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1 """Summary reporting""" | |
2 | |
3 import sys | |
4 | |
5 from coverage.report import Reporter | |
6 from coverage.results import Numbers | |
7 | |
8 | |
9 class SummaryReporter(Reporter): | |
10 """A reporter for writing the summary report.""" | |
11 | |
12 def __init__(self, coverage, show_missing=True, ignore_errors=False): | |
13 super(SummaryReporter, self).__init__(coverage, ignore_errors) | |
14 self.show_missing = show_missing | |
15 self.branches = coverage.data.has_arcs() | |
16 | |
17 def report(self, morfs, outfile=None, config=None): | |
18 """Writes a report summarizing coverage statistics per module. | |
19 | |
20 `outfile` is a file object to write the summary to. `config` is a | |
21 CoverageConfig instance. | |
22 | |
23 """ | |
24 self.find_code_units(morfs, config) | |
25 | |
26 # Prepare the formatting strings | |
27 max_name = max([len(cu.name) for cu in self.code_units] + [5]) | |
28 fmt_name = "%%- %ds " % max_name | |
29 fmt_err = "%s %s: %s\n" | |
30 header = (fmt_name % "Name") + " Stmts Miss" | |
31 fmt_coverage = fmt_name + "%6d %6d" | |
32 if self.branches: | |
33 header += " Branch BrPart" | |
34 fmt_coverage += " %6d %6d" | |
35 width100 = Numbers.pc_str_width() | |
36 header += "%*s" % (width100+4, "Cover") | |
37 fmt_coverage += "%%%ds%%%%" % (width100+3,) | |
38 if self.show_missing: | |
39 header += " Missing" | |
40 fmt_coverage += " %s" | |
41 rule = "-" * len(header) + "\n" | |
42 header += "\n" | |
43 fmt_coverage += "\n" | |
44 | |
45 if not outfile: | |
46 outfile = sys.stdout | |
47 | |
48 # Write the header | |
49 outfile.write(header) | |
50 outfile.write(rule) | |
51 | |
52 total = Numbers() | |
53 | |
54 for cu in self.code_units: | |
55 try: | |
56 analysis = self.coverage._analyze(cu) | |
57 nums = analysis.numbers | |
58 args = (cu.name, nums.n_statements, nums.n_missing) | |
59 if self.branches: | |
60 args += (nums.n_branches, nums.n_missing_branches) | |
61 args += (nums.pc_covered_str,) | |
62 if self.show_missing: | |
63 args += (analysis.missing_formatted(),) | |
64 outfile.write(fmt_coverage % args) | |
65 total += nums | |
66 except KeyboardInterrupt: # pragma: no cover | |
67 raise | |
68 except: | |
69 if not self.ignore_errors: | |
70 typ, msg = sys.exc_info()[:2] | |
71 outfile.write(fmt_err % (cu.name, typ.__name__, msg)) | |
72 | |
73 if total.n_files > 1: | |
74 outfile.write(rule) | |
75 args = ("TOTAL", total.n_statements, total.n_missing) | |
76 if self.branches: | |
77 args += (total.n_branches, total.n_missing_branches) | |
78 args += (total.pc_covered_str,) | |
79 if self.show_missing: | |
80 args += ("",) | |
81 outfile.write(fmt_coverage % args) | |
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