1 """Code coverage measurement for Python. 2 3 Ned Batchelder 4 http://nedbatchelder.com/code/coverage 5 6 """ 7 8 __version__ = "3.5.1" # see detailed history in CHANGES.txt 9 10 __url__ = "http://nedbatchelder.com/code/coverage" 11 if max(__version__).isalpha(): 12 # For pre-releases, use a version-specific URL. 13 __url__ += "/" + __version__ 14 15 from coverage.control import coverage, process_startup 16 from coverage.data import CoverageData 17 from coverage.cmdline import main, CoverageScript 18 from coverage.misc import CoverageException 19 20 21 # Module-level functions. The original API to this module was based on 22 # functions defined directly in the module, with a singleton of the coverage() 23 # class. That design hampered programmability, so the current api uses 24 # explicitly-created coverage objects. But for backward compatibility, here we 25 # define the top-level functions to create the singleton when they are first 26 # called. 27 28 # Singleton object for use with module-level functions. The singleton is 29 # created as needed when one of the module-level functions is called. 30 _the_coverage = None 31 32 def _singleton_method(name): 33 """Return a function to the `name` method on a singleton `coverage` object. 34 35 The singleton object is created the first time one of these functions is 36 called. 37 38 """ 39 def wrapper(*args, **kwargs): 40 """Singleton wrapper around a coverage method.""" 41 global _the_coverage 42 if not _the_coverage: 43 _the_coverage = coverage(auto_data=True) 44 return getattr(_the_coverage, name)(*args, **kwargs) 45 return wrapper 46 47 48 # Define the module-level functions. 49 use_cache = _singleton_method('use_cache') 50 start = _singleton_method('start') 51 stop = _singleton_method('stop') 52 erase = _singleton_method('erase') 53 exclude = _singleton_method('exclude') 54 analysis = _singleton_method('analysis') 55 analysis2 = _singleton_method('analysis2') 56 report = _singleton_method('report') 57 annotate = _singleton_method('annotate') 58 59 60 # COPYRIGHT AND LICENSE 61 # 62 # Copyright 2001 Gareth Rees. All rights reserved. 63 # Copyright 2004-2010 Ned Batchelder. All rights reserved. 64 # 65 # Redistribution and use in source and binary forms, with or without 66 # modification, are permitted provided that the following conditions are 67 # met: 68 # 69 # 1. Redistributions of source code must retain the above copyright 70 # notice, this list of conditions and the following disclaimer. 71 # 72 # 2. Redistributions in binary form must reproduce the above copyright 73 # notice, this list of conditions and the following disclaimer in the 74 # documentation and/or other materials provided with the 75 # distribution. 76 # 77 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 78 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 79 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 80 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 81 # HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 82 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 83 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 84 # OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 85 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 86 # TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 87 # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 88 # DAMAGE. 89