Upgrade to coverage 3.7.1 and have it auto-build itself on first use.

third_party/coverage-3.6/coverage/xmlreport.py

-"""XML reporting for coverage.py"""
-
-import os, sys, time
-import xml.dom.minidom
-
-from coverage import __url__, __version__
-from coverage.backward import sorted, rpartition    # pylint: disable=W0622
-from coverage.report import Reporter
-
-def rate(hit, num):
-    """Return the fraction of `hit`/`num`, as a string."""
-    return "%.4g" % (float(hit) / (num or 1.0))
-
-
-class XmlReporter(Reporter):
-    """A reporter for writing Cobertura-style XML coverage results."""
-
-    def __init__(self, coverage, config):
-        super(XmlReporter, self).__init__(coverage, config)
-
-        self.packages = None
-        self.xml_out = None
-        self.arcs = coverage.data.has_arcs()
-
-    def report(self, morfs, outfile=None):
-        """Generate a Cobertura-compatible XML report for `morfs`.
-
-        `morfs` is a list of modules or filenames.
-
-        `outfile` is a file object to write the XML to.
-
-        """
-        # Initial setup.
-        outfile = outfile or sys.stdout
-
-        # Create the DOM that will store the data.
-        impl = xml.dom.minidom.getDOMImplementation()
-        docType = impl.createDocumentType(
-            "coverage", None,
-            "http://cobertura.sourceforge.net/xml/coverage-03.dtd"
-            )
-        self.xml_out = impl.createDocument(None, "coverage", docType)
-
-        # Write header stuff.
-        xcoverage = self.xml_out.documentElement
-        xcoverage.setAttribute("version", __version__)
-        xcoverage.setAttribute("timestamp", str(int(time.time()*1000)))
-        xcoverage.appendChild(self.xml_out.createComment(
-            " Generated by coverage.py: %s " % __url__
-            ))
-        xpackages = self.xml_out.createElement("packages")
-        xcoverage.appendChild(xpackages)
-
-        # Call xml_file for each file in the data.
-        self.packages = {}
-        self.report_files(self.xml_file, morfs)
-
-        lnum_tot, lhits_tot = 0, 0
-        bnum_tot, bhits_tot = 0, 0
-
-        # Populate the XML DOM with the package info.
-        for pkg_name in sorted(self.packages.keys()):
-            pkg_data = self.packages[pkg_name]
-            class_elts, lhits, lnum, bhits, bnum = pkg_data
-            xpackage = self.xml_out.createElement("package")
-            xpackages.appendChild(xpackage)
-            xclasses = self.xml_out.createElement("classes")
-            xpackage.appendChild(xclasses)
-            for class_name in sorted(class_elts.keys()):
-                xclasses.appendChild(class_elts[class_name])
-            xpackage.setAttribute("name", pkg_name.replace(os.sep, '.'))
-            xpackage.setAttribute("line-rate", rate(lhits, lnum))
-            xpackage.setAttribute("branch-rate", rate(bhits, bnum))
-            xpackage.setAttribute("complexity", "0")
-
-            lnum_tot += lnum
-            lhits_tot += lhits
-            bnum_tot += bnum
-            bhits_tot += bhits
-
-        xcoverage.setAttribute("line-rate", rate(lhits_tot, lnum_tot))
-        xcoverage.setAttribute("branch-rate", rate(bhits_tot, bnum_tot))
-
-        # Use the DOM to write the output file.
-        outfile.write(self.xml_out.toprettyxml())
-
-        # Return the total percentage.
-        return 100.0 * (lhits_tot + bhits_tot) / (lnum_tot + bnum_tot)
-
-    def xml_file(self, cu, analysis):
-        """Add to the XML report for a single file."""
-
-        # Create the 'lines' and 'package' XML elements, which
-        # are populated later.  Note that a package == a directory.
-        package_name = rpartition(cu.name, ".")[0]
-        className = cu.name
-
-        package = self.packages.setdefault(package_name, [{}, 0, 0, 0, 0])
-
-        xclass = self.xml_out.createElement("class")
-
-        xclass.appendChild(self.xml_out.createElement("methods"))
-
-        xlines = self.xml_out.createElement("lines")
-        xclass.appendChild(xlines)
-
-        xclass.setAttribute("name", className)
-        filename = cu.file_locator.relative_filename(cu.filename)
-        xclass.setAttribute("filename", filename.replace("\\", "/"))
-        xclass.setAttribute("complexity", "0")
-
-        branch_stats = analysis.branch_stats()
-
-        # For each statement, create an XML 'line' element.
-        for line in analysis.statements:
-            xline = self.xml_out.createElement("line")
-            xline.setAttribute("number", str(line))
-
-            # Q: can we get info about the number of times a statement is
-            # executed?  If so, that should be recorded here.
-            xline.setAttribute("hits", str(int(line not in analysis.missing)))
-
-            if self.arcs:
-                if line in branch_stats:
-                    total, taken = branch_stats[line]
-                    xline.setAttribute("branch", "true")
-                    xline.setAttribute("condition-coverage",
-                        "%d%% (%d/%d)" % (100*taken/total, taken, total)
-                        )
-            xlines.appendChild(xline)
-
-        class_lines = len(analysis.statements)
-        class_hits = class_lines - len(analysis.missing)
-
-        if self.arcs:
-            class_branches = sum([t for t,k in branch_stats.values()])
-            missing_branches = sum([t-k for t,k in branch_stats.values()])
-            class_br_hits = class_branches - missing_branches
-        else:
-            class_branches = 0.0
-            class_br_hits = 0.0
-
-        # Finalize the statistics that are collected in the XML DOM.
-        xclass.setAttribute("line-rate", rate(class_hits, class_lines))
-        xclass.setAttribute("branch-rate", rate(class_br_hits, class_branches))
-        package[0][className] = xclass
-        package[1] += class_hits
-        package[2] += class_lines
-        package[3] += class_br_hits
-        package[4] += class_branches