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"""Summary reporting"""
import sys
from coverage.report import Reporter
from coverage.results import Numbers
class SummaryReporter(Reporter):
"""A reporter for writing the summary report."""
def __init__(self, coverage, show_missing=True, ignore_errors=False):
super(SummaryReporter, self).__init__(coverage, ignore_errors)
self.show_missing = show_missing
self.branches = coverage.data.has_arcs()
def report(self, morfs, outfile=None, config=None):
"""Writes a report summarizing coverage statistics per module.
`outfile` is a file object to write the summary to. `config` is a
CoverageConfig instance.
"""
self.find_code_units(morfs, config)
# Prepare the formatting strings
max_name = max([len(cu.name) for cu in self.code_units] + [5])
fmt_name = "%%- %ds " % max_name
fmt_err = "%s %s: %s\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.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()
for cu in self.code_units:
try:
analysis = self.coverage._analyze(cu)
nums = analysis.numbers
args = (cu.name, nums.n_statements, nums.n_missing)
if self.branches:
args += (nums.n_branches, nums.n_missing_branches)
args += (nums.pc_covered_str,)
if self.show_missing:
args += (analysis.missing_formatted(),)
outfile.write(fmt_coverage % args)
total += nums
except KeyboardInterrupt: # pragma: no cover
raise
except:
if not self.ignore_errors:
typ, msg = sys.exc_info()[:2]
outfile.write(fmt_err % (cu.name, 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_missing_branches)
args += (total.pc_covered_str,)
if self.show_missing:
args += ("",)
outfile.write(fmt_coverage % args)
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