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# 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.report import Reporter
from coverage.results import Numbers
from coverage.misc import NotPython, CoverageException
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.
"""
self.find_file_reporters(morfs)
# Prepare the formatting strings
max_name = max([len(fr.relative_filename()) for fr in self.file_reporters] + [5])
fmt_name = "%%- %ds " % max_name
fmt_err = "%s %s: %s\n"
fmt_skip_covered = "\n%s file%s skipped due to complete coverage.\n"
header = (fmt_name % "Name") + " Stmts Miss"
fmt_coverage = fmt_name + "%6d %6d"
if self.branches:
header += " Branch BrPart"
fmt_coverage += " %6d %6d"
width100 = Numbers.pc_str_width()
header += "%*s" % (width100+4, "Cover")
fmt_coverage += "%%%ds%%%%" % (width100+3,)
if self.config.show_missing:
header += " Missing"
fmt_coverage += " %s"
rule = "-" * len(header) + "\n"
header += "\n"
fmt_coverage += "\n"
if not outfile:
outfile = sys.stdout
# Write the header
outfile.write(header)
outfile.write(rule)
total = Numbers()
skipped_count = 0
for fr in self.file_reporters:
try:
analysis = self.coverage._analyze(fr)
nums = analysis.numbers
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,)
outfile.write(fmt_coverage % args)
total += nums
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:
outfile.write(fmt_err % (fr.relative_filename(), typ.__name__, msg))
if total.n_files > 1:
outfile.write(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 += ("",)
outfile.write(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:
outfile.write(fmt_skip_covered % (skipped_count, 's' if skipped_count > 1 else ''))
return total.n_statements and total.pc_covered
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