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-rw-r--r--bitbake/lib/bb/data_smart.py265
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diff --git a/bitbake/lib/bb/data_smart.py b/bitbake/lib/bb/data_smart.py
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index fbd4167fe4..0000000000
--- a/bitbake/lib/bb/data_smart.py
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-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-"""
-BitBake Smart Dictionary Implementation
-
-Functions for interacting with the data structure used by the
-BitBake build tools.
-
-Copyright (C) 2003, 2004 Chris Larson
-Copyright (C) 2004, 2005 Seb Frankengul
-Copyright (C) 2005, 2006 Holger Hans Peter Freyther
-Copyright (C) 2005 Uli Luckas
-Copyright (C) 2005 ROAD GmbH
-
-This program is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free Software
-Foundation; either version 2 of the License, or (at your option) any later
-version.
-
-This program is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-Place, Suite 330, Boston, MA 02111-1307 USA.
-
-Based on functions from the base bb module, Copyright 2003 Holger Schurig
-"""
-
-import copy, os, re, sys, time, types
-from bb import note, debug, error, fatal, utils, methodpool
-from sets import Set
-
-try:
- import cPickle as pickle
-except ImportError:
- import pickle
- print "NOTE: Importing cPickle failed. Falling back to a very slow implementation."
-
-__setvar_keyword__ = ["_append","_prepend"]
-__setvar_regexp__ = re.compile('(?P<base>.*?)(?P<keyword>_append|_prepend)(_(?P<add>.*))?')
-__expand_var_regexp__ = re.compile(r"\${[^{}]+}")
-__expand_python_regexp__ = re.compile(r"\${@.+?}")
-
-
-class DataSmart:
- def __init__(self):
- self.dict = {}
-
- # cookie monster tribute
- self._special_values = {}
- self._seen_overrides = {}
-
- def expand(self,s, varname):
- def var_sub(match):
- key = match.group()[2:-1]
- if varname and key:
- if varname == key:
- raise Exception("variable %s references itself!" % varname)
- var = self.getVar(key, 1)
- if var is not None:
- return var
- else:
- return match.group()
-
- def python_sub(match):
- import bb
- code = match.group()[3:-1]
- locals()['d'] = self
- s = eval(code)
- if type(s) == types.IntType: s = str(s)
- return s
-
- if type(s) is not types.StringType: # sanity check
- return s
-
- while s.find('$') != -1:
- olds = s
- try:
- s = __expand_var_regexp__.sub(var_sub, s)
- s = __expand_python_regexp__.sub(python_sub, s)
- if s == olds: break
- if type(s) is not types.StringType: # sanity check
- error('expansion of %s returned non-string %s' % (olds, s))
- except KeyboardInterrupt:
- raise
- except:
- note("%s:%s while evaluating:\n%s" % (sys.exc_info()[0], sys.exc_info()[1], s))
- raise
- return s
-
- def initVar(self, var):
- if not var in self.dict:
- self.dict[var] = {}
-
- def _findVar(self,var):
- _dest = self.dict
-
- while (_dest and var not in _dest):
- if not "_data" in _dest:
- _dest = None
- break
- _dest = _dest["_data"]
-
- if _dest and var in _dest:
- return _dest[var]
- return None
-
- def _makeShadowCopy(self, var):
- if var in self.dict:
- return
-
- local_var = self._findVar(var)
-
- if local_var:
- self.dict[var] = copy.copy(local_var)
- else:
- self.initVar(var)
-
- def setVar(self,var,value):
- match = __setvar_regexp__.match(var)
- if match and match.group("keyword") in __setvar_keyword__:
- base = match.group('base')
- keyword = match.group("keyword")
- override = match.group('add')
- l = self.getVarFlag(base, keyword) or []
- l.append([value, override])
- self.setVarFlag(base, keyword, l)
-
- # pay the cookie monster
- try:
- self._special_values[keyword].add( base )
- except:
- self._special_values[keyword] = Set()
- self._special_values[keyword].add( base )
-
- # SRC_URI_append_simpad is both a flag and a override
- #if not override in self._seen_overrides:
- # self._seen_overrides[override] = Set()
- #self._seen_overrides[override].add( base )
- return
-
- if not var in self.dict:
- self._makeShadowCopy(var)
- if self.getVarFlag(var, 'matchesenv'):
- self.delVarFlag(var, 'matchesenv')
- self.setVarFlag(var, 'export', 1)
-
- # more cookies for the cookie monster
- if '_' in var:
- override = var[var.rfind('_')+1:]
- if not override in self._seen_overrides:
- self._seen_overrides[override] = Set()
- self._seen_overrides[override].add( var )
-
- # setting var
- self.dict[var]["content"] = value
-
- def getVar(self,var,exp):
- value = self.getVarFlag(var,"content")
-
- if exp and value:
- return self.expand(value,var)
- return value
-
- def delVar(self,var):
- self.dict[var] = {}
-
- def setVarFlag(self,var,flag,flagvalue):
- if not var in self.dict:
- self._makeShadowCopy(var)
- self.dict[var][flag] = flagvalue
-
- def getVarFlag(self,var,flag):
- local_var = self._findVar(var)
- if local_var:
- if flag in local_var:
- return copy.copy(local_var[flag])
- return None
-
- def delVarFlag(self,var,flag):
- local_var = self._findVar(var)
- if not local_var:
- return
- if not var in self.dict:
- self._makeShadowCopy(var)
-
- if var in self.dict and flag in self.dict[var]:
- del self.dict[var][flag]
-
- def setVarFlags(self,var,flags):
- if not var in self.dict:
- self._makeShadowCopy(var)
-
- for i in flags.keys():
- if i == "content":
- continue
- self.dict[var][i] = flags[i]
-
- def getVarFlags(self,var):
- local_var = self._findVar(var)
- flags = {}
-
- if local_var:
- for i in self.dict[var].keys():
- if i == "content":
- continue
- flags[i] = self.dict[var][i]
-
- if len(flags) == 0:
- return None
- return flags
-
-
- def delVarFlags(self,var):
- if not var in self.dict:
- self._makeShadowCopy(var)
-
- if var in self.dict:
- content = None
-
- # try to save the content
- if "content" in self.dict[var]:
- content = self.dict[var]["content"]
- self.dict[var] = {}
- self.dict[var]["content"] = content
- else:
- del self.dict[var]
-
-
- def createCopy(self):
- """
- Create a copy of self by setting _data to self
- """
- # we really want this to be a DataSmart...
- data = DataSmart()
- data.dict["_data"] = self.dict
- data._seen_overrides = copy.deepcopy(self._seen_overrides)
- data._special_values = copy.deepcopy(self._special_values)
-
- return data
-
- # Dictionary Methods
- def keys(self):
- def _keys(d, mykey):
- if "_data" in d:
- _keys(d["_data"],mykey)
-
- for key in d.keys():
- if key != "_data":
- mykey[key] = None
- keytab = {}
- _keys(self.dict,keytab)
- return keytab.keys()
-
- def __getitem__(self,item):
- #print "Warning deprecated"
- return self.getVar(item, False)
-
- def __setitem__(self,var,data):
- #print "Warning deprecated"
- self.setVar(var,data)
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-01 21:03:46 +0000