I get my text:
response = urllib2.urlopen("http://mypage/mytext.php")
page_source = response.read()
page_source
"({code:'\xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82 \xd0\x92\xd1\x81\xd0\xb5\xd0\xbc!'});"
Then my must use:
driver.find_element_by_name("mytext").send_keys(page_source)
How convert page_source to russian characters ?