ",len(logentries), n )
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return False
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if n != expect:
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print(" ! n != expect ",n, expect )
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return False
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return True
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if expedition.year in yearlinks:
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logbookfile = os.path.join(expologbase, yearlinks[expedition.year][0])
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@ -326,11 +426,15 @@ def LoadLogbookForExpedition(expedition,numentries):
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print(" - Reading cache: " + cache_filename, end='')
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try:
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with open(cache_filename, "rb") as f:
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logentries = pickle.load(f)
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print(" -- Loaded ", len(logentries), " log entries")
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logbook_cached = True
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year,n,logentries = pickle.load(f)
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if validcache(year,n):
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print(" -- Loaded ", len(logentries), " log entries")
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logbook_cached = True
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else:
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print(" !- Should be ", expect, " but ", len(logentries), " found in cache")
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raise
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except:
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print("\n ! Failed to load corrupt cache. Deleting it.\n")
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print(" ! Failed to load corrupt cache. Deleting it.")
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os.remove(cache_filename)
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logentries=[]
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raise
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@ -350,50 +454,75 @@ def LoadLogbookForExpedition(expedition,numentries):
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parser = globals()[parsefunc]
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parser(expedition.year, expedition, txt)
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SetDatesFromLogbookEntries(expedition)
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# and this has also stored all the log entries in logentries[]
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if len(logentries) >0:
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print(" - Cacheing " , len(logentries), " log entries")
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with open(cache_filename, "wb") as fc:
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pickle.dump(logentries, fc, 2)
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logbk=(expedition,len(logentries),logentries)
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pickle.dump(logbk, fc, protocol=4)
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else:
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print(" ! NO TRIP entries found in logbook, check the syntax.")
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if logbook_cached:
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if logbook_cached: # working on this bit...
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i=0
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for entrytuple in range(len(logentries)):
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date, place, title, text, trippeople, expedition, logtime_underground, \
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entry_type = logentries[i]
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EnterLogIntoDbase(date, place, title, text, trippeople, expedition, logtime_underground,\
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entry_type)
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date, tripcave, triptitle, text, trippeople, expedition, logtime_underground, entry_type, tripid1 = logentries[i]
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EnterLogIntoDbase(date, tripcave, triptitle, text, trippeople, expedition, 0,
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entry_type)
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EnterLogIntoObjStore(expedition.year, date, tripcave, triptitle, text, trippeople, logtime_underground,
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entry_type, tripid1, i)
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i +=1
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SetDatesFromLogbookEntries(expedition)
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return len(logentries)
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def LoadLogbooks():
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""" This is the master function for parsing all logbooks into the Troggle database.
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"""
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global logdataissues
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logdataissues = {}
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DataIssue.objects.filter(parser='logbooks').delete()
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expos = Expedition.objects.all()
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if len(expos) <= 1:
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print(" ! No expeditions found. Load 'people' first.")
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print(" ! No expeditions found. Load 'people' first.\n")
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nologbook = ["1976", "1977","1978","1979","1980","1980","1981","1983","1984",
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"1985","1986","1987","1988","1989","1990",]
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entries = {"2020": 0, "2019": 40, "2018": 148, "2017": 120, "2016": 162, "2015": 158,
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"2014": 130, "2013": 102, "2012": 150, "2011": 136, "2010": 44, "2009": 104,
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"2008": 98, "2007": 222, "2006": 48, "2005": 110, "2004": 152, "2003": 80, "2002": 62,
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"2001": 96, "2000": 108, "1999": 158, "1998": 86, "1997": 106, "1996": 188, "1995": 82,
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"1994": 64, "1993": 82, "1992": 122, "1991": 76, "1982": 76}
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entries = {"2020": 0, "2019": 20, "2018": 74, "2017": 60, "2016": 81, "2015": 79,
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"2014": 65, "2013": 51, "2012": 75, "2011": 68, "2010": 22, "2009": 52,
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"2008": 49, "2007": 111, "2006": 24, "2005": 55, "2004": 76, "2003": 40, "2002": 31,
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"2001": 48, "2000": 54, "1999": 79, "1998": 43, "1997": 53, "1996": 94, "1995": 41,
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"1994": 32, "1993": 41, "1992": 61, "1991": 38, "1982": 0}
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try:
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os.remove("loadlogbk.log")
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except OSError:
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pass
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nlbe={}
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expd ={}
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with open("loadlogbk.log", "a") as log:
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for expo in expos:
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if expo.year not in nologbook:
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print((" - Logbook for: " + expo.year))
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numentries = LoadLogbookForExpedition(expo, entries[expo.year])
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log.write("{} {} should be {}\n".format(expo.year, numentries, entries[expo.year]))
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log.write("{} {:5d} should be {}\n".format(expo.year, numentries, entries[expo.year]))
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nlbe[expo.year]=numentries
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expd[expo.year]= 0
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print("** total trips in ObjStore:", len(trips))
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for i in logdataissues:
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print("{:15s}: {}".format(i, logdataissues[i]))
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for lbe in trips:
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year, date, tripcave, triptitle, text, trippeople, tu, formattype = trips[lbe]
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expd[year] += 1
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yt=0
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for y in expd:
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print("{} {}".format(y, expd[y]), nlbe[y])
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yt += expd[y]
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print("{} total".format(yt))
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with shelve.open('logbktrips.shelve',writeback=True) as odb:
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for lbe in trips:
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odb[lbe]=trips[lbe]
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odb.sync()
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odb.close()
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dateRegex = re.compile(r'<span\s+class="date">(\d\d\d\d)-(\d\d)-(\d\d)</span>', re.S)
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expeditionYearRegex = re.compile(r'<span\s+class="expeditionyear">(.*?)</span>', re.S)
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