#!/usr/bin/env python
import os, sys
import pprint
def import_module(name, path):
import imp
try:
mod_fp, mod_path, mod_desc = imp.find_module(name, [path])
mod = getattr( imp.load_module(name, mod_fp, mod_path, mod_desc), name )
except ImportError as exc:
mod = None
sys.stderr.write("Error: failed to import module ({})".format(exc))
finally:
if mod_fp: mod_fp.close()
return mod
# import the GrammarTemplate.py engine (as a) module, probably you will want to place this in another dir/package
GrammarTemplate = import_module('GrammarTemplate', os.path.join(os.path.dirname(__file__), '../src/python/'))
if not GrammarTemplate:
print ('Could not load the GrammarTemplate Module')
sys.exit(1)
else:
pass
def echo( s='' ):
print (s)
echo('GrammarTemplate.VERSION = ' + GrammarTemplate.VERSION)
echo( )
tpl = "<:BLOCK>:=[BLOCK <.name>\n{\n[ <@.blocks:BLOCKS>?\n]}]<:BLOCKS>:=[<@block:BLOCK>[\n<@block:BLOCK>*]]<@blocks:BLOCKS>"
aligned = GrammarTemplate(tpl, None, True)
echo("input template:")
echo(tpl)
echo( )
echo("output:")
echo(aligned.render({
'blocks' : [
{
'name' : "block1",
'blocks' : None
},
{
'name' : "block2",
'blocks' : [
{
'name' : "block21",
'blocks' : [
{
'name' : "block211",
'blocks' : [
{
'name' : "block2111",
'blocks' : None
},
{
'name' : "block2112"
}
]
},
{
'name' : "block212"
}
]
},
{
'name' : "block22",
'blocks' : [
{
'name' : "block221"
},
{
'name' : "block222"
}
]
}
]
},
{
'name' : "block3"
}
]
}))
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