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mirror of https://expo.survex.com/repositories/troggle/.git synced 2024-11-21 23:01:52 +00:00

Object storage as alternative to SQL

This commit is contained in:
Philip Sargent 2020-06-08 21:33:32 +01:00
parent 8c965015f3
commit d807e3de7d

View File

@ -5,6 +5,7 @@ import os
import pickle
import re
import time
import shelve
from django.conf import settings
from django.template.defaultfilters import slugify
@ -96,21 +97,18 @@ def GetCaveLookup():
return Gcavelookup
logentries = [] # the entire logbook is a single object: a list of entries
logentries = [] # the entire logbook for one year is a single object: a list of entries
noncaveplaces = [ "Journey", "Loser Plateau" ]
logdataissues = {}
trips ={}
def EnterLogIntoDbase(date, place, title, text, trippeople, expedition, logtime_underground, entry_type="wiki"):
""" saves a logbook entry and related persontrips """
global logentries
entrytuple = (date, place, title, text,
trippeople, expedition, logtime_underground, entry_type)
logentries.append(entrytuple)
trippersons, author = GetTripPersons(trippeople, expedition, logtime_underground)
if not author:
print(" * Skipping logentry: " + title + " - no author for entry")
message = "Skipping logentry: %s - no author for entry in year '%s'" % (title, expedition.year)
print(" ! - Skipping logentry: " + title + " - no author for entry")
message = " ! - Skipping logentry: %s - no author for entry in year '%s'" % (title, expedition.year)
DataIssue.objects.create(parser='logbooks', message=message)
return
@ -149,8 +147,13 @@ def ParseDate(tripdate, year):
# 2006, 2008 - 2009
def Parselogwikitxt(year, expedition, txt):
global logentries
global logdataissues
logbook_entry_count = 0
trippara = re.findall(r"===(.*?)===([\s\S]*?)(?====)", txt)
for triphead, triptext in trippara:
logbook_entry_count += 1
tripheadp = triphead.split("|")
assert len(tripheadp) == 3, (tripheadp, triptext)
tripdate, tripplace, trippeople = tripheadp
@ -164,15 +167,57 @@ def Parselogwikitxt(year, expedition, txt):
tu = ""
ldate = ParseDate(tripdate.strip(), year)
EnterLogIntoDbase(date = ldate, place = tripcave, title = tripplace, text = triptext, trippeople=trippeople, expedition=expedition, logtime_underground=0)
tripid =""
entrytuple = (ldate, tripcave, tripsplace, triptext,
trippeople, expedition, tu, "wiki", tripid)
logentries.append(entrytuple)
EnterLogIntoDbase(date = ldate, place = tripcave, title = tripplace, text = triptext, trippeople=trippeople,
expedition=expedition, logtime_underground=0)
EnterLogIntoObjStore(year, ldate, tripcave, tripplace, triptext, trippeople,
tu, "wiki", tripid, logbook_entry_count)
def EnterLogIntoObjStore(year, date, tripcave, triptitle, text, trippeople, tu, formattype, tripid1, seq):
# This will need additional functions to replicate the persontrip calculation and storage. For the
# moment we leave all that to be done in the django db
global trips # should be a singleton class object in models.py eventually
global logdataissues
if tripid1 is None or tripid1 =="":
tid= "n{}-s{:02d}".format(str(date),seq)
#print(" - New id ",tid)
else:
tid= tripid1
if tid in trips:
msg = " ! DUPLICATE id .{}. {} ~{}~".format(tid, trips[tid][0], trips[tid][1])
print(msg)
DataIssue.objects.create(parser='logbooks', message=msg)
tid= "d{}-s{:02d}".format(str(date),seq)
#print(" - De-dup ",seq, tid)
logdataissues[tid]=msg
trips[tid] = (year, date, tripcave, triptitle, text, trippeople, tu, formattype)
