Python pdb.run() Examples

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def user_exception(self, frame, exc_info):
        """This function is called if an exception occurs,
        but only if we are to stop at or just below this level."""
        if self._wait_for_mainpyfile:
            return
        exc_type, exc_value, exc_traceback = exc_info
        frame.f_locals['__exception__'] = exc_type, exc_value

        # An 'Internal StopIteration' exception is an exception debug event
        # issued by the interpreter when handling a subgenerator run with
        # 'yield from' or a generator controled by a for loop. No exception has
        # actually occurred in this case. The debugger uses this debug event to
        # stop when the debuggee is returning from such generators.
        prefix = 'Internal ' if (not exc_traceback
                                    and exc_type is StopIteration) else ''
        self.message('%s%s' % (prefix,
            traceback.format_exception_only(exc_type, exc_value)[-1].strip()))
        self.interaction(frame, exc_traceback)

    # General interaction function 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def do_debug(self, arg):
        """debug code
        Enter a recursive debugger that steps through the code
        argument (which is an arbitrary expression or statement to be
        executed in the current environment).
        """
        sys.settrace(None)
        globals = self.curframe.f_globals
        locals = self.curframe_locals
        p = Pdb(self.completekey, self.stdin, self.stdout)
        p.prompt = "(%s) " % self.prompt.strip()
        self.message("ENTERING RECURSIVE DEBUGGER")
        sys.call_tracing(p.run, (arg, globals, locals))
        self.message("LEAVING RECURSIVE DEBUGGER")
        sys.settrace(self.trace_dispatch)
        self.lastcmd = p.lastcmd 

def do_help(self, arg):
        """h(elp)
        Without argument, print the list of available commands.
        With a command name as argument, print help about that command.
        "help pdb" shows the full pdb documentation.
        "help exec" gives help on the ! command.
        """
        if not arg:
            return cmd.Cmd.do_help(self, arg)
        try:
            try:
                topic = getattr(self, 'help_' + arg)
                return topic()
            except AttributeError:
                command = getattr(self, 'do_' + arg)
        except AttributeError:
            self.error('No help for %r' % arg)
        else:
            if sys.flags.optimize >= 2:
                self.error('No help for %r; please do not run Python with -OO '
                           'if you need command help' % arg)
                return
            self.message(command.__doc__.rstrip()) 

def user_exception(self, frame, exc_info):
        """This function is called if an exception occurs,
        but only if we are to stop at or just below this level."""
        if self._wait_for_mainpyfile:
            return
        exc_type, exc_value, exc_traceback = exc_info
        frame.f_locals['__exception__'] = exc_type, exc_value

        # An 'Internal StopIteration' exception is an exception debug event
        # issued by the interpreter when handling a subgenerator run with
        # 'yield from' or a generator controlled by a for loop. No exception has
        # actually occurred in this case. The debugger uses this debug event to
        # stop when the debuggee is returning from such generators.
        prefix = 'Internal ' if (not exc_traceback
                                    and exc_type is StopIteration) else ''
        self.message('%s%s' % (prefix,
            traceback.format_exception_only(exc_type, exc_value)[-1].strip()))
        self.interaction(frame, exc_traceback)

    # General interaction function 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def runTest(self):
        test = self._dt_test
        old = sys.stdout
        new = StringIO()
        optionflags = self._dt_optionflags

        if not (optionflags & REPORTING_FLAGS):
            # The option flags don't include any reporting flags,
            # so add the default reporting flags
            optionflags |= _unittest_reportflags

        runner = DocTestRunner(optionflags=optionflags,
                               checker=self._dt_checker, verbose=False)

        try:
            runner.DIVIDER = "-"*70
            failures, tries = runner.run(
                test, out=new.write, clear_globs=False)
        finally:
            sys.stdout = old

        if failures:
            raise self.failureException(self.format_failure(new.getvalue())) 

def do_debug(self, arg):
        """debug code
        Enter a recursive debugger that steps through the code
        argument (which is an arbitrary expression or statement to be
        executed in the current environment).
        """
        sys.settrace(None)
        globals = self.curframe.f_globals
        locals = self.curframe_locals
        p = Pdb(self.completekey, self.stdin, self.stdout)
        p.prompt = "(%s) " % self.prompt.strip()
        self.message("ENTERING RECURSIVE DEBUGGER")
        sys.call_tracing(p.run, (arg, globals, locals))
        self.message("LEAVING RECURSIVE DEBUGGER")
        sys.settrace(self.trace_dispatch)
        self.lastcmd = p.lastcmd 

def do_help(self, arg):
        """h(elp)
        Without argument, print the list of available commands.
        With a command name as argument, print help about that command.
        "help pdb" shows the full pdb documentation.
        "help exec" gives help on the ! command.
        """
        if not arg:
            return cmd.Cmd.do_help(self, arg)
        try:
            try:
                topic = getattr(self, 'help_' + arg)
                return topic()
            except AttributeError:
                command = getattr(self, 'do_' + arg)
        except AttributeError:
            self.error('No help for %r' % arg)
        else:
            if sys.flags.optimize >= 2:
                self.error('No help for %r; please do not run Python with -OO '
                           'if you need command help' % arg)
                return
            self.message(command.__doc__.rstrip()) 

def runctx(statement, globals, locals):
    # B/W compatibility
    run(statement, globals, locals) 

def __init__(self, checker=None, verbose=None, optionflags=0):
        """
        Create a new test runner.

