diff options
Diffstat (limited to 'examples/customization/pwd-cd-and-system/utils.py')
| -rw-r--r-- | examples/customization/pwd-cd-and-system/utils.py | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/examples/customization/pwd-cd-and-system/utils.py b/examples/customization/pwd-cd-and-system/utils.py index e975e8869773..6e3462e1c863 100644 --- a/examples/customization/pwd-cd-and-system/utils.py +++ b/examples/customization/pwd-cd-and-system/utils.py @@ -1,8 +1,12 @@ """Utility for changing directories and execution of commands in a subshell.""" -import os, shlex, subprocess +import os +import shlex +import subprocess # Store the previous working directory for the 'cd -' command. + + class Holder: """Holds the _prev_dir_ class attribute for chdir() function.""" _prev_dir_ = None @@ -15,6 +19,7 @@ class Holder: def swap(cls, dir): cls._prev_dir_ = dir + def chdir(debugger, args, result, dict): """Change the working directory, or cd to ${HOME}. You can also issue 'cd -' to change to the previous working directory.""" @@ -33,10 +38,14 @@ def chdir(debugger, args, result, dict): os.chdir(new_dir) print "Current working directory: %s" % os.getcwd() + def system(debugger, command_line, result, dict): """Execute the command (a string) in a subshell.""" args = shlex.split(command_line) - process = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + process = subprocess.Popen( + args, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) output, error = process.communicate() retcode = process.poll() if output and error: |