def parse(self, spec):
"""Parse a spec string into a populated Spec instance.
Raise BadSpecError if couldn't parse.
"""
if os.sep in spec:
# This is a local thing, let's see what
if os.path.isdir(spec):
return Spec(dirname=spec)
elif os.path.exists(spec):
return Spec(filename=spec)
else:
raise ResourceNotFound(_("cannot find '%s'") % spec)
# split operator/version and name
m = re.match(r'(.+?)(?:(==|=|>=|>|<=|<)(.*))?$', spec)
if m is None:
raise BadSpecError(
_("bad format for version specification: '%s'"), spec)
name = Term(m.group(1))
op = m.group(2)
if op == '=':
op = '=='
if op is not None:
ver = SemVer.clean(m.group(3))
else:
ver = None
return Spec(name, op, ver)
def parse(self, spec):
"""Parse a spec string into a populated Spec instance.
Raise BadSpecError if couldn't parse.
"""
# check if it's a network resource
if spec.startswith('http://') or spec.startswith('https://'):
return Spec(url=spec)
# check if it's a local resource
if spec.startswith('file://'):
try_file = unquote_plus(spec[len('file://') :])
elif os.sep in spec:
try_file = spec
else:
try_file = None
if try_file:
# This is a local thing, let's see what
if os.path.isdir(try_file):
return Spec(dirname=try_file)
elif os.path.exists(try_file):
return Spec(filename=try_file)
else:
raise ResourceNotFound(_("cannot find '%s'") % try_file)
# so we think it's a PGXN spec
# split operator/version and name
m = re.match(r'(.+?)(?:(==|=|>=|>|<=|<)(.*))?$', spec)
if m is None:
raise BadSpecError(
_("bad format for version specification: '%s'"), spec
)
name = Term(m.group(1))
op = m.group(2)
if op == '=':
op = '=='
if op is not None:
ver = SemVer.clean(m.group(3))
else:
ver = None
return Spec(name, op, ver)
def parse(self, spec):
"""Parse a spec string into a populated Spec instance.
Raise BadSpecError if couldn't parse.
"""
# check if it's a network resource
if spec.startswith('http://') or spec.startswith('https://'):
return Spec(url=spec)
# check if it's a local resource
if spec.startswith('file://'):
try_file = urllib.unquote_plus(spec[len('file://'):])
elif os.sep in spec:
try_file = spec
else:
try_file = None
if try_file:
# This is a local thing, let's see what
if os.path.isdir(try_file):
return Spec(dirname=try_file)
elif os.path.exists(try_file):
return Spec(filename=try_file)
else:
raise ResourceNotFound(_("cannot find '%s'") % try_file)
# so we think it's a PGXN spec
# split operator/version and name
m = re.match(r'(.+?)(?:(==|=|>=|>|<=|<)(.*))?$', spec)
if m is None:
raise BadSpecError(_("bad format for version specification: '%s'"),
spec)
name = Term(m.group(1))
op = m.group(2)
if op == '=':
op = '=='
if op is not None:
ver = SemVer.clean(m.group(3))
else:
ver = None
return Spec(name, op, ver)