        Optional keyword arg `checker` is the `OutputChecker` that
        should be used to compare the expected outputs and actual
        outputs of doctest examples.

        Optional keyword arg 'verbose' prints lots of stuff if true,
        only failures if false; by default, it's true iff '-v' is in
        sys.argv.

        Optional argument `optionflags` can be used to control how the
        test runner compares expected output to actual output, and how
        it displays failures.  See the documentation for `testmod` for
        more information.
        """
        self._checker = checker or OutputChecker()
        if verbose is None:
            verbose = '-v' in sys.argv
        self._verbose = verbose
        self.optionflags = optionflags
        self.original_optionflags = optionflags

        # Keep track of the examples we've run.
        self.tries = 0
        self.failures = 0
        self._name2ft = {}

        # Create a fake output target for capturing doctest output.
        self._fakeout = _SpoofOut()

    #/////////////////////////////////////////////////////////////////
    # Reporting methods
    #///////////////////////////////////////////////////////////////// 

def debug_script(src, pm=False, globs=None):
    "Debug a test script.  `src` is the script, as a string."
    import pdb

    # Note that tempfile.NameTemporaryFile() cannot be used.  As the
    # docs say, a file so created cannot be opened by name a second time
    # on modern Windows boxes, and execfile() needs to open it.
    srcfilename = tempfile.mktemp(".py", "doctestdebug")
    f = open(srcfilename, 'w')
    f.write(src)
    f.close()

    try:
        if globs:
            globs = globs.copy()
        else:
            globs = {}

        if pm:
            try:
                execfile(srcfilename, globs, globs)
            except:
                print sys.exc_info()[1]
                pdb.post_mortem(sys.exc_info()[2])
        else:
            # Note that %r is vital here.  '%s' instead can, e.g., cause
            # backslashes to get treated as metacharacters on Windows.
            pdb.run("execfile(%r)" % srcfilename, globs, globs)

    finally:
        os.remove(srcfilename) 

def test():
    run(TESTCMD)

# print help 

def debug(self):
        self.setUp()
        runner = DebugRunner(optionflags=self._dt_optionflags,
                             checker=self._dt_checker, verbose=False)
        runner.run(self._dt_test)
        self.tearDown() 

def do_run(self, arg):
        """run [args...]
        Restart the debugged python program. If a string is supplied
        it is split with "shlex", and the result is used as the new
        sys.argv.  History, breakpoints, actions and debugger options
        are preserved.  "restart" is an alias for "run".
        """
        if arg:
            import shlex
            argv0 = sys.argv[0:1]
            sys.argv = shlex.split(arg)
            sys.argv[:0] = argv0
        # this is caught in the main debugger loop
        raise Restart 

def run(statement, globals=None, locals=None):
    Pdb().run(statement, globals, locals) 

def rundoc(self, object, name=None, module=None):
        f = t = 0
        tests = self.testfinder.find(object, name, module=module,
                                     globs=self.globs)
        for test in tests:
            (f2, t2) = self.testrunner.run(test)
            (f,t) = (f+f2, t+t2)
        return (f,t) 

def run_docstring_examples(f, globs, verbose=False, name="NoName",
                           compileflags=None, optionflags=0):
    """
    Test examples in the given object's docstring (`f`), using `globs`
    as globals.  Optional argument `name` is used in failure messages.
    If the optional argument `verbose` is true, then generate output
    even if there are no failures.

    `compileflags` gives the set of flags that should be used by the
    Python compiler when running the examples.  If not specified, then
    it will default to the set of future-import flags that apply to
    `globs`.

    Optional keyword arg `optionflags` specifies options for the
    testing and output.  See the documentation for `testmod` for more
    information.
    """
    # Find, parse, and run all tests in the given module.
    finder = DocTestFinder(verbose=verbose, recurse=False)
    runner = DocTestRunner(verbose=verbose, optionflags=optionflags)
    for test in finder.find(f, name, globs=globs):
        runner.run(test, compileflags=compileflags)

######################################################################
## 7. Tester
######################################################################
# This is provided only for backwards compatibility.  It's not
# actually used in any way. 

def run(self, test, compileflags=None, out=None, clear_globs=True):
        r = DocTestRunner.run(self, test, compileflags, out, False)
        if clear_globs:
            test.globs.clear()
        return r 

def __init__(self, checker=None, verbose=None, optionflags=0):
        """
        Create a new test runner.

