Python pdb.py() Examples

def test_import_star_py_dot_test(self, testdir):
        p = testdir.makepyfile(
            """
            from py.test import *
            #collect
            #cmdline
            #Item
            # assert collect.Item is Item
            # assert collect.Collector is Collector
            main
            skip
            xfail
        """
        )
        result = testdir.runpython(p)
        assert result.ret == 0 

def _complete_location(self, text, line, begidx, endidx):
        # Complete a file/module/function location for break/tbreak/clear.
        if line.strip().endswith((':', ',')):
            # Here comes a line number or a condition which we can't complete.
            return []
        # First, try to find matching functions (i.e. expressions).
        try:
            ret = self._complete_expression(text, line, begidx, endidx)
        except Exception:
            ret = []
        # Then, try to complete file names as well.
        globs = glob.glob(text + '*')
        for fn in globs:
            if os.path.isdir(fn):
                ret.append(fn + '/')
            elif os.path.isfile(fn) and fn.lower().endswith(('.py', '.pyw')):
                ret.append(fn + ':')
        return ret 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def test_do_bt_pygments():
    def fn():
        set_trace(Config=ConfigWithPygments)

    expected_bt = []
    for i, entry in enumerate(traceback.extract_stack()[:-3]):
        expected_bt.append("  [%2d] .*" % i)
        expected_bt.append("  .*")

    check(fn, r"""
--Return--
[NUM] > .*fn()->None
-> set_trace(Config^[[38;5;241m=^[[39mConfigWithPygments)
   5 frames hidden .*
# bt
{expected}
  [NUM] .*(NUM)runpdb()
       func()
> [NUM] .*\.py(NUM)fn()->None
       set_trace(Config^[[38;5;241m=^[[39mConfigWithPygments)
# c
""".format(expected="\n".join(expected_bt))) 

def test_do_bt_highlight():
    def fn():
        set_trace(Config=ConfigWithHighlight)

    expected_bt = []
    for i, entry in enumerate(traceback.extract_stack()[:-3]):
        expected_bt.append("  [%2d] .*" % i)
        expected_bt.append("  .*")

    check(fn, r"""
--Return--
[NUM] > .*fn()->None
-> set_trace(Config=ConfigWithHighlight)
   5 frames hidden .*
# bt
{expected}
  [NUM] ^[[33;01m.*\.py^[[00m(^[[36;01mNUM^[[00m)runpdb()
       func()
> [NUM] ^[[33;01m.*\.py^[[00m(^[[36;01mNUM^[[00m)fn()->None
       set_trace(Config=ConfigWithHighlight)
# c
""".format(expected="\n".join(expected_bt))) 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def do_edit(self, arg):
        "Open an editor visiting the current file at the current line"
        if arg == '':
            filename, lineno = self._get_current_position()
        else:
            filename, lineno, _ = self._get_position_of_arg(arg)
            if filename is None:
                return
        # this case handles code generated with py.code.Source()
        # filename is something like '<0-codegen foo.py:18>'
        match = re.match(r'.*<\d+-codegen (.*):(\d+)>', filename)
        if match:
            filename = match.group(1)
            lineno = int(match.group(2))

        try:
            self._open_editor(self._get_editor_cmd(filename, lineno))
        except Exception as exc:
            self.error(exc) 

def test_edit_py_code_source():
    src = py.code.Source("""
    def bar():
        set_trace()
        return 42
    """)
    _, base_lineno = inspect.getsourcelines(test_edit_py_code_source)
    dic = {'set_trace': set_trace}
    exec(src.compile(), dic)  # 8th line from the beginning of the function
    bar = dic['bar']
    src_compile_lineno = base_lineno + 8

    check(bar, r"""
[NUM] > .*bar()
-> return 42
   5 frames hidden .*
# edit bar
RUN emacs \+%d %s
# c
""" % (src_compile_lineno, RE_THIS_FILE_CANONICAL_QUOTED)) 

def test_py_code_source():  # noqa: F821
    src = py.code.Source("""
    def fn():
        x = 42
        set_trace()
        return x
    """)

    exec(src.compile(), globals())
    check(fn,  # noqa: F821
          """
[NUM] > .*fn()
-> return x
   5 frames hidden .*
# ll
NUM     def fn():
NUM         x = 42
NUM         set_trace()
NUM  ->     return x
# c
""") 

