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#!/usr/bin/env python
'''
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you 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 os
import re
import time
#Apache License Header
ASF_LICENSE_HEADER = '''
# Copyright 2011 The Apache Software Foundation
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
'''
# A Python replacement for java.util.Properties
# Based on http://code.activestate.com/recipes
# /496795-a-python-replacement-for-javautilproperties/
class Properties(object):
def __init__(self, props=None):
self._props = {}
self._origprops = {}
self._keymap = {}
self.othercharre = re.compile(r'(?<!\\)(\s*\=)|(?<!\\)(\s*\:)')
self.othercharre2 = re.compile(r'(\s*\=)|(\s*\:)')
self.bspacere = re.compile(r'\\(?!\s$)')
def __parse(self, lines):
lineno = 0
i = iter(lines)
for line in i:
lineno += 1
line = line.strip()
if not line:
continue
if line[0] == '#':
continue
escaped = False
sepidx = -1
flag = 0
m = self.othercharre.search(line)
if m:
first, last = m.span()
start, end = 0, first
flag = 1
wspacere = re.compile(r'(?<![\\\=\:])(\s)')
else:
if self.othercharre2.search(line):
wspacere = re.compile(r'(?<![\\])(\s)')
start, end = 0, len(line)
m2 = wspacere.search(line, start, end)
if m2:
first, last = m2.span()
sepidx = first
elif m:
first, last = m.span()
sepidx = last - 1
while line[-1] == '\\':
nextline = i.next()
nextline = nextline.strip()
lineno += 1
line = line[:-1] + nextline
if sepidx != -1:
key, value = line[:sepidx], line[sepidx + 1:]
else:
key, value = line, ''
self.process_pair(key, value)
def process_pair(self, key, value):
oldkey = key
oldvalue = value
keyparts = self.bspacere.split(key)
strippable = False
lastpart = keyparts[-1]
if lastpart.find('\\ ') != -1:
keyparts[-1] = lastpart.replace('\\', '')
elif lastpart and lastpart[-1] == ' ':
strippable = True
key = ''.join(keyparts)
if strippable:
key = key.strip()
oldkey = oldkey.strip()
oldvalue = self.unescape(oldvalue)
value = self.unescape(value)
self._props[key] = None if value is None else value.strip()
if self._keymap.has_key(key):
oldkey = self._keymap.get(key)
self._origprops[oldkey] = None if oldvalue is None else oldvalue.strip()
else:
self._origprops[oldkey] = None if oldvalue is None else oldvalue.strip()
self._keymap[key] = oldkey
def unescape(self, value):
newvalue = value
if not value is None:
newvalue = value.replace('\:', ':')
newvalue = newvalue.replace('\=', '=')
return newvalue
def removeOldProp(self, key):
if self._origprops.has_key(key):
del self._origprops[key]
pass
def removeProp(self, key):
if self._props.has_key(key):
del self._props[key]
pass
def load(self, stream):
if type(stream) is not file:
raise TypeError, 'Argument should be a file object!'
if stream.mode != 'r':
raise ValueError, 'Stream should be opened in read-only mode!'
try:
self.fileName = os.path.abspath(stream.name)
lines = stream.readlines()
self.__parse(lines)
except IOError:
raise
def get_property(self, key):
return self._props.get(key, '')
def propertyNames(self):
return self._props.keys()
def getPropertyDict(self):
return self._props
def __getitem__(self, name):
return self.get_property(name)
def __getattr__(self, name):
try:
return self.__dict__[name]
except KeyError:
if hasattr(self._props, name):
return getattr(self._props, name)
def sort_props(self):
tmp_props = {}
for key in sorted(self._props.iterkeys()):
tmp_props[key] = self._props[key]
self._props = tmp_props
pass
def sort_origprops(self):
tmp_props = self._origprops.copy()
self._origprops.clear()
for key in sorted(tmp_props.iterkeys()):
self._origprops[key] = tmp_props[key]
pass
def store(self, out, header=""):
""" Write the properties list to the stream 'out' along
with the optional 'header' """
if out.mode[0] != 'w':
raise ValueError, 'Steam should be opened in write mode!'
try:
out.write(''.join(('#', ASF_LICENSE_HEADER, '\n')))
out.write(''.join(('#', header, '\n')))
# Write timestamp
tstamp = time.strftime('%a %b %d %H:%M:%S %Z %Y', time.localtime())
out.write(''.join(('#', tstamp, '\n')))
# Write properties from the pristine dictionary
for prop, val in self._origprops.items():
if val is not None:
out.write(''.join((prop, '=', val, '\n')))
out.close()
except IOError:
raise
def store_ordered(self, out, header=""):
""" Write the properties list to the stream 'out' along
with the optional 'header' """
if out.mode[0] != 'w':
raise ValueError, 'Steam should be opened in write mode!'
try:
out.write(''.join(('#', ASF_LICENSE_HEADER, '\n')))
out.write(''.join(('#', header, '\n')))
# Write timestamp
tstamp = time.strftime('%a %b %d %H:%M:%S %Z %Y', time.localtime())
out.write(''.join(('#', tstamp, '\n')))
# Write properties from the pristine dictionary
for key in sorted(self._origprops.iterkeys()):
val = self._origprops[key]
if val is not None:
out.write(''.join((key, '=', val, '\n')))
out.close()
except IOError:
raise
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