DebugClients/Python/coverage/summary.py

branch
debugger speed
changeset 5178
878ce843ca9f
parent 5051
3586ebd9fac8
child 6219
d6c795b5ce33
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DebugClients/Python/coverage/summary.py	Mon Sep 19 22:47:52 2016 +0200
@@ -0,0 +1,121 @@
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
+
+"""Summary reporting"""
+
+import sys
+
+from coverage import env
+from coverage.report import Reporter
+from coverage.results import Numbers
+from coverage.misc import NotPython, CoverageException, output_encoding
+
+
+class SummaryReporter(Reporter):
+    """A reporter for writing the summary report."""
+
+    def __init__(self, coverage, config):
+        super(SummaryReporter, self).__init__(coverage, config)
+        self.branches = coverage.data.has_arcs()
+
+    def report(self, morfs, outfile=None):
+        """Writes a report summarizing coverage statistics per module.
+
+        `outfile` is a file object to write the summary to. It must be opened
+        for native strings (bytes on Python 2, Unicode on Python 3).
+
+        """
+        file_reporters = self.find_file_reporters(morfs)
+
+        # Prepare the formatting strings
+        max_name = max([len(fr.relative_filename()) for fr in file_reporters] + [5])
+        fmt_name = u"%%- %ds  " % max_name
+        fmt_err = u"%s   %s: %s"
+        fmt_skip_covered = u"\n%s file%s skipped due to complete coverage."
+
+        header = (fmt_name % "Name") + u" Stmts   Miss"
+        fmt_coverage = fmt_name + u"%6d %6d"
+        if self.branches:
+            header += u" Branch BrPart"
+            fmt_coverage += u" %6d %6d"
+        width100 = Numbers.pc_str_width()
+        header += u"%*s" % (width100+4, "Cover")
+        fmt_coverage += u"%%%ds%%%%" % (width100+3,)
+        if self.config.show_missing:
+            header += u"   Missing"
+            fmt_coverage += u"   %s"
+        rule = u"-" * len(header)
+
+        if outfile is None:
+            outfile = sys.stdout
+
+        def writeout(line):
+            """Write a line to the output, adding a newline."""
+            if env.PY2:
+                line = line.encode(output_encoding())
+            outfile.write(line.rstrip())
+            outfile.write("\n")
+
+        # Write the header
+        writeout(header)
+        writeout(rule)
+
+        total = Numbers()
+        skipped_count = 0
+
+        for fr in file_reporters:
+            try:
+                analysis = self.coverage._analyze(fr)
+                nums = analysis.numbers
+                total += nums
+
+                if self.config.skip_covered:
+                    # Don't report on 100% files.
+                    no_missing_lines = (nums.n_missing == 0)
+                    no_missing_branches = (nums.n_partial_branches == 0)
+                    if no_missing_lines and no_missing_branches:
+                        skipped_count += 1
+                        continue
+
+                args = (fr.relative_filename(), nums.n_statements, nums.n_missing)
+                if self.branches:
+                    args += (nums.n_branches, nums.n_partial_branches)
+                args += (nums.pc_covered_str,)
+                if self.config.show_missing:
+                    missing_fmtd = analysis.missing_formatted()
+                    if self.branches:
+                        branches_fmtd = analysis.arcs_missing_formatted()
+                        if branches_fmtd:
+                            if missing_fmtd:
+                                missing_fmtd += ", "
+                            missing_fmtd += branches_fmtd
+                    args += (missing_fmtd,)
+                writeout(fmt_coverage % args)
+            except Exception:
+                report_it = not self.config.ignore_errors
+                if report_it:
+                    typ, msg = sys.exc_info()[:2]
+                    # NotPython is only raised by PythonFileReporter, which has a
+                    # should_be_python() method.
+                    if typ is NotPython and not fr.should_be_python():
+                        report_it = False
+                if report_it:
+                    writeout(fmt_err % (fr.relative_filename(), typ.__name__, msg))
+
+        if total.n_files > 1:
+            writeout(rule)
+            args = ("TOTAL", total.n_statements, total.n_missing)
+            if self.branches:
+                args += (total.n_branches, total.n_partial_branches)
+            args += (total.pc_covered_str,)
+            if self.config.show_missing:
+                args += ("",)
+            writeout(fmt_coverage % args)
+
+        if not total.n_files and not skipped_count:
+            raise CoverageException("No data to report.")
+
+        if self.config.skip_covered and skipped_count:
+            writeout(fmt_skip_covered % (skipped_count, 's' if skipped_count > 1 else ''))
+
+        return total.n_statements and total.pc_covered

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