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gtfs_musliw.py
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gtfs_musliw.py
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# coding: utf-8
import codecs
import re
import os
import os.path
##CEREMA=group
##rep_source=folder
##rep_resultat=folder
##prefixe_reseau=optional string
##uic=boolean true
##split_formula=string [-8:]
def importGTFS(rep,sortie,prefixe,uic,formula):
arrets={}
stops=codecs.open(rep+"/stops.txt","r",encoding='utf_8_sig')
iparent=-1
for i,ligne in enumerate(stops):
try:
test=ligne.startswith(codecs.BOM_UTF8)
if test:
ligne=ligne[3:]
except:
pass
ligne=(ligne.replace("\n","")).replace("\r","")
elements= re.split(",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)",ligne)
#elements=ligne.strip().split(',')
for z,e in enumerate(elements):
elements[z]=e.strip('"')
if len(elements)>1:
if i>0:
if uic==True:
elements[iid]=eval("prefixe+elements[iid]"+formula)
else:
elements[iid]=prefixe+elements[iid].strip("\"")
elements[idx]=elements[idx].strip().strip("\"")
if iparent>=0 and elements[iparent] not in ['',None]:
elements[iparent]=prefixe+elements[iparent].strip("\"")
arrets[elements[iid]]=elements
else:
for i1,i2 in enumerate(elements):
elements[i1]=i2.strip("\"")
idx=elements.index('stop_lon')
idy=elements.index('stop_lat')
iid=elements.index('stop_id')
iname=elements.index('stop_name')
if "parent_station" in elements:
iparent=elements.index('parent_station')
if "stop_desc" in elements:
idesc=elements.index('stop_desc')
hstops=ligne
stops.close()
lignes={}
routes=codecs.open(rep+'/routes.txt','r',encoding='utf_8_sig')
test_agency='ZZ'
for i,ligne in enumerate(routes):
try:
test=ligne.startswith(codecs.BOM_UTF8)
if test:
ligne=ligne[3:]
except:
pass
elements=ligne.strip().split(',')
for z,e in enumerate(elements):
elements[z]=e.strip('"')
if len(elements)>1:
if i>0:
if test_agency<>'ZZ':
elements=elements+[prefixe_reseau]
l=[elements[iroute],elements[iagency]]
l.extend(elements[2:])
lignes[elements[iroute]]=l
else:
if ("agency_id") not in elements:
test_agency=prefixe_reseau
elements=elements+["agency_id"]
iroute=elements.index("route_id")
iagency=elements.index("agency_id")
hroute=[elements[iroute],elements[iagency]]
hroute.extend(elements[2:])
hroute=','.join(hroute)+"\n"
routes.close()
services={}
trips=codecs.open(rep+'/trips.txt','r',encoding='utf_8_sig')
for i,ligne in enumerate(trips):
try:
test=ligne.startswith(codecs.BOM_UTF8)
if test:
ligne=ligne[3:]
except:
pass
elements=ligne.strip().split(',')
for i1,i2 in enumerate(elements):
elements[i1]=i2.strip('"')
if len(elements)>1:
if i>0:
if elements[iroute] in lignes:
if len(elements)>6:
if elements[6] not in ['',None]:
elements[6]=prefixe+elements[6]
t=[elements[iroute],elements[iservice],elements[itrip]]
t.extend(elements[3:])
services[elements[itrip]]=t
else:
for z,e in enumerate(elements):
elements[z]=e.strip('"')
iroute=elements.index("route_id")
itrip=elements.index("trip_id")
iservice=elements.index("service_id")
htrip=[elements[iroute],elements[iservice],elements[itrip]]
htrip.extend(elements[3:])
htrip=(','.join(htrip))
htrip=htrip.encode('cp1252')+"\n"
trips.close()
horaires={}
stop_times=codecs.open(rep+'/stop_times.txt','r',encoding='utf_8_sig')
for i,ligne in enumerate(stop_times):
#ligne=ligne.decode('utf-8')
try:
test=ligne.startswith(codecs.BOM_UTF8)
if test:
ligne=ligne[3:]
except:
pass
elements=ligne.strip().split(',')
for z,e in enumerate(elements):
elements[z]=e.strip('"')
if len(elements)>1:
if i>0:
if elements[itrip] in services:
elements[iarr]=elements[iarr].strip('"').zfill(8)
elements[idep]=elements[idep].strip('"').zfill(8)
if uic==True:
elements[istop]=eval("elements[istop]"+formula)
o=[elements[itrip],elements[iarr],elements[idep],elements[istop],elements[iseq]]
else:
o=[elements[itrip],elements[iarr],elements[idep],elements[istop],elements[iseq]]
o.extend(elements[5:])
if elements[0] not in horaires:
horaires[elements[0]]={}
if len(elements)>5 and elements[itrip] in htrip:
horaires[elements[itrip]][int(elements[iseq])]=[int(elements[iseq]),elements[istop],elements[iarr],elements[idep],elements[5]]
else:
