064689d442
* [sonic-cfggen] optimize execution time a lot of template rendering causes switch to start longer because jinja2 needs to parse them. Introducing RedisBytecodeCache to store parsed buckets of internal template bytecode to speedup same template rendering during start * [sonic-cfggen] do lazy regexp compilation to speedup sonic-cfggen * [sonic-cfggen] address pep8 related comments Signed-off-by: Stepan Blyschak <stepanb@mellanox.com>
23 lines
604 B
Python
23 lines
604 B
Python
# monkey patch re.compile to improve import time of some packages
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import re
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_orig_re_compile = re.compile
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def __re_compile(*args, **kwargs):
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class __LazyReCompile(object):
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def __init__(self, *args, **kwargs):
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self.args = args
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self.kwargs = kwargs
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self.pattern_obj = None
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def __getattr__(self, name):
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if self.pattern_obj is None:
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self.pattern_obj = _orig_re_compile(*self.args, **self.kwargs)
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return getattr(self.pattern_obj, name)
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return __LazyReCompile(*args, **kwargs)
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re.compile = __re_compile
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