index koincidence pro kratke zpravy

[krypto.git] / krypto.py

diff --git a/krypto.py b/krypto.py
index 55d249a..392e8ba 100755 (executable)
--- a/krypto.py
+++ b/krypto.py
@@ -14,125 +14,115 @@ import posuny
 from spolecne import ABECEDA
 import vigenere
 
 from spolecne import ABECEDA
 import vigenere
 

-opsny = ''
-
-if opsny == 'H':
-    posli_mail(odesilatel, "Napoveda", ''.join("Napoveda:\n"
-               "Prikazy robotovi vkladejte do predmetu zpravy "
-               "zaslane na adresu ", 
-               settings.mail, ".\nNa velikosti pismen nezalezi."
-               "\n\nSeznam prikazu:\n"
-               "\"", settings.subject, "\"   Analyza zpravy z tela mailu.\n" 
-               "\"", settings.subject, " X\" Vynuti analyzu bez mezer.\n"
-               "\"", settings.subject, " M\" Vynuti analyzu s mezerami.\n"
-               "\"", settings.subject, " B\" Vypise cetnost vsech bigramu.\n"
-               "\"", settings.subject, " P\" Vypise vsechny posunuti textu.\n"
-               "\"", settings.subject, " A\" Vypise uplne vsechno co dava "
-               "alespon trochu smysl (nedoporucuji).\n"
-               "\"", settings.subject, " H\" Tato napoveda.\n"
-               "\nVolby (mimo \"H\") je mozno libovolne kombinovat.\n"
-               "Napriklad \"", settings.subject, " LXB\" analyzuje posledni "
-               "prijatou zpravu s vynucenim analyzy bez mezer a navic vypise "
-               "cetnosti bigramu.\n"
-               "\nS pozdravem\nVas Robot\n"))
-    sys.exit()
-
-telo = sys.stdin.read()
-zprava = telo.strip().upper()
-
-# Prepinani spacemodu
-mod_m = False
-mod_x = False
-if 'X' in opsny:
-    mod_x = True
-if 'M' in opsny:
-    mod_m = True
-if 'A' in opsny:
-    mod_x = True
-    mod_m = True
-if not mod_m and not mod_x:
-    if ' ' in ocesat(zprava, True)[1:-1]:
+def analyza(zprava, opsny):
+    analyza = []
+
+    # Prepinani spacemodu
+    mod_m = False
+    mod_x = False
+    if 'X' in opsny:
+        mod_x = True
+    if 'M' in opsny:

         mod_m = True
         mod_m = True

-        print "Automaticky zvolena analyza s mezerami."
-    else:
+    if 'A' in opsny:

