def replace_help(namespace):
def _help(*args):
# because of how the console works. we need our own help() pager func.
# replace the bold function because it adds crazy chars
import pydoc
pydoc.getpager = lambda: pydoc.plainpager
pydoc.Helper.getline = lambda self, prompt: None
pydoc.TextDoc.use_bold = lambda self, text: text
pydoc.help(*args)
namespace["help"] = _help
python类getpager()的实例源码
def test_help_output_redirect(self):
# issue 940286, if output is set in Helper, then all output from
# Helper.help should be redirected
old_pattern = expected_text_pattern
getpager_old = pydoc.getpager
getpager_new = lambda: (lambda x: x)
self.maxDiff = None
buf = StringIO()
helper = pydoc.Helper(output=buf)
unused, doc_loc = get_pydoc_text(pydoc_mod)
module = "test.pydoc_mod"
help_header = """
Help on module test.pydoc_mod in test:
""".lstrip()
help_header = textwrap.dedent(help_header)
expected_help_pattern = help_header + expected_text_pattern
pydoc.getpager = getpager_new
try:
with captured_output('stdout') as output, \
captured_output('stderr') as err:
helper.help(module)
result = buf.getvalue().strip()
expected_text = expected_help_pattern % \
(doc_loc, inspect.getabsfile(pydoc_mod))
self.assertEqual('', output.getvalue())
self.assertEqual('', err.getvalue())
self.assertEqual(expected_text, result)
finally:
pydoc.getpager = getpager_old
def test_getpager_with_stdin_none(self):
previous_stdin = sys.stdin
try:
sys.stdin = None
pydoc.getpager() # Shouldn't fail.
finally:
sys.stdin = previous_stdin
def test_getpager_with_stdin_none(self):
previous_stdin = sys.stdin
try:
sys.stdin = None
pydoc.getpager() # Shouldn't fail.
finally:
sys.stdin = previous_stdin
def test_help_output_redirect(self):
# issue 940286, if output is set in Helper, then all output from
# Helper.help should be redirected
old_pattern = expected_text_pattern
getpager_old = pydoc.getpager
getpager_new = lambda: (lambda x: x)
self.maxDiff = None
buf = StringIO()
helper = pydoc.Helper(output=buf)
unused, doc_loc = get_pydoc_text(pydoc_mod)
module = "test.pydoc_mod"
help_header = """
Help on module test.pydoc_mod in test:
""".lstrip()
help_header = textwrap.dedent(help_header)
expected_help_pattern = help_header + expected_text_pattern
pydoc.getpager = getpager_new
try:
with captured_output('stdout') as output, \
captured_output('stderr') as err:
helper.help(module)
result = buf.getvalue().strip()
expected_text = expected_help_pattern % (
(doc_loc,) +
expected_text_data_docstrings +
(inspect.getabsfile(pydoc_mod),))
self.assertEqual('', output.getvalue())
self.assertEqual('', err.getvalue())
self.assertEqual(expected_text, result)
finally:
pydoc.getpager = getpager_old
def test_getpager_with_stdin_none(self):
previous_stdin = sys.stdin
try:
sys.stdin = None
pydoc.getpager() # Shouldn't fail.
finally:
sys.stdin = previous_stdin
def test_getpager_with_stdin_none(self):
previous_stdin = sys.stdin
try:
sys.stdin = None
pydoc.getpager() # Shouldn't fail.
finally:
sys.stdin = previous_stdin
def test_help_output_redirect(self):
# issue 940286, if output is set in Helper, then all output from
# Helper.help should be redirected
old_pattern = expected_text_pattern
getpager_old = pydoc.getpager
getpager_new = lambda: (lambda x: x)
self.maxDiff = None
buf = StringIO()
helper = pydoc.Helper(output=buf)
unused, doc_loc = get_pydoc_text(pydoc_mod)
module = "test.pydoc_mod"
help_header = """
Help on module test.pydoc_mod in test:
""".lstrip()
help_header = textwrap.dedent(help_header)
expected_help_pattern = help_header + expected_text_pattern
pydoc.getpager = getpager_new
try:
with captured_output('stdout') as output, \
captured_output('stderr') as err:
helper.help(module)
result = buf.getvalue().strip()
expected_text = expected_help_pattern % (
(doc_loc,) +
expected_text_data_docstrings +
(inspect.getabsfile(pydoc_mod),))
self.assertEqual('', output.getvalue())
self.assertEqual('', err.getvalue())
self.assertEqual(expected_text, result)
finally:
pydoc.getpager = getpager_old
def test_getpager_with_stdin_none(self):
previous_stdin = sys.stdin
try:
sys.stdin = None
pydoc.getpager() # Shouldn't fail.
finally:
sys.stdin = previous_stdin
def test_help_output_redirect(self):
# issue 940286, if output is set in Helper, then all output from
# Helper.help should be redirected
old_pattern = expected_text_pattern
getpager_old = pydoc.getpager
getpager_new = lambda: (lambda x: x)
self.maxDiff = None
buf = StringIO()
helper = pydoc.Helper(output=buf)
unused, doc_loc = get_pydoc_text(pydoc_mod)
module = "test.pydoc_mod"
help_header = """
Help on module test.pydoc_mod in test:
""".lstrip()
help_header = textwrap.dedent(help_header)
expected_help_pattern = help_header + expected_text_pattern
pydoc.getpager = getpager_new
try:
with captured_output('stdout') as output, \
captured_output('stderr') as err:
helper.help(module)
result = buf.getvalue().strip()
expected_text = expected_help_pattern % (
(doc_loc,) +
expected_text_data_docstrings +
(inspect.getabsfile(pydoc_mod),))
self.assertEqual('', output.getvalue())
self.assertEqual('', err.getvalue())
self.assertEqual(expected_text, result)
finally:
pydoc.getpager = getpager_old
