5 # Count statistics about SCons test and source files. This must be run
6 # against a fully-populated tree (for example, one that's been freshly
9 # A test file is anything under the src/ directory that begins with
10 # 'test_' or ends in 'Tests.py', or anything under the test/ directory
11 # that ends in '.py'. Note that runtest.py script does *not*, by default,
12 # consider the files that begin with 'test_' to be tests, because they're
13 # tests of SCons packaging and installation, not functional tests of
16 # A source file is anything under the src/engine/ or src/script/
17 # directories that ends in '.py' but does NOT begin with 'test_'
18 # or end in 'Tests.py'.
20 # We report the number of tests and sources, the total number of lines
21 # in each category, the number of non-blank lines, and the number of
22 # non-comment lines. The last figure (non-comment) lines is the most
23 # interesting one for most purposes.
25 from __future__ import generators ### KEEP FOR COMPATIBILITY FIXERS
27 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
31 fmt = "%-16s %5s %7s %9s %11s %11s"
33 class Collection(object):
34 def __init__(self, name, files=None, pred=None):
42 def __call__(self, fname):
43 return self.pred(fname)
45 return len(self.files)
46 def collect(self, directory):
47 for dirpath, dirnames, filenames in os.walk(directory):
48 try: dirnames.remove('.svn')
49 except ValueError: pass
50 self.files.extend([ os.path.join(dirpath, f)
51 for f in filenames if self.pred(f) ])
55 except AttributeError:
56 self._lines = lines = []
57 for file in self.files:
58 file_lines = open(file).readlines()
59 lines.extend([s.lstrip() for s in file_lines])
62 return [s for s in self.lines() if s != '']
63 def non_comment(self):
64 return [s for s in self.lines() if s == '' or s[0] != '#']
65 def non_blank_non_comment(self):
66 return [s for s in self.lines() if s != '' and s[0] != '#']
68 return (self._name + ':',
71 len(self.non_blank()),
72 len(self.non_comment()),
73 len(self.non_blank_non_comment()))
76 return x[-8:] == 'Tests.py'
78 return x[:5] == 'test_'
80 return x[-3:] == '.py'
82 return is_python(x) and not is_Tests_py(x) and not is_test_(x)
84 src_Tests_py_tests = Collection('src/ *Tests.py', pred=is_Tests_py)
85 src_test_tests = Collection('src/ test_*.py', pred=is_test_)
86 test_tests = Collection('test/ tests', pred=is_python)
87 sources = Collection('sources', pred=is_source)
89 src_Tests_py_tests.collect('src')
90 src_test_tests.collect('src')
91 test_tests.collect('test')
92 sources.collect('src/engine')
93 sources.collect('src/script')
95 src_tests = Collection('src/ tests', src_Tests_py_tests.files
96 + src_test_tests.files)
97 all_tests = Collection('all tests', src_tests.files + test_tests.files)
99 def ratio(over, under):
100 return "%.2f" % (float(len(over)) / float(len(under)))
102 print fmt % ('', '', '', '', '', 'non-blank')
103 print fmt % ('', 'files', 'lines', 'non-blank', 'non-comment', 'non-comment')
105 print fmt % src_Tests_py_tests.printables()
106 print fmt % src_test_tests.printables()
108 print fmt % src_tests.printables()
109 print fmt % test_tests.printables()
111 print fmt % all_tests.printables()
112 print fmt % sources.printables()
114 print fmt % ('ratio:',
115 ratio(all_tests, sources),
116 ratio(all_tests.lines(), sources.lines()),
117 ratio(all_tests.non_blank(), sources.non_blank()),
118 ratio(all_tests.non_comment(), sources.non_comment()),
119 ratio(all_tests.non_blank_non_comment(),
120 sources.non_blank_non_comment())