         mod_x = True
         mod_x = True

-        print "Automaticky zvolena analyza bez mezer."
-    
-# Zakladni udaje
-print "\nZakladni udaje:"
-if mod_m:
-    print ("Delka zpravy (vcetne mezer a zvlastnich znaku: " +
-        str(len(zprava)))
-print ("Delka zpravy (bez mezer a zvlastnich znaku): " +
-    str(len(ocesat(zprava, False))))
-
-# Prumerna delka slova
-if mod_m:
-    print "\nPrumerna delka slova:"
-    slova = ocesat(zprava, True).split()
-    print ('{0:.3}'.format(float(sum([len(word) for word in slova]))/len(slova)))
-
-# Frekvence znaku 
-print "\nFrekvencni analyza:"
-freq = dict()
-for char in ABECEDA:
-    freq[char] = 0
-for char in zprava:
-    if char in freq:
-        freq[char] += 1
-celkem = sum(freq.values())
-for char in sorted(freq, key=freq.get, reverse=True):
-    print ('{0} {1:>3} {2:>6.2%}'.format(char, freq[char],
-                   float(freq[char])/celkem))
-
-# Index koincidence
-if mod_m:
-    print "\nIndex koincidence (s mezerami):"
-    print ('{0:.2%}'.format(
-                   koincidence.index_koincidence(zprava, True)))
-if mod_x and len(zprava) >= 30:
-    #TODO tady by se spravne mela porovnavat delka ocesane zpravy
-    print "\nIndexy koincidence (bez mezer):"
-    print koincidence.tabulka_indexu(zprava)
-
-# Vigenere
-if 'V' in opsny:
-    print "\nHeslo k Vigenerovi (" + opsny[-1] + "):"
-    vig_heslo, vig_text = vigenere.vsechno(zprava, int(opsny[-1]))
-    print vig_heslo
-    print vig_text
-
-# Jakobsen
-if mod_m:
-    print "\nJakobsen (s mezerami):"
-    print jakobsen.desifruj(zprava)
-if mod_x:
-    print "\nJakobsen (bez mezer):"
-    print jakobsen.desifruj(zprava, False)
-
-# Posuny v abecede
-(posun, posunuty_text) = posuny.nejlepsi(zprava)
-if 'P' in opsny or 'A' in opsny:
-    print "\nPosuny v abecede (nejlepsi posun {0}):".format(posun)
-    print("\n".join("{0:>2} {1}".format(
-                   i + 1, posuny.vsechny(zprava)[i]) for i in range(26)))
-else:
-    print "\nNejlepsi posun ({0}):".format(posun)
-    print posunuty_text
-
-# Bigramy
-if 'B' in opsny or 'A' in opsny:
-    print "\nBigramy podle cetnosti:"
-    bigramy = dict()
-    for i in ABECEDA:
-        for j in ABECEDA:
-            bigramy[i+j] = 0
-    for i in range(0, len(zprava)-1):
-        if zprava[i:i+2] in bigramy:
-            bigramy[zprava[i:i+2]] += 1
-    celkem = sum(bigramy.values())
-    for char in sorted(bigramy, key=bigramy.get, reverse=True):
-        if bigramy[char] == 0:
-            break
-        print('{0} {1:>3} {2:>6.2%}'.format(char, bigramy[char],
-                       float(bigramy[char])/celkem))
+        mod_m = True
+    if not mod_m and not mod_x:
+        if ' ' in ocesat(zprava, True)[1:-1]:
+            mod_m = True
+            analyza.append("Automaticky zvolena analyza s mezerami.")
+        else:
+            mod_x = True
+            analyza.append("Automaticky zvolena analyza bez mezer.")
+        
+    # Zakladni udaje
+    analyza.append("\nZakladni udaje:")
+    if mod_m:
+        analyza.append("Delka zpravy (vcetne mezer a zvlastnich znaku: " +
+            str(len(zprava)))
+    analyza.append("Delka zpravy (bez mezer a zvlastnich znaku): " +
+        str(len(ocesat(zprava, False))))
+
+    # Prumerna delka slova
+    if mod_m:
+        analyza.append("\nPrumerna delka slova:")
+        slova = ocesat(zprava, True).split()
+        analyza.append('{0:.3}'.format(float(sum([len(word) for word in slova]))/len(slova)))
+
+    # Frekvence znaku 
+    analyza.append("\nFrekvencni analyza:")
+    freq = dict()
+    for char in ABECEDA:
+        freq[char] = 0
+    for char in zprava:
+        if char in freq:
+            freq[char] += 1
+    celkem = sum(freq.values())
+    for char in sorted(freq, key=freq.get, reverse=True):
+        analyza.append('{0} {1:>3} {2:>6.2%}'.format(char, freq[char],
+                       float(freq[char])/celkem))
+
+    # Index koincidence
+    if mod_m:
+        analyza.append("\nIndex koincidence (s mezerami):")
+        analyza.append('{0:.2%}'.format(
+                       koincidence.index_koincidence(zprava, True)))
+    if mod_x:
+        #TODO tady by se spravne mela porovnavat delka ocesane zpravy
+        analyza.append("\nIndexy koincidence (bez mezer):")
+        analyza.append(koincidence.tabulka_indexu(zprava))
+
+
+    # Vigenere
+    if 'V' in opsny:
+        analyza.append("\nHeslo k Vigenerovi (" + opsny[-1] + "):")
+        vig_heslo, vig_text = vigenere.vsechno(zprava, int(opsny[-1]))
+        analyza.append(vig_heslo)
+        analyza.append(vig_text)
+
+    # Jakobsen
+    if mod_m:
+        analyza.append("\nJakobsen (s mezerami):")
+        analyza.append(jakobsen.desifruj(zprava))
+    if mod_x:
+        analyza.append("\nJakobsen (bez mezer):")
+        analyza.append(jakobsen.desifruj(zprava, False))
+
+    # Posuny v abecede
+    (posun, posunuty_text) = posuny.nejlepsi(zprava)
+    if 'P' in opsny or 'A' in opsny:
+        analyza.append("\nPosuny v abecede (nejlepsi posun {0}):".format(posun))
+        analyza.append("\n".join("{0:>2} {1}".format(
+                       i + 1, posuny.vsechny(zprava)[i]) for i in range(26)))
+    else:
+        analyza.append("\nNejlepsi posun ({0}):".format(posun))
+        analyza.append(posunuty_text)
+
+    # Bigramy
+    if 'B' in opsny or 'A' in opsny:
+        analyza.append("\nBigramy podle cetnosti:")
+        bigramy = dict()
+        for i in ABECEDA:
+            for j in ABECEDA:
+                bigramy[i+j] = 0
+        for i in range(0, len(zprava)-1):
+            if zprava[i:i+2] in bigramy:
+                bigramy[zprava[i:i+2]] += 1
+        celkem = sum(bigramy.values())
+        for char in sorted(bigramy, key=bigramy.get, reverse=True):
+            if bigramy[char] == 0:
+                break
+            analyza.append('{0} {1:>3} {2:>6.2%}'.format(char, bigramy[char],
+                           float(bigramy[char])/celkem))
+    return '\n'.join(analyza)
+
+if __name__ == '__main__':
+    if len(sys.argv) > 1:
+        opsny = sys.argv[1]
+    else:
+        opsny = ''
+
+    telo = sys.stdin.read()
+    zprava = telo.strip().upper()
+    print(analyza(zprava, opsny))
+