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kkcmd
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kkcmd
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#!/usr/bin/python
#!/usr/bin/python
# vim: set syntax=python:
from __future__ import print_function
import os,sys, getopt
#== credit__
#=== parameters_
#=== def_mygetcwd()
#=== command_arg
#=== read_temp_k
#== list__
#=== get_the_keyName and KeyDir
#=== isEnv_
#== credit__
# Created by benyang tang
# Requirements:
# python
# aria2c
# Feb 2019
#
#=== parameters_
kkDir = os.environ['KKDIR']
temp_kFile = '%s/temp_k' %(kkDir)
temp_k2File = '%s/temp_k2' %(kkDir)
width1 = 10
#=== def_mygetcwd()
def mygetcwd():
t1 = 'pwd'
return os.popen(t1,'r').read()[:-1]
#=== command_arg
optStr = 'cduvl'
try:
opts, args1 = getopt.getopt(sys.argv[1:],optStr)
except getopt.error as msg:
print('wrong options. exiting.')
sys.exit(1)
isDelete = 0
isEnv = 0
isList = 0
isCd = 0
for o,a in opts:
if o=='-d':
isDelete = 1
if o=='-v':
isEnv = 1
if o=='-u':
isEnv = 2
if o=='-l':
isList = 1
if o=='-c':
isCd = 1
#=== read_temp_k
try:
lines = open(temp_kFile).readlines()
if lines[-1] == '\n':
del lines[-1]
except: # initialize the kk system
print('initialize the kk file.')
print(temp_kFile)
if not os.path.isdir(kkDir):
os.mkdir(kkDir)
if not os.path.isfile(temp_kFile):
os.system('touch %s' %(temp_kFile))
lines = []
#== list__
if isList:
if len(args1)==0:
myNum1 = '0'
myNum2 = 'z'
else:
myNum1 = args1[0]
if len(args1)==1:
myNum2 = myNum1
elif len(args1)==2:
myNum2 = args1[1]
len1 = len(myNum1)
len2 = len(myNum2)
#=== list lines
dashes = '-'*width1
dots = '.'*width1
print('')
for line in lines:
temp1 = str.split(line)
kkName = temp1[0]
kkDir = temp1[1]
if kkName[:len1]>=myNum1 and kkName[:len2]<=myNum2:
if kkDir[-1]=='/':
kkName1 = kkName + ' ' + dashes[:(width1-len(kkName)-1)]
print(('%s %s' %(kkName1,kkDir)))
else:
kkName1 = kkName + ' ' + dots[:(width1-len(kkName)-1)]
print(('%s %s' %(kkName1,kkDir)))
print(' ')
sys.exit(0)
# end of kk -l
#=== get_the_keyName and KeyDir
myNum = None
if len(args1)>0:
myNum = args1[0]
if len(myNum)>10:
myNum = myNum[:10]
file0 = None
if len(args1)>1:
file0 = args1[1]
#=== isCd_
if isCd:
#=== which one matches
i2 = None
for i in range(len(lines)):
temp1 = str.split(lines[i])
# print(temp1)
if temp1[0]==myNum:
i2 = i
print((temp1[1]))
sys.exit(0)
if type(i2)==type(None):
#print('Dir shortcut %s does not exit. Please check.' %(myNum))
print(' .')
sys.exit(1)
# end of kk -c
#=== isEnv_
if isEnv:
letterDigit = 'abcdefghijklmnopqrstuvwxyz0123456789_'
lines1 = []
for line in lines:
temp1 = str.split(line);
kName = temp1[0]
isCheckName = 1
if myNum is None or kName==myNum:
#--- No symbols (.,#$%, etc) are allowed in env names
isName = 1
for i in str.lower(kName):
if not i in letterDigit:
isName = 0
break
#--- make line of variable setting
if isName:
if isEnv==1:
kDir = temp1[1]
if kDir[-1]=='/': kDir = kDir[:-1]
temp2 = "kk%s='%s'\n" %(temp1[0], kDir)
# for unset the variable
else:
temp2 = "unset kk%s\n" %(temp1[0])
lines1.append(temp2)
if lines1:
print('\nWill run the following shell variables:')
for line in lines1:
print(line, end=' ')
print('' )
else:
lines1 = 'echo "Nothing to be set"'
#--- write to a file to be executed
open(temp_k2File,'w').writelines(lines1)
sys.exit(0)
#=== Does myNum already exist?
i2 = None
for i in range(len(lines)):
temp1 = str.split(lines[i])
if temp1[0]==myNum:
if isDelete:
i2 = i
del lines[i2]
open(temp_kFile,'w').writelines(lines)
sys.exit(0)
i2 = i
break
if type(i2)==type(None):
lines.append('')
i2 = len(lines)-1
#=== the line in temp_k
if file0:
kLine = '%s %s\n' %(str.ljust(myNum,width1), mygetcwd() + '/' + file0)
else:
kLine = '%s %s\n' %(str.ljust(myNum,width1), mygetcwd() + '/')
print(('kName assigned: \n%s' %(kLine)))
lines[i2] = kLine
#=== backup temp_k
fn = temp_kFile + '.bak'
isBackup = 0
if not os.path.isfile(fn):
isBackup = 1
elif (os.path.getmtime(temp_kFile) - os.path.getmtime(fn)) > 24*3600:
isBackup = 1
if isBackup:
import shutil
shutil.copyfile(temp_kFile, fn)
#=== write temp_k
lines.sort()
open(temp_kFile,'w').writelines(lines)