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2254 lines (2008 loc) · 88.8 KB
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import collections
import configparser
import io
import os
import textwrap
import unittest
from test import support
from test.support import os_helper
class SortedDict(collections.UserDict):
def items(self):
return sorted(self.data.items())
def keys(self):
return sorted(self.data.keys())
def values(self):
return [i[1] for i in self.items()]
def iteritems(self):
return iter(self.items())
def iterkeys(self):
return iter(self.keys())
def itervalues(self):
return iter(self.values())
__iter__ = iterkeys
class CfgParserTestCaseClass:
allow_no_value = False
delimiters = ('=', ':')
comment_prefixes = (';', '#')
inline_comment_prefixes = (';', '#')
empty_lines_in_values = True
dict_type = configparser._default_dict
strict = False
default_section = configparser.DEFAULTSECT
interpolation = configparser._UNSET
def newconfig(self, defaults=None):
arguments = dict(
defaults=defaults,
allow_no_value=self.allow_no_value,
delimiters=self.delimiters,
comment_prefixes=self.comment_prefixes,
inline_comment_prefixes=self.inline_comment_prefixes,
empty_lines_in_values=self.empty_lines_in_values,
dict_type=self.dict_type,
strict=self.strict,
default_section=self.default_section,
interpolation=self.interpolation,
)
instance = self.config_class(**arguments)
return instance
def fromstring(self, string, defaults=None):
cf = self.newconfig(defaults)
cf.read_string(string)
return cf
class BasicTestCase(CfgParserTestCaseClass):
def basic_test(self, cf):
E = ['Commented Bar',
'Foo Bar',
'Internationalized Stuff',
'Long Line',
'Section\\with$weird%characters[\t',
'Spaces',
'Spacey Bar',
'Spacey Bar From The Beginning',
'Types',
'This One Has A ] In It',
]
if self.allow_no_value:
E.append('NoValue')
E.sort()
F = [('baz', 'qwe'), ('foo', 'bar3')]
# API access
L = cf.sections()
L.sort()
eq = self.assertEqual
eq(L, E)
L = cf.items('Spacey Bar From The Beginning')
L.sort()
eq(L, F)
# mapping access
L = [section for section in cf]
L.sort()
E.append(self.default_section)
E.sort()
eq(L, E)
L = cf['Spacey Bar From The Beginning'].items()
L = sorted(list(L))
eq(L, F)
L = cf.items()
L = sorted(list(L))
self.assertEqual(len(L), len(E))
for name, section in L:
eq(name, section.name)
eq(cf.defaults(), cf[self.default_section])
# The use of spaces in the section names serves as a
# regression test for SourceForge bug #583248:
# https://bugs.python.org/issue583248
# API access
eq(cf.get('Foo Bar', 'foo'), 'bar1')
eq(cf.get('Spacey Bar', 'foo'), 'bar2')
eq(cf.get('Spacey Bar From The Beginning', 'foo'), 'bar3')
eq(cf.get('Spacey Bar From The Beginning', 'baz'), 'qwe')
eq(cf.get('Commented Bar', 'foo'), 'bar4')
eq(cf.get('Commented Bar', 'baz'), 'qwe')
eq(cf.get('Spaces', 'key with spaces'), 'value')
eq(cf.get('Spaces', 'another with spaces'), 'splat!')
eq(cf.getint('Types', 'int'), 42)
eq(cf.get('Types', 'int'), "42")
self.assertAlmostEqual(cf.getfloat('Types', 'float'), 0.44)
eq(cf.get('Types', 'float'), "0.44")
eq(cf.getboolean('Types', 'boolean'), False)
eq(cf.get('Types', '123'), 'strange but acceptable')
eq(cf.get('This One Has A ] In It', 'forks'), 'spoons')
if self.allow_no_value:
eq(cf.get('NoValue', 'option-without-value'), None)
# test vars= and fallback=
eq(cf.get('Foo Bar', 'foo', fallback='baz'), 'bar1')
eq(cf.get('Foo Bar', 'foo', vars={'foo': 'baz'}), 'baz')
with self.assertRaises(configparser.NoSectionError):
cf.get('No Such Foo Bar', 'foo')
with self.assertRaises(configparser.NoOptionError):
cf.get('Foo Bar', 'no-such-foo')
eq(cf.get('No Such Foo Bar', 'foo', fallback='baz'), 'baz')
eq(cf.get('Foo Bar', 'no-such-foo', fallback='baz'), 'baz')
eq(cf.get('Spacey Bar', 'foo', fallback=None), 'bar2')
eq(cf.get('No Such Spacey Bar', 'foo', fallback=None), None)
eq(cf.getint('Types', 'int', fallback=18), 42)
eq(cf.getint('Types', 'no-such-int', fallback=18), 18)
eq(cf.getint('Types', 'no-such-int', fallback="18"), "18") # sic!
