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from glob import glob
import os, sys
if __name__ == '__main__':
rootdir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, rootdir)
from planet.spider import filename
from planet import config
def open():
try:
cache = config.cache_directory()
index=os.path.join(cache,'index')
if not os.path.exists(index): return None
import dbhash
return dbhash.open(filename(index, 'id'),'w')
except Exception, e:
if e.__class__.__name__ == 'DBError': e = e.args[-1]
from planet import logger as log
log.error(str(e))
def destroy():
from planet import logger as log
cache = config.cache_directory()
index=os.path.join(cache,'index')
if not os.path.exists(index): return None
idindex = filename(index, 'id')
if os.path.exists(idindex): os.unlink(idindex)
os.removedirs(index)
log.info(idindex + " deleted")
def create():
from planet import logger as log
cache = config.cache_directory()
index=os.path.join(cache,'index')
if not os.path.exists(index): os.makedirs(index)
import dbhash
index = dbhash.open(filename(index, 'id'),'c')
try:
import libxml2
except:
libxml2 = False
from xml.dom import minidom
for file in glob(cache+"/*"):
if os.path.isdir(file):
continue
elif libxml2:
try:
doc = libxml2.parseFile(file)
ctxt = doc.xpathNewContext()
ctxt.xpathRegisterNs('atom','http://www.w3.org/2005/Atom')
entry = ctxt.xpathEval('/atom:entry/atom:id')
source = ctxt.xpathEval('/atom:entry/atom:source/atom:id')
if entry and source:
index[filename('',entry[0].content)] = source[0].content
doc.freeDoc()
except:
log.error(file)
else:
try:
doc = minidom.parse(file)
doc.normalize()
ids = doc.getElementsByTagName('id')
entry = [e for e in ids if e.parentNode.nodeName == 'entry']
source = [e for e in ids if e.parentNode.nodeName == 'source']
if entry and source:
index[filename('',entry[0].childNodes[0].nodeValue)] = \
source[0].childNodes[0].nodeValue
doc.freeDoc()
except:
log.error(file)
log.info(str(len(index.keys())) + " entries indexed")
index.close()
return open()
if __name__ == '__main__':
if len(sys.argv) < 2:
print 'Usage: %s [-c|-d]' % sys.argv[0]
sys.exit(1)
config.load(sys.argv[1])
if len(sys.argv) > 2 and sys.argv[2] == '-c':
create()
elif len(sys.argv) > 2 and sys.argv[2] == '-d':
destroy()
else:
from planet import logger as log
index = open()
if index:
log.info(str(len(index.keys())) + " entries indexed")
index.close()
else:
log.info("no entries indexed")