|
|
import tokenize
|
|
|
import nose.tools as nt
|
|
|
|
|
|
from IPython.testing import tools as tt
|
|
|
from IPython.utils import py3compat
|
|
|
u_fmt = py3compat.u_format
|
|
|
|
|
|
from IPython.core import inputtransformer as ipt
|
|
|
|
|
|
def transform_and_reset(transformer):
|
|
|
transformer = transformer()
|
|
|
def transform(inp):
|
|
|
try:
|
|
|
return transformer.push(inp)
|
|
|
finally:
|
|
|
transformer.reset()
|
|
|
|
|
|
return transform
|
|
|
|
|
|
# Transformer tests
|
|
|
def transform_checker(tests, transformer, **kwargs):
|
|
|
"""Utility to loop over test inputs"""
|
|
|
transformer = transformer(**kwargs)
|
|
|
try:
|
|
|
for inp, tr in tests:
|
|
|
if inp is None:
|
|
|
out = transformer.reset()
|
|
|
else:
|
|
|
out = transformer.push(inp)
|
|
|
nt.assert_equal(out, tr)
|
|
|
finally:
|
|
|
transformer.reset()
|
|
|
|
|
|
# Data for all the syntax tests in the form of lists of pairs of
|
|
|
# raw/transformed input. We store it here as a global dict so that we can use
|
|
|
# it both within single-function tests and also to validate the behavior of the
|
|
|
# larger objects
|
|
|
|
|
|
syntax = \
|
|
|
dict(assign_system =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[(u'a =! ls', "a = get_ipython().getoutput({u}'ls')"),
|
|
|
(u'b = !ls', "b = get_ipython().getoutput({u}'ls')"),
|
|
|
(u'c= !ls', "c = get_ipython().getoutput({u}'ls')"),
|
|
|
(u'd == !ls', u'd == !ls'), # Invalid syntax, but we leave == alone.
|
|
|
('x=1', 'x=1'), # normal input is unmodified
|
|
|
(' ',' '), # blank lines are kept intact
|
|
|
# Tuple unpacking
|
|
|
(u"a, b = !echo 'a\\nb'", u"a, b = get_ipython().getoutput({u}\"echo 'a\\\\nb'\")"),
|
|
|
(u"a,= !echo 'a'", u"a, = get_ipython().getoutput({u}\"echo 'a'\")"),
|
|
|
(u"a, *bc = !echo 'a\\nb\\nc'", u"a, *bc = get_ipython().getoutput({u}\"echo 'a\\\\nb\\\\nc'\")"),
|
|
|
# Tuple unpacking with regular Python expressions, not our syntax.
|
|
|
(u"a, b = range(2)", u"a, b = range(2)"),
|
|
|
(u"a, = range(1)", u"a, = range(1)"),
|
|
|
(u"a, *bc = range(3)", u"a, *bc = range(3)"),
|
|
|
]],
|
|
|
|
|
|
assign_magic =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[(u'a =% who', "a = get_ipython().magic({u}'who')"),
|
|
|
(u'b = %who', "b = get_ipython().magic({u}'who')"),
|
|
|
(u'c= %ls', "c = get_ipython().magic({u}'ls')"),
|
|
|
(u'd == %ls', u'd == %ls'), # Invalid syntax, but we leave == alone.
