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-rw-r--r--semantic_version/base.py20
1 files changed, 18 insertions, 2 deletions
diff --git a/semantic_version/base.py b/semantic_version/base.py
index c81a3de..7451e14 100644
--- a/semantic_version/base.py
+++ b/semantic_version/base.py
@@ -398,11 +398,15 @@ class SpecItem(object):
KIND_LT = '<'
KIND_LTE = '<='
KIND_EQUAL = '=='
+ KIND_SHORTEQ = '='
+ KIND_EMPTY = ''
KIND_GTE = '>='
KIND_GT = '>'
KIND_NEQ = '!='
+ KIND_CARET = '^'
+ KIND_TILDE = '~'
- re_spec = re.compile(r'^(<|<=|==|>=|>|!=)(\d.*)$')
+ re_spec = re.compile(r'^(<|<=|={,2}|>=|>|!=|\^|~)(\d.*)$')
def __init__(self, requirement_string):
kind, spec = self.parse(requirement_string)
@@ -437,7 +441,7 @@ class SpecItem(object):
return version < self.spec
elif self.kind == self.KIND_LTE:
return version <= self.spec
- elif self.kind == self.KIND_EQUAL:
+ elif self.kind in [self.KIND_EQUAL, self.KIND_SHORTEQ, self.KIND_EMPTY]:
return version == self.spec
elif self.kind == self.KIND_GTE:
return version >= self.spec
@@ -445,9 +449,21 @@ class SpecItem(object):
return version > self.spec
elif self.kind == self.KIND_NEQ:
return version != self.spec
+ elif self.kind == self.KIND_CARET:
+ return self.caretCompare(version)
+ elif self.kind == self.KIND_TILDE:
+ return self.tildeCompare(version)
else: # pragma: no cover
raise ValueError('Unexpected match kind: %r' % self.kind)
+ def caretCompare(self, version):
+ max_version = version.next_major()
+ return version >= self.spec and version < max_version
+
+ def tildeCompare(self, version):
+ max_version = version.next_minor()
+ return version >= self.spec and version < max_version
+
def __str__(self):
return '%s%s' % (self.kind, self.spec)