def setupExperimentDir(self):
"""
Ensures dir exists, etc.
"""
self.setupExperimentDir()
self.exp["exp_dir"]=os.path.normpath(os.path.join(cp.Corpus.paths.experiments,self.exp["name"])) + os.sep
ensureDirExists(self.exp["exp_dir"])
def initializeIndexer(self):
"""
Initializes the Java VM, creates directories if needed
"""
print "Initializing VM..."
lucene.initVM(maxheap="768m")
baseFullIndexDir=cp.Corpus.paths.fileLuceneIndex+os.sep
ensureDirExists(baseFullIndexDir)
def __init__(self, result_storer, cache_dir, res_ids=None, max_results=sys.maxint):
"""
Creates cache directory if it doesn't exist
"""
super(self.__class__, self).__init__(result_storer, res_ids=res_ids, max_results=max_results)
self.cache_dir=cache_dir
self.own_dir=os.path.join(cache_dir, self.result_storer.table_name)
ensureDirExists(cache_dir)
ensureDirExists(self.own_dir)
def saveCachedJson(self, path, data):
"""
Save anything as JSON
"""
ensureDirExists(os.path.dirname(path))
lines=json.dumps(bow,indent=3)
try:
f=codecs.open(path, "w","utf-8")
f.write(lines)
f.close()
except:
print("Error saving JSON", path, "Exception in saveCachedJson():",sys.exc_info()[:2])
def loadListOrListAllFiles(self, inputdir, file_mask):
"""
Either loads the existing file list or lists the contents of the
input directory.
"""
all_input_files_fn=os.path.join(cp.Corpus.paths.fileDB,"all_input_files.txt")
ALL_INPUT_FILES=loadFileList(all_input_files_fn)
if not ALL_INPUT_FILES:
print("Listing all files...")
ALL_INPUT_FILES=self.listAllFiles(inputdir,file_mask)
ensureDirExists(cp.Corpus.paths.fileDB)
saveFileList(ALL_INPUT_FILES,all_input_files_fn)
return ALL_INPUT_FILES
def createIndexWriter(self, actual_dir, max_field_length=20000000):
"""
Returns an IndexWriter object created for the actual_dir specified
"""
ensureDirExists(actual_dir)
index = SimpleFSDirectory(File(actual_dir))
analyzer = StandardAnalyzer(LuceneVersion.LUCENE_CURRENT)
writerConfig=IndexWriterConfig(LuceneVersion.LUCENE_CURRENT, analyzer)
similarity=FieldAgnosticSimilarity()
writerConfig.setSimilarity(similarity)
writerConfig.setOpenMode(IndexWriterConfig.OpenMode.CREATE)
## res= IndexWriter(index, analyzer, True, IndexWriter.MaxFieldLength(max_field_length))
res= IndexWriter(index, writerConfig)
res.deleteAll()
return res
def createDefaultDirs(self):
"""
Creates all necessary dirs
"""
for path in self.paths:
ensureDirExists(self.paths[path])
