python Programming Glossary: oserror

http://stackoverflow.com/questions/1011431/common-pitfalls-in-python

else # do something Do try file open file_path except OSError as e # do something Or even better with python 2.6 3 with open..

Can I run a Python script as a service?

http://stackoverflow.com/questions/1423345/can-i-run-a-python-script-as-a-service

try # First fork try if os.fork 0 sys.exit 0 except OSError e sys.stderr.write 'fork #1 failed d s n' e.errno e.strerror.. 'wb' fpid.write str pid fpid.close sys.exit 0 except OSError e sys.stderr.write 'fork #2 failed d s n' e.errno e.strerror..

Create a temporary FIFO (named pipe) in Python?

http://stackoverflow.com/questions/1430446/create-a-temporary-fifo-named-pipe-in-python

and by extension tempfile.mkstemp but os.mkfifo throws OSError 17 File already exists when you run it on the files that mkstemp.. improve this question os.mkfifo will fail with exception OSError Errno 17 File exists if the file already exists so there is.. 'myfifo' print filename try os.mkfifo filename except OSError e print Failed to create FIFO s e else fifo open filename 'w'..

Create directory if it doesn't exist for file write

http://stackoverflow.com/questions/273192/create-directory-if-it-doesnt-exist-for-file-write

the os.makedirs calls the os.makedirs will fail with an OSError . Unfortunately blanket catching OSError and continuing is not.. will fail with an OSError . Unfortunately blanket catching OSError and continuing is not foolproof as it will ignore a failure.. permissions full disk etc. One option would be to trap the OSError and examine the embedded error code if one knew what's what..

How do I “cd” in python

http://stackoverflow.com/questions/431684/how-do-i-cd-in-python

when using this method Catch the exception WindowsError OSError on invalid path. If the exception is thrown do not perform any..

Open document with default application in Python

http://stackoverflow.com/questions/434597/open-document-with-default-application-in-python

else print sys.stderr Child returned retcode except OSError e print sys.stderr Execution failed e Now what are the advantages..

How to check if there exists a process with a given pid?

http://stackoverflow.com/questions/568271/how-to-check-if-there-exists-a-process-with-a-given-pid

this question Sending signal 0 to a pid will raise an OSError exception if the pid is not running and do nothing otherwise...

mkdir -p functionality in python

http://stackoverflow.com/questions/600268/mkdir-p-functionality-in-python

os errno def mkdir_p path try os.makedirs path except OSError as exc # Python 2.5 if exc.errno errno.EEXIST and os.path.isdir..

SQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk?

http://stackoverflow.com/questions/764710/sqlite-performance-benchmark-why-is-memory-so-slow-only-1-5x-as-fast-as-d

both dbs build indices try os.unlink 'foo.sqlite' except OSError pass conn_mem sqlite3.connect memory conn_disk sqlite3.connect..

spawning process from python

http://stackoverflow.com/questions/972362/spawning-process-from-python

a non session leader child process try pid os.fork except OSError e raise RuntimeError 1st fork failed s d e.strerror e.errno.. child a session leader os.setsid try pid os.fork except OSError e raise RuntimeError 2nd fork failed s d e.strerror e.errno.. maxfd 1024 for fd in range maxfd try os.close fd except OSError # ERROR fd wasn't open to begin with ignored pass # redirect..

Converting a String to Dictionary?

http://stackoverflow.com/questions/988228/converting-a-string-to-dictionary

shutil.py line 206 in rmtree names os.listdir path OSError Errno 2 No such file or directory 'mongo' ast.literal_eval shutil.rmtree..