|
|
|
('x=1', 'x=1'), # normal input is unmodified
|
|
|
(' ',' '), # blank lines are kept intact
|
|
|
(u"a, b = %foo", u"a, b = get_ipython().magic({u}'foo')"),
|
|
|
]],
|
|
|
|
|
|
classic_prompt =
|
|
|
[('>>> x=1', 'x=1'),
|
|
|
('x=1', 'x=1'), # normal input is unmodified
|
|
|
(' ', ' '), # blank lines are kept intact
|
|
|
],
|
|
|
|
|
|
ipy_prompt =
|
|
|
[('In [1]: x=1', 'x=1'),
|
|
|
('x=1', 'x=1'), # normal input is unmodified
|
|
|
(' ',' '), # blank lines are kept intact
|
|
|
],
|
|
|
|
|
|
# Tests for the escape transformer to leave normal code alone
|
|
|
escaped_noesc =
|
|
|
[ (' ', ' '),
|
|
|
('x=1', 'x=1'),
|
|
|
],
|
|
|
|
|
|
# System calls
|
|
|
escaped_shell =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[ (u'!ls', "get_ipython().system({u}'ls')"),
|
|
|
# Double-escape shell, this means to capture the output of the
|
|
|
# subprocess and return it
|
|
|
(u'!!ls', "get_ipython().getoutput({u}'ls')"),
|
|
|
]],
|
|
|
|
|
|
# Help/object info
|
|
|
escaped_help =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[ (u'?', 'get_ipython().show_usage()'),
|
|
|
(u'?x1', "get_ipython().magic({u}'pinfo x1')"),
|
|
|
(u'??x2', "get_ipython().magic({u}'pinfo2 x2')"),
|
|
|
(u'?a.*s', "get_ipython().magic({u}'psearch a.*s')"),
|
|
|
(u'?%hist1', "get_ipython().magic({u}'pinfo %hist1')"),
|
|
|
(u'?%%hist2', "get_ipython().magic({u}'pinfo %%hist2')"),
|
|
|
(u'?abc = qwe', "get_ipython().magic({u}'pinfo abc')"),
|
|
|
]],
|
|
|
|
|
|
end_help =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[ (u'x3?', "get_ipython().magic({u}'pinfo x3')"),
|
|
|
(u'x4??', "get_ipython().magic({u}'pinfo2 x4')"),
|
|
|
(u'%hist1?', "get_ipython().magic({u}'pinfo %hist1')"),
|
|
|
(u'%hist2??', "get_ipython().magic({u}'pinfo2 %hist2')"),
|
|
|
(u'%%hist3?', "get_ipython().magic({u}'pinfo %%hist3')"),
|
|
|
(u'%%hist4??', "get_ipython().magic({u}'pinfo2 %%hist4')"),
|
|
|
(u'f*?', "get_ipython().magic({u}'psearch f*')"),
|
|
|
(u'ax.*aspe*?', "get_ipython().magic({u}'psearch ax.*aspe*')"),
|
|
|
(u'a = abc?', "get_ipython().set_next_input({u}'a = abc');"
|
|
|
"get_ipython().magic({u}'pinfo abc')"),
|
|
|
(u'a = abc.qe??', "get_ipython().set_next_input({u}'a = abc.qe');"
|
|
|
"get_ipython().magic({u}'pinfo2 abc.qe')"),
|
|
|
(u'a = *.items?', "get_ipython().set_next_input({u}'a = *.items');"
|
|
|
"get_ipython().magic({u}'psearch *.items')"),
|
|
|
(u'plot(a?', "get_ipython().set_next_input({u}'plot(a');"
|
|
|
"get_ipython().magic({u}'pinfo a')"),
|
|
|
(u'a*2 #comment?', 'a*2 #comment?'),
|
|
|
]],
|
|
|
|
|
|
# Explicit magic calls
|
|
|
escaped_magic =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[ (u'%cd', "get_ipython().magic({u}'cd')"),
|
|
|
(u'%cd /home', "get_ipython().magic({u}'cd /home')"),
|
|
|
# Backslashes need to be escaped.
|
|
|
(u'%cd C:\\User', "get_ipython().magic({u}'cd C:\\\\User')"),
|
|
|
(u' %magic', " get_ipython().magic({u}'magic')"),
|
|
|
]],
|
|
|
|
|
|
# Quoting with separate arguments
|
|
|
escaped_quote =
|
|
|
[ (',f', 'f("")'),
|
|
|
(',f x', 'f("x")'),
|
|
|
(' ,f y', ' f("y")'),
|
|
|
(',f a b', 'f("a", "b")'),
|
|
|
],
|
|
|
|
|
|
# Quoting with single argument
|
|
|
escaped_quote2 =
|
|
|
[ (';f', 'f("")'),
|
|
|
(';f x', 'f("x")'),
|
|
|
(' ;f y', ' f("y")'),
|
|
|
(';f a b', 'f("a b")'),
|
|
|
],
|
|
|
|
|
|
# Simply apply parens
|
|
|
escaped_paren =
|
|
|
[ ('/f', 'f()'),
|
|
|
('/f x', 'f(x)'),
|
|
|
(' /f y', ' f(y)'),
|
|
|
('/f a b', 'f(a, b)'),
|
|
|
],
|
|
|
|
|
|
# Check that we transform prompts before other transforms
|
|
|
mixed =
|
|
|
[(i,py3compat.u_format(o)) for i,o in \
|
|
|
[ (u'In [1]: %lsmagic', "get_ipython().magic({u}'lsmagic')"),
|
|
|
(u'>>> %lsmagic', "get_ipython().magic({u}'lsmagic')"),
|
|
|
(u'In [2]: !ls', "get_ipython().system({u}'ls')"),
|
|
|
(u'In [3]: abs?', "get_ipython().magic({u}'pinfo abs')"),
|
|
|
(u'In [4]: b = %who', "b = get_ipython().magic({u}'who')"),
|
|
|
]],
|
|
|
)
