Mark4FileWriter

class baseband.mark4.base.Mark4FileWriter(fh_raw)

Bases: baseband.vlbi_base.base.VLBIFileBase

Simple writer for Mark 4 files.

Adds write_frame method to the VLBI binary file wrapper.

Methods Summary

close(self)
temporary_offset(self)	Context manager for temporarily seeking to another file position.
write_frame(self, data[, header])	Write a single frame (header plus payload).

Methods Documentation

close(self)

temporary_offset(self)

Context manager for temporarily seeking to another file position.

To be used as part of a with statement:

with fh_raw.temporary_offset() [as fh_raw]:
    with-block

On exiting the with-block, the file pointer is moved back to its original position.

write_frame(self, data, header=None, **kwargs)

Write a single frame (header plus payload).

Parameters

datandarray or Mark4Frame

If an array, a header should be given, which will be used to get the information needed to encode the array, and to construct the Mark 4 frame.

headerMark4Header

Can instead give keyword arguments to construct a header. Ignored if payload is a Mark4Frame instance.

**kwargs :

If header is not given, these are used to initialize one.