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pipelines_old.py
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pipelines_old.py
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# -*- coding: utf-8 -*-
# Define your item pipelines here
#/Users/vmac/RACING1/HKG/scrapers/dist/hkjc
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: http://doc.scrapy.org/en/latest/topics/item-pipeline.html
import scrapy
import pprint
from scrapy.contrib.pipeline.images import ImagesPipeline
from scrapy.exceptions import DropItem
from collections import defaultdict
from datetime import datetime
from sqlalchemy.orm import sessionmaker, exc
from scrapy.contrib.pipeline.files import FileException
from scrapy import log
import hashlib
from hkjc.models import *
from hkjc.items import *
from sa_decorators import DBDefer
dbdefer = DBDefer(URL(**settings.DATABASE))
# metadata = MetaData(dbdefer.engine)
def_time = datetime(year=1900, month=1, day=1).time()
def_DBL = None
def_int = None
pp = pprint.PrettyPrinter(indent=4)
# class NoInRaceImagePipeLine(ImagesPipeline):
# def set_filename(self, response):
# #add a regex here to check the title is valid for a filename.
# return 'full/{0}.jpg'.format(response.meta['Url'][0])
# def get_media_requests(self, item, info):
# for image_url in item['image_urls']:
# # yield scrapy.Request(image_url, meta={'url': item['url']})
# yield scrapy.Request(image_url)
# def get_images(self, response, request, info):
# for key, image, buf in super(NoInRaceImagePipeLine, self).get_images(response, request, info):
# key = self.set_filename(response)
# yield key, image, buf
def getLBW(lbw, place, LBWFirst):
if place == 1:
return LBWFirst
else:
return lbw
def getnosectionals(distance):
if distance is None or distance == 0:
return 0
else:
return {
'1000': 3,
'1100': 3,
'1200': 3,
'1400': 4,
'1500': 4,
'1600': 4,
'1650': 4,
'1700': 5,
'1750': 5,
'1800': 5,
'1900': 5,
'2000': 6,
'2200': 6,
'2400': 6
}.get(str(distance),0)
def gethorseprize(placenum, prizemoney):
# print (place, float(prizemoney))
if placenum is None or prizemoney is None:
return None
# print (place, prizemoney)
return {
'1': float(57.0*float(prizemoney))/100.0,
'2': float(22.0*float(prizemoney))/100.0,
'3': float(11.5*float(prizemoney))/100.0,
'4': float(6.0*float(prizemoney))/100.0,
'5': float(3.5*float(prizemoney))/100.0
}.get(str(placenum), 0.0)
#inraceimage one per race
# @dbdefer
class MyImagesPipeline(ImagesPipeline):
def file_path(self, request, response=None, info=None):
#item=request.meta['item'] # Like this you can use all from item, not just url.
#http://www.hkjc.com/english/racing/finishphoto.asp?racedate=20141220R1_L.jpg
image_id = request.url.split('/')[-1]
# image_id = request.meta.get('Inracename')
#get name
return 'full/%s' % (image_id)
# def set_filename(self, response):
# # pp.pprint(response.meta)
# theurl = response.meta["RacecourseCode"][0] + response.meta["RaceDate"][0] + response.meta["RaceNumber"][0]
# #add a regex here to check the title is valid for a filename.
# return 'full/{0}.jpg'.format(theurl)
# def get_images(self, response, request, info):
# for key, image, buf in super(MyImagesPipeLine, self).get_images(response, request, info):
# key = self.set_filename(response)
# yield key, image, buf
def get_media_requests(self, item, info):
try:
for image in item['image_urls']:
yield scrapy.Request(image)
except:
None
def item_completed(self, results, item, info):
image_urls = [x['url'] for ok,x in results if ok]
if not image_urls:
raise DropItem("no images in this item: sucks")
item['image_urls'] = image_urls
return item
class SQLAlchemyPipeline(object):
def __init__(self):
engine = get_engine()
create_schema(engine)
self.Session = sessionmaker(bind=engine)
self.cache = defaultdict(lambda: defaultdict(lambda: None))