|
|
|
|
|
|
# multiline syntax examples. Each of these should be a list of lists, with
|
|
|
# each entry itself having pairs of raw/transformed input. The union (with
|
|
|
# '\n'.join() of the transformed inputs is what the splitter should produce
|
|
|
# when fed the raw lines one at a time via push.
|
|
|
syntax_ml = \
|
|
|
dict(classic_prompt =
|
|
|
[ [('>>> for i in range(10):','for i in range(10):'),
|
|
|
('... print i',' print i'),
|
|
|
('... ', ''),
|
|
|
],
|
|
|
[('>>> a="""','a="""'),
|
|
|
('... 123"""','123"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
('... 123','123'),
|
|
|
('... 456"""','456"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
('>>> 123','123'),
|
|
|
('... 456"""','456"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
('123','123'),
|
|
|
('... 456"""','... 456"""'),
|
|
|
],
|
|
|
[('....__class__','....__class__'),
|
|
|
],
|
|
|
[('a=5', 'a=5'),
|
|
|
('...', ''),
|
|
|
],
|
|
|
[('>>> def f(x):', 'def f(x):'),
|
|
|
('...', ''),
|
|
|
('... return x', ' return x'),
|
|
|
],
|
|
|
[('board = """....', 'board = """....'),
|
|
|
('....', '....'),
|
|
|
('...."""', '...."""'),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
ipy_prompt =
|
|
|
[ [('In [24]: for i in range(10):','for i in range(10):'),
|
|
|
(' ....: print i',' print i'),
|
|
|
(' ....: ', ''),
|
|
|
],
|
|
|
[('In [24]: for i in range(10):','for i in range(10):'),
|
|
|
# Qt console prompts expand with spaces, not dots
|
|
|
(' ...: print i',' print i'),
|
|
|
(' ...: ', ''),
|
|
|
],
|
|
|
[('In [24]: for i in range(10):','for i in range(10):'),
|
|
|
# Sometimes whitespace preceding '...' has been removed
|
|
|
('...: print i',' print i'),
|
|
|
('...: ', ''),
|
|
|
],
|
|
|
[('In [24]: for i in range(10):','for i in range(10):'),
|
|
|
# Space after last continuation prompt has been removed (issue #6674)
|
|
|
('...: print i',' print i'),
|
|
|
('...:', ''),
|
|
|
],
|
|
|
[('In [2]: a="""','a="""'),
|
|
|
(' ...: 123"""','123"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
(' ...: 123','123'),
|
|
|
(' ...: 456"""','456"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
('In [1]: 123','123'),
|
|
|
(' ...: 456"""','456"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
('123','123'),
|
|
|
(' ...: 456"""',' ...: 456"""'),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
multiline_datastructure_prompt =
|
|
|
[ [('>>> a = [1,','a = [1,'),
|
|
|
('... 2]','2]'),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
multiline_datastructure =
|
|
|
[ [('b = ("%s"', None),
|
|
|
('# comment', None),
|
|
|
('%foo )', 'b = ("%s"\n# comment\n%foo )'),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
multiline_string =
|
|
|
[ [("'''foo?", None),
|
|
|
("bar'''", "'''foo?\nbar'''"),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
leading_indent =
|
|
|
[ [(' print "hi"','print "hi"'),
|
|
|
],
|
|
|
[(' for a in range(5):','for a in range(5):'),
|
|
|
(' a*2',' a*2'),
|
|
|
],
|
|
|
[(' a="""','a="""'),
|
|
|
(' 123"""','123"""'),
|
|
|
],
|
|
|
[('a="""','a="""'),
|
|
|
(' 123"""',' 123"""'),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
cellmagic =
|
|
|
[ [(u'%%foo a', None),
|
|
|
(None, u_fmt("get_ipython().run_cell_magic({u}'foo', {u}'a', {u}'')")),