with self.assertRaises(configparser.NoOptionError):
cf.getint('Types', 'no-such-int')
self.assertAlmostEqual(cf.getfloat('Types', 'float',
fallback=0.0), 0.44)
self.assertAlmostEqual(cf.getfloat('Types', 'no-such-float',
fallback=0.0), 0.0)
eq(cf.getfloat('Types', 'no-such-float', fallback="0.0"), "0.0") # sic!
with self.assertRaises(configparser.NoOptionError):
cf.getfloat('Types', 'no-such-float')
eq(cf.getboolean('Types', 'boolean', fallback=True), False)
eq(cf.getboolean('Types', 'no-such-boolean', fallback="yes"),
"yes") # sic!
eq(cf.getboolean('Types', 'no-such-boolean', fallback=True), True)
with self.assertRaises(configparser.NoOptionError):
cf.getboolean('Types', 'no-such-boolean')
eq(cf.getboolean('No Such Types', 'boolean', fallback=True), True)
if self.allow_no_value:
eq(cf.get('NoValue', 'option-without-value', fallback=False), None)
eq(cf.get('NoValue', 'no-such-option-without-value',
fallback=False), False)
# mapping access
eq(cf['Foo Bar']['foo'], 'bar1')
eq(cf['Spacey Bar']['foo'], 'bar2')
section = cf['Spacey Bar From The Beginning']
eq(section.name, 'Spacey Bar From The Beginning')
self.assertIs(section.parser, cf)
with self.assertRaises(AttributeError):
section.name = 'Name is read-only'
with self.assertRaises(AttributeError):
section.parser = 'Parser is read-only'
eq(section['foo'], 'bar3')
eq(section['baz'], 'qwe')
eq(cf['Commented Bar']['foo'], 'bar4')
eq(cf['Commented Bar']['baz'], 'qwe')
eq(cf['Spaces']['key with spaces'], 'value')
eq(cf['Spaces']['another with spaces'], 'splat!')
eq(cf['Long Line']['foo'],
'this line is much, much longer than my editor\nlikes it.')
if self.allow_no_value:
eq(cf['NoValue']['option-without-value'], None)
# test vars= and fallback=
eq(cf['Foo Bar'].get('foo', 'baz'), 'bar1')
eq(cf['Foo Bar'].get('foo', fallback='baz'), 'bar1')
eq(cf['Foo Bar'].get('foo', vars={'foo': 'baz'}), 'baz')
with self.assertRaises(KeyError):
cf['No Such Foo Bar']['foo']
with self.assertRaises(KeyError):
cf['Foo Bar']['no-such-foo']
with self.assertRaises(KeyError):
cf['No Such Foo Bar'].get('foo', fallback='baz')
eq(cf['Foo Bar'].get('no-such-foo', 'baz'), 'baz')
eq(cf['Foo Bar'].get('no-such-foo', fallback='baz'), 'baz')
eq(cf['Foo Bar'].get('no-such-foo'), None)
eq(cf['Spacey Bar'].get('foo', None), 'bar2')
eq(cf['Spacey Bar'].get('foo', fallback=None), 'bar2')
with self.assertRaises(KeyError):
cf['No Such Spacey Bar'].get('foo', None)
eq(cf['Types'].getint('int', 18), 42)
eq(cf['Types'].getint('int', fallback=18), 42)
eq(cf['Types'].getint('no-such-int', 18), 18)
eq(cf['Types'].getint('no-such-int', fallback=18), 18)
eq(cf['Types'].getint('no-such-int', "18"), "18") # sic!
eq(cf['Types'].getint('no-such-int', fallback="18"), "18") # sic!
eq(cf['Types'].getint('no-such-int'), None)
self.assertAlmostEqual(cf['Types'].getfloat('float', 0.0), 0.44)
self.assertAlmostEqual(cf['Types'].getfloat('float',
fallback=0.0), 0.44)
self.assertAlmostEqual(cf['Types'].getfloat('no-such-float', 0.0), 0.0)
self.assertAlmostEqual(cf['Types'].getfloat('no-such-float',
fallback=0.0), 0.0)
eq(cf['Types'].getfloat('no-such-float', "0.0"), "0.0") # sic!
eq(cf['Types'].getfloat('no-such-float', fallback="0.0"), "0.0") # sic!
eq(cf['Types'].getfloat('no-such-float'), None)
eq(cf['Types'].getboolean('boolean', True), False)
eq(cf['Types'].getboolean('boolean', fallback=True), False)
eq(cf['Types'].getboolean('no-such-boolean', "yes"), "yes") # sic!
eq(cf['Types'].getboolean('no-such-boolean', fallback="yes"),
"yes") # sic!