def test_exception_info_main(testdir):
    """Test that interaction adds __exception__ similar to user_exception."""
    p1 = testdir.makepyfile(
        """
        def f():
            raise ValueError("foo")

        f()
        """
    )
    testdir.monkeypatch.setenv("PDBPP_COLORS", "0")
    result = testdir.run(
        sys.executable, "-m", "pdb", str(p1),
        stdin=b"cont\nsticky\n",
    )
    result.stdout.fnmatch_lines(
        [
            '*Uncaught exception. Entering post mortem debugging',
            "*[[]5[]] > *test_exception_info_main.py(2)f()",
            "",
            "1     def f():",
            '2  ->     raise ValueError("foo")',
            "ValueError: foo",
        ]
    ) 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def _complete_location(self, text, line, begidx, endidx):
        # Complete a file/module/function location for break/tbreak/clear.
        if line.strip().endswith((':', ',')):
            # Here comes a line number or a condition which we can't complete.
            return []
        # First, try to find matching functions (i.e. expressions).
        try:
            ret = self._complete_expression(text, line, begidx, endidx)
        except Exception:
            ret = []
        # Then, try to complete file names as well.
        globs = glob.glob(text + '*')
        for fn in globs:
            if os.path.isdir(fn):
                ret.append(fn + '/')
            elif os.path.isfile(fn) and fn.lower().endswith(('.py', '.pyw')):
                ret.append(fn + ':')
        return ret 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def _complete_location(self, text, line, begidx, endidx):
        # Complete a file/module/function location for break/tbreak/clear.
        if line.strip().endswith((':', ',')):
            # Here comes a line number or a condition which we can't complete.
            return []
        # First, try to find matching functions (i.e. expressions).
        try:
            ret = self._complete_expression(text, line, begidx, endidx)
        except Exception:
            ret = []
        # Then, try to complete file names as well.
        globs = glob.glob(text + '*')
        for fn in globs:
            if os.path.isdir(fn):
                ret.append(fn + '/')
            elif os.path.isfile(fn) and fn.lower().endswith(('.py', '.pyw')):
                ret.append(fn + ':')
        return ret 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def _complete_location(self, text, line, begidx, endidx):
        # Complete a file/module/function location for break/tbreak/clear.
        if line.strip().endswith((':', ',')):
            # Here comes a line number or a condition which we can't complete.
            return []
        # First, try to find matching functions (i.e. expressions).
        try:
            ret = self._complete_expression(text, line, begidx, endidx)
        except Exception:
            ret = []
        # Then, try to complete file names as well.
        globs = glob.glob(text + '*')
        for fn in globs:
            if os.path.isdir(fn):
                ret.append(fn + '/')
            elif os.path.isfile(fn) and fn.lower().endswith(('.py', '.pyw')):
                ret.append(fn + ':')
        return ret 

def lookupmodule(self, filename):
        """Helper function for break/clear parsing -- may be overridden.

        lookupmodule() translates (possibly incomplete) file or module name
        into an absolute file name.
        """
        if os.path.isabs(filename) and  os.path.exists(filename):
            return filename
        f = os.path.join(sys.path[0], filename)
        if  os.path.exists(f) and self.canonic(f) == self.mainpyfile:
            return f
        root, ext = os.path.splitext(filename)
        if ext == '':
            filename = filename + '.py'
        if os.path.isabs(filename):
            return filename
        for dirname in sys.path:
            while os.path.islink(dirname):
                dirname = os.readlink(dirname)
            fullname = os.path.join(dirname, filename)
            if os.path.exists(fullname):
                return fullname
        return None 

def test_warn_on_async_gen_function(testdir):
    testdir.makepyfile(
        test_async="""
        async def test_1():
            yield
        async def test_2():
            yield
        def test_3():
            return test_2()
    """
    )
    result = testdir.runpytest()
    result.stdout.fnmatch_lines(
        [
            "test_async.py::test_1",
            "test_async.py::test_2",
            "test_async.py::test_3",
            "*async def functions are not natively supported*",
            "*3 skipped, 3 warnings in*",
        ]
    )
    # ensure our warning message appears only once
    assert (
        result.stdout.str().count("async def functions are not natively supported") == 1
    ) 

