classe utilitaire pour l'accès aux données d'un fichier de log MinWii.
"""
- def __init__(self, logfile) :
+ def __init__(self, logfile, mode='r') :
""" logfile : chemin d'accès au fichier de log MinWii.
le format supporté est actuellement la version 1.0 uniquement.
"""
if isinstance(logfile, StringTypes) :
- self.logfile = open(logfile, 'r')
+ self.logfile = open(logfile, mode)
else :
self.logfile = logfile
for l in self.getBackwardLineIterator() :
if l.startswith('EVT ') :
break
+ else :
+ return None
lastTicks = int(l.split(None, 2)[1])
return lastTicks
def __del__(self) :
- self.logfile.close()
+ self.close()
def __iter__(self) :
return self
while line :
yield line.strip()
line = br.readline()
+
+ @inplaceread
+ def getMetadata(self) :
+ metadata = {}
+ self.next() # skip identification line.
+ line = self.next()
+ while line.startswith('METADATA ') :
+ line = line.split(None, 1)[1]
+ name, value = [v.strip() for v in line.split(':', 1)]
+ metadata[name] = value
+ line = self.next()
+ return metadata
+
+ def setMetadata(self, metadata) :
+ f = self.logfile
+ f.seek(0)
+ before = f.readline()
+ line = f.readline()
+ while line.startswith('METADATA ') :
+ line = f.readline()
+ after = line + f.read()
+
+ lines = []
+ for name, value in metadata :
+ lines.append('METADATA %s : %s' % (name, value.encode('utf-8')))
+ metadata = '\n'.join(lines)
+ f.seek(0)
+ f.write(before)
+ f.write(metadata)
+ f.write(after)
+
+ def close(self) :
+ self.logfile.close()
previousTicks = ticks
self.stop()
-
\ No newline at end of file