Mercurial Repositories > eric / file comparison
comparison: src/eric7/DebugClients/Python/coverage/annotate.py
src/eric7/DebugClients/Python/coverage/annotate.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8775
- 0802ae193343
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 | |
| 2 # For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt | |
| 3 | |
| 4 """Source file annotation for coverage.py.""" | |
| 5 | |
| 6 import os | |
| 7 import re | |
| 8 | |
| 9 from coverage.files import flat_rootname | |
| 10 from coverage.misc import ensure_dir, isolate_module | |
| 11 from coverage.report import get_analysis_to_report | |
| 12 | |
| 13 os = isolate_module(os) | |
| 14 | |
| 15 | |
| 16 class AnnotateReporter: | |
| 17 """Generate annotated source files showing line coverage. | |
| 18 | |
| 19 This reporter creates annotated copies of the measured source files. Each | |
| 20 .py file is copied as a .py,cover file, with a left-hand margin annotating | |
| 21 each line:: | |
| 22 | |
| 23 > def h(x): | |
| 24 - if 0: #pragma: no cover | |
| 25 - pass | |
| 26 > if x == 1: | |
| 27 ! a = 1 | |
| 28 > else: | |
| 29 > a = 2 | |
| 30 | |
| 31 > h(2) | |
| 32 | |
| 33 Executed lines use '>', lines not executed use '!', lines excluded from | |
| 34 consideration use '-'. | |
| 35 | |
| 36 """ | |
| 37 | |
| 38 def __init__(self, coverage): | |
| 39 self.coverage = coverage | |
| 40 self.config = self.coverage.config | |
| 41 self.directory = None | |
| 42 | |
| 43 blank_re = re.compile(r"\s*(#|$)") | |
| 44 else_re = re.compile(r"\s*else\s*:\s*(#|$)") | |
| 45 | |
| 46 def report(self, morfs, directory=None): | |
| 47 """Run the report. | |
| 48 | |
| 49 See `coverage.report()` for arguments. | |
| 50 | |
| 51 """ | |
| 52 self.directory = directory | |
| 53 self.coverage.get_data() | |
| 54 for fr, analysis in get_analysis_to_report(self.coverage, morfs): | |
| 55 self.annotate_file(fr, analysis) | |
| 56 | |
| 57 def annotate_file(self, fr, analysis): | |
| 58 """Annotate a single file. | |
| 59 | |
| 60 `fr` is the FileReporter for the file to annotate. | |
| 61 | |
| 62 """ | |
| 63 statements = sorted(analysis.statements) | |
| 64 missing = sorted(analysis.missing) | |
| 65 excluded = sorted(analysis.excluded) | |
| 66 | |
| 67 if self.directory: | |
| 68 ensure_dir(self.directory) | |
| 69 dest_file = os.path.join(self.directory, flat_rootname(fr.relative_filename())) | |
| 70 if dest_file.endswith("_py"): | |
| 71 dest_file = dest_file[:-3] + ".py" | |
| 72 dest_file += ",cover" | |
| 73 else: | |
| 74 dest_file = fr.filename + ",cover" | |
| 75 | |
| 76 with open(dest_file, 'w', encoding='utf-8') as dest: | |
| 77 i = j = 0 | |
| 78 covered = True | |
| 79 source = fr.source() | |
| 80 for lineno, line in enumerate(source.splitlines(True), start=1): | |
| 81 while i < len(statements) and statements[i] < lineno: | |
| 82 i += 1 | |
| 83 while j < len(missing) and missing[j] < lineno: | |
| 84 j += 1 | |
| 85 if i < len(statements) and statements[i] == lineno: | |
| 86 covered = j >= len(missing) or missing[j] > lineno | |
| 87 if self.blank_re.match(line): | |
| 88 dest.write(' ') | |
| 89 elif self.else_re.match(line): | |
| 90 # Special logic for lines containing only 'else:'. | |
| 91 if j >= len(missing): | |
| 92 dest.write('> ') | |
| 93 elif statements[i] == missing[j]: | |
| 94 dest.write('! ') | |
| 95 else: | |
| 96 dest.write('> ') | |
| 97 elif lineno in excluded: | |
| 98 dest.write('- ') | |
| 99 elif covered: | |
| 100 dest.write('> ') | |
| 101 else: | |
| 102 dest.write('! ') | |
| 103 | |
| 104 dest.write(line) |
