Storage/bkmk_stflad.py

   1 """
   2    Bookmarks storage module - FLAD (Flat ASCII Database)
   3       special version for compatibility with old (version 1) bkmk2db
   4
   5    Written by BroytMann, Feb 2000 - Mar 2000. Copyright (C) 2000 PhiloSoft Design
   6 """
   7
   8
   9 import string
  10 from m_lib.flad import fladm
  11 from bkmk_objects import Folder, Bookmark, Ruler, Walker
  12
  13
  14 class storage_flad(Walker):
  15    filename = "bookmarks_db.flad"
  16
  17    def __init__(self):
  18       self.first_object = 1
  19
  20    def root_folder(self, f):
  21       header = string.replace(f.header, ".", ".\n")
  22       header = string.replace(header, "<", "\n<", 3)[1:]
  23       header_file = open("header", 'w')
  24       header_file.write(header + "\n")
  25       header_file.write('<H1>%s</H1>\n\n' % f.name)
  26       if f.comment: header_file.write('<DD>%s\n' % f.comment)
  27       header_file.close()
  28
  29    def start_folder(self, f, level):
  30       self.outfile.write("""
  31 Level: %d
  32 Folder: %s
  33 AddDate: %s
  34 Comment: %s
  35 """ % (level, f.name, f.add_date, f.comment))
  36
  37
  38    def bookmark(self, b, level):
  39       self.outfile.write("""
  40 Level: %d
  41 Title: %s
  42 URL: %s
  43 AddDate: %s
  44 LastVisit: %s
  45 LastModified: %s
  46 Comment: %s
  47 """ % (level+1, b.name, b.href, b.add_date, b.last_visit, b.last_modified, b.comment))
  48
  49
  50    def ruler(self, r, level):
  51       self.outfile.write("\nLevel: %s\nRuler: YES\n" % (level+1))
  52
  53
  54    def store(self, root_folder):
  55       self.outfile = open(self.filename, 'w')
  56       root_folder.walk_depth(self)
  57       self.outfile.close()
  58
  59
  60    def unindent(self, old_level, new_level):
  61       while old_level > new_level:
  62          old_level = old_level - 1
  63          del self.folder_stack[-1]
  64
  65       if self.folder_stack:
  66          self.current_folder = self.folder_stack[-1]
  67       else:
  68          self.current_folder = None
  69
  70    def load(self):
  71       bookmarks_db = fladm.load_from_file(self.filename, fladm.check_record, ["Level"])
  72
  73       root_folder = Folder()
  74       self.folder_stack = [root_folder]
  75       self.current_folder = root_folder
  76
  77       header_file = open("header", 'r')
  78       header = header_file.read()
  79       header_file.close()
  80
  81       header = string.split(header, "\n")
  82       root_folder.header = string.join(header[:5], '')
  83       root_folder.name = header[5][4:-5]
  84       root_folder.comment = string.join(header[7:], '')[4:]
  85
  86       save_level = 0
  87       got_folder = 1 # Start as if we already have one folder
  88
  89       for record in bookmarks_db:
  90          level = int(record["Level"])
  91
  92          if level == save_level:
  93             pass
  94          elif level == save_level + 1:
  95             if not got_folder:
  96                raise ValueError, "indent without folder"
  97          elif level <= save_level - 1:
  98             self.unindent(save_level, level)
  99          else:
 100             raise ValueError, "new level (%d) too big; must be %d - %d" % (level, save_level-1, save_level+1)
 101
 102          save_level = level
 103          got_folder = record.has_key("Folder") # Test here to save got_folder for next loop
 104
 105          if record.has_key("URL"):
 106             bookmark = Bookmark(record["URL"], record["AddDate"], record["LastVisit"], record["LastModified"], record["Comment"])
 107             bookmark.name = record["Title"]
 108             self.current_folder.append(bookmark)
 109
 110          elif record.has_key("Folder"):
 111             folder = Folder(record["AddDate"], record["Comment"])
 112             folder.name = record["Folder"]
 113             self.current_folder.append(folder)
 114             self.folder_stack.append(folder)
 115             self.current_folder = folder
 116
 117          elif record.has_key("Ruler"):
 118             self.current_folder.append(Ruler())
 119
 120          else:
 121             raise KeyError, "neither \"URL\" nor \"Folder\" nor \"Ruler\" in record " + str(record)
 122
 123       if save_level >= 0:
 124          self.unindent(save_level, 0)
 125       else:
 126          raise ValueError, "new level (%d) too little - must be >= 0" % save_level
 127
 128       return root_folder