188 lines
6.4 KiB
Python
188 lines
6.4 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import os, os.path
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import filecmp
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import subprocess
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from metafile import Metafile, MalformedMetafileError
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# -----------------------------------------------------------------------------
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def init(parser):
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"""Initialize check subcommand"""
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parser.add_argument( "app",
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type=str,
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nargs="?",
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help="The app to check" )
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parser.add_argument( "files",
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type=str,
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nargs="*",
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default=[],
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help="The files to check ; default to all " \
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"added files" )
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parser.add_argument( "-d", "--diff",
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action="store_true",
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help="Print the diff between the saved and the new " \
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"files" )
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# -----------------------------------------------------------------------------
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def run(args, persoconf, logger):
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logger.debug("Starting 'check' command")
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difftool = None
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if args.diff:
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difftool = os.environ.get('DIFFTOOL', 'vimdiff')
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logger.info("Selecting %s as diff tool" % difftool)
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# app == None => check all apps
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apps_to_check = {}
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if args.app is None:
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apps_to_check = persoconf.list_apps(logger=logger)
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else:
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try:
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appmeta = Metafile(
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json_path = os.path.join( persoconf.path,
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args.app,
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persoconf.metafile )
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)
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apps_to_check[appmeta.name] = appmeta
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except FileNotFoundError:
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logger.error( "Metafile %s does not exist for app %s"
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% (persoconf.metafile, args.app) )
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exit(1)
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except MalformedMetafileError:
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logger.error( "Malformed metafile %s in app %s"
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% (persoconf.metafile, args.app) )
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exit(1)
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for app in apps_to_check:
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logger.info( "App %s:" % app )
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if args.files != []:
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dstdic = apps_to_check[app].get_files_dst2src() # Get that here
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# for optimization
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# The filenames can be confnames or real files names. For each
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# we'll assume first that it's a confname, then that it's a file
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# name if that fails.
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for f in args.files:
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# 1) It's probably a confname
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if f in apps_to_check[app].files:
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persoconf_backup_path = os.path.join( persoconf.path,
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app,
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f )
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original_file_path = apps_to_check[app].files[f]["dest"]
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_compare_and_log( original_file_path,
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persoconf_backup_path,
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logger,
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difftool )
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# 2) If not, it must be a real filename
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else:
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absf = contractuser(os.path.abspath(os.path.expanduser(f)))
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if absf in dstdic:
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persoconf_backup_path = os.path.join( persoconf.path,
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app,
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dstdic[absf] )
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original_file_path = absf
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_compare_and_log( original_file_path,
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persoconf_backup_path,
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logger,
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difftool )
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# 3) Otherwise, no idea what it is
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else:
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logger.warning( "Cannot find file %s in app data; " \
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"ignoring it"
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% f )
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continue
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# If they were no 'file' args, it means we need to update all files in
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# the app
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else:
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for f in apps_to_check[app].files:
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persoconf_backup_path = os.path.join( persoconf.path,
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app,
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f )
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original_file_path = apps_to_check[app].files[f]["dest"]
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_compare_and_log( original_file_path,
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persoconf_backup_path,
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logger,
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difftool )
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# -----------------------------------------------------------------------------
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def _compare_and_log( original_file_path,
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persoconf_backup_path,
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logger,
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difftool = None ):
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"""Compare a file with its persoconf backup and log the result (at info
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level if the files are matching, warning level if they are not)."""
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resolved_ofp = os.path.expanduser(original_file_path)
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resolved_pbp = os.path.expanduser(persoconf_backup_path)
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is_dir = os.path.isdir( resolved_ofp )
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if is_dir:
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dcmp = filecmp.dircmp(resolved_ofp, resolved_pbp)
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if ( len(dcmp.diff_files) > 0
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or len(dcmp.left_only) > 0
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or len(dcmp.right_only) > 0 ):
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logger.warning( "Dir %s/ was modified"
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% original_file_path )
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else:
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logger.info( "No modification on %s/"
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% original_file_path )
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else:
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try:
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if filecmp.cmp(resolved_ofp, resolved_pbp) :
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logger.info( "No modification on %s"
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% original_file_path )
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else:
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logger.warning( "File %s was modified"
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% original_file_path )
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if difftool:
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subprocess.call([ difftool, resolved_pbp, resolved_ofp ])
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except FileNotFoundError as err:
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if err.filename == resolved_pbp:
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logger.warning( "File %s was modified (no backup file)"
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% original_file_path )
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else:
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logger.warning( "File %s was deleted!"
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% original_file_path )
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