## copy a lot of checking functionality here from EnterLogIntoDbase()
# GetTripPersons is a db query, so this will need to be put in ObjStore before this will work..
# or design a different way to do it.
#trippersons, author = GetTripPersons(trippeople, expedition, logtime_underground)
# if not author:
# print(" ! - Skipping logentry: " + title + " - no author for entry")
# message = " ! - Skipping logentry: %s - no author for entry in year '%s'" % (title, expedition.year)
# DataIssue.objects.create(parser='logbooks', message=message)
# logdataissues[tid+"author"]=message
# 2002, 2004, 2005, 2007, 2010 - now
def Parseloghtmltxt(year, expedition, txt):
#print(" - Starting log html parser")
global logentries
global logdataissues
tripparas = re.findall(r"<hr\s*/>([\s\S]*?)(?=<hr)", txt)
logbook_entry_count = 0
for trippara in tripparas:
#print(" - HR detected - maybe a trip?")
logbook_entry_count += 1
s = re.match(r'''(?x)(?:\s*<div\sclass="tripdate"\sid=".*?">.*?</div>\s*<p>)? # second date
@ -186,7 +231,10 @@ def Parseloghtmltxt(year, expedition, txt):
''', trippara)
if not s:
if not re.search(r"Rigging Guide", trippara):
print(("can't parse: ", trippara)) # this is 2007 which needs editing
msg = " !- can't parse: {}".format(trippara) # this is 2007 which needs editing
print(msg)
DataIssue.objects.create(parser='logbooks', message=msg)
logdataissues[tid]=msg
continue
tripid, tripid1, tripdate, trippeople, triptitle, triptext, tu = s.groups()
ldate = ParseDate(tripdate.strip(), year)
@ -198,14 +246,28 @@ def Parseloghtmltxt(year, expedition, txt):
ltriptext = re.sub(r"</p>", "", triptext)
ltriptext = re.sub(r"\s*?\n\s*", " ", ltriptext)
ltriptext = re.sub(r"<p>", "</br></br>", ltriptext).strip()
entrytuple = (ldate, tripcave, triptitle, ltriptext,
trippeople, expedition, tu, "html", tripid1)
logentries.append(entrytuple)
EnterLogIntoDbase(date = ldate, place = tripcave, title = triptitle, text = ltriptext,
trippeople=trippeople, expedition=expedition, logtime_underground=0,
entry_type="html")
EnterLogIntoObjStore(year, ldate, tripcave, triptitle, ltriptext, trippeople, tu,
"html", tripid1, logbook_entry_count)
# main parser for 1991 - 2001. simpler because the data has been hacked so much to fit it
def Parseloghtml01(year, expedition, txt):
global logentries
global logdataissues
tripparas = re.findall(r"<hr[\s/]*>([\s\S]*?)(?=<hr)", txt)
logbook_entry_count = 0
for trippara in tripparas:
logbook_entry_count += 1
s = re.match("(?s)\s*(?:<p>)?(.*?)</?p>(.*)$(?i)", trippara)
assert s, trippara[:300]
tripheader, triptext = s.group(1), s.group(2)
@ -238,14 +300,27 @@ def Parseloghtml01(year, expedition, txt):
ltriptext = re.sub(r"</?i>", "''", ltriptext)
ltriptext = re.sub(r"</?b>", "'''", ltriptext)
entrytuple = (ldate, tripcave, triptitle, ltriptext,
trippeople, expedition, tu, "html01", tripid)
logentries.append(entrytuple)
EnterLogIntoDbase(date=ldate, place=tripcave, title=triptitle, text=ltriptext,
trippeople=trippeople, expedition=expedition, logtime_underground=0,
entry_type="html")
EnterLogIntoObjStore(year, ldate, tripcave, triptitle, ltriptext, trippeople, tu,
"html01", tripid, logbook_entry_count)
# parser for 2003
def Parseloghtml03(year, expedition, txt):
global logentries
global logdataissues
tripparas = re.findall(r"<hr\s*/>([\s\S]*?)(?=<hr)", txt)
logbook_entry_count = 0
for trippara in tripparas:
logbook_entry_count += 1
s = re.match("(?s)\s*<p>(.*?)</p>(.*)$", trippara)
