PyEdit Editor Code

#!/usr/bin/env python

import time, sys, os, re, stat
import string, pickle
import commands, site
import distutils.sysconfig

installerdir = sys.argv[0][:sys.argv[0].rfind("/")] + "/"

depfailed = False

PROJNAME  = "pyedit"
PROJLIB   = "pyedlib"
PROJLIB2  = "panglib"

# ------------------------------------------------------------------------
# Return True if exists

def isdir(fname):

    try:    
        ss = os.stat(fname)
    except:
        return False
    if stat.S_ISDIR(ss[stat.ST_MODE]):
        return True
    return False

# ------------------------------------------------------------------------
# Make dir if it does not exist

def softmkdir(dirx):
    if not isdir(dirx):
        #print "Creating directory '" + dirx + "'"
        os.mkdir(dirx, 0755)
        if not isdir(dirx):
            return False
    return True
   
# See if path contains user dirs:

path = os.environ['PATH']; home = os.environ['HOME']
user = os.environ['USER']

#print "path", path
#print "home", home, "user", user

if commands.getoutput("whoami").strip() != "root":

    '''gotbin = ""
    for aa in str.split(path, ":"):   
        if aa.find(home) >= 0:    
            gotbin = aa    
    if  gotbin == "":
        print "FAILED: You must be root to install pangview."
        sys.exit()
    else: 
        print "installing in", gotbin
        sys.exit()'''
   
    print "FAILED: You must be root to install", PROJNAME
    sys.exit()
           
#print "Verifying dependencies:"
 
try:
    import pygtk
    pygtk.require('2.0')
    import gtk
    import gobject
except ImportError:
    print "  >>>  Missing Dependencies: Python GTK+ bindings (python-gtk2)."
    depfailed = True

try:
    import gnome.ui
except ImportError:
    print "  >>>  Missing Dependencies: Python GNOME bindings (python-gnome2)."
    depfailed = True

# not stricly needed, just a validity check

prefix = sys.prefix
if not isdir(prefix):
    print "  >>>  Missing Dependencies: sys prefix dir does not exist."
    depfailed = True

pylib = distutils.sysconfig.get_python_lib()
if not isdir(pylib):
    print "  >>>  Missing Dependencies: Python Library dir does not exist."
    depfailed = True

# ------------------------------------------------------------------------

if depfailed:
    print "FAILED: Dependencies not met. Exiting."
    sys.exit(1)

print "All dependencies are met."

shared  = "/usr/share" + "/" + PROJNAME
bindir = "/usr/bin"

#print "prefix:", prefix
#print "libdir:", libdir

    # --- file  ---  target dir ---- exec flag ----
filelist = \
    ['pyedit.py',       bindir,         True ],     \
    ['pangview.py',     bindir,         True ],     \
    ['README',          shared,         False ],     \
    ['HISTORY',         shared,         False ],     \

    # --- dir  ---  target dir ---- root owner flag ----
dirlist = \
    [PROJNAME,    "/usr/share",    True ], \
    [PROJLIB,      pylib,          True ], \
    [PROJLIB2,     pylib,          True ], \

# Copy all to target:

print "Making target directories:"

for source, dest, exe in dirlist:
    targ = dest + "/" + source
    print "   '" + targ + "'" 
    softmkdir(targ)   

print "Copying files:"

for source, dest, exe in filelist:
    try:
        targ =  dest +  "/" + source 
        print "   '" + source + "'\t->'" + targ + "'"
        # Do not overwrite newer stuff
        commands.getoutput("cp -u " + source + " " + targ)
        if exe:
            os.chmod(targ, 0755) # Root can rwx; can rx 
        else:
            os.chmod(targ, 0644) # Root can rw; others r
    except:
        print sys.exc_info()

print "Copying directories:"

for source, dest, exe in dirlist:
    try:
        print "   '" + source + "'\t->'" + dest + "'"
        commands.getoutput ("cp -a " + source + " " + dest)
        if exe:
            commands.getoutput(" chown root.root " + dest + "/" + source + "/*")
    except:
        print sys.exc_info()

print 
print "You may now use the", PROJNAME, "utility on your system."
print