# -*- coding: utf-8 -*-
-from BeautifulSoup import BeautifulSoup
+from gotovienna.BeautifulSoup import BeautifulSoup
from urllib2 import urlopen
-import settings
from datetime import time
-import argparse
import re
+import collections
+from errors import LineNotFoundError, StationNotFoundError
+
+from gotovienna import defaults
class ITipParser:
def __init__(self):
"""
if not self._stations.has_key(name):
st = {}
-
+
if not self.lines.has_key(name):
return None
-
+
bs = BeautifulSoup(urlopen(self.lines[name]))
tables = bs.findAll('table', {'class': 'text_10pix'})
for i in range(2):
- dir = tables[i].div.contents[-1].strip(' ')
-
+ dir = tables[i].div.contents[-1].strip()[6:-6]
+
sta = []
for tr in tables[i].findAll('tr', {'onmouseout': 'obj_unhighlight(this);'}):
if tr.a:
- sta.append((tr.a.text, settings.line_overview + tr.a['href']))
+ sta.append((tr.a.text, defaults.line_overview + tr.a['href']))
else:
sta.append((tr.text.strip(' '), None))
-
+
st[dir] = sta
self._stations[name] = st
""" Dictionary of Line names with url as value
"""
if not self._lines:
- bs = BeautifulSoup(urlopen(settings.line_overview))
+ bs = BeautifulSoup(urlopen(defaults.line_overview))
# get tables
lines = bs.findAll('td', {'class': 'linie'})
-
+
for line in lines:
if line.a:
- href = settings.line_overview + line.a['href']
+ href = defaults.line_overview + line.a['href']
if line.text:
self._lines[line.text] = href
elif line.img:
self._lines[line.img['alt']] = href
-
+
return self._lines
+ def get_url_from_direction(self, line, direction, station):
+ stations = self.get_stations(line)
+
+ for stationname, url in stations.get(direction, []):
+ if stationname == station:
+ return url
+
+ return None
+
def get_departures(self, url):
""" Get list of next departures
integer if time until next departure
time if time of next departure
"""
-
+
#TODO parse line name and direction for station site parsing
-
+
if not url:
# FIXME prevent from calling this method with None
return []
- bs = BeautifulSoup(urlopen(url))
+ # open url for 90 min timeslot / get departure for next 90 min
+ bs = BeautifulSoup(urlopen(url + "&departureSizeTimeSlot=90"))
result_lines = bs.findAll('table')[-1].findAll('tr')
-
+
dep = []
for tr in result_lines[1:]:
th = tr.findAll('th')
if len(th) < 2:
#TODO replace with logger
print "[DEBUG] Unable to find th in:\n%s" % str(tr)
- continue
-
+ elif len(th) == 2:
+ t = th[-1]
+ else:
+ t = th[-2]
# parse time
- time = th[-2].text.split(' ')
+ time = t.text.split(' ')
if len(time) < 2:
- print 'Invalid time: %s' % time
+ #print 'Invalid time: %s' % time
+ # TODO: Issue a warning OR convert "HH:MM" format to countdown
continue
-
+
time = time[1]
-
+
if time.find('rze...') >= 0:
dep.append(0)
elif time.isdigit():
# Unexpected content
#TODO replace with logger
print "[DEBUG] Invalid data:\n%s" % time
-
+
return dep
+
+UBAHN, TRAM, BUS, NIGHTLINE, OTHER = range(5)
+LINE_TYPE_NAMES = ['U-Bahn', 'Strassenbahn', 'Bus', 'Nightline', 'Andere']
+
+def get_line_sort_key(name):
+ """Return a sort key for a line name
+
+ >>> get_line_sort_key('U6')
+ ('U', 6)
+
+ >>> get_line_sort_key('D')
+ ('D', 0)
+
+ >>> get_line_sort_key('59A')
+ ('A', 59)
+ """
+ txt = ''.join(x for x in name if not x.isdigit())
+ num = ''.join(x for x in name if x.isdigit()) or '0'
+
+ return (txt, int(num))
+
+def get_line_type(name):
+ """Get the type of line for the given name
+
+ >>> get_line_type('U1')
+ UBAHN
+ >>> get_line_type('59A')
+ BUS
+ """
+ if name.isdigit():
+ return TRAM
+ elif name.endswith('A') or name.endswith('B') and name[1].isdigit():
+ return BUS
+ elif name.startswith('U'):
+ return UBAHN
+ elif name.startswith('N'):
+ return NIGHTLINE
+ elif name in ('D', 'O', 'VRT', 'WLB'):
+ return TRAM
+
+ return OTHER
+
+def categorize_lines(lines):
+ """Return a categorized version of a list of line names
+
+ >>> categorize_lines(['U4', 'U3', '59A'])
+ [('U-Bahn', ['U3', 'U4']), ('Bus', ['59A'])]
+ """
+ categorized_lines = collections.defaultdict(list)
+
+ for line in sorted(lines):
+ line_type = get_line_type(line)
+ categorized_lines[line_type].append(line)
+
+ for lines in categorized_lines.values():
+ lines.sort(key=get_line_sort_key)
+
+ return [(LINE_TYPE_NAMES[key], categorized_lines[key])
+ for key in sorted(categorized_lines)]
+
+
+class Line:
+ def __init__(self, name):
+ self._stations = None
+ self.parser = ITipParser()
+ if name.strip() in self.parser.lines():
+ self.name = name.strip()
+ else:
+ raise LineNotFoundError('There is no line "%s"' % name.strip())
+
+ @property
+ def stations(self):
+ if not self._stations:
+ self._stations = parser.get_stations(self.name)
+ return self._stations
+
+ def get_departures(self, stationname):
+ stationname = stationname.strip().lower()
+ stations = self.stations
+
+ found = false
+
+ for direction in stations.keys():
+ # filter stations starting with stationname
+ stations[direction] = filter(lambda station: station[0].lower().starts_with(stationname), stations)
+ found = found or bool(stations[direction])
+
+ if found:
+ # TODO return departures
+ raise NotImplementedError()
+ else:
+ raise StationNotFoundError('There is no stationname called "%s" at route of line "%s"' % (stationname, self.name))