How to use begin_recursive method in autotest

Best Python code snippet using autotest_python Github


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...415 def exclude(self, re):416 if self.exclude_re:417 self.exclude_re += "|"418 self.exclude_re += "(" + re + ")"419 def begin_recursive(self):420 self.cstack.append(self.c)421 self.xstack.append(self.exclude_re)422 423 def end_recursive(self):424 self.c = self.cstack.pop()425 self.exclude_re = self.xstack.pop()426 # save(). Save coverage data to the coverage cache.427 def save(self):428 if self.usecache and self.cache:429 self.canonicalize_filenames()430 cache = open(self.cache, 'wb')431 import marshal432 marshal.dump(self.cexecuted, cache)433 cache.close()434 # restore(). Restore coverage data from the coverage cache (if it exists).435 def restore(self):436 self.c = {}437 self.cexecuted = {}438 assert self.usecache439 if os.path.exists(self.cache):440 self.cexecuted = self.restore_file(self.cache)441 def restore_file(self, file_name):442 try:443 cache = open(file_name, 'rb')444 import marshal445 cexecuted = marshal.load(cache)446 cache.close()447 if isinstance(cexecuted, types.DictType):448 return cexecuted449 else:450 return {}451 except:452 return {}453 # collect(). Collect data in multiple files produced by parallel mode454 def collect(self):455 cache_dir, local = os.path.split(self.cache)456 for f in os.listdir(cache_dir or '.'):457 if not f.startswith(local):458 continue459 full_path = os.path.join(cache_dir, f)460 cexecuted = self.restore_file(full_path)461 self.merge_data(cexecuted)462 def merge_data(self, new_data):463 for file_name, file_data in new_data.items():464 if self.cexecuted.has_key(file_name):465 self.merge_file_data(self.cexecuted[file_name], file_data)466 else:467 self.cexecuted[file_name] = file_data468 def merge_file_data(self, cache_data, new_data):469 for line_number in new_data.keys():470 if not cache_data.has_key(line_number):471 cache_data[line_number] = new_data[line_number]472 # canonical_filename(filename). Return a canonical filename for the473 # file (that is, an absolute path with no redundant components and474 # normalized case). See [GDR 2001-12-04b, 3.3].475 def canonical_filename(self, filename):476 if not self.canonical_filename_cache.has_key(filename):477 f = filename478 if os.path.isabs(f) and not os.path.exists(f):479 f = os.path.basename(f)480 if not os.path.isabs(f):481 for path in [os.curdir] + sys.path:482 g = os.path.join(path, f)483 if os.path.exists(g):484 f = g485 break486 cf = os.path.normcase(os.path.abspath(f))487 self.canonical_filename_cache[filename] = cf488 return self.canonical_filename_cache[filename]489 # canonicalize_filenames(). Copy results from "c" to "cexecuted", 490 # canonicalizing filenames on the way. Clear the "c" map.491 def canonicalize_filenames(self):492 for filename, lineno in self.c.keys():493 if filename == '<string>':494 # Can't do anything useful with exec'd strings, so skip them.495 continue496 f = self.canonical_filename(filename)497 if not self.cexecuted.has_key(f):498 self.cexecuted[f] = {}499 self.cexecuted[f][lineno] = 1500 self.c = {}501 # morf_filename(morf). Return the filename for a module or file.502 def morf_filename(self, morf):503 if isinstance(morf, types.ModuleType):504 if not hasattr(morf, '__file__'):505 raise CoverageException, "Module has no __file__ attribute."506 f = morf.