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import planet
import os
import sys
logged_modes = []
def run(template_file, doc, mode='template'):
""" select a template module based on file extension and execute it """
log = planet.logger
if mode == 'template':
dirs = planet.config.template_directories()
else:
dirs = planet.config.filter_directories()
# parse out "extra" options
if template_file.find('?') < 0:
extra_options = {}
else:
import cgi
template_file, extra_options = template_file.split('?',1)
extra_options = dict(cgi.parse_qsl(extra_options))
# see if the template can be located
for template_dir in dirs:
template_resolved = os.path.join(template_dir, template_file)
if os.path.exists(template_resolved): break
else:
log.error("Unable to locate %s %s", mode, template_file)
if not mode in logged_modes:
log.info("%s search path:", mode)
for template_dir in dirs:
log.info(" %s", os.path.realpath(template_dir))
logged_modes.append(mode)
return
template_resolved = os.path.abspath(template_resolved)
# Add shell directory to the path, if not already there
shellpath = os.path.join(sys.path[0],'planet','shell')
if shellpath not in sys.path:
sys.path.append(shellpath)
# Try loading module for processing this template, based on the extension
base,ext = os.path.splitext(os.path.basename(template_resolved))
module_name = ext[1:]
try:
try:
module = __import__("_" + module_name)
except:
module = __import__(module_name)
except Exception, inst:
return log.error("Skipping %s '%s' after failing to load '%s': %s",
mode, template_resolved, module_name, inst)
# Execute the shell module
options = planet.config.template_options(template_file)
if module_name == 'plugin': options['__file__'] = template_file
options.update(extra_options)
log.debug("Processing %s %s using %s", mode,
os.path.realpath(template_resolved), module_name)
if mode == 'filter':
return module.run(template_resolved, doc, None, options)
else:
output_dir = planet.config.output_dir()
output_file = os.path.join(output_dir, base)
module.run(template_resolved, doc, output_file, options)
return output_file
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