A Python wrapper to the lambert C library.
pip install pylambert
import pylambert
# Declares origin point and translated point
a = pylambert.Point(994300.623, 113409.981)
# Converts a in Lambert Zone 1 to WGS84 - Results in degrees
a.wgs84deg(pylambert.LambertI)
print "Latitude:{} Longitude:{}".format(a.y, a.x)Copyright (c) 2013 Yannick Heinrich - Released under the GPLv2 License.