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'''
====================================================================
Copyright (c) 2003-2009 Barry A Scott. All rights reserved.
This software is licensed as described in the file LICENSE.txt,
which you should have received as part of this distribution.
====================================================================
wb_shell_unix_commands.py
'''
import os
import signal
import subprocess
__sigchld_handler_installed = False
gui_terminals = ['gnome-terminal', 'konsole', 'xterm', 'xfce4-terminal']
gui_file_browsers = ['nautilus', 'konqueror', 'thunar']
def getTerminalProgramList():
return gui_terminals[:]
def getFileBrowserProgramList():
return gui_file_browsers[:]
def EditFile( app, project_info, filename ):
p = app.prefs.getEditor()
if p.editor_image:
if p.editor_options:
editor_image = p.editor_image
editor_args = [p.editor_options, filename]
else:
editor_image = p.editor_image
editor_args = [filename]
else:
editor_image = 'kedit'
editor_args = [filename]
cur_dir = os.getcwd()
try:
os.chdir( project_info.getWorkingDir() )
__run_command( app, editor_image, editor_args )
finally:
os.chdir( cur_dir )
def ShellOpen( app, project_info, filename ):
app.log.info( T_('Open %s') % filename )
cur_dir = os.getcwd()
try:
os.chdir( project_info.getWorkingDir() )
os.system( "gnome-open '%s'" % filename )
finally:
os.chdir( cur_dir )
def GuiDiffFiles( app, options ):
cmd_line = "'%s' %s &" % (app.prefs.getDiffTool().gui_diff_tool, options)
app.log.info( cmd_line )
os.system( cmd_line )
def ShellDiffFiles( app, options ):
cmd_line = "'%s' %s" % (app.prefs.getDiffTool().shell_diff_tool, options)
app.log.info( cmd_line )
return __run_command_with_output( cmd_line )
def CommandShell( app, project_info ):
shell_script_filename = os.path.join( os.environ.get('TMP','/tmp'), 'wb_shell_tmp.sh' )
p = app.prefs.getShell()
working_dir = project_info.getWorkingDir()
# calc a title that is leaf to root so that the leaf shows up in a task bar first
title = []
pi = project_info
while pi:
title.append( pi.project_name )
pi = pi.parent
f = open( shell_script_filename, 'w' )
f.write( 'export WB_WD="%s"\n' % working_dir )
f.write( 'cd "%s"\n' % working_dir )
if len( p.shell_init_command ) > 0:
f.write( '. "%s"\n' % p.shell_init_command )
f.write( 'exec $SHELL -i\n' )
f.close()
os.chmod( shell_script_filename, 0700 )
path = os.environ.get("PATH")
found = False
for terminal_program in gui_terminals:
if p.shell_terminal in ['',terminal_program]:
for folder in path.split( os.pathsep ):
exe = os.path.join( folder, terminal_program )
if os.path.isfile(exe):
found = True
break
if found:
break
if not found:
return
if terminal_program == 'konsole':
__run_command( app, terminal_program,
['-T', ' '.join( title ), '--workdir', working_dir, '-e', shell_script_filename] )
elif terminal_program in ('gnome-terminal', 'xfce4-terminal'):
__run_command( app, terminal_program,
['--title', ' '.join( title ), '--working-directory', working_dir, '-x', shell_script_filename] )
elif terminal_program == 'xterm':
__run_command( app, terminal_program,
['-T', ' '.join( title ), '-e', shell_script_filename] )
def FileBrowser( app, project_info ):
p = app.prefs.getShell()
path = os.environ.get("PATH")
found = False
for browser_program in gui_file_browsers:
if p.shell_file_browser in ['',browser_program]:
for folder in path.split( os.pathsep ):
exe = os.path.join( folder, browser_program )
if os.path.isfile(exe):
found = True
break
if found:
break
if not found:
return
if browser_program == 'konsole':
__run_command( app, browser_program, ['--mimetype', 'inode/directory', project_info.getWorkingDir()] )
elif browser_program in ('nautilus', 'thunar'):
__run_command( app, browser_program, [project_info.getWorkingDir()] )
def __run_command( app, cmd, args ):
app.log.info( '%s %s' % (cmd, ' '.join( args ) ) )
env = os.environ.copy()
# if this is a frozen with the McMillian Installer fix up the environment
if '_MEIPASS2' in os.environ:
for bad_env in ['_MEIPASS2', 'PYTHONPATH']:
if bad_env in env:
del env[ bad_env ]
old_lib_path_parts = env.get('LD_LIBRARY_PATH','del_me').split(':')
del old_lib_path_parts[0]
if len(old_lib_path_parts) > 0:
env[ 'LD_LIBRARY_PATH' ] = ':'.join( old_lib_path_parts )
else:
del env[ 'LD_LIBRARY_PATH' ]
# install the sig child handler to get rid of the zomie processes
global __sigchld_handler_installed
if not __sigchld_handler_installed:
signal.signal( signal.SIGCHLD, __sigchld_handler )
__sigchld_handler_installed = True
os.spawnvpe( os.P_NOWAIT, cmd, [cmd]+args, env )
def __sigchld_handler( signum, frame ):
try:
while True:
pid, status = os.waitpid( -1, os.WNOHANG )
if pid == 0:
break
except OSError, e:
pass
def __run_command_with_output( command_line ):
err_prefix = 'error running %s' % command_line
try:
proc = subprocess.Popen(
command_line,
shell=True,
close_fds=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
output = proc.stdout.read()
rc = proc.wait()
except EnvironmentError, e:
return '%s - %s' % (err_prefix, str(e))
# check for OK
if os.WIFEXITED( rc ):
return output
# some error
return '%s, rc=%d' % (err_prefix, rc)
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