pygtk OSError: [Errno 2] No such file or directory. subprocess.Popen PIPE command

bloodyscript · 09-23-2011, 01:25 PM

hi im new to python and im trying to execute a search in two directories into an ordered list [].

problem code

Code:

def search_entry(self, widget,):
            s1 = subprocess.Popen(['find /home/bludiescript/tv-shows', '-type f', '-name "*.mkv"'], shell=False, stdout=subprocess.PIPE)
            s2 = subprocess.Popen(['find /media/FreeAgent\ GoFlex\ Drive/tobins-media', '-type f' '-name "*.mkv"'],  stdin=s1.stdout, shell=False, stdout=subprocess.PIPE)
            s1.stdout.close()
            self.contents = "\n".join(self.list)
            s2.communicate(self.contents)

my search bar

Code:

self.search = gtk.Entry()
            self.search.connect("activate", self.search_entry,)
            self.box1.pack_start(self.search, True, True, 0)
            self.search.show()

full error message

Code:

Traceback (most recent call last):
  File "./search.py", line 18, in search_entry
    self.s1 = subprocess.Popen(['find /home/bludiescript/tv-shows', '-type f', '-name "*.mkv"'], shell=False, stdout=subprocess.PIPE)
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1228, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

claudelepoisson · 09-23-2011, 05:30 PM

"-type" and "f" are separate parameters. same for "-name" and "*.mkv", which you do not need to quote inside the quotes.

bloodyscript · 09-23-2011, 05:50 PM

thanks also find was part of the dir location i noticed. it stopped producing the error but now it seems like its only searching in the second find or s2 rather. i added print "%s" % self.list at the end of the search_entry to see if it just added the result to the list like i wanted but it didnt

bgeddy · 09-23-2011, 05:58 PM

Personally I always have trouble with subprocess arguments and recommend using the shlex module to split argument lists up - it makes things much easier of less prone to errors. It's even mentioned in the python standard documentation for python's subprocess module.

bloodyscript · 09-23-2011, 09:49 PM

so i decided to try os.walk shlex kind of confused me and wasnt sure how to implement it with my code.

my code now
top = '/home/bludiescript/tv-shows'
for dirpath, dirnames, filenames in os.walk(top):
for filename in filenames:
print os.path.join(dirname, filename)

so now rather than getting zero results with find i get all the files in the directories below the specified dir is their a way that i can say link a get_text to os.walk so it will search the directory for the file i type in the text field