The g.execute_shell_commands function executes a list of shell commands,
each in a separate processes.
*Important*: unlike subprocess.call, each command in the list is a separate
command (commands are not concatenated).
This function waits for each command to complete, unless the command starts
with '&'. For example::
g.execute_shell_commands(['echo hello','echo world','&pwd'])
Here it is::
def execute_shell_commands(commands,trace = False):
'''
Execute each shell command in a separate process.
Wait for each command to complete, except those starting with '&'
'''
for command in commands:
wait = not command.startswith('&')
if command.startswith('&'): command = command[1:].strip()
if trace: g.trace('wait',wait,'command',command)
proc = subprocess.Popen(command,shell=True)
if wait: proc.communicate()
I have used g.execute_shell_command to great effect in @button make-sphinx
in LeoDocs.leo.
I'll discuss this next in a reply to the thread "@button make-html
@key=Alt-period".
Edward
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