def genImageID(filename, guess=False):
ext = os.path.splitext(filename)[1]
#print ext
try:
if ext == '.h5':
return genDataFileID(filename)
elif ext == '.h5r':
h5f = tables.open_file(filename)
md = MetaDataHandler.HDFMDHandler(h5f)
if 'Analysis.DataFileID' in md.getEntryNames():
ret = md.getEntry('Analysis.DataFileID')
elif guess:
ret = guessH5RImageID(filename)
#print ret
else:
ret = None
#print guess, ret
h5f.close()
return ret
else:
return hashString32(filename)
except:
return hashString32(filename)
def genImageID(filename, guess=False):
ext = os.path.splitext(filename)[1]
#print ext
try:
if ext == '.h5':
return genDataFileID(filename)
elif ext == '.h5r':
h5f = tables.openFile(filename)
md = MetaDataHandler.HDFMDHandler(h5f)
if 'Analysis.DataFileID' in md.getEntryNames():
ret = md.getEntry('Analysis.DataFileID')
elif guess:
ret = guessH5RImageID(filename)
#print ret
else:
ret = None
#print guess, ret
h5f.close()
return ret
else:
return hashString32(filename)
except:
return hashString32(filename)
def genResultsFileID(filename):
h5f = tables.open_file(filename)
ds = str(h5f.root.FitResults[0].data)
h5f.close()
return hashString32(ds)
def genResultsFileID(filename):
h5f = tables.openFile(filename)
ds = str(h5f.root.FitResults[0].data)
h5f.close()
return hashString32(ds)
def Get(cls, creator, reference):
"""trys to find a matching slide in the database, otherwise
creates and returns a new slide entry.
"""
id = hashString32(creator + reference)
#print id
sl = cls.objects.get(slideID=id)
return sl
def GetOrCreate(cls, creator, reference):
"""trys to find a matching slide in the database, otherwise
creates and returns a new slide entry.
"""
id = hashString32(creator + reference)
#print id
try:
sl = cls.objects.get(slideID=id)
except:
sl = cls(slideID=id, creator=creator, reference=reference)
sl.save()
return sl
def genFileID(filename):
"""generate database ids for files. Where we know about the file type an ID
is generated from the data which should be persistant over copies of the file,
otherwise a hash of the filename is used.
"""
if os.path.exists(filename):
ext = os.path.splitext(filename)[1]
try:
if ext == '.h5':
return genDataFileID(filename)
elif ext == '.h5r':
return genResultsFileID(filename)
except:
pass
return hashString32(filename)
def genFileID(filename):
'''generate database ids for files. Where we know about the file type an ID
is generated from the data which should be persistant over copies of the file,
otherwise a hash of the filename is used.
'''
if os.path.exists(filename):
ext = os.path.splitext(filename)[1]
try:
if ext == '.h5':
return genDataFileID(filename)
elif ext == '.h5r':
return genResultsFileID(filename)
except:
pass
return hashString32(filename)