eq(cf['Types'].getboolean('no-such-boolean', True), True)
eq(cf['Types'].getboolean('no-such-boolean', fallback=True), True)
eq(cf['Types'].getboolean('no-such-boolean'), None)
if self.allow_no_value:
eq(cf['NoValue'].get('option-without-value', False), None)
eq(cf['NoValue'].get('option-without-value', fallback=False), None)
eq(cf['NoValue'].get('no-such-option-without-value', False), False)
eq(cf['NoValue'].get('no-such-option-without-value',
fallback=False), False)
# Make sure the right things happen for remove_section() and
# remove_option(); added to include check for SourceForge bug #123324.
cf[self.default_section]['this_value'] = '1'
cf[self.default_section]['that_value'] = '2'
# API access
self.assertTrue(cf.remove_section('Spaces'))
self.assertFalse(cf.has_option('Spaces', 'key with spaces'))
self.assertFalse(cf.remove_section('Spaces'))
self.assertFalse(cf.remove_section(self.default_section))
self.assertTrue(cf.remove_option('Foo Bar', 'foo'),
"remove_option() failed to report existence of option")
self.assertFalse(cf.has_option('Foo Bar', 'foo'),
"remove_option() failed to remove option")
self.assertFalse(cf.remove_option('Foo Bar', 'foo'),
"remove_option() failed to report non-existence of option"
" that was removed")
self.assertTrue(cf.has_option('Foo Bar', 'this_value'))
self.assertFalse(cf.remove_option('Foo Bar', 'this_value'))
self.assertTrue(cf.remove_option(self.default_section, 'this_value'))
self.assertFalse(cf.has_option('Foo Bar', 'this_value'))
self.assertFalse(cf.remove_option(self.default_section, 'this_value'))
with self.assertRaises(configparser.NoSectionError) as cm:
cf.remove_option('No Such Section', 'foo')
self.assertEqual(cm.exception.args, ('No Such Section',))
eq(cf.get('Long Line', 'foo'),
'this line is much, much longer than my editor\nlikes it.')
# mapping access
del cf['Types']
self.assertFalse('Types' in cf)
with self.assertRaises(KeyError):
del cf['Types']
with self.assertRaises(ValueError):
del cf[self.default_section]
del cf['Spacey Bar']['foo']
self.assertFalse('foo' in cf['Spacey Bar'])
with self.assertRaises(KeyError):
del cf['Spacey Bar']['foo']
self.assertTrue('that_value' in cf['Spacey Bar'])
with self.assertRaises(KeyError):
del cf['Spacey Bar']['that_value']
del cf[self.default_section]['that_value']
self.assertFalse('that_value' in cf['Spacey Bar'])
with self.assertRaises(KeyError):
del cf[self.default_section]['that_value']
with self.assertRaises(KeyError):
del cf['No Such Section']['foo']
# Don't add new asserts below in this method as most of the options
# and sections are now removed.
def test_basic(self):
config_string = """\
[Foo Bar]
foo{0[0]}bar1
[Spacey Bar]
foo {0[0]} bar2
[Spacey Bar From The Beginning]
foo {0[0]} bar3
baz {0[0]} qwe
[Commented Bar]
foo{0[1]} bar4 {1[1]} comment
baz{0[0]}qwe {1[0]}another one
[Long Line]
foo{0[1]} this line is much, much longer than my editor
likes it.
[Section\\with$weird%characters[\t]
[Internationalized Stuff]
foo[bg]{0[1]} Bulgarian
foo{0[0]}Default
foo[en]{0[0]}English
foo[de]{0[0]}Deutsch
[Spaces]
key with spaces {0[1]} value
another with spaces {0[0]} splat!
