Storage/bkmk_stflad.py

   1 """Bookmarks storage module - FLAD (Flat ASCII Database)
   2
   3 Special version for compatibility with old (version 1) bkmk2db.
   4
   5 This file is a part of Bookmarks database and Internet robot.
   6 """
   7
   8 __author__ = "Oleg Broytman <phd@phdru.name>"
   9 __copyright__ = "Copyright (C) 2000-2023 PhiloSoft Design"
  10 __license__ = "GNU GPL"
  11
  12 __all__ = ['storage_flad']
  13
  14
  15 import string
  16 from m_lib.flad import fladm
  17 from bkmk_objects import Folder, Bookmark, Ruler, Walker
  18
  19
  20 class storage_flad(Walker):
  21     filename = "bookmarks_db.flad"
  22
  23     def __init__(self):
  24         self.first_object = 1
  25
  26     def root_folder(self, f):
  27         header = string.replace(f.header, ".", ".\n")
  28         header = string.replace(header, "<", "\n<", 3)[1:]
  29         header_file = open("header", 'w')
  30         header_file.write(header + "\n")
  31         header_file.write('<H1>%s</H1>\n\n' % f.name)
  32         if f.comment: header_file.write('<DD>%s\n' % f.comment)
  33         header_file.close()
  34
  35     def start_folder(self, f, level):
  36         self.outfile.write("""
  37 Level: %d
  38 Folder: %s
  39 AddDate: %s
  40 Comment: %s
  41 LastModified: %s
  42 """ % (level, f.name, f.add_date, f.comment, f.last_modified or ''))
  43
  44     def bookmark(self, b, level):
  45         self.outfile.write("""
  46 Level: %d
  47 Title: %s
  48 URL: %s
  49 AddDate: %s
  50 LastVisit: %s
  51 LastModified: %s
  52 Keyword: %s
  53 Comment: %s
  54 IconURI: %s
  55 Icon: %s
  56 Charset: %s
  57 """ % (level+1, b.name, b.href, b.add_date, b.last_visit, b.last_modified,
  58             b.keyword, b.comment.replace('\n', "\\n"),
  59             b.icon_href or '', b.icon or '', b.charset or ''))
  60
  61     def ruler(self, r, level):
  62         self.outfile.write("\nLevel: %s\nRuler: YES\n" % (level+1))
  63
  64     def store(self, root_folder):
  65         self.outfile = open(self.filename, 'w')
  66         root_folder.walk_depth(self)
  67         self.outfile.close()
  68
  69     def unindent(self, old_level, new_level):
  70         while old_level > new_level:
  71             old_level = old_level - 1
  72             del self.folder_stack[-1]
  73
  74         if self.folder_stack:
  75             self.current_folder = self.folder_stack[-1]
  76         else:
  77             self.current_folder = None
  78
  79     def load(self):
  80         bookmarks_db = fladm.load_from_file(
  81             self.filename, fladm.check_record, ["Level"])
  82
  83         root_folder = Folder()
  84         self.folder_stack = [root_folder]
  85         self.current_folder = root_folder
  86
  87         header_file = open("header", 'r')
  88         header = header_file.read()
  89         header_file.close()
  90
  91         header = string.split(header, "\n")
  92         root_folder.header = string.join(header[:5], '')
  93         root_folder.name = header[5][4:-5]
  94         root_folder.comment = string.join(header[7:], '')[4:]
  95
  96         save_level = 0
  97         got_folder = 1  # Start as if we already have one folder
  98
  99         for record in bookmarks_db:
 100             level = int(record["Level"])
 101
 102             if level == save_level:
 103                 pass
 104             elif level == save_level + 1:
 105                 if not got_folder:
 106                     raise ValueError("indent without folder")
 107             elif level <= save_level - 1:
 108                 self.unindent(save_level, level)
 109             else:
 110                 raise ValueError("new level (%d) too big; must be %d - %d"
 111                                  % (level, save_level-1, save_level+1))
 112
 113             save_level = level
 114             # Test here to save got_folder for next loop
 115             got_folder = "Folder" in record
 116
 117             if "URL" in record:
 118                 comment = record["Comment"].replace("\\n", '\n')
 119                 bookmark = Bookmark(
 120                     record["URL"], record["AddDate"],
 121                     record["LastVisit"], record["LastModified"],
 122                     record["Keyword"], comment)
 123                 bookmark.name = record["Title"]
 124                 self.current_folder.append(bookmark)
 125
 126             elif "Folder" in record:
 127                 folder = Folder(
 128                     record["AddDate"], record["Comment"],
 129                     record["LastModified"]
 130                 )
 131                 folder.name = record["Folder"]
 132                 self.current_folder.append(folder)
 133                 self.folder_stack.append(folder)
 134                 self.current_folder = folder
 135
 136             elif "Ruler" in record:
 137                 self.current_folder.append(Ruler())
 138
 139             else:
 140                 raise KeyError(
 141                     'neither "URL" nor "Folder" nor "Ruler" in record '
 142                     + str(record)
 143                 )
 144
 145         if save_level >= 0:
 146             self.unindent(save_level, 0)
 147         else:
 148             raise ValueError("new level (%d) too little - must be >= 0"
 149                              % save_level)
 150
 151         return root_folder