# metadata = sa.MetaData(dbdefer.engine)
# TODO: get horsecolors!
# @dbdefer
def process_item(self, item, spider):
if not isinstance(item, (HorseItem, ResultsItem)):
return item
session = self.Session()
if isinstance(item, HorseItem):
trackwork = HKTrackwork(EventDate=item["EventDate"],
EventVenue=item["EventVenue"],
EventDescription=item["EventDescription"],
# ImportType=item["ImportType"],
# SireName=item["SireName"],
# DamName=item["DamName"],
# DamSireName=item["DamSireName"],
EventTypeid=self.get_id(session, EventType, "Name", {"Name": item["EventType"]}),
Ownerid=self.get_id(session, Owner, "Name",
{"Name": item["Owner"], "Homecountry": item["Homecountry"]}),
Gearid=self.get_id(session, Gear, "Name", {"Name": item["Gear"]}),
Horseid=self.get_id(session, Horse, "Code",
{"Code": item["HorseCode"], "Name": item["HorseName"], \
"Homecountry": item["Homecountry"], \
"SireName": item["SireName"], "DamName": item["DamName"], \
"DamSireName": item["DamSireName"],
"ImportType": item["ImportType"]
}))
if isinstance(item, ResultsItem):
# racework = HKRace(
# Url=item["Url"],
# RacecourseCode = item["RacecourseCode"],
# RaceNumber = item["RaceNumber"],
# Prizemoney = item["Prizemoney"],
# Raceratingspan = item.get("Raceratingspan", None),
# Surface=item["Surface"],
# IncidentReport = item["IncidentReport"],
# RaceIndex = item["RaceIndex"],
# PublicRaceIndex = item["RacecourseCode"] + item["RaceDate"] + item["RaceNumber"],
# Raceclassid= self.get_id(session, Raceclass, "Name", {"Name": item["Raceclass"]}),
# Railtypeid = self.get_id(session, Railtype, "Name", {"Name": item["Railtype"]}),
# Goingid = self.get_id(session, Going, "Name", {"Name": item["Going"]}),
# Distanceid = self.get_id(session, Distance, "MetricName", {"MetricName": int(item["Distance"]),"Miles": float(float(item["Distance"])/1600.0),
# "Furlongs": int(int(item["Distance"])/200) })
# )
trackwork = HKRunner(
# Raceid =self.get_id(session, HKRace, "PublicRaceIndex", {"PublicRaceIndex": item["RacecourseCode"] + item[
# "RaceDate"] + item["RaceNumber"]}),
Raceid=self.get_id(session, HKRace, "PublicRaceIndex", {
"Url": item.get("Url", None),
"RacecourseCode": item["RacecourseCode"],
"RaceDate": item["RaceDate"],
"Name": item["Name"],
# "Inraceimage": item["images"],
# "Inraceimage": item["images"][0]['data'],
"RaceNumber": int(item["RaceNumber"]),
"Prizemoney": item.get("Prizemoney", None),
"Raceratingspan": item.get("Raceratingspan", None),
"Surface": item.get("Surface", None),
"IncidentReport": item.get("IncidentReport", None),
"RaceIndex": item.get("RaceIndex", None),
"Dayofweek": item.get("Dayofweek", None),
"NoSectionals": getnosectionals(item.get("Distance", 0)),
# "Winodds": item["Winodds"],
"PublicRaceIndex": item["RacecourseCode"] +
item["RaceDate"] + str(item["RaceNumber"]),
"Raceclassid": self.get_id(session, Raceclass, "Name", {"Name": item.get("Raceclass", None)}),
"Railtypeid": self.get_id(session, Railtype, "Name", {"Name": item.get("Railtype", None)}),
"Goingid": self.get_id(session, Going, "Name", {"Name": item.get("Going", None)}),
"Distanceid":
self.get_id(session, Distance, "MetricName", {"MetricName": int(item.get("Distance", 0) ),
"Miles": float(float(item.get("Distance", 0) )/1600.0),
"Furlongs": int(int(item.get("Distance", 0))/200)
}),
"HKDividendid":
self.get_id(session, HKDividend, "PublicRaceIndex", {
"RaceDate": item["RaceDate"], "RaceNumber": item["RaceNumber"],
"RacecourseCode": item.get("RacecourseCode", None),
"PublicRaceIndex": item["RacecourseCode"] + item["RaceDate"] + str(item["RaceNumber"]),
"WinDiv": item.get("WinDiv", None), "Place1Div":item.get("Place1Div"), "Place2Div": item.get("Place2Div", None), "Place3Div":item.get("Place3Div", None),
"QNDiv": item.get("QNDiv", None), "QP12Div": item.get("QP12Div"), "QP13Div": item.get("QP13Div", None), "QP23Div": item.get("QP23Div", None),
"TierceDiv": item.get("TierceDiv"), "TrioDiv": item.get("TrioDiv", None), "FirstfourDiv": item.get("FirstfourDiv", None), "QuartetDiv": item.get("QuartetDiv", None),
"ThisDouble11Div": item.get("ThisDouble11Div", None), "ThisDouble12Div": item.get("ThisDouble12Div",None),"Treble111Div": item.get("Treble111Div", None),
"Treble112Div": item.get("Treble112Div",None),
"ThisDoubleTrioDiv": item.get("ThisDoubleTrioDiv", None), "TripleTrio111Div": item.get("TripleTrio111Div", None),
"TripleTrio112Div": item.get("TripleTrio112Div", None), "SixUpDiv": item.get("SixUpDiv", None), "SixUpBonusDiv": item.get("SixUpBonusDiv", None)
})
}),
Horseid=self.get_id(session, Horse, "Code",
{"Code": item["HorseCode"], "Name": item["Horse"],