|
|
|
],
|
|
|
[(u'%%bar 123', None),
|
|
|
(u'hello', None),
|
|
|
(None , u_fmt("get_ipython().run_cell_magic({u}'bar', {u}'123', {u}'hello')")),
|
|
|
],
|
|
|
[(u'a=5', 'a=5'),
|
|
|
(u'%%cellmagic', '%%cellmagic'),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
escaped =
|
|
|
[ [('%abc def \\', None),
|
|
|
('ghi', u_fmt("get_ipython().magic({u}'abc def ghi')")),
|
|
|
],
|
|
|
[('%abc def \\', None),
|
|
|
('ghi\\', None),
|
|
|
(None, u_fmt("get_ipython().magic({u}'abc def ghi')")),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
assign_magic =
|
|
|
[ [(u'a = %bc de \\', None),
|
|
|
(u'fg', u_fmt("a = get_ipython().magic({u}'bc de fg')")),
|
|
|
],
|
|
|
[(u'a = %bc de \\', None),
|
|
|
(u'fg\\', None),
|
|
|
(None, u_fmt("a = get_ipython().magic({u}'bc de fg')")),
|
|
|
],
|
|
|
],
|
|
|
|
|
|
assign_system =
|
|
|
[ [(u'a = !bc de \\', None),
|
|
|
(u'fg', u_fmt("a = get_ipython().getoutput({u}'bc de fg')")),
|
|
|
],
|
|
|
[(u'a = !bc de \\', None),
|
|
|
(u'fg\\', None),
|
|
|
(None, u_fmt("a = get_ipython().getoutput({u}'bc de fg')")),
|
|
|
],
|
|
|
],
|
|
|
)
|
|
|
|
|
|
|
|
|
def test_assign_system():
|
|
|
tt.check_pairs(transform_and_reset(ipt.assign_from_system), syntax['assign_system'])
|
|
|
|
|
|
def test_assign_magic():
|
|
|
tt.check_pairs(transform_and_reset(ipt.assign_from_magic), syntax['assign_magic'])
|
|
|
|
|
|
def test_classic_prompt():
|
|
|
tt.check_pairs(transform_and_reset(ipt.classic_prompt), syntax['classic_prompt'])
|
|
|
for example in syntax_ml['classic_prompt']:
|
|
|
transform_checker(example, ipt.classic_prompt)
|
|
|
for example in syntax_ml['multiline_datastructure_prompt']:
|
|
|
transform_checker(example, ipt.classic_prompt)
|
|
|
|
|
|
# Check that we don't transform the second line if the first is obviously
|
|
|
# IPython syntax
|
|
|
transform_checker([
|
|
|
(u'%foo', '%foo'),
|
|
|
(u'>>> bar', '>>> bar'),
|
|
|
], ipt.classic_prompt)
|
|
|
|
|
|
|
|
|
def test_ipy_prompt():
|
|
|
tt.check_pairs(transform_and_reset(ipt.ipy_prompt), syntax['ipy_prompt'])
|
|
|
for example in syntax_ml['ipy_prompt']:
|
|
|
transform_checker(example, ipt.ipy_prompt)
|
|
|
|
|
|
# Check that we don't transform the second line if we're inside a cell magic
|
|
|
transform_checker([
|
|
|
(u'%%foo', '%%foo'),
|
|
|
(u'In [1]: bar', 'In [1]: bar'),
|
|
|
], ipt.ipy_prompt)
|
|
|
|
|
|
def test_assemble_logical_lines():
|
|
|
tests = \
|
|
|
[ [(u"a = \\", None),
|
|
|
(u"123", u"a = 123"),
|
|
|
],
|
|
|
[(u"a = \\", None), # Test resetting when within a multi-line string
|
|
|
(u"12 *\\", None),
|
|
|
(None, u"a = 12 *"),
|
|
|
],
|
|
|
[(u"# foo\\", u"# foo\\"), # Comments can't be continued like this
|
|
|
],
|
|
|
]
|
|
|
for example in tests:
|
|
|
transform_checker(example, ipt.assemble_logical_lines)
|
|
|
|
|
|
def test_assemble_python_lines():
|
|
|
tests = \
|
|
|
[ [(u"a = '''", None),
|
|
|
(u"abc'''", u"a = '''\nabc'''"),
|
|
|
],
|
|
|
[(u"a = '''", None), # Test resetting when within a multi-line string
|
|
|
(u"def", None),
|
|
|
(None, u"a = '''\ndef"),
|
|
|
],
|
|
|
[(u"a = [1,", None),
|
|
|
(u"2]", u"a = [1,\n2]"),
|
|
|
],
|
|
|
[(u"a = [1,", None), # Test resetting when within a multi-line string