__file__507 else:508 f = morf509 return self.canonical_filename(f)510 # analyze_morf(morf). Analyze the module or filename passed as511 # the argument. If the source code can't be found, raise an error.512 # Otherwise, return a tuple of (1) the canonical filename of the513 # source code for the module, (2) a list of lines of statements514 # in the source code, (3) a list of lines of excluded statements,515 # and (4), a map of line numbers to multi-line line number ranges, for516 # statements that cross lines.517 518 def analyze_morf(self, morf):519 if self.analysis_cache.has_key(morf):520 return self.analysis_cache[morf]521 filename = self.morf_filename(morf)522 ext = os.path.splitext(filename)[1]523 if ext == '.pyc':524 if not os.path.exists(filename[0:-1]):525 raise CoverageException, ("No source for compiled code '%s'."526 % filename)527 filename = filename[0:-1]528 elif ext != '.py':529 raise CoverageException, "File '%s' not Python source." % filename530 source = open(filename, 'r')531 lines, excluded_lines, line_map = self.find_executable_statements(532, exclude=self.exclude_re533 )534 source.close()535 result = filename, lines, excluded_lines, line_map536 self.analysis_cache[morf] = result537 return result538 def first_line_of_tree(self, tree):539 while True:540 if len(tree) == 3 and type(tree[2]) == type(1):541 return tree[2]542 tree = tree[1]543 544 def last_line_of_tree(self, tree):545 while True:546 if len(tree) == 3 and type(tree[2]) == type(1):547 return tree[2]548 tree = tree[-1]549 550 def find_docstring_pass_pair(self, tree, spots):551 for i in range(1, len(tree)):552 if self.is_string_constant(tree[i]) and self.is_pass_stmt(tree[i+1]):553 first_line = self.first_line_of_tree(tree[i])554 last_line = self.last_line_of_tree(tree[i+1])555 self.record_multiline(spots, first_line, last_line)556 557 def is_string_constant(self, tree):558 try:559 return tree[0] == symbol.stmt and tree[1][1][1][0] == symbol.expr_stmt560 except:561 return False562 563 def is_pass_stmt(self, tree):564 try:565 return tree[0] == symbol.stmt and tree[1][1][1][0] == symbol.pass_stmt566 except:567 return False568 def record_multiline(self, spots, i, j):569 for l in range(i, j+1):570 spots[l] = (i, j)571 572 def get_suite_spots(self, tree, spots):573 """ Analyze a parse tree to find suite introducers which span a number574 of lines.575 """576 for i in range(1, len(tree)):577 if type(tree[i]) == type(()):578 if tree[i][0] == symbol.suite:579 # Found a suite, look back for the colon and keyword.580 lineno_colon = lineno_word = None581 for j in range(i-1, 0, -1):582 if tree[j][0] == token.COLON:583 # Colons are never executed themselves: we want the584 # line number of the last token before the colon.585 lineno_colon = self.last_line_of_tree(tree[j-1])586 elif tree[j][0] == token.NAME:587 if tree[j][1] == 'elif':588 # Find the line number of the first non-terminal589 # after the keyword.590 t = tree[j+1]591 while t and token.ISNONTERMINAL(t[0]):592 t = t[1]593 if t:594 lineno_word = t[2]595 else:596 lineno_word = tree[j][2]597 break598 elif tree[j][0] == symbol.except_clause:599 # "except" clauses look like:600 # ('except_clause', ('NAME', 'except', lineno), ...)601 if tree[j][1][0] == token.NAME:602 lineno_word = tree[j][1][2]603 break604 if lineno_colon and lineno_word:605 # Found colon and keyword, mark all the lines606 # between the two with the two line numbers.607 self.record_multiline(spots, lineno_word, lineno_colon)608 # "pass" statements are tricky: different versions of Python609 # treat them differently, especially in the common case of a610 # function with a doc string and a single pass statement.611 self.find_docstring_pass_pair(tree[i], spots)612 613 elif tree[i][0] == symbol.simple_stmt:614 first_line = self.first_line_of_tree(tree[i])615 last_line = self.last_line_of_tree(tree[i])616 if first_line != last_line:617 self.record_multiline(spots, first_line, last_line)618 self.get_suite_spots(tree[i], spots)619 def find_executable_statements(self, text, exclude=None):620 # Find lines which match an exclusion pattern.621 excluded = {}622 suite_spots = {}623 if exclude:624 reExclude = re.compile(exclude)625 lines = text.split('\n')626 for i in range(len(lines)):627 if[i]):628 excluded[i+1] = 1629 # Parse the code and analyze the parse tree to find out which statements630 # are multiline, and