def test_early_hook_error_issue38_1(self, testdir):
        testdir.makeconftest(
            """
            def pytest_sessionstart():
                0 / 0
        """
        )
        result = testdir.runpytest(testdir.tmpdir)
        assert result.ret != 0
        # tracestyle is native by default for hook failures
        result.stdout.fnmatch_lines(
            ["*INTERNALERROR*File*conftest.py*line 2*", "*0 / 0*"]
        )
        result = testdir.runpytest(testdir.tmpdir, "--fulltrace")
        assert result.ret != 0
        # tracestyle is native by default for hook failures
        result.stdout.fnmatch_lines(
            ["*INTERNALERROR*def pytest_sessionstart():*", "*INTERNALERROR*0 / 0*"]
        ) 

def test_zipimport_hook(testdir, tmpdir):
    """Test package loader is being used correctly (see #1837)."""
    zipapp = pytest.importorskip("zipapp")
    testdir.tmpdir.join("app").ensure(dir=1)
    testdir.makepyfile(
        **{
            "app/foo.py": """
            import pytest
            def main():
                pytest.main(['--pyargs', 'foo'])
        """
        }
    )
    target = tmpdir.join("foo.zip")
    zipapp.create_archive(str(testdir.tmpdir.join("app")), str(target), main="foo:main")
    result = testdir.runpython(target)
    assert result.ret == 0
    result.stderr.fnmatch_lines(["*not found*foo*"])
    result.stdout.no_fnmatch_line("*INTERNALERROR>*") 

def test_namespace_import_doesnt_confuse_import_hook(self, testdir):
        """
        Ref #383. Python 3.3's namespace package messed with our import hooks
        Importing a module that didn't exist, even if the ImportError was
        gracefully handled, would make our test crash.

        Use recwarn here to silence this warning in Python 2.7:
            ImportWarning: Not importing directory '...\not_a_package': missing __init__.py
        """
        testdir.mkdir("not_a_package")
        p = testdir.makepyfile(
            """
            try:
                from not_a_package import doesnt_exist
            except ImportError:
                # We handle the import error gracefully here
                pass

            def test_whatever():
                pass
        """
        )
        res = testdir.runpytest(p.basename)
        assert res.ret == 0 

def _disable_pytest_capture_maybe(self):
        try:
            import py.test
            # Force raising of ImportError if pytest is not installed.
            py.test.config
        except (ImportError, AttributeError):
            return
        try:
            capman = py.test.config.pluginmanager.getplugin('capturemanager')
            capman.suspendcapture()
        except KeyError:
            pass
        except AttributeError:
            # Newer pytest with support ready, or very old py.test for which
            # this hack does not work.
            pass 

def test_cmdline_python_package(self, testdir, monkeypatch):
        import warnings

        monkeypatch.delenv("PYTHONDONTWRITEBYTECODE", False)
        path = testdir.mkpydir("tpkg")
        path.join("test_hello.py").write("def test_hello(): pass")
        path.join("test_world.py").write("def test_world(): pass")
        result = testdir.runpytest("--pyargs", "tpkg")
        assert result.ret == 0
        result.stdout.fnmatch_lines(["*2 passed*"])
        result = testdir.runpytest("--pyargs", "tpkg.test_hello", syspathinsert=True)
        assert result.ret == 0
        result.stdout.fnmatch_lines(["*1 passed*"])

        empty_package = testdir.mkpydir("empty_package")
        monkeypatch.setenv("PYTHONPATH", str(empty_package), prepend=os.pathsep)
        # the path which is not a package raises a warning on pypy;
        # no idea why only pypy and not normal python warn about it here
        with warnings.catch_warnings():
            warnings.simplefilter("ignore", ImportWarning)
            result = testdir.runpytest("--pyargs", ".")
        assert result.ret == 0
        result.stdout.fnmatch_lines(["*2 passed*"])

        monkeypatch.setenv("PYTHONPATH", str(testdir), prepend=os.pathsep)
        result = testdir.runpytest("--pyargs", "tpkg.test_missing", syspathinsert=True)
        assert result.ret != 0
        result.stderr.fnmatch_lines(["*not*found*test_missing*"])