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authorlj1412 <lji@research.att.com>2017-02-14 15:10:55 +0000
committerlj1412 <lji@research.att.com>2017-02-14 15:10:57 +0000
commit39fd75bdb79ac63a05dadda0ba32792e49783031 (patch)
treed63bf1c88c1596031cdcb38c81c6fd12f17d831d /cdap3vm/install-steps/utils/replace-kv.py
parent58c3d798750a223440a944661e5dec5e33c0c0e1 (diff)
Init dcae.apod.cdap
Change-Id: I0d1f1ba04f8ba7a2a276e4e382eb07ae9d6a7652 Signed-off-by: lj1412 <lji@research.att.com>
Diffstat (limited to 'cdap3vm/install-steps/utils/replace-kv.py')
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diff --git a/cdap3vm/install-steps/utils/replace-kv.py b/cdap3vm/install-steps/utils/replace-kv.py
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+# ============LICENSE_START==========================================
+# ===================================================================
+# Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
+# ===================================================================
+# 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.
+# ============LICENSE_END============================================
+# ECOMP and OpenECOMP are trademarks and service marks of AT&T Intellectual Property.
+
+from __future__ import print_function
+import os
+import re
+import sys
+
+"""
+Replace patterns in a file with the corresponding replacements.
+
+Args: OriginalFile OutFile XRefFile
+"""
+
+
+def process_kv_file(fname):
+ """
+ Read a simple properties file, X=Y type; file may contain comment lines and blanks. Return a dict
+ Leading comments are '^\s*#', while blank lines aare '^\s*$'
+ Key cannot contain '=', but value can
+ """
+ ignore_pattern = re.compile(r'^\s*(#|$)')
+ with open(fname) as fid:
+ all_lines = [ line.strip() for line in fid if not re.match(ignore_pattern, line) ]
+ return dict( line.partition('=')[::2] for line in all_lines )
+
+
+def replace_kv(fname, outfname, *xref_files):
+ """
+ Read a file, and perform multiple search replace using key-values in xref.
+ Keys have to be simple keys
+ """
+ xref = {}
+ for xref_file in xref_files:
+ xref.update(process_kv_file(xref_file))
+ pattern = re.compile("|".join(xref.keys()))
+ with open(outfname, 'w') as outf:
+ with open(fname) as fid:
+ all_text = fid.read()
+ outf.write(pattern.sub(lambda m: xref[m.group(0)], all_text))
+
+
+if __name__ == "__main__":
+ if len(sys.argv) >= 3:
+ replace_kv(*sys.argv[1:])
+ else:
+ print("Usage: {} <{}> <{}> <{}> [{}]".format(
+ sys.argv[0], "InputFile", "OutPutFile", "XREF-DictFile[s]", "..."), file=sys.stderr);