|
|
|
(u"2,", None),
|
|
|
(None, u"a = [1,\n2,"),
|
|
|
],
|
|
|
[(u"a = '''", None), # Test line continuation within a multi-line string
|
|
|
(u"abc\\", None),
|
|
|
(u"def", None),
|
|
|
(u"'''", u"a = '''\nabc\\\ndef\n'''"),
|
|
|
],
|
|
|
] + syntax_ml['multiline_datastructure']
|
|
|
for example in tests:
|
|
|
transform_checker(example, ipt.assemble_python_lines)
|
|
|
|
|
|
|
|
|
def test_help_end():
|
|
|
tt.check_pairs(transform_and_reset(ipt.help_end), syntax['end_help'])
|
|
|
|
|
|
def test_escaped_noesc():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_noesc'])
|
|
|
|
|
|
|
|
|
def test_escaped_shell():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_shell'])
|
|
|
|
|
|
|
|
|
def test_escaped_help():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_help'])
|
|
|
|
|
|
|
|
|
def test_escaped_magic():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_magic'])
|
|
|
|
|
|
|
|
|
def test_escaped_quote():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_quote'])
|
|
|
|
|
|
|
|
|
def test_escaped_quote2():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_quote2'])
|
|
|
|
|
|
|
|
|
def test_escaped_paren():
|
|
|
tt.check_pairs(transform_and_reset(ipt.escaped_commands), syntax['escaped_paren'])
|
|
|
|
|
|
|
|
|
def test_cellmagic():
|
|
|
for example in syntax_ml['cellmagic']:
|
|
|
transform_checker(example, ipt.cellmagic)
|
|
|
|
|
|
line_example = [(u'%%bar 123', None),
|
|
|
(u'hello', None),
|
|
|
(u'' , u_fmt("get_ipython().run_cell_magic({u}'bar', {u}'123', {u}'hello')")),
|
|
|
]
|
|
|
transform_checker(line_example, ipt.cellmagic, end_on_blank_line=True)
|
|
|
|
|
|
def test_has_comment():
|
|
|
tests = [('text', False),
|
|
|
('text #comment', True),
|
|
|
('text #comment\n', True),
|
|
|
('#comment', True),
|
|
|
('#comment\n', True),
|
|
|
('a = "#string"', False),
|
|
|
('a = "#string" # comment', True),
|
|
|
('a #comment not "string"', True),
|
|
|
]
|
|
|
tt.check_pairs(ipt.has_comment, tests)
|
|
|
|
|
|
@ipt.TokenInputTransformer.wrap
|
|
|
def decistmt(tokens):
|
|
|
"""Substitute Decimals for floats in a string of statements.
|
|
|
|
|
|
Based on an example from the tokenize module docs.
|
|
|
"""
|
|
|
result = []
|
|
|
for toknum, tokval, _, _, _ in tokens:
|
|
|
if toknum == tokenize.NUMBER and '.' in tokval: # replace NUMBER tokens
|
|
|
for newtok in [
|
|
|
(tokenize.NAME, 'Decimal'),
|
|
|
(tokenize.OP, '('),
|
|
|
(tokenize.STRING, repr(tokval)),
|
|
|
(tokenize.OP, ')')
|
|
|
]:
|
|
|
yield newtok
|
|
|
else:
|
|
|
yield (toknum, tokval)
|
|
|
|
|
|
|
|
|
|
|
|
def test_token_input_transformer():
|
|
|
tests = [(u'1.2', u_fmt(u"Decimal ({u}'1.2')")),
|
|
|
(u'"1.2"', u'"1.2"'),
|
|
|
]
|
|
|
tt.check_pairs(transform_and_reset(decistmt), tests)
|
|
|
ml_tests = \
|
|
|
[ [(u"a = 1.2; b = '''x", None),
|
|
|
(u"y'''", u_fmt(u"a =Decimal ({u}'1.2');b ='''x\ny'''")),
|
|
|
],
|
|
|
[(u"a = [1.2,", None),
|
|
|
(u"3]", u_fmt(u"a =[Decimal ({u}'1.2'),\n3 ]")),
|
|
|
],
|
|
|
[(u"a = '''foo", None), # Test resetting when within a multi-line string
|
|
|
(u"bar", None),
|
|
|
(None, u"a = '''foo\nbar"),
|
|
|
],
|
|
|
]
|
|
|
for example in ml_tests:
|
|
|
transform_checker(example, decistmt)
|
|
|
|
