def _writeheader(self):
cursor = uproot.write.sink.cursor.Cursor(0)
self._fVersion = self._fVersion = 1061800
self._fBEGIN = 100
cursor.write_fields(self._sink, self._format1, b"root", self._fVersion,
self._fBEGIN)
self._fEND = 0
self._fSeekFree = 0
self._fNbytesFree = 0
self._nfree = 0
self._endcursor = uproot.write.sink.cursor.Cursor(cursor.index)
cursor.write_fields(self._sink, self._format_end, self._fEND,
self._fSeekFree, self._fNbytesFree, self._nfree)
self._fNbytesName = 2 * len(
self._filename
) + 36 + 8 # + 8 because two fields in TKey are 'q' rather than 'i'
fUnits = 4
cursor.write_fields(self._sink, self._format2, self._fNbytesName,
fUnits)
self._compresscursor = uproot.write.sink.cursor.Cursor(cursor.index)
cursor.write_fields(self._sink, self._format3, self._fCompress)
self._fSeekInfo = 0
self._seekcursor = uproot.write.sink.cursor.Cursor(cursor.index)
cursor.write_fields(self._sink, self._format_seekinfo, self._fSeekInfo)
self._fNbytesInfo = 0
self._nbytescursor = uproot.write.sink.cursor.Cursor(cursor.index)
cursor.write_fields(self._sink, self._format_nbytesinfo,
self._fNbytesInfo)
cursor.write_data(self._sink, b'\x00\x01' + uuid.uuid1().bytes)
def write(self, cursor, sink):
self.cursor = uproot.write.sink.cursor.Cursor(cursor.index)
self.sink = sink
self.update()
cursor.skip(self._format1.size)
cursor.write_string(sink, self.fClassName)
cursor.write_string(sink, self.fName)
cursor.write_string(sink, self.fTitle)
basketversion = 3
cursor.write_fields(sink, self._format_basketkey, basketversion, self.fBufferSize, self.fNevBufSize, self.fNevBuf, self.fLast)
cursor.write_data(sink, b"\x00")
def write_taxis(self, cursor, sink, axis):
cnt = numpy.int64(self.length_taxis(axis) -
4) | uproot.const.kByteCountMask
vers = 10
cursor.write_fields(sink, self._format_cntvers, cnt, vers)
self.write_tnamed(cursor, sink, axis["_fName"], axis["_fTitle"])
self.write_tattaxis(cursor, sink, axis)
cursor.write_fields(sink, self._format_taxis_1, axis["_fNbins"],
axis["_fXmin"], axis["_fXmax"])
self.write_tarray(cursor, sink, axis["_fXbins"])
if axis["_fFirst"] != 0 or axis["_fLast"] != 0 or axis[
"_fBits2"] != 0 or axis[
"_fTimeDisplay"] or axis["_fTimeFormat"] != b"" or axis[
"_fLabels"] or axis["_fModLabs"]:
raise NotImplementedError
cursor.write_data(sink, b"\x00" * 20)
def _writestreamers(self):
self._fSeekInfo = self._fSeekFree
self._seekcursor.update_fields(self._sink, self._format_seekinfo, self._fSeekInfo)
cursor = uproot.write.sink.cursor.Cursor(self._fSeekInfo)
streamerkey = uproot.write.TKey.TKey32(fClassName = b"TList",
fName = b"StreamerInfo",
fTitle = b"Doubly linked list",
fObjlen = len(uproot.write.streamers.streamers),
fSeekKey = self._fSeekInfo,
fSeekPdir = self._fBEGIN)
streamerkey.write(cursor, self._sink)
cursor.write_data(self._sink, uproot.write.streamers.streamers)
self._fNbytesInfo = streamerkey.fNbytes
self._nbytescursor.update_fields(self._sink, self._format_nbytesinfo, self._fNbytesInfo)
self._expandfile(cursor)
def write(self, cursor, sink, isjagged=False):
self.cursor = uproot.write.sink.cursor.Cursor(cursor.index)
self.sink = sink
self.update()
cursor.skip(self._format1.size)
cursor.write_string(sink, self.fClassName)
cursor.write_string(sink, self.fName)
cursor.write_string(sink, self.fTitle)
basketversion = 3
if isjagged:
if self.old_fLast == 0:
raise Exception("isjagged flag should be False")
cursor.write_fields(sink, self._format_basketkey, basketversion,
self.fBufferSize, self.fNevBufSize,
self.fNevBuf, self.old_fLast)
else:
cursor.write_fields(sink, self._format_basketkey, basketversion,
self.fBufferSize, self.fNevBufSize,
self.fNevBuf, self.fLast)
self.old_fLast = self.fLast
cursor.write_data(sink, b"\x00")
def write(self, cursor, sink):
cursor.write_string(sink, self.fName)
cursor.write_data(sink, b"\x00")
self.cursor = uproot.write.sink.cursor.Cursor(cursor.index)
self.sink = sink
self.update()
cursor.skip(self._format1.size)
cursor.write_data(self.sink, self.fUUID)
cursor.write_data(sink, b"\x00" * 12) # FIXME! what is this?
