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# coding: utf-8
"""
Exposes common functions.
"""
# This function was designed to be portable across Python versions -- both
# with older versions and with Python 3 after applying 2to3.
def read(path):
"""
Return the contents of a text file as a byte string.
"""
# Opening in binary mode is necessary for compatibility across Python
# 2 and 3. In both Python 2 and 3, open() defaults to opening files in
# text mode. However, in Python 2, open() returns file objects whose
# read() method returns byte strings (strings of type `str` in Python 2),
# whereas in Python 3, the file object returns unicode strings (strings
# of type `str` in Python 3).
f = open(path, 'rb')
# We avoid use of the with keyword for Python 2.4 support.
try:
return f.read()
finally:
f.close()
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