assert s, trippara
tripheader, triptext = s.group(1), s.group(2)
@ -256,7 +331,7 @@ def Parseloghtml03(year, expedition, txt):
if re.match("T/U|Time underwater", sheader[-1]):
tu = sheader.pop()
if len(sheader) != 3:
print(("header not three pieces", sheader))
print((" ! Header not three pieces", sheader))
tripdate, triptitle, trippeople = sheader
ldate = ParseDate(tripdate.strip(), year)
triptitles = triptitle.split(" , ")
@ -268,10 +343,20 @@ def Parseloghtml03(year, expedition, txt):
ltriptext = re.sub(r"\s*?\n\s*", " ", ltriptext)
ltriptext = re.sub(r"<p>", "\n\n", ltriptext).strip()
ltriptext = re.sub(r"[^\s0-9a-zA-Z\-.,:;'!&()\[\]<>?=+*%]", "_NONASCII_", ltriptext)
tid= "n{}-s{:02d}".format(str(ldate),logbook_entry_count)
entrytuple = (ldate, tripcave, triptitle, ltriptext,
trippeople, expedition, tu, "html03", tid)
logentries.append(entrytuple)
EnterLogIntoDbase(date = ldate, place = tripcave, title = triptitle,
text = ltriptext, trippeople=trippeople, expedition=expedition,
logtime_underground=0, entry_type="html")
EnterLogIntoObjStore(year, ldate, tripcave, triptitle, ltriptext, trippeople, tu,
"html03", tid, logbook_entry_count)
def SetDatesFromLogbookEntries(expedition):
"""
@ -292,15 +377,30 @@ def SetDatesFromLogbookEntries(expedition):
persontrip.save()
def LoadLogbookForExpedition(expedition,numentries):
def LoadLogbookForExpedition(expedition,expect):
""" Parses all logbook entries for one expedition
If a cache is found it uses it. If not found, or fails sanity checks, parses source file.
"""
# absolutely horrid. REFACTOR THIS (all my fault..)
global logentries
logbook_parseable = False
logbook_cached = False
yearlinks = settings.LOGBOOK_PARSER_SETTINGS
expologbase = os.path.join(settings.EXPOWEB, "years")
logentries=[]
def validcache(year,n):
if year != expedition:
print(" ! year != expedition ",year, expedition )
return False
if len(logentries) != n:
print(" ! len(logentries) != n ",len(logentries), n )
return False
if n != expect:
print(" ! n != expect ",n, expect )
return False
return True
if expedition.year in yearlinks:
logbookfile = os.path.join(expologbase, yearlinks[expedition.year][0])
parsefunc = yearlinks[expedition.year][1]
@ -326,11 +426,15 @@ def LoadLogbookForExpedition(expedition,numentries):
print(" - Reading cache: " + cache_filename, end='')
try:
with open(cache_filename, "rb") as f:
logentries = pickle.load(f)
print(" -- Loaded ", len(logentries), " log entries")
logbook_cached = True
year,n,logentries = pickle.load(f)
if validcache(year,n):
print(" -- Loaded ", len(logentries), " log entries")
logbook_cached = True
else:
print(" !- Should be ", expect, " but ", len(logentries), " found in cache")
raise
except:
print("\n ! Failed to load corrupt cache. Deleting it.\n")
print(" ! Failed to load corrupt cache. Deleting it.")
os.remove(cache_filename)
logentries=[]
raise
@ -350,50 +454,75 @@ def LoadLogbookForExpedition(expedition,numentries):
parser = globals()[parsefunc]
parser(expedition.year, expedition, txt)
SetDatesFromLogbookEntries(expedition)
# and this has also stored all the log entries in logentries[]
if len(logentries) >0:
print(" - Cacheing " , len(logentries), " log entries")
with open(cache_filename, "wb") as fc:
pickle.dump(logentries, fc, 2)
logbk=(expedition,len(logentries),logentries)
pickle.dump(logbk, fc, protocol=4)
else:
print(" ! NO TRIP entries found in logbook, check the syntax.")
