[Zope-Checkins] CVS: Zope2 - PathIndex.py:1.1.2.1 test.py:1.1.2.1

Andreas Jung andreas@dhcp165.digicool.com
Fri, 4 May 2001 12:02:03 -0400


Update of /cvs-repository/Zope2/lib/python/SearchIndex
In directory yetix:/work/sandboxes/ajung-pathindex/lib/python/SearchIndex

Added Files:
      Tag: ajung-pathindex
	PathIndex.py test.py 
Log Message:
first lame pathindex 



--- Added File PathIndex.py in package Zope2 ---
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from UnIndex import UnIndex
from zLOG import LOG, ERROR
from types import StringType
from BTrees.OOBTree import OOBTree
from BTrees.IOBTree import IOBTree
import re,string

class PathIndex:

    meta_type = 'Path Index'

    def __init__(self,id):
        self.id = id
        self._index = OOBTree()
        self._unindex = IOBTree()


    def insertEntry(self,k,v):

        if self._index.has_key(k):  self._index[k].append(v)
        else:                       self._index[k] = [v]

        if self._unindex.has_key(v):  self._unindex[v].append(k)
        else:                         self._unindex[v] = [k]


    def index_object(self, documentId, path,obj ):

        comps = self.splitPath(path,obj)

        for i in range(1,len(comps)+1):
            comp = comps[:i] 
            self.insertEntry( comp,documentId)
    

    def unindex_object(self,id):

        for k in self._unindex[id]:
            self._index[k].remove(id)
            if len(self._index[k])==0:
                del self._index[k]

        del self._unindex[id]


    def splitPath(self,path,obj=None):

        if hasattr(obj,"splitPath"):
            comps = obj.splitPath(path)
        else:
            comps = filter(lambda x: x , re.split("/",path))

        return comps


    def search(self,path,level=0):

        ids = []
        comps = self.splitPath(path)

        for k in self._index.keys():
            s =  k[level:len(comps)+1]
            if s==comps:
                ids.extend(self._index[k])

        return  ids


    def keys(self):   
        keys = []
        for k in self._index.keys(): keys.append(k)
        return keys

    def values(self):   
        values = []
        for k in self._index.values(): values.append(k)
        return values

    def items(self):   
        items = []
        for k in self._index.items(): items.append(k)
        return items



--- Added File test.py in package Zope2 ---
import ZODB
from PathIndex import PathIndex


PT = PathIndex("pt")


    


class T1:
    def __init(self,name):
        self.name = name

class T2(T1):
    def splitPath(self,path):
        import os
        return os.path.split(path)
        


a = T1()
b = T2()

PT = PathIndex("pt")

PT.index_object(1,'/aa/bb/cc',a)
PT.index_object(2,'/aa/bb/dd',a)
PT.index_object(3,'/aa/bb/cc/dd',a)
PT.index_object(4,'/aa/bb/dd',b)
PT.index_object(5,'/aa/xx/dd',a)


#PT.unindex_object(3)

print PT.items()
print PT.search( "/aa/bb", 0)
print PT.search( "/aa/xx", 0)