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104 lines
3.3 KiB
104 lines
3.3 KiB
#!/usr/bin/python
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#This code is licensed under the GPL, version 3.
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#A full copy of the license can be obtained by contacting the author at the following email adress: joel.schaerer@laposte.net
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from __future__ import division
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import cPickle
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import getopt
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from sys import argv,exit
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import os
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import signal
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def signal_handler(arg1,arg2):
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print "Received SIGINT, trying to continue"
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signal.signal(signal.SIGINT,signal_handler) #Don't break on sigint
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#add the following to your .bashrc:
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"""
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PROMPT_COMMAND='autojump.py -a $(pwd)'
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function j { cd "$(autojump.py $1)"; }
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"""
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max_keyweight=1000
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def uniqadd(list,key):
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if key not in list:
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list.append(key)
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def dicadd(dic,key,increment=1):
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dic[key]=dic.get(key,0.)+increment
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def match(path,pattern,path_dict,re_flags=0):
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import re
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if os.path.realpath(os.curdir)==path : return False
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if re.search(pattern,"/".join(path.split('/')[-1-pattern.count('/'):]),re_flags) is None:
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return False
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else:
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if os.path.exists(path) : return True
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else: #clean up dead directories
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del path_dict[path]
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return False
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try:
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optlist, args = getopt.getopt(argv[1:], 'a',['stat','import','completion'])
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except getopt.GetoptError, e:
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print "Unknown command line argument: %s" % e
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exit(1)
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dic_file=os.path.expanduser("~/.autojump_py")
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try:
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aj_file=open(dic_file)
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path_dict=cPickle.load(aj_file)
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aj_file.close()
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except IOError:
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path_dict={}
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if ('-a','') in optlist:
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dicadd(path_dict," ".join(args))
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cPickle.dump(path_dict,open(dic_file,'w'),-1)
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elif ('--stat','') in optlist:
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a=path_dict.items()
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a.sort(key=lambda e:e[1])
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for path,count in a[-100:]:
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print "%.1f:\t%s" % (count,path)
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print "Total key weight: %d" % sum(path_dict.values())
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elif ('--import','') in optlist:
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for i in open(" ".join(args)).readlines():
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dicadd(path_dict,i[:-1])
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cPickle.dump(path_dict,open(dic_file,'w'),-1)
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else:
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completion=False
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if ('--completion','') in optlist:
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completion=True
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results=[]
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keyweight=sum(path_dict.values()) #Gradually forget about old directories
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if keyweight>max_keyweight:
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for k in path_dict.keys():
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path_dict[k]*=0.9*max_keyweight/keyweight
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if not args: args=['']
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dirs=path_dict.items()
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dirs.sort(key=lambda e:e[1],reverse=True)
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import re
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found=False
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for path,count in dirs:
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if match(path," ".join(args),path_dict): #First look for case-matching path
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if not completion:
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print path
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found=True
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break
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else: uniqadd(results,path)
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dirs=path_dict.items() #we need to recreate the list since the first iteration potentially deletes paths
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dirs.sort(key=lambda e:e[1],reverse=True)
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if not found:
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for path,count in dirs:
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if match(path," ".join(args),path_dict,re.IGNORECASE): #Then try to ignore case
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if not completion:
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print path
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break
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else: uniqadd(results,path)
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if completion:
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print " ".join(results)
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cPickle.dump(path_dict,open(dic_file+".tmp",'w'),-1)
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import shutil
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shutil.copy(dic_file+".tmp",dic_file) #cPickle.dump doesn't seem to be atomic, so this is more secure
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