| # Copyright (C) 2010 Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| """Generic routines to convert platform-specific paths to URIs.""" |
| |
| import urllib |
| |
| |
| def abspath_to_uri(platform, path): |
| """Converts a platform-specific absolute path to a file: URL.""" |
| return 'file:' + _escape(_convert_path(platform, path)) |
| |
| |
| def _escape(path): |
| """Handle any characters in the path that should be escaped.""" |
| # FIXME: web browsers don't appear to blindly quote every character |
| # when converting filenames to files. Instead of using urllib's default |
| # rules, we allow a small list of other characters through un-escaped. |
| # It's unclear if this is the best possible solution. |
| return urllib.quote(path, safe='/+:') |
| |
| |
| def _convert_path(platform, path): |
| """Handles any os-specific path separators, mappings, etc.""" |
| if platform.is_win(): |
| return _winpath_to_uri(path) |
| return _unixypath_to_uri(path) |
| |
| |
| def _winpath_to_uri(path): |
| """Converts a window absolute path to a file: URL.""" |
| return '///' + path.replace('\\', '/') |
| |
| |
| def _unixypath_to_uri(path): |
| """Converts a unix-style path to a file: URL.""" |
| return '//' + path |
