bmptest.py

from bmp180 import BMP180
from machine import I2C, Pin                        # create an I2C bus object accordingly to the port you are using
from time import sleep
#bus = I2C(1, baudrate=100000)           # on pyboard
bus =  I2C(scl=Pin(5), sda=Pin(4), freq=100000)   # on esp8266
bmp180 = BMP180(bus)
bmp180.oversample_sett = 2
bmp180.baseline = 101325

while True:
	temp = bmp180.temperature
	p = bmp180.pressure
	altitude = bmp180.altitude
	print(temp, p, altitude)
	sleep(1)