0x1949 Team - FAZEMRX - MANAGER
Edit File: m_list.py
# Copyright (C) 2012 Yahoo! Inc. # # Author: Joshua Harlow <harlowja@yahoo-inc.com> # # This file is part of cloud-init. See LICENSE file for license information. DEF_MERGE_TYPE = "replace" MERGE_TYPES = ("append", "prepend", DEF_MERGE_TYPE, "no_replace") def _has_any(what, *keys): for k in keys: if k in what: return True return False class Merger: def __init__(self, merger, opts): self._merger = merger # Affects merging behavior... self._method = DEF_MERGE_TYPE for m in MERGE_TYPES: if m in opts: self._method = m break # Affect how recursive merging is done on other primitives self._recurse_str = _has_any(opts, "recurse_str") self._recurse_dict = _has_any(opts, "recurse_dict") self._recurse_array = _has_any(opts, "recurse_array", "recurse_list") def __str__(self): return ( "ListMerger: (method=%s,recurse_str=%s," "recurse_dict=%s,recurse_array=%s)" % ( self._method, self._recurse_str, self._recurse_dict, self._recurse_array, ) ) def _on_tuple(self, value, merge_with): return tuple(self._on_list(list(value), merge_with)) def _on_list(self, value, merge_with): if self._method == "replace" and not isinstance( merge_with, (tuple, list) ): return merge_with # Ok we now know that what we are merging with is a list or tuple. merged_list = [] if self._method == "prepend": merged_list.extend(merge_with) merged_list.extend(value) return merged_list elif self._method == "append": merged_list.extend(value) merged_list.extend(merge_with) return merged_list def merge_same_index(old_v, new_v): if self._method == "no_replace": # Leave it be... return old_v if isinstance(new_v, (list, tuple)) and self._recurse_array: return self._merger.merge(old_v, new_v) if isinstance(new_v, str) and self._recurse_str: return self._merger.merge(old_v, new_v) if isinstance(new_v, (dict)) and self._recurse_dict: return self._merger.merge(old_v, new_v) return new_v # Ok now we are replacing same indexes merged_list.extend(value) common_len = min(len(merged_list), len(merge_with)) for i in range(common_len): merged_list[i] = merge_same_index(merged_list[i], merge_with[i]) return merged_list