def get_taz_style_id(iface):
"""
Computes and returns the interface in the wrong way for maintaining
backwards compatibility.
"""
import utils
name = iface.__name__
try:
import hashlib
ash = hashlib.md5(name + ":").hexdigest()
except:
import md5
ash = md5.new(name + ":").hexdigest()
# encode it in base36 to get shorter ID
ash = utils.radix( int(ash, 16), 36 )
# ID have to be 25 char long
ash = '0' * (25 - len(ash)) + ash
assert (len(ash) == 25)
return ("%s:%s" % (name, ash))
def get_id(iface):
"""Returns the unique identifier of the given interface."""
# the algorithm is simple:
# build a string containing the class name and a sorted list of the
# properties and return the MD5 fingerprint of it
import hashlib
import utils
name = iface.__name__
items1 = Interface.get_permissions(iface)
items1.sort()
items2 = Interface.get_methods(iface)
items2.sort()
tmp = ["%s:%s" % (k, v) for k, v in items1 + items2]
tmp = "%s:%s" % (name, ",".join(tmp))
try:
import hashlib
ash = hashlib.md5(tmp).hexdigest()
except:
import md5
ash = md5.new(tmp).hexdigest()
# encode it in base36 to get shorter ID
ash = utils.radix( int(ash, 16), 36 )
# ID have to be 25 char long
ash = '0' * (25 - len(ash)) + ash
assert (len(ash) == 25)
# the "-2" suffix is for marking the ID as rev 2
iface_id = "%s:%s-2" % (name, ash)
return iface_id
