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########################################################################
# $Header: /var/local/cvsroot/4Suite/Ft/Server/Client/Commands/Render.py,v 1.12 2004/09/23 20:53:27 mbrown Exp $
"""
Implementation of '4ss render' command
(functions defined here are used by the Ft.Lib.CommandLine framework)
Copyright 2004 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
__doc__ = """This command will use 4xslt to render a source document \
with an XSLT stylesheet. Both the source and stylesheet must exist in \
a 4Suite repository, although the source document can be a virtual \
document such as the metadata XML for any resource in the repository.
If necessary, you will be prompted first for credentials and access \
info to connect to the repository."""
import sys
from Ft.Server.Client import FtServerClientException
from Ft.Server.Client.Commands import CommandUtil
from Ft.Xml.Xslt._4xslt import g_paramBindingPattern
def Run(options, args):
defs = options.get('define', [])
if not isinstance(defs, list):
defs = [defs]
top_level_params = {}
for d in defs:
match = g_paramBindingPattern.match(d)
top_level_params[match.group(1)] = match.group(2)
repo = CommandUtil.GetRepository(options, '4ss.render')
if repo is not None:
commit = False
try:
doc = repo.fetchResource(args['path'])
stys = []
for path in args['stylesheet']:
stys.append(doc.fetchResource(path))
res, imt = doc.applyXslt(stys, params=top_level_params)
# commit because the transformation may have had side effects
commit = True
sys.stderr.write("Internet Media Type of result: %s\n" % imt)
sys.stderr.flush()
sys.stdout.write(res)
sys.stdout.flush()
if res[-1] != '\n':
sys.stderr.write('\n')
sys.stderr.flush()
finally:
try:
if commit:
repo.txCommit()
else:
repo.txRollback()
except:
pass
return
def Register():
from Ft.Lib.CommandLine import Options, Command, Arguments
cmd = Command.Command('render',
'Perform an XSLT transformation using documents in a repository',
'/fourthought.com',
__doc__,
function = Run,
arguments=[Arguments.RequiredArgument('path',
"the path of the source document",
str),
Arguments.OneOrMoreArgument('stylesheet',
"the path of the stylesheet",
str),
],
options=Options.Options([
Options.Option('D',
'define=NAME=VALUE',
'Bind a top-level parameter'
),
]),
fileName = __file__,
)
return cmd
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