def fetch_script_details(script_path):
"""
Given the path to an executable script, execute the script in a
special way to retrieve metadata, and return a
`netsa.script.model.Script` object. Note that this may be
dangerous if the path pointed to by *script_path* is not actually
a `netsa.script` script.
Raises a `ScriptError` if the path does not point to an executable
file, or if the executable file does not produce proper metadata.
"""
# Check first if the script file exists.
if not os.path.isfile(script_path):
script_error = ScriptError(
"Script %s is not a regular file" % repr(script_path))
raise script_error
try:
# Okay, now let's try
sc_out = ""
sc_err = ""
(sc_out, sc_err) = run_collect(
"%(python_path)s %(script_path)s --netsa-script-get-metadata",
vars={'python_path': sys.executable,
'script_path': script_path})
script = model.parse_script_metadata(sc_out)
return script
except ScriptError:
raise
except:
script_error = ScriptError(
"Script %s failed to return metadata--not a framework script?\n"
"%s\n%s%s"
% (repr(script_path), sys.exc_info()[1], sc_out, sc_err))
raise script_error
def fetch_script_details(script_path):
"""
Given the path to an executable script, execute the script in a
special way to retrieve metadata, and return a
`netsa.script.model.Script` object. Note that this may be
dangerous if the path pointed to by *script_path* is not actually
a `netsa.script` script.
Raises a `ScriptError` if the path does not point to an executable
file, or if the executable file does not produce proper metadata.
"""
# Check first if the script file exists.
if os.path.exists(script_path):
if not os.path.isfile(script_path):
script_error = ScriptError(
"Script %s is not a regular file" % repr(script_path))
raise script_error
else:
script_error = ScriptError(
"Script %s does not exist" % repr(script_path))
raise script_error
def _error_info():
return repr(script_path), sys.exc_info()[1]
try:
# Okay, now let's try
sc_out = ""
sc_err = ""
(sc_out, sc_err) = shell.run_collect(
"%(python_path)s %(script_path)s --netsa-script-get-metadata",
vars={'python_path': sys.executable,
'script_path': script_path})
return model.parse_script_metadata(sc_out)
except ScriptError:
raise
except shell.PipelineException, e:
msg = "Script %s failed to execute:\n%s" % _error_info()
msg += "\nstderr[[[%s]]]" % e
script_error = ScriptError(msg)
raise script_error