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 2005. Copyright (C) 2000-2005 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 Keyword: %s
  47 Comment: %s
  48 """ % (level+1, b.name, b.href, b.add_date, b.last_visit, b.last_modified,
  49          b.keyword, b.comment.replace('\n', "\\n")))
  50
  51
  52    def ruler(self, r, level):
  53       self.outfile.write("\nLevel: %s\nRuler: YES\n" % (level+1))
  54
  55
  56    def store(self, root_folder):
  57       self.outfile = open(self.filename, 'w')
  58       root_folder.walk_depth(self)
  59       self.outfile.close()
  60
  61
  62    def unindent(self, old_level, new_level):
  63       while old_level > new_level:
  64          old_level = old_level - 1
  65          del self.folder_stack[-1]
  66
  67       if self.folder_stack:
  68          self.current_folder = self.folder_stack[-1]
  69       else:
  70          self.current_folder = None
  71
  72    def load(self):
  73       bookmarks_db = fladm.load_from_file(self.filename, fladm.check_record, ["Level"])
  74
  75       root_folder = Folder()
  76       self.folder_stack = [root_folder]
  77       self.current_folder = root_folder
  78
  79       header_file = open("header", 'r')
  80       header = header_file.read()
  81       header_file.close()
  82
  83       header = string.split(header, "\n")
  84       root_folder.header = string.join(header[:5], '')
  85       root_folder.name = header[5][4:-5]
  86       root_folder.comment = string.join(header[7:], '')[4:]
  87
  88       save_level = 0
  89       got_folder = 1 # Start as if we already have one folder
  90
  91       for record in bookmarks_db:
  92          level = int(record["Level"])
  93
  94          if level == save_level:
  95             pass
  96          elif level == save_level + 1:
  97             if not got_folder:
  98                raise ValueError, "indent without folder"
  99          elif level <= save_level - 1:
 100             self.unindent(save_level, level)
 101          else:
 102             raise ValueError, "new level (%d) too big; must be %d - %d" % (level, save_level-1, save_level+1)
 103
 104          save_level = level
 105          got_folder = record.has_key("Folder") # Test here to save got_folder for next loop
 106
 107          if record.has_key("URL"):
 108             comment = record["Comment"].replace("\\n", '\n')
 109             bookmark = Bookmark(record["URL"], record["AddDate"],
 110                record["LastVisit"], record["LastModified"],
 111                record["Keyword"], comment)
 112             bookmark.name = record["Title"]
 113             self.current_folder.append(bookmark)
 114
 115          elif record.has_key("Folder"):
 116             folder = Folder(record["AddDate"], record["Comment"])
 117             folder.name = record["Folder"]
 118             self.current_folder.append(folder)
 119             self.folder_stack.append(folder)
 120             self.current_folder = folder
 121
 122          elif record.has_key("Ruler"):
 123             self.current_folder.append(Ruler())
 124
 125          else:
 126             raise KeyError, "neither \"URL\" nor \"Folder\" nor \"Ruler\" in record " + str(record)
 127
 128       if save_level >= 0:
 129          self.unindent(save_level, 0)
 130       else:
 131          raise ValueError, "new level (%d) too little - must be >= 0" % save_level
 132
 133       return root_folder