ansible-later/env_27/lib/python2.7/site-packages/coverage/annotate.py

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2019-04-11 13:56:20 +00:00
# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
"""Source file annotation for coverage.py."""
import io
import os
import re
from coverage.files import flat_rootname
from coverage.misc import isolate_module
from coverage.report import Reporter
os = isolate_module(os)
class AnnotateReporter(Reporter):
"""Generate annotated source files showing line coverage.
This reporter creates annotated copies of the measured source files. Each
.py file is copied as a .py,cover file, with a left-hand margin annotating
each line::
> def h(x):
- if 0: #pragma: no cover
- pass
> if x == 1:
! a = 1
> else:
> a = 2
> h(2)
Executed lines use '>', lines not executed use '!', lines excluded from
consideration use '-'.
"""
def __init__(self, coverage, config):
super(AnnotateReporter, self).__init__(coverage, config)
self.directory = None
blank_re = re.compile(r"\s*(#|$)")
else_re = re.compile(r"\s*else\s*:\s*(#|$)")
def report(self, morfs, directory=None):
"""Run the report.
See `coverage.report()` for arguments.
"""
self.report_files(self.annotate_file, morfs, directory)
def annotate_file(self, fr, analysis):
"""Annotate a single file.
`fr` is the FileReporter for the file to annotate.
"""
statements = sorted(analysis.statements)
missing = sorted(analysis.missing)
excluded = sorted(analysis.excluded)
if self.directory:
dest_file = os.path.join(self.directory, flat_rootname(fr.relative_filename()))
if dest_file.endswith("_py"):
dest_file = dest_file[:-3] + ".py"
dest_file += ",cover"
else:
dest_file = fr.filename + ",cover"
with io.open(dest_file, 'w', encoding='utf8') as dest:
i = 0
j = 0
covered = True
source = fr.source()
for lineno, line in enumerate(source.splitlines(True), start=1):
while i < len(statements) and statements[i] < lineno:
i += 1
while j < len(missing) and missing[j] < lineno:
j += 1
if i < len(statements) and statements[i] == lineno:
covered = j >= len(missing) or missing[j] > lineno
if self.blank_re.match(line):
dest.write(u' ')
elif self.else_re.match(line):
# Special logic for lines containing only 'else:'.
if i >= len(statements) and j >= len(missing):
dest.write(u'! ')
elif i >= len(statements) or j >= len(missing):
dest.write(u'> ')
elif statements[i] == missing[j]:
dest.write(u'! ')
else:
dest.write(u'> ')
elif lineno in excluded:
dest.write(u'- ')
elif covered:
dest.write(u'> ')
else:
dest.write(u'! ')
dest.write(line)