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Description:

pathlesstaken 1.0.2rc1

pathlesstaken
Profile strings, e.g. file paths for digital preservation considerations, e.g.
characters that you want to preserve, or characters that you don't want to
preserve.
pathlesstaken has no external dependencies so you can clone this repo and
just run it. Just as long as your environment supports Python and you can
download it!
Basis for this module
The original analysis was based around this non-recommended filenames from
Microsoft: Non-recommended names from Microsoft
The code also contains copy Cooper Hewitt's code to enable writing of plain
text descriptions of Unicode characters. This portion of the code is licensed
BSD 3-Clause "New" or "Revised" License

Py-Unicode at Cooper Hewitt

The bigger project this code was developed for is still here:
droid-siegfried-sqlite-analysis
Example output
Given a Unicode string: $ pathlesstaken.py ❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x2764, HEAVY BLACK HEART: ❤'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x1f496, SPARKLING HEART: 💖'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x1f499, BLUE HEART: 💙'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x1f49a, GREEN HEART: 💚'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x1f49b, YELLOW HEART: 💛'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x1f49c, PURPLE HEART: 💜'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x1f49d, HEART WITH RIBBON: 💝'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x2655, WHITE CHESS QUEEN: ♕'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x2656, WHITE CHESS ROOK: ♖'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x2657, WHITE CHESS BISHOP: ♗'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x2658, WHITE CHESS KNIGHT: ♘'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x2659, WHITE CHESS PAWN: ♙'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x265a, BLACK CHESS KING: ♚'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x265b, BLACK CHESS QUEEN: ♛'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x265c, BLACK CHESS ROOK: ♜'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x265d, BLACK CHESS BISHOP: ♝'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x265e, BLACK CHESS KNIGHT: ♞'
File: '❤💖💙💚💛💜💝♕♖♗♘♙♚♛♜♝♞♟' contains, characters outside of ASCII range: '0x265f, BLACK CHESS PAWN: ♟'

You can also run a print test by running: $ pathlesstaken.py test
File: 'COM4' contains, reserved name 'COM4'
File: 'COM4.txt' contains, reserved name 'COM4'
File: 'AUX' contains, reserved name 'AUX'
File: 'CON' contains, reserved name 'CON'
File: 'space ' has a SPACE as its last character
File: 'period.' has a period '.' as its last character
File: 'ó' contains, characters outside of ASCII range: '0xf3, LATIN SMALL LETTER O WITH ACUTE: ó'
File: 'é' contains, characters outside of ASCII range: '0xe9, LATIN SMALL LETTER E WITH ACUTE: é'
File: 'ö' contains, characters outside of ASCII range: '0xf6, LATIN SMALL LETTER O WITH DIAERESIS: ö'
File: 'óéö' contains, characters outside of ASCII range: '0xf3, LATIN SMALL LETTER O WITH ACUTE: ó'
File: 'óéö' contains, characters outside of ASCII range: '0xe9, LATIN SMALL LETTER E WITH ACUTE: é'
File: 'óéö' contains, characters outside of ASCII range: '0xf6, LATIN SMALL LETTER O WITH DIAERESIS: ö'
File: 'file[bracket]one.txt' contains, non-recommended character: '0x5b, LEFT SQUARE BRACKET: ['
File: 'file[bracket]one.txt' contains, non-recommended character: '0x5d, RIGHT SQUARE BRACKET: ]'
File: 'file[two.txt' contains, non-recommended character: '0x5b, LEFT SQUARE BRACKET: ['
File: 'filethree].txt' contains, non-recommended character: '0x5d, RIGHT SQUARE BRACKET: ]'
File: '-=_|"' contains, non-recommended character: '0x7c, VERTICAL LINE: |'
File: '-=_|"' contains, non-recommended character: '0x22, QUOTATION MARK: "'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x3c, LESS-THAN SIGN: <'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x3e, GREATER-THAN SIGN: >'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x3a, COLON: :'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x22, QUOTATION MARK: "'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x2f, SOLIDUS: /'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x5c, REVERSE SOLIDUS: \'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x3f, QUESTION MARK: ?'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x2a, ASTERISK: *'
File: '(<>:"/\?*|-)' contains, non-recommended character: '0x7c, VERTICAL LINE: |'
File: '(<>:"/\?*|-)' contains, non-printable character: '0x0, <control character>'
File: '(<>:"/\?*|-)' contains, non-printable character: '0x1f, <control character>'

Please let me know how it goes if you try out this code.
Sister project
If you like to understand your filepaths, but don't need all the detail,
there's a third-way, by taking a look at the fndec project I
created in Golang and using utilities from Richard Lehane's
Siegfried. More info after the jump.
Docs
All docs are available in docs.
DESCRIPTION
Module that implements checks against the Microsoft Recommendations for
file naming, plus additional recommended analyses documented below.

First created based on the recommendations here:
http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx

First available in:
https://github.com/exponential-decay/droid-siegfried-sqlite-analysis-engine

Methods defined here:
|
| complete_file_name_analysis(self, string, folders=False, verbose=False)
| Run all analyses over a string object. The analyses are as follows:
|
| * detect_non_ascii_characters
| * detect_non_recommended_characters
| * detect_non_printable_characters
| * detect_microsoft_reserved_names
| * detect_spaces_at_end_of_names
| * detect_period_at_end_of_name
|
| detect_microsoft_reserved_names(self, string)
| Detect names that are considered difficult on Microsoft file
| systems. There is a special history to these characters which can be
| read about on this link below:
|
| * http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx
|
| detect_non_ascii_characters(self, string, folders=False)
| Detect characters outside of an ASCII range. These are more
| difficult to preserve in today's systems, even still, though it is
| getting easier.
|
| detect_non_printable_characters(self, string, folders=False)
| Detect control characters below 0x20 in the ASCII table that cannot
| be printed. Examples include ESC (escape) or BS (backspace).
|
| detect_non_recommended_characters(self, string, folders=False)
| Detect characters that are not particularly recommended. These
| characters for example a forward slash '/' often have other meanings
| in computer systems and can be interpreted incorrectly if not handled
| properly.
|
| detect_period_at_end_of_name(self, string, folders=False)
| Detect a full-stop at the end of a name. This might indicate a
| missing file extension.
|
| detect_spaces_at_end_of_names(self, string, folders=False)
| Detect spaces at the end of a string. These spaces if ignored can
| lead to incorrectly matching strings, e.g. 'this ' is different to
| 'this'.
|

License
This unique parts of this code is licensed using GPLv3