[Types]
int {0[1]} 42
float {0[0]} 0.44
boolean {0[0]} NO
123 {0[1]} strange but acceptable
[This One Has A ] In It]
forks {0[0]} spoons
""".format(self.delimiters, self.comment_prefixes)
if self.allow_no_value:
config_string += (
"[NoValue]\n"
"option-without-value\n"
)
cf = self.fromstring(config_string)
self.basic_test(cf)
if self.strict:
with self.assertRaises(configparser.DuplicateOptionError):
cf.read_string(textwrap.dedent("""\
[Duplicate Options Here]
option {0[0]} with a value
option {0[1]} with another value
""".format(self.delimiters)))
with self.assertRaises(configparser.DuplicateSectionError):
cf.read_string(textwrap.dedent("""\
[And Now For Something]
completely different {0[0]} True
[And Now For Something]
the larch {0[1]} 1
""".format(self.delimiters)))
else:
cf.read_string(textwrap.dedent("""\
[Duplicate Options Here]
option {0[0]} with a value
option {0[1]} with another value
""".format(self.delimiters)))
cf.read_string(textwrap.dedent("""\
[And Now For Something]
completely different {0[0]} True
[And Now For Something]
the larch {0[1]} 1
""".format(self.delimiters)))
def test_basic_from_dict(self):
config = {
"Foo Bar": {
"foo": "bar1",
},
"Spacey Bar": {
"foo": "bar2",
},
"Spacey Bar From The Beginning": {
"foo": "bar3",
"baz": "qwe",
},
"Commented Bar": {
"foo": "bar4",
"baz": "qwe",
},
"Long Line": {
"foo": "this line is much, much longer than my editor\nlikes "
"it.",
},
"Section\\with$weird%characters[\t": {
},
"Internationalized Stuff": {
"foo[bg]": "Bulgarian",
"foo": "Default",
"foo[en]": "English",
"foo[de]": "Deutsch",
},
"Spaces": {
"key with spaces": "value",
"another with spaces": "splat!",
},
"Types": {
"int": 42,
"float": 0.44,
"boolean": False,
123: "strange but acceptable",
},
"This One Has A ] In It": {
"forks": "spoons"
},
}
if self.allow_no_value:
config.update({
"NoValue": {
"option-without-value": None,
}
})
cf = self.newconfig()
cf.read_dict(config)
self.basic_test(cf)
if self.strict:
with self.assertRaises(configparser.DuplicateSectionError):
cf.read_dict({
'1': {'key': 'value'},
1: {'key2': 'value2'},
})
with self.assertRaises(configparser.DuplicateOptionError):
cf.read_dict({
"Duplicate Options Here": {
'option': 'with a value',
'OPTION': 'with another value',
},
})
else:
cf.read_dict({
'section': {'key': 'value'},
'SECTION': {'key2': 'value2'},
})
cf.read_dict({
"Duplicate Options Here": {
'option': 'with a value',
'OPTION': 'with another value',
},
})
def test_case_sensitivity(self):
cf = self.newconfig()
cf.add_section("A")
cf.add_section("a")
cf.add_section("B")
L = cf.sections()
L.sort()
eq = self.assertEqual
eq(L, ["A", "B", "a"])
cf.set("a", "B", "value")
eq(cf.options("a"), ["b"])
eq(cf.get("a", "b"), "value",
"could not locate option, expecting case-insensitive option names")
with self.assertRaises(configparser.NoSectionError):
# section names are case-sensitive
cf.set("b", "A", "value")
self.assertTrue(cf.has_option("a", "b"))
self.assertFalse(cf.has_option("b", "b"))
cf.set("A", "A-B", "A-B value")
for opt in ("a-b", "A-b", "a-B", "A-B"):
self.assertTrue(
cf.has_option("A", opt),
"has_option() returned false for option which should exist")
eq(cf.options("A"), ["a-b"])
eq(cf.options("a"), ["b"])
cf.remove_option("a", "B")
eq(cf.options("a"), [])
# SF bug #432369:
cf = self.fromstring(
"[MySection]\nOption{} first line \n\tsecond line \n".format(
self.delimiters[0]))
eq(cf.options("MySection"), ["option"])
eq(cf.get("MySection", "Option"), "first line\nsecond line")
# SF bug #561822:
cf = self.fromstring("[section]\n"
"nekey{}nevalue\n".format(self.delimiters[0]),
defaults={"key":"value"})
self.assertTrue(cf.has_option("section", "Key"))
def test_case_sensitivity_mapping_access(self):
cf = self.newconfig()
cf["A"] = {}
cf["a"] = {"B": "value"}
cf["B"] = {}
L = [section for section in cf]
L.sort()
eq = self.assertEqual
elem_eq = self.assertCountEqual
eq(L, sorted(["A", "B", self.default_section, "a"]))
eq(cf["a"].keys(), {"b"})
eq(cf["a"]["b"], "value",
"could not locate option, expecting case-insensitive option names")
with self.assertRaises(KeyError):
# section names are case-sensitive
cf["b"]["A"] = "value"
self.assertTrue("b" in cf["a"])
cf["A"]["A-B"] = "A-B value"
for opt in ("a-b", "A-b", "a-B", "A-B"):
self.assertTrue(
opt in cf["A"],
"has_option() returned false for option which should exist")
eq(cf["A"].keys(), {"a-b"})
eq(cf["a"].keys(), {"b"})
del cf["a"]["B"]
elem_eq(cf["a"].keys(), {})
# SF bug #432369:
cf = self.fromstring(
"[MySection]\nOption{} first line \n\tsecond line \n".format(
self.delimiters[0]))
eq(cf["MySection"].keys(), {"option"})
eq(cf["MySection"]["Option"], "first line\nsecond line")
# SF bug #561822:
cf = self.fromstring("[section]\n"
"nekey{}nevalue\n".format(self.delimiters[0]),
defaults={"key":"value"})
self.assertTrue("Key" in cf["section"])
def test_default_case_sensitivity(self):
cf = self.newconfig({"foo": "Bar"})
self.assertEqual(
cf.get(self.default_section, "Foo"), "Bar",
"could not locate option, expecting case-insensitive option names")
cf = self.newconfig({"Foo": "Bar"})
self.assertEqual(
cf.get(self.default_section, "Foo"), "Bar",
"could not locate option, expecting case-insensitive defaults")
def test_parse_errors(self):
cf = self.newconfig()
self.parse_error(cf, configparser.ParsingError,
"[Foo]\n"
"{}val-without-opt-name\n".format(self.delimiters[0]))
self.parse_error(cf, configparser.ParsingError,
"[Foo]\n"
"{}val-without-opt-name\n".format(self.delimiters[1]))
e = self.parse_error(cf, configparser.MissingSectionHeaderError,
"No Section!\n")
self.assertEqual(e.args, ('<???>', 1, "No Section!\n"))
if not self.allow_no_value:
e = self.parse_error(cf, configparser.ParsingError,
"[Foo]\n wrong-indent\n")
self.assertEqual(e.args, ('<???>',))
# read_file on a real file
tricky = support.findfile("cfgparser.3", subdir="configdata")
if self.delimiters[0] == '=':
error = configparser.ParsingError
expected = (tricky,)
else:
error = configparser.MissingSectionHeaderError
expected = (tricky, 1,
' # INI with as many tricky parts as possible\n')
with open(tricky, encoding='utf-8') as f:
e = self.parse_error(cf, error, f)
self.assertEqual(e.args, expected)
def parse_error(self, cf, exc, src):
if hasattr(src, 'readline'):
sio = src
else:
sio = io.StringIO(src)
with self.assertRaises(exc) as cm:
cf.read_file(sio)
return cm.exception
def test_query_errors(self):
cf = self.newconfig()
self.assertEqual(cf.sections(), [],
"new ConfigParser should have no defined sections")
self.assertFalse(cf.has_section("Foo"),
"new ConfigParser should have no acknowledged "
"sections")
with self.assertRaises(configparser.NoSectionError):
cf.options("Foo")
with self.assertRaises(configparser.NoSectionError):
cf.set("foo", "bar", "value")
e = self.get_error(cf, configparser.NoSectionError, "foo", "bar")
self.assertEqual(e.args, ("foo",))
cf.add_section("foo")
e = self.get_error(cf, configparser.NoOptionError, "foo", "bar")
self.assertEqual(e.args, ("bar", "foo"))
def get_error(self, cf, exc, section, option):
try:
cf.get(section, option)
except exc as e:
return e
else:
self.fail("expected exception type %s.%s"
% (exc.__module__, exc.__qualname__))
def test_boolean(self):
cf = self.fromstring(
"[BOOLTEST]\n"
"T1{equals}1\n"
"T2{equals}TRUE\n"
"T3{equals}True\n"
"T4{equals}oN\n"
"T5{equals}yes\n"
"F1{equals}0\n"
"F2{equals}FALSE\n"
"F3{equals}False\n"
"F4{equals}oFF\n"
"F5{equals}nO\n"
"E1{equals}2\n"
"E2{equals}foo\n"
"E3{equals}-1\n"
"E4{equals}0.1\n"
"E5{equals}FALSE AND MORE".format(equals=self.delimiters[0])
)
for x in range(1, 5):
self.assertTrue(cf.getboolean('BOOLTEST', 't%d' % x))
self.assertFalse(cf.getboolean('BOOLTEST', 'f%d' % x))
self.assertRaises(ValueError,
cf.getboolean, 'BOOLTEST', 'e%d' % x)
def test_weird_errors(self):
cf = self.newconfig()
cf.add_section("Foo")
with self.assertRaises(configparser.DuplicateSectionError) as cm:
cf.add_section("Foo")
e = cm.exception
self.assertEqual(str(e), "Section 'Foo' already exists")
self.assertEqual(e.args, ("Foo", None, None))
if self.strict:
with self.assertRaises(configparser.DuplicateSectionError) as cm:
cf.read_string(textwrap.dedent("""\
[Foo]
will this be added{equals}True
[Bar]
what about this{equals}True
[Foo]
oops{equals}this won't
""".format(equals=self.delimiters[0])), source='<foo-bar>')
e = cm.exception
self.assertEqual(str(e), "While reading from '<foo-bar>' "
"[line 5]: section 'Foo' already exists")
self.assertEqual(e.args, ("Foo", '<foo-bar>', 5))
with self.assertRaises(configparser.DuplicateOptionError) as cm:
cf.read_dict({'Bar': {'opt': 'val', 'OPT': 'is really `opt`'}})
e = cm.exception
self.assertEqual(str(e), "While reading from '<dict>': option "
"'opt' in section 'Bar' already exists")
self.assertEqual(e.args, ("Bar", "opt", "<dict>", None))
def test_get_after_duplicate_option_error(self):
cf = self.newconfig()
ini = textwrap.dedent("""\
[Foo]
x{equals}1
y{equals}2
y{equals}3
""".format(equals=self.delimiters[0]))
if self.strict:
with self.assertRaises(configparser.DuplicateOptionError):
cf.read_string(ini)
else:
cf.read_string(ini)
self.assertEqual(cf.get('Foo', 'x'), '1')
def test_write(self):
config_string = (
"[Long Line]\n"
"foo{0[0]} this line is much, much longer than my editor\n"
" likes it.\n"
"[{default_section}]\n"
"foo{0[1]} another very\n"
" long line\n"
"[Long Line - With Comments!]\n"
"test {0[1]} we {comment} can\n"
" also {comment} place\n"
" comments {comment} in\n"
" multiline {comment} values"
"\n".format(self.delimiters, comment=self.comment_prefixes[0],
default_section=self.default_section)
)
if self.allow_no_value:
config_string += (
"[Valueless]\n"
"option-without-value\n"
)
cf = self.fromstring(config_string)
for space_around_delimiters in (True, False):
output = io.StringIO()
cf.write(output, space_around_delimiters=space_around_delimiters)
delimiter = self.delimiters[0]
if space_around_delimiters:
delimiter = " {} ".format(delimiter)
expect_string = (
"[{default_section}]\n"
"foo{equals}another very\n"
"\tlong line\n"
"\n"
"[Long Line]\n"
"foo{equals}this line is much, much longer than my editor\n"
"\tlikes it.\n"
"\n"
"[Long Line - With Comments!]\n"
"test{equals}we\n"
"\talso\n"
"\tcomments\n"
"\tmultiline\n"
"\n".format(equals=delimiter,
default_section=self.default_section)
)
if self.allow_no_value:
expect_string += (
"[Valueless]\n"
"option-without-value\n"
"\n"
)
self.assertEqual(output.getvalue(), expect_string)
def test_set_string_types(self):
cf = self.fromstring("[sect]\n"
"option1{eq}foo\n".format(eq=self.delimiters[0]))
# Check that we don't get an exception when setting values in
# an existing section using strings:
class mystr(str):
pass
cf.set("sect", "option1", "splat")
cf.set("sect", "option1", mystr("splat"))
cf.set("sect", "option2", "splat")
cf.set("sect", "option2", mystr("splat"))
cf.set("sect", "option1", "splat")
cf.set("sect", "option2", "splat")
def test_read_returns_file_list(self):
if self.delimiters[0] != '=':
self.skipTest('incompatible format')
file1 = support.findfile("cfgparser.1", subdir="configdata")
# check when we pass a mix of readable and non-readable files:
cf = self.newconfig()
parsed_files = cf.read([file1, "nonexistent-file"], encoding="utf-8")
self.assertEqual(parsed_files, [file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we pass only a filename:
cf = self.newconfig()
parsed_files = cf.read(file1, encoding="utf-8")
self.assertEqual(parsed_files, [file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we pass only a Path object:
cf = self.newconfig()
parsed_files = cf.read(os_helper.FakePath(file1), encoding="utf-8")
self.assertEqual(parsed_files, [file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we passed both a filename and a Path object:
cf = self.newconfig()
parsed_files = cf.read([os_helper.FakePath(file1), file1], encoding="utf-8")
self.assertEqual(parsed_files, [file1, file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we pass only missing files:
cf = self.newconfig()
parsed_files = cf.read(["nonexistent-file"], encoding="utf-8")
self.assertEqual(parsed_files, [])
# check when we pass no files:
cf = self.newconfig()
parsed_files = cf.read([], encoding="utf-8")
self.assertEqual(parsed_files, [])
def test_read_returns_file_list_with_bytestring_path(self):
if self.delimiters[0] != '=':
self.skipTest('incompatible format')
file1_bytestring = support.findfile("cfgparser.1", subdir="configdata").encode()
# check when passing an existing bytestring path
cf = self.newconfig()
parsed_files = cf.read(file1_bytestring, encoding="utf-8")
self.assertEqual(parsed_files, [file1_bytestring])
# check when passing an non-existing bytestring path
cf = self.newconfig()
parsed_files = cf.read(b'nonexistent-file', encoding="utf-8")
self.assertEqual(parsed_files, [])
# check when passing both an existing and non-existing bytestring path
cf = self.newconfig()
parsed_files = cf.read([file1_bytestring, b'nonexistent-file'], encoding="utf-8")
self.assertEqual(parsed_files, [file1_bytestring])
# shared by subclasses
def get_interpolation_config(self):
return self.fromstring(
"[Foo]\n"
"bar{equals}something %(with1)s interpolation (1 step)\n"
"bar9{equals}something %(with9)s lots of interpolation (9 steps)\n"
"bar10{equals}something %(with10)s lots of interpolation (10 steps)\n"
"bar11{equals}something %(with11)s lots of interpolation (11 steps)\n"
"with11{equals}%(with10)s\n"
"with10{equals}%(with9)s\n"
"with9{equals}%(with8)s\n"
"with8{equals}%(With7)s\n"
"with7{equals}%(WITH6)s\n"
"with6{equals}%(with5)s\n"
"With5{equals}%(with4)s\n"
"WITH4{equals}%(with3)s\n"
"with3{equals}%(with2)s\n"
"with2{equals}%(with1)s\n"
"with1{equals}with\n"
"\n"
"[Mutual Recursion]\n"
"foo{equals}%(bar)s\n"
"bar{equals}%(foo)s\n"
"\n"
"[Interpolation Error]\n"
# no definition for 'reference'
"name{equals}%(reference)s\n".format(equals=self.delimiters[0]))
def check_items_config(self, expected):
cf = self.fromstring("""
[section]
name {0[0]} %(value)s
key{0[1]} |%(name)s|
getdefault{0[1]} |%(default)s|
""".format(self.delimiters), defaults={"default": "<default>"})
L = list(cf.items("section", vars={'value': 'value'}))
L.sort()
self.assertEqual(L, expected)
with self.assertRaises(configparser.NoSectionError):
cf.items("no such section")
def test_popitem(self):
cf = self.fromstring("""
[section1]
name1 {0[0]} value1
[section2]
name2 {0[0]} value2
[section3]
name3 {0[0]} value3
""".format(self.delimiters), defaults={"default": "<default>"})
self.assertEqual(cf.popitem()[0], 'section1')
self.assertEqual(cf.popitem()[0], 'section2')
self.assertEqual(cf.popitem()[0], 'section3')
with self.assertRaises(KeyError):
cf.popitem()
def test_clear(self):
cf = self.newconfig({"foo": "Bar"})
self.assertEqual(
cf.get(self.default_section, "Foo"), "Bar",
"could not locate option, expecting case-insensitive option names")
cf['zing'] = {'option1': 'value1', 'option2': 'value2'}
self.assertEqual(cf.sections(), ['zing'])
self.assertEqual(set(cf['zing'].keys()), {'option1', 'option2', 'foo'})
cf.clear()
self.assertEqual(set(cf.sections()), set())
self.assertEqual(set(cf[self.default_section].keys()), {'foo'})
def test_setitem(self):
cf = self.fromstring("""
[section1]
name1 {0[0]} value1
[section2]
name2 {0[0]} value2
[section3]
name3 {0[0]} value3
""".format(self.delimiters), defaults={"nameD": "valueD"})
self.assertEqual(set(cf['section1'].keys()), {'name1', 'named'})
self.assertEqual(set(cf['section2'].keys()), {'name2', 'named'})
self.assertEqual(set(cf['section3'].keys()), {'name3', 'named'})
self.assertEqual(cf['section1']['name1'], 'value1')
self.assertEqual(cf['section2']['name2'], 'value2')
self.assertEqual(cf['section3']['name3'], 'value3')
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
cf['section2'] = {'name22': 'value22'}
self.assertEqual(set(cf['section2'].keys()), {'name22', 'named'})
self.assertEqual(cf['section2']['name22'], 'value22')
self.assertNotIn('name2', cf['section2'])
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
cf['section3'] = {}
self.assertEqual(set(cf['section3'].keys()), {'named'})
self.assertNotIn('name3', cf['section3'])
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
# For bpo-32108, assigning default_section to itself.
cf[self.default_section] = cf[self.default_section]
self.assertNotEqual(set(cf[self.default_section].keys()), set())
cf[self.default_section] = {}
self.assertEqual(set(cf[self.default_section].keys()), set())
self.assertEqual(set(cf['section1'].keys()), {'name1'})
self.assertEqual(set(cf['section2'].keys()), {'name22'})
self.assertEqual(set(cf['section3'].keys()), set())