where suites begin and end.631 import parser632 tree = parser.suite(text+'\n\n').totuple(1)633 self.get_suite_spots(tree, suite_spots)634 #print "Suite spots:", suite_spots635 636 # Use the compiler module to parse the text and find the executable637 # statements. We add newlines to be impervious to final partial lines.638 statements = {}639 ast = compiler.parse(text+'\n\n')640 visitor = StatementFindingAstVisitor(statements, excluded, suite_spots)641 compiler.walk(ast, visitor, walker=visitor)642 lines = statements.keys()643 lines.sort()644 excluded_lines = excluded.keys()645 excluded_lines.sort()646 return lines, excluded_lines, suite_spots647 # format_lines(statements, lines). Format a list of line numbers648 # for printing by coalescing groups of lines as long as the lines649 # represent consecutive statements. This will coalesce even if650 # there are gaps between statements, so if statements =651 # [1,2,3,4,5,10,11,12,13,14] and lines = [1,2,5,10,11,13,14] then652 # format_lines will return "1-2, 5-11, 13-14".653 def format_lines(self, statements, lines):654 pairs = []655 i = 0656 j = 0657 start = None658 pairs = []659 while i < len(statements) and j < len(lines):660 if statements[i] == lines[j]:661 if start == None:662 start = lines[j]663 end = lines[j]664 j = j + 1665 elif start:666 pairs.append((start, end))667 start = None668 i = i + 1669 if start:670 pairs.append((start, end))671 def stringify(pair):672 start, end = pair673 if start == end:674 return "%d" % start675 else:676 return "%d-%d" % (start, end)677 ret = string.join(map(stringify, pairs), ", ")678 return ret679 # Backward compatibility with version 1.680 def analysis(self, morf):681 f, s, _, m, mf = self.analysis2(morf)682 return f, s, m, mf683 def analysis2(self, morf):684 filename, statements, excluded, line_map = self.analyze_morf(morf)685 self.canonicalize_filenames()686 if not self.cexecuted.has_key(filename):687 self.cexecuted[filename] = {}688 missing = []689 for line in statements:690 lines = line_map.get(line, [line, line])691 for l in range(lines[0], lines[1]+1):692 if self.cexecuted[filename].has_key(l):693 break694 else:695 missing.append(line)696 return (filename, statements, excluded, missing,697 self.format_lines(statements, missing))698 def relative_filename(self, filename):699 """ Convert filename to relative filename from self.relative_dir.700 """701 return filename.replace(self.relative_dir, "")702 def morf_name(self, morf):703 """ Return the name of morf as used in report.704 """705 if isinstance(morf, types.ModuleType):706 return morf.__name__707 else:708 return self.relative_filename(os.path.splitext(morf)[0])709 def filter_by_prefix(self, morfs, omit_prefixes):710 """ Return list of morfs where the morf name does not begin711 with any one of the omit_prefixes.712 """713 filtered_morfs = []714 for morf in morfs:715 for prefix in omit_prefixes:716 if self.morf_name(morf).startswith(prefix):717 break718 else:719 filtered_morfs.append(morf)720 return filtered_morfs721 def morf_name_compare(self, x, y):722 return cmp(self.morf_name(x), self.morf_name(y))723 def report(self, morfs, show_missing=1, ignore_errors=0, file=None, omit_prefixes=[]):724 if not isinstance(morfs, types.ListType):725 morfs = [morfs]726 # On windows, the shell doesn't expand wildcards. Do it here.727 globbed = []728 for morf in morfs:729 if isinstance(morf, strclass):730 globbed.extend(glob.glob(morf))731 else:732 globbed.append(morf)733 morfs = globbed734 735 morfs = self.filter_by_prefix(morfs, omit_prefixes)736 morfs.sort(self.morf_name_compare)737 max_name = max([5,] + map(len, map(self.morf_name, morfs)))738 fmt_name = "%%- %ds " % max_name739 fmt_err = fmt_name + "%s: %s"740 header = fmt_name % "Name" + " Stmts Exec Cover"741 fmt_coverage = fmt_name + "% 6d % 6d % 5d%%"742 if show_missing:743 header = header + " Missing"744 fmt_coverage = fmt_coverage + " %s"745 if not file:746 file = sys.stdout747 print >>file, header748 print >>file, "-" * len(header)749 total_statements = 0750 total_executed = 0751 for morf in morfs:752 name = self.morf_name(morf)753 try:754 _, statements, _, missing, readable = self.analysis2(morf)755 n = len(statements)756 m = n - len(missing)757 if n > 0:758 pc = 100.0 * m / n759 else:760 pc = 100.0761 args = (name, n, m, pc)762 if show_missing:763 args = args + (readable,)764 print >>file, fmt_coverage % args765 total_statements = total_statements + n766 total_executed = total_executed + m767 except KeyboardInterrupt: #pragma: no cover768 raise769 except:770 if not ignore_errors:771 typ, msg = sys.exc_info()[0:2]772 print >>file, fmt_err % (name, typ, msg)773 if len(morfs) > 1:774 print >>file, "-" * len(header)775 if total_statements > 0:776 pc = 100.0 * total_executed / total_statements777 else:778 pc = 100.0779 args = ("TOTAL", total_statements, total_executed, pc)780 if show_missing:781 args = args + ("",)782 print >>file, fmt_coverage % args783 # annotate(morfs, ignore_errors).784 blank_re = re.compile(r"\s*(#|$)")785 else_re = re.compile(r"\s*else\s*:\s*(#|$)")786 def annotate(self, morfs, directory=None, ignore_errors=0, omit_prefixes=[]):787 morfs = self.filter_by_prefix(morfs, omit_prefixes)788 for morf in morfs:789 try:790 filename, statements, excluded, missing, _ = self.analysis2(morf)791 self.annotate_file(filename, statements, excluded, missing, directory)792 except KeyboardInterrupt:793 raise794 except:795 if not ignore_errors:796 raise797 798 def annotate_file(self, filename, statements, excluded, missing, directory=None):799 source = open(filename, 'r')800 if directory:801 dest_file = os.path.join(directory,802 os.path.basename(filename)803 + ',cover')804 else:805 dest_file = filename + ',cover'806 dest = open(dest_file, 'w')807 lineno = 0808 i = 0809 j = 0810 covered = 1811 while 1:812 line = source.readline()813 if line == '':814 break815 lineno = lineno + 1816 while i < len(statements) and statements[i] < lineno:817 i = i + 1818 while j < len(missing) and missing[j] < lineno:819 j = j + 1820 if i < len(statements) and statements[i] == lineno:821 covered = j >= len(missing) or missing[j] > lineno822 if self.blank_re.match(line):823 dest.write(' ')824 elif self.else_re.match(line):825 # Special logic for lines containing only 'else:'. 826 # See [GDR 2001-12-04b, 3.2].827 if i >= len(statements) and j >= len(missing):828 dest.write('! ')829 elif i >= len(statements) or j >= len(missing):830 dest.write('> ')831 elif statements[i] == missing[j]:832 dest.write('! ')833 else:834 dest.write('> ')835 elif lineno in excluded:836 dest.write('- ')837 elif covered:838 dest.write('> ')839 else:840 dest.write('! ')841 dest.write(line)842 source.close()843 dest.close()844# Singleton object.845the_coverage = coverage()846# Module functions call methods in the singleton object.847def use_cache(*args, **kw): 848 return the_coverage.use_cache(*args, **kw)849def start(*args, **kw): 850 return the_coverage.start(*args, **kw)851def stop(*args, **kw): 852 return the_coverage.stop(*args, **kw)853def erase(*args, **kw): 854 return the_coverage.erase(*args, **kw)855def begin_recursive(*args, **kw): 856 return the_coverage.begin_recursive(*args, **kw)857def end_recursive(*args, **kw): 858 return the_coverage.end_recursive(*args, **kw)859def exclude(*args, **kw): 860 return the_coverage.exclude(*args, **kw)861def analysis(*args, **kw): 862 return the_coverage.analysis(*args, **kw)863def analysis2(*args, **kw): 864 return the_coverage.analysis2(*args, **kw)865def report(*args, **kw): 866 return*args, **kw)867def annotate(*args, **kw): 868 return the_coverage.annotate(*args, **kw)869def annotate_file(*args, **kw): 870 return the_coverage.annotate_file(*args, **kw)...

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