"Homecountry": "HKG"}),
# Raceclassid=self.get_id(session, Raceclass, "Name", {"Name": item["Raceclass"]}),
# Railtypeid=self.get_id(session, Railtype, "Name", {"Name": item["Railtype"]}),
# Goingid=self.get_id(session, Going, "Name", {"Name": item["Going"]}),
# Distanceid=self.get_id(session, Distance, "MetricName", {"MetricName": int(item["Distance"]),
# "Miles": float(float(item["Distance"])/1600.0),
# "Furlongs": int(int(item["Distance"])/200)
# }),
HorseNumber=item.get("HorseNumber", def_int),
Jockeyid=self.get_id(session, Jockey, "Name",
{"Name": item["Jockey"], "Homecountry": "HKG"}),
Trainerid=self.get_id(session, Trainer, "Name",
{"Name": item["Trainer"], "Homecountry": "HKG"}),
Jockey=item["Jockey"],
Trainer=item["Trainer"],
ActualWt=item["ActualWt"],
DeclarHorseWt=item["DeclarHorseWt"],
Draw=item.get("Draw", None),
LBW = item.get("LBW", None),
isScratched = item.get("isScratched", None),
# LBW= getLBW(item.get("LBW", None),item.get("Place", None), item.get("LBWFirst", None)),
RunningPosition=item.get("RunningPosition", None),
Sec1DBL=item.get("Sec1DBL", None),
Sec2DBL=item.get("Sec2DBL", def_DBL),
Sec3DBL=item.get("Sec3DBL", def_DBL),
Sec4DBL=item.get("Sec4DBL", def_DBL),
Sec5DBL=item.get("Sec5DBL", def_DBL),
Sec6DBL=item.get("Sec6DBL", def_DBL),
FinishTime=item.get("FinishTime", def_time),
Sec1Time=item.get("Sec1time", def_time),
Sec2Time=item.get("Sec2time", def_time),
Sec3Time=item.get("Sec3time", def_time),
Sec4Time=item.get("Sec4time", def_time),
Sec5Time=item.get("Sec5time", def_time),
Sec6Time=item.get("Sec6time", def_time),
WinOdds=item.get("Winodds", None),
HorseReport=item.get("HorseReport", None),
PlaceNum = item.get("PlaceNum", None),
Place = item.get("Place", None),
#computations: horseprize,
Horseprize = gethorseprize(item.get("PlaceNum" , None), item.get("Prizemoney", None)),
PublicRaceIndex = item["RacecourseCode"] + item["RaceDate"] + str(item["RaceNumber"]) + item["Horse"]
)
#need last updated
#do ranks and counts ru. OddsRank, Av Prizemoney Rank, ru.weightbelowtop
# ra. FieldSize, ra.dayofweek, ra.isnight, ru.isoace, ru.ismidfield, ru.isleader, isbackmarker, ismadeall,
#is favorite, isoddson, onetrickjockey NOT HK
#LBW winners = 2nd x -1
#(HKodds wasfavorite,
#do historical comparison for times table noFUPs, noFS, noMdns, noLSWS,
try:
session.add(trackwork)
session.commit()
except:
session.rollback()
raise
finally:
session.close()
return item
def get_id(self, session, model, unique, fields):
fval = fields[unique]
id = self.cache[model][fval]
if id is None:
# log.msg("[%s] %s cache missed for '%s'" % (self.__class__.__name__, model, fval), logLevel=log.DEBUG)
try:
id = session.query(model).filter(getattr(model, unique) == fval).one().id
except exc.NoResultFound:
item = model(**fields)
session.add(item)
session.flush()
session.refresh(item)
id = item.id
self.cache[model][fval] = id
# else:
# log.msg("[%s] %s cache hit for '%s'" % (self.__class__.__name__, model, fval), logLevel=log.DEBUG)
return id
# @dbdefer
class ByteStorePipeline(ImagesPipeline):
def media_downloaded(self, response, request, info):
referer = request.headers.get('Referer')
if response.status != 200:
log.msg(format='File (code: %(status)s): Error downloading file from %(request)s referred in <%(referer)s>',
level=log.WARNING, spider=info.spider,
status=response.status, request=request, referer=referer)
raise FileException('download-error')
if not response.body:
log.msg(format='File (empty-content): Empty file from %(request)s referred in <%(referer)s>: no-content',
level=log.WARNING, spider=info.spider,
request=request, referer=referer)
raise FileException('empty-content')
status = 'cached' if 'cached' in response.flags else 'downloaded'
log.msg(format='File (%(status)s): Downloaded file from %(request)s referred in <%(referer)s>',
level=log.DEBUG, spider=info.spider,
status=status, request=request, referer=referer)
self.inc_stats(info.spider, status)
try:
bytestr = response.body
m = hashlib.md5()
m.update(bytestr)
checksum = m.hexdigest()
except FileException as exc:
whyfmt = 'File (error): Error processing file from %(request)s referred in <%(referer)s>: %(errormsg)s'
log.msg(format=whyfmt, level=log.WARNING, spider=info.spider,
request=request, referer=referer, errormsg=str(exc))
raise
except Exception as exc:
whyfmt = 'File (unknown-error): Error processing file from %(request)s referred in <%(referer)s>'
log.err(None, whyfmt % {'request': request, 'referer': referer}, spider=info.spider)
raise FileException(str(exc))
return {'url': request.url, 'data': bytestr, 'checksum': checksum}