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| 1 """Reporter foundation for Coverage.""" | |
| 2 | |
| 3 import fnmatch, os | |
| 4 from coverage.codeunit import code_unit_factory | |
| 5 from coverage.misc import CoverageException, NoSource, NotPython | |
| 6 | |
| 7 class Reporter(object): | |
| 8 """A base class for all reporters.""" | |
| 9 | |
| 10 def __init__(self, coverage, ignore_errors=False): | |
| 11 """Create a reporter. | |
| 12 | |
| 13 `coverage` is the coverage instance. `ignore_errors` controls how | |
| 14 skittish the reporter will be during file processing. | |
| 15 | |
| 16 """ | |
| 17 self.coverage = coverage | |
| 18 self.ignore_errors = ignore_errors | |
| 19 | |
| 20 # The code units to report on. Set by find_code_units. | |
| 21 self.code_units = [] | |
| 22 | |
| 23 # The directory into which to place the report, used by some derived | |
| 24 # classes. | |
| 25 self.directory = None | |
| 26 | |
| 27 def find_code_units(self, morfs, config): | |
| 28 """Find the code units we'll report on. | |
| 29 | |
| 30 `morfs` is a list of modules or filenames. `config` is a | |
| 31 CoverageConfig instance. | |
| 32 | |
| 33 """ | |
| 34 morfs = morfs or self.coverage.data.measured_files() | |
| 35 file_locator = self.coverage.file_locator | |
| 36 self.code_units = code_unit_factory(morfs, file_locator) | |
| 37 | |
| 38 if config.include: | |
| 39 patterns = [file_locator.abs_file(p) for p in config.include] | |
| 40 filtered = [] | |
| 41 for cu in self.code_units: | |
| 42 for pattern in patterns: | |
| 43 if fnmatch.fnmatch(cu.filename, pattern): | |
| 44 filtered.append(cu) | |
| 45 break | |
| 46 self.code_units = filtered | |
| 47 | |
| 48 if config.omit: | |
| 49 patterns = [file_locator.abs_file(p) for p in config.omit] | |
| 50 filtered = [] | |
| 51 for cu in self.code_units: | |
| 52 for pattern in patterns: | |
| 53 if fnmatch.fnmatch(cu.filename, pattern): | |
| 54 break | |
| 55 else: | |
| 56 filtered.append(cu) | |
| 57 self.code_units = filtered | |
| 58 | |
| 59 self.code_units.sort() | |
| 60 | |
| 61 def report_files(self, report_fn, morfs, config, directory=None): | |
| 62 """Run a reporting function on a number of morfs. | |
| 63 | |
| 64 `report_fn` is called for each relative morf in `morfs`. It is called | |
| 65 as:: | |
| 66 | |
| 67 report_fn(code_unit, analysis) | |
| 68 | |
| 69 where `code_unit` is the `CodeUnit` for the morf, and `analysis` is | |
| 70 the `Analysis` for the morf. | |
| 71 | |
| 72 `config` is a CoverageConfig instance. | |
| 73 | |
| 74 """ | |
| 75 self.find_code_units(morfs, config) | |
| 76 | |
| 77 if not self.code_units: | |
| 78 raise CoverageException("No data to report.") | |
| 79 | |
| 80 self.directory = directory | |
| 81 if self.directory and not os.path.exists(self.directory): | |
| 82 os.makedirs(self.directory) | |
| 83 | |
| 84 for cu in self.code_units: | |
| 85 try: | |
| 86 report_fn(cu, self.coverage._analyze(cu)) | |
| 87 except (NoSource, NotPython): | |
| 88 if not self.ignore_errors: | |
| 89 raise | |
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