horaires[elements[itrip]][int(elements[iseq])]=[int(elements[iseq]),elements[istop],elements[iarr],elements[idep]]
else:
iarr=elements.index("arrival_time")
idep=elements.index("departure_time")
itrip=elements.index("trip_id")
istop=elements.index("stop_id")
iseq=elements.index("stop_sequence")
hstop_times=[elements[itrip],elements[iarr],elements[idep],elements[istop],elements[iseq]]
hstop_times.extend(elements[5:])
hstop_times=','.join(hstop_times)
stop_times.close()
formes={}
if (os.path.isfile(rep+'/shapes.txt')==True):
shapes=codecs.open(rep+'/shapes.txt','r',encoding='utf_8_sig')
shapes2=codecs.open(sortie+'/shapes.txt','w',encoding='utf_8_sig')
for i,ligne in enumerate(shapes):
ligne=ligne.decode('utf-8')
elements=ligne.strip().split(',')
if len(elements)>1:
if i>0:
elements[0]=prefixe+elements[0]
shapes2.write(",".join(elements)+"\n")
shapes.close()
shapes2.close()
calsem={}
if ("calendar.txt" in os.listdir(rep)):
cal=codecs.open(rep+'/calendar.txt','r',encoding='utf_8_sig')
for i,ligne in enumerate(cal):
try:
test=ligne.startswith(codecs.BOM_UTF8)
if test:
ligne=ligne[3:]
except:
pass
elements=ligne.strip().split(',')
for z,e in enumerate(elements):
elements[z]=e.strip('"')
if len(elements)>1:
if i>0:
elements[0]=prefixe+elements[0]
calsem[elements[0]]=elements
else:
hcalsem=ligne
cal.close()
caldates={}
if ("calendar_dates.txt" in os.listdir(rep)):
cald=codecs.open(rep+'/calendar_dates.txt','r',encoding='utf_8_sig')
for i,ligne in enumerate(cald):
try:
test=ligne.startswith(codecs.BOM_UTF8)
if test:
ligne=ligne[3:]
except:
pass
if ligne not in ['\n',None,'',u'\r\n']:
elements=ligne.strip().split(',')
for z,e in enumerate(elements):
elements[z]=e.strip('"')
elements[1]=elements[1].zfill(8)
if len(elements)>1:
if i>0:
elements[0]=prefixe+elements[0]
caldates[(elements[0],elements[1])]=elements
else:
hcaldate=ligne
cald.close()
chainages={}
for service in services:
if service in horaires:
horaires[service]=sorted(horaires[service].values(),key=lambda x:x[0])
chaine=zip(*(horaires[service]))[1]
if chaine not in chainages:
chainages[chaine]=[]
chainages[chaine].append(service)
if not os.path.isdir(sortie+"/"+prefixe):
os.mkdir(sortie+"/"+prefixe)
routes2=codecs.open(sortie+"/"+prefixe+'/routes.txt','w',encoding='utf_8_sig')
#if test_agency<>'ZZ':
#hroute=",".join(hroute.split(",")[:-1])
routes2.write(hroute)
#trips2=open(sortie+'/trips.txt','w')
trips2=codecs.open(sortie+"/"+prefixe+"/trips.txt","w",encoding='utf_8_sig')
trips2.write(htrip)
#stops2=open(sortie+'/stops.txt','w')
stops2=codecs.open(sortie+"/"+prefixe+"/stops.txt","w",encoding='utf_8_sig')
stops2.write(hstops+"\n")
stop_times2=codecs.open(sortie+"/"+prefixe+'/stop_times.txt','w',encoding='utf_8_sig')
stop_times2.write(hstop_times+"\n")
if ("calendar.txt" in os.listdir(rep)):
cal2=codecs.open(sortie+"/"+prefixe+'/calendar.txt','w',encoding='utf_8_sig')
cal2.write(hcalsem)
if ("calendar_dates.txt" in os.listdir(rep)):
cald2=codecs.open(sortie+"/"+prefixe+'/calendar_dates.txt','w',encoding='utf_8_sig')
cald2.write(hcaldate)
for i,chaine in enumerate(chainages):
s=chainages[chaine][0]
trip=services[s]
route=lignes[services[s][0]]
if test_agency<>'ZZ':
route=route[:-1]
routes2.write((prefixe+str(i)+","+",".join(route[1:])+"\n"))
for j,service in enumerate(chainages[chaine]):
trip=services[service]
trips2.write((prefixe+str(i)+","+prefixe+trip[1]+","+prefixe+trip[2]+','+",".join(trip[3:])+"\n"))
hh=horaires[service]
for h in hh:
if len(h)>4:
stop_times2.write((prefixe+trip[2]+","+h[2]+","+h[3]+","+prefixe+h[1]+","+str(h[0])+","+h[4]+"\n"))
else:
stop_times2.write((prefixe+trip[2]+","+h[2]+","+h[3]+","+prefixe+h[1]+","+str(h[0])+"\n"))
routes2.close()
trips2.close()
stop_times2.close()
for stop in arrets:
arrets[stop][iname]='"'+arrets[stop][iname]+'"'
if "stop_desc" in hstops:
arrets[stop][idesc]='"'+arrets[stop][idesc]+'"'
stops2.write((",".join(arrets[stop])+"\n"))
stops2.close()
for c in calsem:
cal2.write((",".join(calsem[c])+"\n"))
for c in caldates:
cald2.write((",".join(caldates[c])+"\n"))
if ("calendar.txt" in os.listdir(rep)):
cal2.close()
if ("calendar_dates.txt" in os.listdir(rep)):
cald2.close()
importGTFS(rep_source,rep_resultat,prefixe_reseau,uic,split_formula)