reorganization, and output filename for SimpleWeb
This commit is contained in:
q
368
files/file_list.py
Executable file
368
files/file_list.py
Executable file
@@ -0,0 +1,368 @@
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#!/usr/bin/python
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import sys
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import os
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import re
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import sqlite3
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import subprocess
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import hashlib
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import magic
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from argparse import ArgumentParser
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SQLFILE='list_of_files.sqlite'
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IMGMATCH=re.compile('.*\.jpg$|.*\.jpeg$|.*\.png$',re.I)
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BADDIRS=[]
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MINSIZE=0
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MIME=magic.open(magic.MAGIC_NONE)
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#MIME=magic.open(magic.MAGIC_MIME)
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MIME.load()
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def setup_options():
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parser=ArgumentParser(description="Maintains the list of images sqlite file")
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parser.add_argument("-a",action="store_false",dest="add",default=True,
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help="Do not add new files [%(default)s]")
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parser.add_argument("-c",action="store_true",dest="changed",default=False,
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help="Modify changed files [%(default)s]")
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parser.add_argument("-d",action="store_true",dest="delete",default=False,
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help="Delete non-existing entries [%(default)s]")
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parser.add_argument("--du",type=str,action='store',dest="diskused",default=False,
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help="Print directory sizes. Argument is the path where directories are listed from.")
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parser.add_argument("--du-depth",type=str,action='store',dest="diskused_depth",default=1,
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help="Depth of summarization for --du.")
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parser.add_argument("--dup",action="store_true",dest="duplicate",default=False,
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help="Return a list of duplicate files, based on hashes. This option will flip the 'Add new files' option. [%(default)s]")
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parser.add_argument("--full",action="store_true",dest="fullfile",default=False,
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help="Use full files to calculate md5 checksum. Defaults to first 50Mb. [%(default)s]")
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parser.add_argument("--haschanges",action="store_true",dest="haschanges",default=False,
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help="Do not change anything, return True and exit code 1 if DB needs update. Exit code 0 if all intact.")
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parser.add_argument("--hasdeletions",action="store_true",dest="hasdeletions",default=False,
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help="Do not change anything, return True and exit code 1 if DB needs update. Exit code 0 if all intact.")
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parser.add_argument("--hasadditions",action="store_true",dest="hasadditions",default=False,
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help="Do not change anything, return True and exit code 1 if DB needs update. Exit code 0 if all intact.")
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parser.add_argument("-f",action="store",dest="sqlfile",default=SQLFILE,
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help="SQL file name to use [%(default)s]")
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parser.add_argument("-l",action="store_true",dest="symlinks",default=False,
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help="Follow symbolic links [%(default)s]")
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parser.add_argument("--match",type=str,dest="match",default=False,
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help="Search for closest match from basenames, can be helped with adding -s")
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parser.add_argument("-s",type=str,action='append',dest="search",default=[],
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help="Search list based on path pattern")
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parser.add_argument("-x",action="append",dest="exclude",default=[],
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help="Exclude folder name from the lists. This option may be issued several times")
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parser.add_argument('startpath', action="store",default='.', nargs='?')
