/usr/lib/python2.7/dist-packages/jsonpath_rw_ext/_string.py is in python-jsonpath-rw-ext 0.1.9-2.
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import re
import jsonpath_rw
SUB = re.compile("sub\(/(.*)/,\s+(.*)\)")
SPLIT = re.compile("split\((.),\s+(\d+),\s+(\d+|-1)\)")
class DefintionInvalid(Exception):
pass
class Sub(jsonpath_rw.This):
"""Regex subtituor
Concrete syntax is '`sub(/regex/, repl)`'
"""
def __init__(self, method=None):
m = SUB.match(method)
if m is None:
raise DefintionInvalid("%s is not valid" % method)
self.expr = m.group(1).strip()
self.repl = m.group(2).strip()
self.regex = re.compile(self.expr)
self.method = method
print("%r" % self)
def find(self, datum):
datum = jsonpath_rw.DatumInContext.wrap(datum)
value = self.regex.sub(self.repl, datum.value)
if value == datum.value:
return []
else:
return [jsonpath_rw.DatumInContext.wrap(value)]
def __eq__(self, other):
return (isinstance(other, Sub) and self.method == other.method)
def __repr__(self):
return '%s(%r)' % (self.__class__.__name__, self.method)
def __str__(self):
return '`sub(/%s/, %s)`' % (self.expr, self.repl)
class Split(jsonpath_rw.This):
"""String splitter
Concrete syntax is '`split(char, segment, max_split)`'
"""
def __init__(self, method=None):
m = SPLIT.match(method)
if m is None:
raise DefintionInvalid("%s is not valid" % method)
self.char = m.group(1)
self.segment = int(m.group(2))
self.max_split = int(m.group(3))
self.method = method
def find(self, datum):
datum = jsonpath_rw.DatumInContext.wrap(datum)
try:
value = datum.value.split(self.char, self.max_split)[self.segment]
except Exception:
return []
return [jsonpath_rw.DatumInContext.wrap(value)]
def __eq__(self, other):
return (isinstance(other, Sub) and self.method == other.method)
def __repr__(self):
return '%s(%r)' % (self.__class__.__name__, self.method)
def __str__(self):
return '`%s`' % self.method
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