Python Removing characters, terminal output

[mevets]

I'm having my python script run

compiz-check > output.txt
This way it writes all its output to a file instead of the screen. My problem is that compiz-check use colors and bold font in its output. This is expressed weird characters when its written to a file. For example,



Gathering information about your system...

Distribution: Ubuntu 8.04
Desktop environment: GNOME
Graphics chip: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
Driver in use: intel
Rendering method: AIGLX

Checking if it's possible to run Compiz on your system...

Checking for texture_from_pixmap... [ OK ]
Checking for non power of two support... [ OK ]
Checking for composite extension... [ OK ]
Checking for FBConfig... [ OK ]
Checking for hardware/setup problems... [ OK ]

Is there a way to easily remove these characters?

[ghostdog74]

remove the color options from the compiz script itself. Try changing these variables to NOT output color.


# Coloured output (there are other emphases hardcoded in the script, so
# it would be pretty useless changing those here)
UNKNOWN="\033[1;31mUnknown\033[0m"
OK=" \033[1;32mOK\033[0m "
FAIL="\033[1;31mFAIL\033[0m"
SKIPPING="\033[33mSKIP\033[0m"
WARN="\033[33mWARN\033[0m"

[mevets]

Oh, thanks. I credit the author for organizing it this way.

[Forlong]

Every emphasis in bash is started by `\033[` followed by one or two numbers separated by a semicolon and finally a `m`

Thus, you should be able to remove any of those, using this sed command:

sed 's/\\033\[[0-9;m]*//g'


P.S. may I ask what you are trying to do with my script? :)

[mevets]

Thanks, I building a gui around it in order to start learning about how to use glade to make guis

[geirha]

If you are using python, you might as well remove the ansi-codes in python. Using a slight modification of Forlong's regexp:



import os, re

r= re.compile("\033\[[0-9;]+m")
p= os.popen("compiz-check")
data= p.read()
p.close()
data= r.sub("", data) # replaces all matches of the regexp in data with an empty string


or if you prefer a more compact version


import os, re
data= re.sub("\033\[[0-9;]+m", "", os.popen("compiz-check").read())

[mevets]

Thanks geirha. I'd been trying to translate that regex post by forlong into python and it was taking me quiet a long time. Ive never used them in python.