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options=parser.parse_args()
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BADDIRS.extend(options.exclude)
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if options.duplicate:
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options.add=not options.add
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options.startpath=unicode(options.startpath, "UTF-8")
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return options
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def createdb(fname):
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conn=sqlite3.connect(fname)
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db=conn.cursor()
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conn.text_factory=str
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db.execute('CREATE TABLE list (id INTEGER PRIMARY KEY AUTOINCREMENT,\
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file TEXT,date INTEGER, hash TEXT,\
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size INTEGER, mime TEXT)')
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conn.commit()
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return
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def delete_nonexisting(sqlfile,options):
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conn=sqlite3.connect(sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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dbdel=conn.cursor()
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db.execute('SELECT file FROM list')
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for row in db:
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if os.path.exists(row[0]):
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delete=False
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if not options.symlinks:
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if os.path.islink(row[0]):
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delete=True
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else:
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delete=True
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if delete:
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print('removing.. '+row[0])
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dbdel.execute("DELETE FROM list where file == ?",(row[0],))
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conn.commit()
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return
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def disk_used(options):
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conn=sqlite3.connect(options.sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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db.execute('SELECT size,replace(file,?,"") as path FROM list WHERE file LIKE ?',
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(os.path.realpath(options.diskused)+"/",
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os.path.realpath(options.diskused)+"%",
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))
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entries=[]
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sizes=[]
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for row in db:
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start_path=row[1].split('/')
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start_path="/".join(start_path[0:int(options.diskused_depth)])
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if start_path not in entries:
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entries.append(start_path)
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sizes.append(row[0])
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else:
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sizes[ entries.index(start_path) ]+=row[0]
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for entry in zip(sizes,entries):
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print("| ".join([ str(entry[0]).ljust(14),
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humanize_size(entry[0]).rjust(8),
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entry[1]]))
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def has_changes(options):
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conn=sqlite3.connect(options.sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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if options.haschanges:
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options.changed=True
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if options.hasdeletions or options.haschanges:
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has_changes_deleted(db)
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if options.hasadditions or options.haschanges:
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has_changes_additions(db,options)
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def has_changes_deleted(db):
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db.execute('SELECT file FROM list')
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for row in db:
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if not os.path.exists(row[0]):
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print('True')
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sys.exit(1)
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return
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def has_changes_additions(db,options):
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for path,dirs,files in os.walk(options.startpath,followlinks=options.symlinks):
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dirs=clean_dirs(dirs)
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db_files=get_folder_contents(db,os.path.realpath(path)+'/')
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if not options.symlinks:
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files=clean_syms(files,path)
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for file in files:
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filename=os.path.realpath(os.path.join(path,file))
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if file==options.sqlfile:
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continue
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#if not is_listed(db,filename):
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if file not in db_files:
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print('True')
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sys.exit(1)
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else:
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if options.changed:
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ftime=os.path.getmtime(filename)
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if not ftime_match(db,filename,ftime):
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#file content changed
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print('True')
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sys.exit(1)
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return
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def add_recurse(options):
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conn=sqlite3.connect(options.sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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for path,dirs,files in os.walk(options.startpath,followlinks=options.symlinks):
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dirs=clean_dirs(dirs)
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dirs.sort()
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files.sort()
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db_files=get_folder_contents(db,os.path.realpath(path)+'/')
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if not options.symlinks:
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files=clean_syms(files,path)
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for file in files:
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filename=os.path.realpath(os.path.join(path,file))
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if file==options.sqlfile:
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continue
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#if not is_listed(db,filename):
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if file not in db_files:
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if options.add:
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add_single(conn,filename,change=False,fullfile=options.fullfile)
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else:
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if options.changed:
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ftime=os.path.getmtime(filename)
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if not ftime_match(db,filename,ftime):
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#file content changed
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add_single(conn,filename,change=True,fullfile=options.fullfile)
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conn.commit()
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return
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def add_single(conn,filename,change=False,hash=None,minsize=0,fullfile=False):
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print "%(f)s" % {'f':filename}
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db=conn.cursor()
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try:
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if hash==None:
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hash=get_md5(filename,fullfile)
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ftime=os.path.getmtime(filename)
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fsize=os.path.getsize(filename)
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mime=MIME.file(filename.encode('UTF-8'))
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except IOError:
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print("File not found. Bad link?")
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return
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except UnicodeDecodeError:
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mime="NA"
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if change:
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db.execute("UPDATE list SET date=?, hash=?, size=?, mime=? \
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WHERE file=?",(ftime,hash,fsize,mime,filename))
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#print "changing: %(f)s " % {'f':filename}
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else:
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db.execute("INSERT INTO list(file,date,hash,size,mime)\
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VALUES(?,?,?,?,?)",(filename,ftime,hash,fsize,mime))
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return
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def is_listed(db,filename):
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db.execute("SELECT COUNT(*) FROM list where file == ?",(filename,))
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count=db.fetchall()
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return count[0][0]>0
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def get_folder_contents(db,path):
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''' return the contents of the folder '''
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files=[]
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db.execute("SELECT file FROM list where file LIKE ?",(path+'%',))
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for row in db:
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try:
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base=row[0].decode('utf-8').replace(path,'',1)
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except UnicodeDecodeError:
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print(row[0]+" is giving me trouble.")
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try:
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base=row[0].encode('utf-8').replace(path,'',1)
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except UnicodeDecodeError:
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print(row[0]+" is still giving me trouble.")
