Fable's solution to Python Poetry

.gitignore

@@ -0,0 +1,47 @@
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# =========================
+# Operating System Files
+# =========================
+
+# OSX
+# =========================
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# other
+.idea

poetry.html

@@ -76,6 +76,7 @@ <h2>Solutions</h2>
 <li>Matt Page-Lieberman's solution is <a href="https://github.com/BostonPython/puzzles/blob/gh-pages/solutions/jotaemei/pythonpoetry.py">pythonpoetry.py</a></li>
 <li>Aaron Hill's solution is <a href="https://github.com/BostonPython/puzzles/blob/gh-pages/solutions/Aaron1011/poetry.py">poetry.py</a></li>
 <li>Josh McGrath's solution is <a href="https://github.com/BostonPython/puzzles/blob/gh-pages/solutions/joshmcgrath08/poetry.py">poetry.py</a></li>
+<li>Fable Turas's solution is <a href="https://github.com/BostonPython/puzzles/blob/gh-pages/solutions/FableT/PyPoetry.py">PyPoetry.py</a></li>
 </ul>
 
 <p>If you have a solution you'd like to share see the <a href="solutions.html">Solutions page</a> for instructions.</p>

solutions/FableT/PyPoetry.py

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+# load poem or phrase from file into variable
+with open('poem.txt') as f:
+    poem = f.read()
+
+# load unix words dictionary into words variable
+with open('usr/share/dict/words') as w:
+    words = w.read().splitlines()
+
+
+# pick out all letters with unique, non-zero counts
+def unique_letters(key_phrase):
+    available_letters = set([c for c in key_phrase if c.isalpha()])
+    letter_counts = [key_phrase.count(c) for c in available_letters]
+    return [c for c in available_letters if letter_counts.count(key_phrase.count(c)) == 1]
+
+
+# creates mapping with code as key for decoding
+code_into_letter = {poem.count(c): c for c in unique_letters(poem)}
+
+# creates mapping with letter as key for encoding
+letter_into_code = {c: poem.count(c) for c in unique_letters(poem)}
+
+
+# encode or decode the riddle
+def riddle_me_this(riddle, mapping):
+    return [mapping[key] for key in riddle]
+
+
+# returns all words that can be used in a door riddle
+def riddle_words(all_words, available_letters):
+    return [riddle for riddle in all_words if set(riddle).issubset(available_letters)]
+
+
+# returns all riddle codes for potential door riddles
+def coded_riddles(all_words, mapping):
+    return [riddle_me_this(word, mapping) for word in all_words]
+
+
+# print list items to file, one item per line
+def print_to_file(file_name, list_to_print):
+    fo = open(file_name, "w")
+    for item in list_to_print:
+        fo.write(str(item) + "\n")
+    fo.close()
+
+
+# print dictionary to file, one key/value pair per line
+def print_dict(file_name, dict_to_print):
+    fo = open(file_name, "w")
+    for key, value in dict_to_print.items():
+        fo.write(str(key) + ": " + str(value) + "\n")
+    fo.close()
+
+
+# relevant solutions saved to variables
+all_letters = unique_letters(poem)
+word_list = riddle_words(words, all_letters)
+riddle_codes = coded_riddles(word_list, letter_into_code)
+answer_key = {tuple(code): ''.join(riddle_me_this(code, code_into_letter)) for code in riddle_codes}
+longest_word = max(word_list, key=len)
+
+#print comprehensive lists to files
+print_to_file("word_list.txt", word_list)
+print_to_file("riddle_list.txt", riddle_codes)
+print_dict("answer_key.txt", answer_key)
+
+if __name__ == '__main__':
+    print("Available letters are: {}".format(', '.join(unique_letters(poem))))
+    print("Letter mapping is: {}".format(letter_into_code))
+
+    print("\nThe answer to the riddle: [56,38,44,56,29] is '{}'".format(''.join(riddle_me_this([56, 38, 44, 56, 29], code_into_letter))))
+    print("\nThe longest riddle is {}".format(riddle_me_this(longest_word, letter_into_code)))
+    print("Its solution is '{}'".format(longest_word))
+    print("\nSee the text files for a complete riddle list, a complete word list, or an answer key with riddles and their solutions")

solutions/FableT/poem.txt

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+a narrow fellow in the grass
+occasionally rides;
+you may have met him, did you not,
+his notice sudden is.
+
+the grass divides as with a comb,
+a spotted shaft is seen;
+and then it closes at your feet
+and opens further on.
+
+he likes a boggy acre,
+a floor too cool for corn.
+yet when a child, and barefoot,
+i more than once, at morn,
+
+have passed, i thought, a whip-lash
+unbraiding in the sun,
+when, stooping to secure it,
+it wrinkled, and was gone.
+
+several of nature's people
+i know, and they know me;
+i feel for them a transport
+of cordiality;
+
+but never met this fellow,
+attended or alone,
+without a tighter breathing,
+and zero at the bone.