paul@104 | 1 | #!/usr/bin/env python |
paul@104 | 2 | |
paul@104 | 3 | """ |
paul@104 | 4 | Directory input context. |
paul@104 | 5 | |
paul@104 | 6 | Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk> |
paul@104 | 7 | |
paul@104 | 8 | This program is free software; you can redistribute it and/or modify it under |
paul@104 | 9 | the terms of the GNU General Public License as published by the Free Software |
paul@104 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
paul@104 | 11 | version. |
paul@104 | 12 | |
paul@104 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@104 | 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@104 | 15 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@104 | 16 | details. |
paul@104 | 17 | |
paul@104 | 18 | You should have received a copy of the GNU General Public License along with |
paul@104 | 19 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@104 | 20 | """ |
paul@104 | 21 | |
paul@104 | 22 | from moinformat.input.common import Input |
paul@104 | 23 | from moinformat.utils.directory import Directory |
paul@132 | 24 | from os.path import sep |
paul@104 | 25 | |
paul@137 | 26 | class DirectoryInput(Input): |
paul@104 | 27 | |
paul@104 | 28 | "A directory output context." |
paul@104 | 29 | |
paul@104 | 30 | name = "directory" |
paul@104 | 31 | |
paul@165 | 32 | def __init__(self, metadata): |
paul@104 | 33 | |
paul@165 | 34 | "Initialise the context with the given 'metadata'." |
paul@104 | 35 | |
paul@165 | 36 | if not metadata.has_key("input_filename"): |
paul@165 | 37 | raise ValueError, metadata |
paul@104 | 38 | |
paul@165 | 39 | Input.__init__(self, metadata) |
paul@165 | 40 | self.dir = Directory(metadata.get("input_filename")) |
paul@104 | 41 | |
paul@132 | 42 | # Support an encoding of the level separator for the filesystem. |
paul@132 | 43 | # Where it is the same as the directory separator, documents are stored |
paul@132 | 44 | # using nested directories, not as a flat list. |
paul@132 | 45 | |
paul@165 | 46 | self.level_sep = metadata.get("input_separator", sep) |
paul@132 | 47 | |
paul@132 | 48 | def all(self): |
paul@132 | 49 | |
paul@132 | 50 | "Return all pages in the context." |
paul@132 | 51 | |
paul@154 | 52 | # Ignore dotfiles. |
paul@154 | 53 | |
paul@154 | 54 | return map(self.to_pagename, self.dir.select_files("[!.]*")) |
paul@132 | 55 | |
paul@132 | 56 | # Page characteristics. |
paul@132 | 57 | |
paul@132 | 58 | def subpage_filenames(self, pagename): |
paul@132 | 59 | |
paul@132 | 60 | "Return the subpage filenames of 'pagename'." |
paul@132 | 61 | |
paul@132 | 62 | pattern = self.to_filename("%s/*" % pagename) |
paul@137 | 63 | return self.dir.select_files(pattern) |
paul@132 | 64 | |
paul@132 | 65 | def subpages(self, pagename): |
paul@132 | 66 | |
paul@132 | 67 | "Return the subpages of 'pagename'." |
paul@132 | 68 | |
paul@132 | 69 | return map(self.to_pagename, self.subpage_filenames(pagename)) |
paul@132 | 70 | |
paul@132 | 71 | # Page access methods. |
paul@132 | 72 | |
paul@104 | 73 | def readfile(self, filename, encoding=None): |
paul@104 | 74 | |
paul@104 | 75 | """ |
paul@104 | 76 | Return the contents of the file having the given 'filename' and optional |
paul@104 | 77 | 'encoding'. |
paul@104 | 78 | """ |
paul@104 | 79 | |
paul@137 | 80 | return self.readpath(self.dir.get_filename(filename), encoding) |
paul@132 | 81 | |
paul@132 | 82 | # NOTE: Translation methods should encode filenames appropriately. |
paul@132 | 83 | |
paul@132 | 84 | def to_filename(self, pagename): |
paul@132 | 85 | |
paul@132 | 86 | "Return the filename corresponding to 'pagename'." |
paul@132 | 87 | |
paul@132 | 88 | if sep == self.level_sep: |
paul@132 | 89 | return pagename |
paul@132 | 90 | else: |
paul@132 | 91 | return self.level_sep.join(pagename.split("/")) |
paul@132 | 92 | |
paul@132 | 93 | def to_pagename(self, filename): |
paul@132 | 94 | |
paul@132 | 95 | "Return the pagename corresponding to 'filename'." |
paul@132 | 96 | |
paul@132 | 97 | if sep == self.level_sep: |
paul@132 | 98 | return filename |
paul@132 | 99 | else: |
paul@132 | 100 | return "/".join(filename.split(self.level_sep)) |
paul@104 | 101 | |
paul@104 | 102 | input = DirectoryInput |
paul@104 | 103 | |
paul@104 | 104 | # vim: tabstop=4 expandtab shiftwidth=4 |