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sys.exit(1)
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if base.find('/')==-1:
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files.append(base)
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return files
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def ftime_match(db,filename,ftime):
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db.execute("SELECT date FROM list where file == ?",(filename,))
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count=db.fetchall()
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return count[0][0]==ftime
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def hash_match(db,filename,hash):
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db.execute("SELECT hash FROM list where file == ?",(filename,))
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count=db.fetchall()
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return count[0][0]==hash
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def humanize_size(size,precision=1):
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if size==None:
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return 'nan'
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suffixes=['B','KB','MB','GB','TB']
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suffixIndex = 0
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defPrecision=0
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while size > 1024:
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suffixIndex += 1 #increment the index of the suffix
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size = size/1024.0 #apply the division
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defPrecision=precision
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return "%.*f%s"%(defPrecision,size,suffixes[suffixIndex])
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def get_md5(filename,fullfile=False):
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''' returns content based hash, only first 50Mb is read, unless user wants the whole file '''
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if fullfile:
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block_size=2**20
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md5 = hashlib.md5()
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with open(filename,'rb') as f:
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for chunk in iter(lambda: f.read(block_size), b''):
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md5.update(chunk)
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return md5.hexdigest()
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return hashlib.md5(open(filename,'rb').read(1024*1024*50)).hexdigest()
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def clean_dirs(dirs):
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for s in dirs[:]:
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if (s in BADDIRS) or (s.startswith(".")):
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dirs.remove(s)
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return dirs
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def clean_syms(files,path):
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nonsyms=[]
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for f in files:
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if not os.path.islink(os.path.join(path,f)):
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nonsyms.append(f)
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return nonsyms
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def find_duplicates(sqlfile):
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conn=sqlite3.connect(sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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dbh=conn.cursor()
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db.execute("SELECT hash,count(*) FROM list WHERE size > 0 GROUP BY hash HAVING count(*) > 1 ")
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duphash=[]
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for row in db:
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hash=row[0]
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dbh.execute("SELECT file,size,date FROM list WHERE hash = ?",(hash,))
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flist=[]
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for row in dbh:
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flist.append(row)
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flist.sort(key=lambda file: file[0])
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duphash.append((hash, flist))
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duphash.sort(key=lambda file: file[1][0])
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return duphash
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def searchdb(sqlfile,needle):
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needle=['%'+i+'%' for i in needle]
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like_query=' OR '.join(['file LIKE ?' for i in needle])
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conn=sqlite3.connect(sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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db.execute("SELECT file FROM list WHERE "+like_query+" ORDER BY file",needle)
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for row in db:
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print(row[0])
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def matchdb(sqlfile,needle,helper):
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needle=needle.lower()
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import difflib as dl
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conn=sqlite3.connect(sqlfile)
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conn.text_factory=str
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db=conn.cursor()
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if len(helper)>0:
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helper=['%'+i+'%' for i in helper]
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like_query=' OR '.join(['file LIKE ?' for i in helper])
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db.execute("SELECT file FROM list WHERE "+like_query+" ORDER BY date DESC",helper)
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else:
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db.execute("SELECT file FROM list ORDER BY date DESC")
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ratio=0
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best_match=""
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for row in db:
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s=dl.SequenceMatcher(None, os.path.basename(row[0]).lower(), needle)
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s_ratio=s.ratio()
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if ratio < s_ratio:
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ratio=s_ratio
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best_match=row[0]
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print(best_match)
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def print_structure(files):
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for hash in files:
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#print(hash[0])
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i=1
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for f in hash[1]:
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print "%(i)d: %(x)d:%(f)s " % {'i':i, 'f':f[0], 'x':f[1]}
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i+=1
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return
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def main():
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options=setup_options();
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if not os.path.exists(options.sqlfile):
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createdb(options.sqlfile);
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if options.haschanges or options.hasadditions or options.hasdeletions:
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has_changes(options)
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sys.exit(0)
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if len(options.search)>0 and not options.match:
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searchdb(options.sqlfile,options.search)
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sys.exit(0)
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if options.match:
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matchdb(options.sqlfile,options.match,options.search)
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sys.exit(0)
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if options.diskused:
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disk_used(options)
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sys.exit(0)
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if options.delete:
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print('Deleting entries...')
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delete_nonexisting(options.sqlfile,options)
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if options.add or options.changed:
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print('Adding '+options.startpath+' entries...')
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add_recurse(options)
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if options.duplicate:
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files=find_duplicates(options.sqlfile)
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print_structure(files)
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sys.exit(0)
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main()
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Reference in New Issue
Block a user