blocks_file_source.xml

<?xml version="1.0"?>
<!--
###################################################
##File Source
###################################################
 -->
<block>
	<name>File Source</name>
	<key>blocks_file_source</key>
	<import>from gnuradio import blocks</import>
	<import>import pmt</import>
	<make>blocks.file_source($type.size*$vlen, $file, $repeat)
self.$(id).set_begin_tag($begin_tag)</make>
	<callback>open($file, $repeat)</callback>
    <callback>self.$(id).set_begin_tag($begin_tag)</callback>
	<param>
		<name>File</name>
		<key>file</key>
		<value></value>
		<type>file_open</type>
	</param>
	<param>
		<name>Output Type</name>
		<key>type</key>
		<type>enum</type>
		<option>
			<name>Complex</name>
			<key>complex</key>
			<opt>size:gr.sizeof_gr_complex</opt>
		</option>
		<option>
			<name>Float</name>
			<key>float</key>
			<opt>size:gr.sizeof_float</opt>
		</option>
		<option>
			<name>Int</name>
			<key>int</key>
			<opt>size:gr.sizeof_int</opt>
		</option>
		<option>
			<name>Short</name>
			<key>short</key>
			<opt>size:gr.sizeof_short</opt>
		</option>
		<option>
			<name>Byte</name>
			<key>byte</key>
			<opt>size:gr.sizeof_char</opt>
		</option>
	</param>
	<param>
		<name>Repeat</name>
		<key>repeat</key>
		<value>True</value>
		<type>enum</type>
		<option>
			<name>Yes</name>
			<key>True</key>
		</option>
		<option>
			<name>No</name>
			<key>False</key>
		</option>
	</param>
	<param>
		<name>Vec Length</name>
		<key>vlen</key>
		<value>1</value>
		<type>int</type>
	</param>

	<param>
		<name>Add begin tag</name>
		<key>begin_tag</key>
		<value>pmt.PMT_NIL</value>
		<type>raw</type>
	</param>
	<check>$vlen &gt; 0</check>
	<source>
		<name>out</name>
		<type>$type</type>
		<vlen>$vlen</vlen>
	</source>
</block>