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  • Committer: Jelmer Vernooij
  • Date: 2017-06-10 16:40:42 UTC
  • mfrom: (6653.6.7 rename-controldir)
  • mto: This revision was merged to the branch mainline in revision 6690.
  • Revision ID: jelmer@jelmer.uk-20170610164042-zrxqgy2htyduvke2
Merge rename-controldir branch.

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profile_imports.py
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import time
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if sys.version_info < (2, 5, 0):
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    import sre
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    re = sre
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else:
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    import re
 
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import re
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_parent_stack = []
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_real_import = __import__
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def timed_import(name, globals=None, locals=None, fromlist=None, level=None):
 
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def timed_import(name, globals=None, locals=None, fromlist=None, level=-1):
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    """Wrap around standard importer to log import time"""
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    # normally there are 4, but if this is called as __import__ eg by
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    # /usr/lib/python2.6/email/__init__.py then there may be only one
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        if scope_name is None:
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            scope_name = globals.keys()
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        else:
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            # Trim out paths before bzrlib
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            loc = scope_name.find('bzrlib')
 
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            # Trim out paths before breezy
 
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            loc = scope_name.find('breezy')
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            if loc != -1:
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                scope_name = scope_name[loc:]
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            # For stdlib, trim out early paths
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    tstart = _timer()
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    try:
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        # Do the import
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        mod = _real_import(name, globals, locals, fromlist)
 
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        return _real_import(name, globals, locals, fromlist, level=level)
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    finally:
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        tload = _timer()-tstart
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        stack_finish(this, tload)
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    return mod
 
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def _repr_regexp(pattern, max_len=30):
 
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    """Present regexp pattern for logging, truncating if over max_len."""
 
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    if len(pattern) > max_len:
 
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        return repr(pattern[:max_len-3]) + "..."
 
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    return repr(pattern)
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_real_compile = re._compile
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        frame = sys._getframe(5)
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        frame_name = frame.f_globals.get('__name__', '<unknown>')
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    frame_lineno = frame.f_lineno
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    this = stack_add(extra+repr(args[0]), frame_name, frame_lineno)
 
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    this = stack_add(extra+_repr_regexp(args[0]), frame_name, frame_lineno)
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    tstart = _timer()
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    try: