def test_parser_simple(self):
parse_dict = RawRequirementParser().parse("numpy >= 1.3.0")
self.assertEqual(dict(parse_dict), {"numpy": [GEQ("1.3.0")]})
parse_dict = RawRequirementParser().parse("numpy <= 1.3.0")
self.assertEqual(dict(parse_dict), {"numpy": [LEQ("1.3.0")]})
parse_dict = RawRequirementParser().parse("numpy == 1.3.0")
self.assertEqual(dict(parse_dict), {"numpy": [Equal("1.3.0")]})
def test_parser_compounds(self):
parse_dict = RawRequirementParser().parse(
"numpy >= 1.3.0, numpy <= 2.0.0")
self.assertEqual(dict(parse_dict),
{"numpy": [
GEQ("1.3.0"),
LEQ("2.0.0"),
]})
parse_dict = RawRequirementParser().parse(
"numpy > 1.3.0, numpy < 2.0.0")
self.assertEqual(dict(parse_dict),
{"numpy": [
GT("1.3.0"),
LT("2.0.0"),
]})
def test_not_token(self):
r_tokens = [
DistributionNameToken("numpy"),
NotToken("!="),
VersionToken("1.3.0")
]
tokens = list(RawRequirementParser().tokenize("numpy != 1.3.0"))
self.assertEqual(tokens, r_tokens)
def requirement_string_to_php_constraints(req):
ret = []
parser = RawRequirementParser()
reqs = parser.parse(req).items()
if not len(reqs) == 1:
raise ValueError()
for name, constraints in reqs:
for constraint in constraints:
if isinstance(constraint, GEQ):
ret.append((">=", constraint.version))
elif isinstance(constraint, LT):
ret.append(("<", constraint.version))
elif isinstance(constraint, Any):
pass
else:
raise ValueError("Unsupported constraint: %s" % constraint)
return ret
class RequirementParser(object):
def __init__(self):
self._parser = RawRequirementParser()
def iter_parse(self, requirement_string):
for distribution_name, specs in self._parser.parse(
requirement_string).items():
yield Requirement(distribution_name, specs)
def parse(self, requirement_string):
return [r for r in self.iter_parse(requirement_string)]
def requirement_string_to_php_constraints(req):
ret = []
parser = RawRequirementParser()
reqs = parser.parse(req).items()
if not len(reqs) == 1:
raise ValueError()
for name, constraints in reqs:
for constraint in constraints:
if isinstance(constraint, GEQ):
ret.append((">=", constraint.version))
elif isinstance(constraint, LT):
ret.append(("<", constraint.version))
elif isinstance(constraint, Any):
pass
else:
raise ValueError("Unsupported constraint: %s" % constraint)
return ret
def test_lexer_simple(self):
r_tokens = [
DistributionNameToken("numpy"),
GEQToken(">="),
VersionToken("1.3.0")
]
tokens = list(RawRequirementParser().tokenize("numpy >= 1.3.0"))
self.assertEqual(tokens, r_tokens)
r_tokens = [
DistributionNameToken("numpy"),
LEQToken("<="),
VersionToken("1.3.0")
]
tokens = list(RawRequirementParser().tokenize("numpy <= 1.3.0"))
self.assertEqual(tokens, r_tokens)
r_tokens = [
DistributionNameToken("numpy"),
EqualToken("=="),
VersionToken("1.3.0")
]
tokens = list(RawRequirementParser().tokenize("numpy == 1.3.0"))
self.assertEqual(tokens, r_tokens)
r_tokens = [
DistributionNameToken("numpy"),
GTToken(">"),
VersionToken("1.3.0")
]
tokens = list(RawRequirementParser().tokenize("numpy > 1.3.0"))
self.assertEqual(tokens, r_tokens)
r_tokens = [
DistributionNameToken("numpy"),
LTToken("<"),
VersionToken("1.3.0")
]
tokens = list(RawRequirementParser().tokenize("numpy < 1.3.0"))
self.assertEqual(tokens, r_tokens)
def test_lexer_compounds(self):
r_tokens = [
DistributionNameToken("numpy"),
GEQToken(">="),
VersionToken("1.3.0"),
CommaToken(","),
DistributionNameToken("numpy"),
LEQToken("<="),
VersionToken("2.0.0")
]
tokens = list(
RawRequirementParser().tokenize("numpy >= 1.3.0, numpy <= 2.0.0"))
self.assertEqual(tokens, r_tokens)
def test_parser_glob(self):
parser = RawRequirementParser()
r_constraints = {"numpy": [GEQ("1.0.0"), LT("2.0.0")]}
self.assertEqual(parser.parse("numpy == 1.*"), r_constraints)
r_constraints = {"numpy": [GEQ("1.3.0"), LT("1.4.0")]}
parser = RawRequirementParser()
self.assertEqual(parser.parse("numpy == 1.3.*"), r_constraints)
self.assertRaises(NotImplementedError,
lambda: parser.parse("numpy == 1.*-build"))
self.assertRaises(NotImplementedError,
lambda: parser.parse("numpy == 1.0.0-b*"))
def test_parser_glob(self):
parser = RawRequirementParser()
r_constraints = {"numpy": [GEQ("1.0.0"), LT("2.0.0")]}
self.assertEqual(parser.parse("numpy == 1.*"), r_constraints)
r_constraints = {"numpy": [GEQ("1.3.0"), LT("1.4.0")]}
parser = RawRequirementParser()
self.assertEqual(parser.parse("numpy == 1.3.*"), r_constraints)
self.assertRaises(NotImplementedError, lambda : parser.parse("numpy == 1.*-build"))
self.assertRaises(NotImplementedError, lambda : parser.parse("numpy == 1.0.0-b*"))
def test_lexer_invalids(self):
parser = RawRequirementParser()
self.assertRaises(
DepSolverError,
lambda: parser.parse("numpy >= 1.2.3 | numpy <= 2.0.0"))
def test_parser_invalids(self):
parser = RawRequirementParser()
self.assertRaises(DepSolverError, lambda : parser.parse("numpy >= "))
def test_lexer_invalids(self):
parser = RawRequirementParser()
self.assertRaises(DepSolverError,
lambda : parser.parse("numpy >= 1.2.3 | numpy <= 2.0.0"))
def test_any_simple(self):
r_constraints = {"numpy": [Any()]}
parser = RawRequirementParser()
self.assertEqual(parser.parse("numpy *"), r_constraints)
def __init__(self):
self._parser = RawRequirementParser()
def test_parser_invalids(self):
parser = RawRequirementParser()
self.assertRaises(DepSolverError, lambda: parser.parse("numpy >= "))
def test_any_simple(self):
r_constraints = {"numpy": [Any()]}
parser = RawRequirementParser()
self.assertEqual(parser.parse("numpy *"), r_constraints)
