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Update download_using_xapi.py #82

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Update download_using_xapi.py #82

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89 changes: 52 additions & 37 deletions src/data/download_using_xapi.py
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Original file line number Diff line number Diff line change
@@ -5,75 +5,88 @@

def xapidownload():
try:
# get the input XAPI url
#
in_xapi_url = arcpy.GetParameterAsText(0)

# get the request extent
#
request_extent = arcpy.GetParameterAsText(1)
AddMsgAndPrint(request_extent)

# if no extent was set and the default is passed in -- meaning "#" then set an empty string
# 1. get the input XAPI url : in_xapi_url
# 1. Récupération de l'URL du serveur XAPI : in_xapi_url
in_xapi_url = str(arcpy.GetParameterAsText(0))
AddMsgAndPrint('1. Distant serveur URL : ' + in_xapi_url)

# 2. get the request extent : request_extent
# 2. Récupération de l'option de l'emprise : request_extent
request_extent = str(arcpy.GetParameterAsText(1))
AddMsgAndPrint('2. Extent option : ' + request_extent)

# 3. if no extent was set and the default is passed in -- meaning "#" then set an empty string
# 3. Récupération de l'emprise de la requête : request_extent
# Si l'emprise n'a pas été spécifiée ou que l'option "emprise par défaut" est choisie (c'est à dire "#"),
# alors la valeur est une chaine de caractères vide
if (request_extent == '#'):
request_extent = ''
AddMsgAndPrint('3.1. Empty extent : ' + request_extent)
elif (request_extent == 'DEFAULT'):
request_extent = ''
AddMsgAndPrint('3.2. Default extent : ' + request_extent)
else:
coordinates = request_extent.split(' ')
request_extent = str(locale.atof(coordinates[0])) + ',' + str(locale.atof(coordinates[1])) + ',' + str(locale.atof(coordinates[2])) + ',' + str(locale.atof(coordinates[3]))
AddMsgAndPrint('3.3.1 Extent: ' + request_extent)
request_extent = CheckForBrackets('bbox=' + request_extent)
AddMsgAndPrint('3.3.2 Extent request : ' + request_extent)
request_extent = urllib.quote_plus(request_extent)
AddMsgAndPrint('3.3.3 URL Lib : ' + request_extent)

# get the type setting
# 4. get the type setting : request_type
# this can one of the following parameters
# * - meaning all
# node
# way
# relation
#
request_type = arcpy.GetParameterAsText(2)
# 4. Récupération des paramètres types : request_type
# Les valeurs des paramètres peuvent être :
# * - meaning all (tous)
# node (noeuds)
# way (lignes)
# relation (relations)
request_type = str(arcpy.GetParameterAsText(2))
AddMsgAndPrint('4. Request type : ' + request_type)
#request_type = urllib.quote(request_type)

# get the predicate string
#
request_predicate = arcpy.GetParameterAsText(3)
# 5. get the predicate string : request_predicate
# 5. Récupération de la chaine de prédicat : request_predicate
request_predicate = str(arcpy.GetParameterAsText(3))
if (len(request_predicate) != 0):
request_predicate = CheckForBrackets(request_predicate)
request_predicate = urllib.quote(request_predicate)
AddMsgAndPrint('5. Predicate : ' + request_predicate)

# get the location for the downloaded file
#
# 6. get the location for the downloaded file : xapi_osm_file
# 6. Récupération de l'adresse du fichier téléchargé : xapi_osm_file
xapi_osm_file = arcpy.GetParameterAsText(4)

# assemble the request url
# 7. assemble the request url
# sample: http://jxapi.openstreetmap.org/xapi/api/0.6/*%5Bname=Sylt%5D
#
# 7. Assemble la requête url
request_url = in_xapi_url + request_type + request_predicate + request_extent
AddMsgAndPrint(request_url)
AddMsgAndPrint('7. Request URL : ' + request_url)

# issue the request against the XAPI endpoint
#
# 8. issue the request against the XAPI endpoint
# 8. Emission de la requête avec les critères XAPI
try:
xapi_response = urllib2.urlopen(request_url)
except urllib2.URLError, e:
if hasattr(e, 'reason'):
AddMsgAndPrint('Unable to reach the server.', 2)
AddMsgAndPrint('8.1. Unable to reach the server.', 2)
AddMsgAndPrint(e.reason, 2)
elif hasattr(e, 'code'):
AddMsgAndPrint('The server was unable to fulfill the request.', 2)
AddMsgAndPrint('8.2. The server was unable to fulfill the request.', 2)
AddMsgAndPrint(e.code, 2)

else:
# write the content into a file on disk
#
# Ecrit le contenu de la requête dans un fichier sur le disque
with open(xapi_osm_file,'w') as xapifile:
xapifile.write(xapi_response.read())

except Exception as err:
AddMsgAndPrint(err.message, 2)

AddMsgAndPrint('99. Error ' + err.message, 2)

# 9. Check for brackets
# 9. Vérification de la présence des crochets
def CheckForBrackets(inputString):
paddedString = inputString

@@ -87,17 +100,20 @@ def CheckForBrackets(inputString):


def AddMsgAndPrint(msg, severity=0):
# Adds a Message (in case this is run as a tool)
# 10. Adds a Message (in case this is run as a tool)
# and also prints the message to the screen (standard output)
#
# 10. Ajoute un message dans le cas où le script est lancé comme outil
# et affiche aussi le message à l'écran (sortie standard)
print msg

# Split the message on \n first, so that if it's multiple lines,
# 11. Split the message on \n first, so that if it's multiple lines,
# a GPMessage will be added for each line
# 11. Coupe le message sur le premier \n pour que, en cas de message multi-lignes,
# un message GP soit ajouté à chaque ligne
try:
for string in msg.split('\n'):
# Add appropriate geoprocessing message
#
# Ajoute le message de géoprocess approprié
if severity == 0:
arcpy.AddMessage(string)
elif severity == 1:
@@ -109,4 +125,3 @@ def AddMsgAndPrint(msg, severity=0):

if __name__ == '__main__':
xapidownload()