tests versuch 2
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venv/lib/python3.11/site-packages/coverage/xmlreport.py
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venv/lib/python3.11/site-packages/coverage/xmlreport.py
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
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# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
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"""XML reporting for coverage.py"""
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from __future__ import annotations
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import os
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import os.path
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import sys
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import time
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import xml.dom.minidom
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from dataclasses import dataclass
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from typing import Any, Dict, IO, Iterable, Optional, TYPE_CHECKING
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from coverage import __version__, files
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from coverage.misc import isolate_module, human_sorted, human_sorted_items
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from coverage.plugin import FileReporter
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from coverage.report_core import get_analysis_to_report
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from coverage.results import Analysis
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from coverage.types import TMorf
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from coverage.version import __url__
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if TYPE_CHECKING:
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from coverage import Coverage
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os = isolate_module(os)
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DTD_URL = "https://raw.githubusercontent.com/cobertura/web/master/htdocs/xml/coverage-04.dtd"
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def rate(hit: int, num: int) -> str:
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"""Return the fraction of `hit`/`num`, as a string."""
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if num == 0:
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return "1"
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else:
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return "%.4g" % (hit / num)
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@dataclass
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class PackageData:
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"""Data we keep about each "package" (in Java terms)."""
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elements: Dict[str, xml.dom.minidom.Element]
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hits: int
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lines: int
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br_hits: int
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branches: int
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def appendChild(parent: Any, child: Any) -> None:
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"""Append a child to a parent, in a way mypy will shut up about."""
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parent.appendChild(child)
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class XmlReporter:
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"""A reporter for writing Cobertura-style XML coverage results."""
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report_type = "XML report"
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def __init__(self, coverage: Coverage) -> None:
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self.coverage = coverage
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self.config = self.coverage.config
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self.source_paths = set()
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if self.config.source:
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for src in self.config.source:
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if os.path.exists(src):
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if self.config.relative_files:
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src = src.rstrip(r"\/")
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else:
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src = files.canonical_filename(src)
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self.source_paths.add(src)
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self.packages: Dict[str, PackageData] = {}
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self.xml_out: xml.dom.minidom.Document
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def report(self, morfs: Optional[Iterable[TMorf]], outfile: Optional[IO[str]] = None) -> float:
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"""Generate a Cobertura-compatible XML report for `morfs`.
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`morfs` is a list of modules or file names.
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`outfile` is a file object to write the XML to.
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"""
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# Initial setup.
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outfile = outfile or sys.stdout
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has_arcs = self.coverage.get_data().has_arcs()
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# Create the DOM that will store the data.
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impl = xml.dom.minidom.getDOMImplementation()
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assert impl is not None
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self.xml_out = impl.createDocument(None, "coverage", None)
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# Write header stuff.
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xcoverage = self.xml_out.documentElement
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xcoverage.setAttribute("version", __version__)
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xcoverage.setAttribute("timestamp", str(int(time.time()*1000)))
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xcoverage.appendChild(self.xml_out.createComment(
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f" Generated by coverage.py: {__url__} "
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))
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xcoverage.appendChild(self.xml_out.createComment(f" Based on {DTD_URL} "))
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# Call xml_file for each file in the data.
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for fr, analysis in get_analysis_to_report(self.coverage, morfs):
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self.xml_file(fr, analysis, has_arcs)
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xsources = self.xml_out.createElement("sources")
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xcoverage.appendChild(xsources)
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# Populate the XML DOM with the source info.
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for path in human_sorted(self.source_paths):
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xsource = self.xml_out.createElement("source")
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appendChild(xsources, xsource)
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txt = self.xml_out.createTextNode(path)
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appendChild(xsource, txt)
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lnum_tot, lhits_tot = 0, 0
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bnum_tot, bhits_tot = 0, 0
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xpackages = self.xml_out.createElement("packages")
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xcoverage.appendChild(xpackages)
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# Populate the XML DOM with the package info.
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for pkg_name, pkg_data in human_sorted_items(self.packages.items()):
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xpackage = self.xml_out.createElement("package")
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appendChild(xpackages, xpackage)
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xclasses = self.xml_out.createElement("classes")
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appendChild(xpackage, xclasses)
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for _, class_elt in human_sorted_items(pkg_data.elements.items()):
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appendChild(xclasses, class_elt)
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xpackage.setAttribute("name", pkg_name.replace(os.sep, "."))