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
# For bpo-32108, assigning section to itself.
cf['section2'] = cf['section2']
self.assertEqual(set(cf['section2'].keys()), {'name22'})
def test_invalid_multiline_value(self):
if self.allow_no_value:
self.skipTest('if no_value is allowed, ParsingError is not raised')
invalid = textwrap.dedent("""\
[DEFAULT]
test {0} test
invalid""".format(self.delimiters[0])
)
cf = self.newconfig()
with self.assertRaises(configparser.ParsingError):
cf.read_string(invalid)
self.assertEqual(cf.get('DEFAULT', 'test'), 'test')
self.assertEqual(cf['DEFAULT']['test'], 'test')
class StrictTestCase(BasicTestCase, unittest.TestCase):
config_class = configparser.RawConfigParser
strict = True
class ConfigParserTestCase(BasicTestCase, unittest.TestCase):
config_class = configparser.ConfigParser
def test_interpolation(self):
cf = self.get_interpolation_config()
eq = self.assertEqual
eq(cf.get("Foo", "bar"), "something with interpolation (1 step)")
eq(cf.get("Foo", "bar9"),
"something with lots of interpolation (9 steps)")
eq(cf.get("Foo", "bar10"),
"something with lots of interpolation (10 steps)")
e = self.get_error(cf, configparser.InterpolationDepthError, "Foo", "bar11")
if self.interpolation == configparser._UNSET:
self.assertEqual(e.args, ("bar11", "Foo",
"something %(with11)s lots of interpolation (11 steps)"))
def test_interpolation_missing_value(self):
cf = self.get_interpolation_config()
e = self.get_error(cf, configparser.InterpolationMissingOptionError,
"Interpolation Error", "name")
self.assertEqual(e.reference, "reference")
self.assertEqual(e.section, "Interpolation Error")
self.assertEqual(e.option, "name")
if self.interpolation == configparser._UNSET:
self.assertEqual(e.args, ('name', 'Interpolation Error',
'%(reference)s', 'reference'))
def test_items(self):
self.check_items_config([('default', '<default>'),
('getdefault', '|<default>|'),
('key', '|value|'),
('name', 'value')])
def test_safe_interpolation(self):
# See https://bugs.python.org/issue511737
cf = self.fromstring("[section]\n"
"option1{eq}xxx\n"
"option2{eq}%(option1)s/xxx\n"
"ok{eq}%(option1)s/%%s\n"
"not_ok{eq}%(option2)s/%%s".format(
eq=self.delimiters[0]))
self.assertEqual(cf.get("section", "ok"), "xxx/%s")
if self.interpolation == configparser._UNSET:
self.assertEqual(cf.get("section", "not_ok"), "xxx/xxx/%s")
def test_set_malformatted_interpolation(self):
cf = self.fromstring("[sect]\n"
"option1{eq}foo\n".format(eq=self.delimiters[0]))
self.assertEqual(cf.get('sect', "option1"), "foo")
self.assertRaises(ValueError, cf.set, "sect", "option1", "%foo")
self.assertRaises(ValueError, cf.set, "sect", "option1", "foo%")
self.assertRaises(ValueError, cf.set, "sect", "option1", "f%oo")
self.assertEqual(cf.get('sect', "option1"), "foo")
# bug #5741: double percents are *not* malformed
cf.set("sect", "option2", "foo%%bar")
self.assertEqual(cf.get("sect", "option2"), "foo%bar")
def test_set_nonstring_types(self):
cf = self.fromstring("[sect]\n"
"option1{eq}foo\n".format(eq=self.delimiters[0]))
# Check that we get a TypeError when setting non-string values
# in an existing section:
self.assertRaises(TypeError, cf.set, "sect", "option1", 1)
self.assertRaises(TypeError, cf.set, "sect", "option1", 1.0)
self.assertRaises(TypeError, cf.set, "sect", "option1", object())
self.assertRaises(TypeError, cf.set, "sect", "option2", 1)
self.assertRaises(TypeError, cf.set, "sect", "option2", 1.0)
self.assertRaises(TypeError, cf.set, "sect", "option2", object())
self.assertRaises(TypeError, cf.set, "sect", 123, "invalid opt name!")
self.assertRaises(TypeError, cf.add_section, 123)
def test_add_section_default(self):
cf = self.newconfig()
self.assertRaises(ValueError, cf.add_section, self.default_section)
def test_defaults_keyword(self):
"""bpo-23835 fix for ConfigParser"""
cf = self.newconfig(defaults={1: 2.5})
self.assertEqual(cf[self.default_section]['1'], '2.5')
self.assertAlmostEqual(cf[self.default_section].getfloat('1'), 2.5)
cf = self.newconfig(defaults={"A": 5.25})
self.assertEqual(cf[self.default_section]['a'], '5.25')
self.assertAlmostEqual(cf[self.default_section].getfloat('a'), 5.25)
class ConfigParserTestCaseNoInterpolation(BasicTestCase, unittest.TestCase):
config_class = configparser.ConfigParser
interpolation = None
ini = textwrap.dedent("""