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called with different arguments.
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this is a rewrite of LRUCache from Myghty to use a periodic timestamp-based
paradigm so that synchronization is not really needed. the size management
is inexact.
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d � n d S| r| j d � Sd SWd | j | � Xd S( s Deduce the encoding of a Python source file (binary mode) from magic
comment.
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.. __: http://docs.python.org/ref/encodings.html
The ``fp`` argument should be a seekable file object in binary mode.
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� | _3 d S( sd Attempt to restore the required classes to the _ast module if it
appears to be missing them
t ASTNi i s def foo(): pass
class Bar(object): pass
if False: pass
baz = 'mako'
1 + 2 - 3 * 4 / 5
6 // 7 % 8 << 9 >> 10
11 & 12 ^ 13 | 14
15 and 16 or 17
-baz + (not +18) - ~17
baz and 'foo' or 'bar'
(mako is baz == baz) is not baz != mako
mako > baz < mako >= baz <= mako
mako in baz not in makos <unknown>t execR, i i i i i i i i i
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