        Optional keyword arg `checker` is the `OutputChecker` that
        should be used to compare the expected outputs and actual
        outputs of doctest examples.

        Optional keyword arg 'verbose' prints lots of stuff if true,
        only failures if false; by default, it's true iff '-v' is in
        sys.argv.

        Optional argument `optionflags` can be used to control how the
        test runner compares expected output to actual output, and how
        it displays failures.  See the documentation for `testmod` for
        more information.
        """
        self._checker = checker or OutputChecker()
        if verbose is None:
            verbose = '-v' in sys.argv
        self._verbose = verbose
        self.optionflags = optionflags
        self.original_optionflags = optionflags

        # Keep track of the examples we've run.
        self.tries = 0
        self.failures = 0
        self._name2ft = {}

        # Create a fake output target for capturing doctest output.
        self._fakeout = _SpoofOut()

    #/////////////////////////////////////////////////////////////////
    # Reporting methods
    #///////////////////////////////////////////////////////////////// 

def debug_script(src, pm=False, globs=None):
    "Debug a test script.  `src` is the script, as a string."
    import pdb

    # Note that tempfile.NameTemporaryFile() cannot be used.  As the
    # docs say, a file so created cannot be opened by name a second time
    # on modern Windows boxes, and execfile() needs to open it.
    srcfilename = tempfile.mktemp(".py", "doctestdebug")
    f = open(srcfilename, 'w')
    f.write(src)
    f.close()

    try:
        if globs:
            globs = globs.copy()
        else:
            globs = {}

        if pm:
            try:
                execfile(srcfilename, globs, globs)
            except:
                print sys.exc_info()[1]
                pdb.post_mortem(sys.exc_info()[2])
        else:
            # Note that %r is vital here.  '%s' instead can, e.g., cause
            # backslashes to get treated as metacharacters on Windows.
            pdb.run("execfile(%r)" % srcfilename, globs, globs)

    finally:
        os.remove(srcfilename) 

def runstring(self, s, name):
        test = DocTestParser().get_doctest(s, self.globs, name, None, None)
        if self.verbose:
            print "Running string", name
        (f,t) = self.testrunner.run(test)
        if self.verbose:
            print f, "of", t, "examples failed in string", name
        return TestResults(f,t) 

def run_docstring_examples(f, globs, verbose=False, name="NoName",
                           compileflags=None, optionflags=0):
    """
    Test examples in the given object's docstring (`f`), using `globs`
    as globals.  Optional argument `name` is used in failure messages.
    If the optional argument `verbose` is true, then generate output
    even if there are no failures.

    `compileflags` gives the set of flags that should be used by the
    Python compiler when running the examples.  If not specified, then
    it will default to the set of future-import flags that apply to
    `globs`.

    Optional keyword arg `optionflags` specifies options for the
    testing and output.  See the documentation for `testmod` for more
    information.
    """
    # Find, parse, and run all tests in the given module.
    finder = DocTestFinder(verbose=verbose, recurse=False)
    runner = DocTestRunner(verbose=verbose, optionflags=optionflags)
    for test in finder.find(f, name, globs=globs):
        runner.run(test, compileflags=compileflags)

######################################################################
## 7. Tester
######################################################################
# This is provided only for backwards compatibility.  It's not
# actually used in any way. 

def run(self, test, compileflags=None, out=None, clear_globs=True):
        r = DocTestRunner.run(self, test, compileflags, out, False)
        if clear_globs:
            test.globs.clear()
        return r 

def debug_script(src, pm=False, globs=None):
    "Debug a test script.  `src` is the script, as a string."
    import pdb

    # Note that tempfile.NameTemporaryFile() cannot be used.  As the
    # docs say, a file so created cannot be opened by name a second time
    # on modern Windows boxes, and execfile() needs to open it.
    srcfilename = tempfile.mktemp(".py", "doctestdebug")
    f = open(srcfilename, 'w')
    f.write(src)
    f.close()

    try:
        if globs:
            globs = globs.copy()
        else:
            globs = {}

        if pm:
            try:
                execfile(srcfilename, globs, globs)
            except:
                print sys.exc_info()[1]
                pdb.post_mortem(sys.exc_info()[2])
        else:
            # Note that %r is vital here.  '%s' instead can, e.g., cause
            # backslashes to get treated as metacharacters on Windows.
            pdb.run("execfile(%r)" % srcfilename, globs, globs)

    finally:
        os.remove(srcfilename)