profile = FirefoxProfile("/Users/username/Library/Application Support/Firefox/Profiles/jtokyple.selenium")
self.driver = webdriver.Firefox(profile)

FF_PROFILE_PATH = os.path.join(os.environ['APPDATA'],
                               'Mozilla', 'Firefox', 'Profiles')

try:
    profiles = os.listdir(FF_PROFILE_PATH)
except WindowsError:
    print "Could not find profiles directory."
    sys.exit(1)
try:
    loc = (folder for folder in profiles
           if folder.endswith(profile)).next()
except StopIteration:
    print "Firefox profile not found."
    sys.exit(1)
return os.path.join(FF_PROFILE_PATH, loc)

# for fresh FF profile
#profile = webdriver.FirefoxProfile()
profile = webdriver.FirefoxProfile("./firefox_profiles/selenium")
profile = webdriver.FirefoxProfile(profile_path)
driver = webdriver.Firefox(firefox_profile=profile)
driver.get("http://whatismyip.com")

import os
import sys
from selenium import webdriver


def get_profile_path(profile):
    FF_PROFILE_PATH = os.path.join(os.environ['APPDATA'],'Mozilla', 'Firefox', 'Profiles')

    try:
        profiles = os.listdir(FF_PROFILE_PATH)
    except WindowsError:
        print("Could not find profiles directory.")
        sys.exit(1)
    try:
        for folder in profiles:
            print(folder)
            if folder.endswith(profile):
                loc = folder
    except StopIteration:
        print("Firefox profile not found.")
        sys.exit(1)
    return os.path.join(FF_PROFILE_PATH, loc)

profile = get_profile_path("default")
print(profile)
driver = webdriver.Firefox(firefox_profile=profile)