if logbook_cached:
if logbook_cached: # working on this bit...
i=0
for entrytuple in range(len(logentries)):
date, place, title, text, trippeople, expedition, logtime_underground, \
entry_type = logentries[i]
EnterLogIntoDbase(date, place, title, text, trippeople, expedition, logtime_underground,\
entry_type)
date, tripcave, triptitle, text, trippeople, expedition, logtime_underground, entry_type, tripid1 = logentries[i]
EnterLogIntoDbase(date, tripcave, triptitle, text, trippeople, expedition, 0,
entry_type)
EnterLogIntoObjStore(expedition.year, date, tripcave, triptitle, text, trippeople, logtime_underground,
entry_type, tripid1, i)
i +=1
SetDatesFromLogbookEntries(expedition)
return len(logentries)
def LoadLogbooks():
""" This is the master function for parsing all logbooks into the Troggle database.
"""
global logdataissues
logdataissues = {}
DataIssue.objects.filter(parser='logbooks').delete()
expos = Expedition.objects.all()
if len(expos) <= 1:
print(" ! No expeditions found. Load 'people' first.")
print(" ! No expeditions found. Load 'people' first.\n")
nologbook = ["1976", "1977","1978","1979","1980","1980","1981","1983","1984",
"1985","1986","1987","1988","1989","1990",]
entries = {"2020": 0, "2019": 40, "2018": 148, "2017": 120, "2016": 162, "2015": 158,
"2014": 130, "2013": 102, "2012": 150, "2011": 136, "2010": 44, "2009": 104,
"2008": 98, "2007": 222, "2006": 48, "2005": 110, "2004": 152, "2003": 80, "2002": 62,
"2001": 96, "2000": 108, "1999": 158, "1998": 86, "1997": 106, "1996": 188, "1995": 82,
"1994": 64, "1993": 82, "1992": 122, "1991": 76, "1982": 76}
entries = {"2020": 0, "2019": 20, "2018": 74, "2017": 60, "2016": 81, "2015": 79,
"2014": 65, "2013": 51, "2012": 75, "2011": 68, "2010": 22, "2009": 52,
"2008": 49, "2007": 111, "2006": 24, "2005": 55, "2004": 76, "2003": 40, "2002": 31,
"2001": 48, "2000": 54, "1999": 79, "1998": 43, "1997": 53, "1996": 94, "1995": 41,
"1994": 32, "1993": 41, "1992": 61, "1991": 38, "1982": 0}
try:
os.remove("loadlogbk.log")
except OSError:
pass
nlbe={}
expd ={}
with open("loadlogbk.log", "a") as log:
for expo in expos:
if expo.year not in nologbook:
print((" - Logbook for: " + expo.year))
numentries = LoadLogbookForExpedition(expo, entries[expo.year])
log.write("{} {} should be {}\n".format(expo.year, numentries, entries[expo.year]))
log.write("{} {:5d} should be {}\n".format(expo.year, numentries, entries[expo.year]))
nlbe[expo.year]=numentries
expd[expo.year]= 0
print("** total trips in ObjStore:", len(trips))
for i in logdataissues:
print("{:15s}: {}".format(i, logdataissues[i]))
for lbe in trips:
year, date, tripcave, triptitle, text, trippeople, tu, formattype = trips[lbe]
expd[year] += 1
yt=0
for y in expd:
print("{} {}".format(y, expd[y]), nlbe[y])
yt += expd[y]
print("{} total".format(yt))
with shelve.open('logbktrips.shelve',writeback=True) as odb:
for lbe in trips:
odb[lbe]=trips[lbe]
odb.sync()
odb.close()
dateRegex = re.compile(r'<span\s+class="date">(\d\d\d\d)-(\d\d)-(\d\d)</span>', re.S)
expeditionYearRegex = re.compile(r'<span\s+class="expeditionyear">(.*?)</span>', re.S)