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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 import env
from coverage.report import Reporter
from coverage.results import Numbers
from coverage.misc import NotPython, CoverageException, output_encoding, StopEverything
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).
"""
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")
fr_analysis = []
skipped_count = 0
total = Numbers()
fmt_err = u"%s %s: %s"
for fr in self.find_file_reporters(morfs):
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
fr_analysis.append((fr, analysis))
except StopEverything:
# Don't report this on single files, it's a systemic problem.
raise
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 issubclass(typ, NotPython) and not fr.should_be_python():
report_it = False
if report_it:
writeout(fmt_err % (fr.relative_filename(), typ.__name__, msg))
# Prepare the formatting strings, header, and column sorting.
max_name = max([len(fr.relative_filename()) for (fr, analysis) in fr_analysis] + [5])
fmt_name = u"%%- %ds " % max_name
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)
column_order = dict(name=0, stmts=1, miss=2, cover=-1)
if self.branches:
column_order.update(dict(branch=3, brpart=4))
# Write the header
writeout(header)
writeout(rule)
# `lines` is a list of pairs, (line text, line values). The line text
# is a string that will be printed, and line values is a tuple of
# sortable values.
lines = []
for (fr, analysis) in fr_analysis:
try:
nums = analysis.numbers
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,)
text = fmt_coverage % args
# Add numeric percent coverage so that sorting makes sense.
args += (nums.pc_covered,)
lines.append((text, 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))
# Sort the lines and write them out.
if getattr(self.config, 'sort', None):
position = column_order.get(self.config.sort.lower())
if position is None:
raise CoverageException("Invalid sorting option: {0!r}".format(self.config.sort))
lines.sort(key=lambda l: (l[1][position], l[0]))
for line in lines:
writeout(line[0])
# Write a TOTAl line if we had more than one file.
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)
# Write other final lines.
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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