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xpackage.setAttribute("line-rate", rate(pkg_data.hits, pkg_data.lines))
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if has_arcs:
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branch_rate = rate(pkg_data.br_hits, pkg_data.branches)
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else:
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branch_rate = "0"
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xpackage.setAttribute("branch-rate", branch_rate)
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xpackage.setAttribute("complexity", "0")
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lhits_tot += pkg_data.hits
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lnum_tot += pkg_data.lines
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bhits_tot += pkg_data.br_hits
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bnum_tot += pkg_data.branches
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xcoverage.setAttribute("lines-valid", str(lnum_tot))
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xcoverage.setAttribute("lines-covered", str(lhits_tot))
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xcoverage.setAttribute("line-rate", rate(lhits_tot, lnum_tot))
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if has_arcs:
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xcoverage.setAttribute("branches-valid", str(bnum_tot))
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xcoverage.setAttribute("branches-covered", str(bhits_tot))
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xcoverage.setAttribute("branch-rate", rate(bhits_tot, bnum_tot))
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else:
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xcoverage.setAttribute("branches-covered", "0")
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xcoverage.setAttribute("branches-valid", "0")
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xcoverage.setAttribute("branch-rate", "0")
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xcoverage.setAttribute("complexity", "0")
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# Write the output file.
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outfile.write(serialize_xml(self.xml_out))
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# Return the total percentage.
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denom = lnum_tot + bnum_tot
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if denom == 0:
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pct = 0.0
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else:
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pct = 100.0 * (lhits_tot + bhits_tot) / denom
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return pct
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def xml_file(self, fr: FileReporter, analysis: Analysis, has_arcs: bool) -> None:
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"""Add to the XML report for a single file."""
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if self.config.skip_empty:
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if analysis.numbers.n_statements == 0:
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return
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# Create the "lines" and "package" XML elements, which
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# are populated later. Note that a package == a directory.
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filename = fr.filename.replace("\\", "/")
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for source_path in self.source_paths:
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if not self.config.relative_files:
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source_path = files.canonical_filename(source_path)
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if filename.startswith(source_path.replace("\\", "/") + "/"):
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rel_name = filename[len(source_path)+1:]
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break
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else:
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rel_name = fr.relative_filename().replace("\\", "/")
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self.source_paths.add(fr.filename[:-len(rel_name)].rstrip(r"\/"))
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dirname = os.path.dirname(rel_name) or "."
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dirname = "/".join(dirname.split("/")[:self.config.xml_package_depth])
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package_name = dirname.replace("/", ".")
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package = self.packages.setdefault(package_name, PackageData({}, 0, 0, 0, 0))
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xclass: xml.dom.minidom.Element = self.xml_out.createElement("class")
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appendChild(xclass, self.xml_out.createElement("methods"))
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xlines = self.xml_out.createElement("lines")
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appendChild(xclass, xlines)
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xclass.setAttribute("name", os.path.relpath(rel_name, dirname))
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xclass.setAttribute("filename", rel_name.replace("\\", "/"))
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xclass.setAttribute("complexity", "0")
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branch_stats = analysis.branch_stats()
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missing_branch_arcs = analysis.missing_branch_arcs()
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# For each statement, create an XML "line" element.
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for line in sorted(analysis.statements):
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xline = self.xml_out.createElement("line")
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xline.setAttribute("number", str(line))
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# Q: can we get info about the number of times a statement is
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# executed? If so, that should be recorded here.
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xline.setAttribute("hits", str(int(line not in analysis.missing)))
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if has_arcs:
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if line in branch_stats:
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total, taken = branch_stats[line]
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xline.setAttribute("branch", "true")
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xline.setAttribute(
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"condition-coverage",
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"%d%% (%d/%d)" % (100*taken//total, taken, total)
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)
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if line in missing_branch_arcs:
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annlines = ["exit" if b < 0 else str(b) for b in missing_branch_arcs[line]]
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xline.setAttribute("missing-branches", ",".join(annlines))
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appendChild(xlines, xline)
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class_lines = len(analysis.statements)
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class_hits = class_lines - len(analysis.missing)
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if has_arcs:
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class_branches = sum(t for t, k in branch_stats.values())
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missing_branches = sum(t - k for t, k in branch_stats.values())
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class_br_hits = class_branches - missing_branches
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else:
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class_branches = 0
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class_br_hits = 0
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# Finalize the statistics that are collected in the XML DOM.
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xclass.setAttribute("line-rate", rate(class_hits, class_lines))
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if has_arcs:
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branch_rate = rate(class_br_hits, class_branches)
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else:
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branch_rate = "0"
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xclass.setAttribute("branch-rate", branch_rate)
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package.elements[rel_name] = xclass
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package.hits += class_hits
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package.lines += class_lines
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package.br_hits += class_br_hits
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package.branches += class_branches
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def serialize_xml(dom: xml.dom.minidom.Document) -> str:
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"""Serialize a minidom node to XML."""
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return dom.toprettyxml()
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