def raw_harvest (year, game_num, away_acronym, home_acronym,
away_roster, home_roster):
"""
Extract play-by-play information from a html file on the
local machine (in the form of raw, unspeficied events).
Returns list of unspecified event objects
"""
tree = Operations.germinate_report_seed(year,game_num,'PL','02')
events = [] # empty list for holding unspecified events
for item in tree.xpath('//table/tr[@class="evenColor"]'):
event_raw = item.xpath('./td/text()')
num = int(event_raw[0])
per_num = int(event_raw[1])
strength = unicode(event_raw[2])
time = unicode(event_raw[3])
event_type = unicode(event_raw[5])
description = unicode(event_raw[6])
try: # Zone not always indicated in event description
# A bit redudant, done also before pruning events
description_raw = description.split()
zone_index = description_raw.index('Zone,') - 1
zone = description_raw[zone_index]
except ValueError:
try: # Certain events have zone at end of description
zone_index = description_raw.index('Zone') - 1
zone = description_raw[zone_index]
except ValueError:
zone = None
assert zone == 'Neu.' or zone == 'Off.' or zone == 'Def.' \
or zone == None, "ERROR: Event zone(%s) invalid"%(zone)
# Goals have an additional row in the description cell for assists
if event_type == 'GOAL' and event_raw[7].find('Assist') != -1:
description = unicode(" ".join(event_raw[6:8]))
players_on_ice = item.xpath('./td/table')
home_on_ice = []
away_on_ice = []
if len (players_on_ice) == 2: # Perhaps make this more robust?
away_on_ice = Operations.chop_on_ice_branch (
players_on_ice[0], away_roster)
home_on_ice = Operations.chop_on_ice_branch (
players_on_ice[1], home_roster)
event = Event(num, per_num, strength, time, event_type, zone,
description, away_acronym, home_acronym,
away_on_ice, home_on_ice)
events.append (event)
return events
