Date: Sat, 27 Jul 2013 02:47:11 -0700 (PDT)
From: Alec Lownes <alec.lownes@gmail.com>
To: lojban@googlegroups.com
Message-Id: <02e2fb5e-cdf7-4a5c-8bb2-fe6f5fa1f036@googlegroups.com>
Subject: [lojban] Alec's lujvo creator written in python
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Hey everyone,

I'm relatively new to the lojban scene, but I decided to write a lujvo 
creator in python to make adding lujvo easier. I tried my best to 
understand and codify all of the rules for creating lujvo (although I might 
have had some trouble understanding the tosmabru test). If people can 
stress test my script to make sure it is working correctly, I would be very 
thankful. I have attached the lujvo.py file. You also need to download 
http://www.lojban.org/files/history/bothraf.txt into the same directory as 
lujvo.py . Then just run lujvo.py and enter in lujvo components to get a 
list of (hopefully) correct lujvo with their scores.

Here is a sample run:

Include a list of members of the lujvo separated by spaces. Example:
> bangu smuni
> bangu smuni
> 5847    bausmu
> 5878    bansmu
> 7917    bansmuni
> 8008    bangysmu
> 8986    baursmuni
> 10047   bangysmuni
>

If you find any bugs, please post the lujvo components that gave you the 
error, and why the returned lujvo are wrong, and I'll get right on it, 
uploading a new version asap.

Thanks everyone!

-Alec 

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Hey everyone,<br><br>I'm relatively new to the lojban scene, but I decided =
to write a lujvo creator in python to make adding lujvo easier. I tried my =
best to understand and codify all of the rules for creating lujvo (although=
 I might have had some trouble understanding the tosmabru test). If people =
can stress test my script to make sure it is working correctly, I would be =
very thankful. I have attached the lujvo.py file. You also need to download=
 http://www.lojban.org/files/history/bothraf.txt into the same directory as=
 lujvo.py . Then just run lujvo.py and enter in lujvo components to get a l=
ist of (hopefully) correct lujvo with their scores.<br><br>Here is a sample=
 run:<br><br><blockquote style=3D"margin: 0pt 0pt 0pt 0.8ex; border-left: 1=
px solid rgb(204, 204, 204); padding-left: 1ex;" class=3D"gmail_quote">Incl=
ude a list of members of the lujvo separated by spaces. Example:<br>bangu s=
muni<br>bangu smuni<br>5847&nbsp;&nbsp;&nbsp; bausmu<br>5878&nbsp;&nbsp;&nb=
sp; bansmu<br>7917&nbsp;&nbsp;&nbsp; bansmuni<br>8008&nbsp;&nbsp;&nbsp; ban=
gysmu<br>8986&nbsp;&nbsp;&nbsp; baursmuni<br>10047&nbsp;&nbsp; bangysmuni<b=
r></blockquote><div><br>If you find any bugs, please post the lujvo compone=
nts that gave you the error, and why the returned lujvo are wrong, and I'll=
 get right on it, uploading a new version asap.<br><br>Thanks everyone!<br>=
<br>-Alec <br></div><br>

<p></p>

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#This program takes rafsi and turns them into the best lujvo
#Run it with a list as an argument which contains lists of rafsi
#Like this: lujvo([["ger", "ge'u", "gerk", "gerku"],["zda", "zdan", "zdani"]])

#Write it so that you enter a string, which is separated by spaces and commas
#The commas separate different gismu

import itertools
import math

vowels = ['a','e','i','o','u']
initCon = ['bl', 'br', 'cf', 'ck', 'cl', 'cm', 'cn', 'cp', 'cr', 'ct', 'dj', 'dr', 'dz', 'fl', 'fr', 'gl', 'gr', 'jb', 'jd', 'jg', 'jm' ,'jv' ,'kl', 'kr', 'ml', 'mr', 'pl', 'pr' ,'sf' ,'sk', 'sl', 'sm', 'sn', 'sp', 'sr', 'st', 'tc', 'tr', 'ts', 'vl', 'vr', 'xl', 'xr', 'zb', 'zd', 'zg', 'zm', 'zv']

def conBad(x):
    #This uses http://www.lojban.org/publications/reference_grammar/chapter3.html
    #to see if a string of two consonants (a) is not allowed within a lujvo. Return True if not allowed.
    unvoiced = ['p','t','k','f','c','s','x']
    voiced = ['b','d','g','v','j','z']
    forb = ['c','j','s','z']
    forc = ['cx','kx','xc','xk','mz']
    lia = []
    lib = []
    put = False
    if x[0] == x[1]:
        put = True
    if (x[0] in unvoiced and x[1] in voiced) or (x[0] in voiced and x[1] in unvoiced):
        put = True
    if x[0] in forb and x[1] in forb:
        put = True
    if x in forc:
        put = True
    return put

def rafsi():
    #Download http://www.lojban.org/files/history/bothraf.txt
    #and put it in the same folder as lujvo.py
    f = open('bothraf.txt','r+')
    end = {}
    f.readline()
    f.readline()
    f.readline()
    f.readline()
    f.readline()
    f.readline()
    for line in f:
        h = line.split()[0]
        ga = line[29:]
        gb = ga.split()
        gb.append(h)
        end[h] = gb
    return end
    f.close()

def form(a):
    st = ""
    for x in a:
        if x in vowels:
            st += 'V'
        elif x != '\'':
            st += 'C'
    return st

def ln(a):
    g = 0
    for x in a:
        if x != '\'':
            g += 1
    return g

def score(a):
    end = []
    for b in a:
        T = 0
        L = 0
        A = 0
        H = 0
        R = 0
        V = 0
        for c in b:
            L += len(c)
            A += c.count('\'')
            if c == 'y' or c == 'r' or c == 'n':
                H += 1
            if form(c) == 'CVCCV':
                R += 1
            elif form(c) == 'CVCC':
                R += 2
            elif form(c) == 'CCVCV':
                R += 3
            elif form(c) == 'CCVC':
                R += 4
            elif form(c) == 'CVC':
                R += 5
            elif form(c) == 'CVV' and c.count('\'') == 1:
                R += 6
            elif form(c) == 'CCV':
                R += 7
            elif form(c) == 'CVV' and c.count('\'') == 0:
                R += 8
            V += form(c).count('V')
        smu = ""
        for c in b:
            smu += c
        T = (1000 * L) - (500 * A) + (100 * H) - (10 * R) - V
        end.append((T,smu))
    end = sorted(end)
    return end

def lujvo(lia=None):
    if lia == None:
        print "Include a list of members of the lujvo separated by spaces. Example:"
        print "bangu smuni"
        lia = raw_input().lower()
    lib = lia.split()
    li = []
    e = rafsi()
    for x in lib:
        li.append(e[x])
    #li is in format [['asf','asdf'],['asdf,'asdf']]
    #print 'li'
    #print li
    num = len(li)
    new = []
    for x in range(num):
        if x < (num-1):
            g = []
            #print 'lix'
            #print li[x]
            for y in li[x]:
                if ln(y) == 3 or ln(y) == 4:
                    g.append(y)
            new.append(g)
            #print 'g'
            #print g
        else:
            g = []
            for y in li[x]:
                if ln(y) == 5:
                    g.append(y)
                elif ln(y) == 3:
                    if form(y) == 'CVV' or form(y) == 'CCV':
                        g.append(y)
            new.append(g)
    #print "new list"
    #print new
    premade = list(itertools.product(*new))
    parts = []
    for pre in premade:
        p = []
        p.append(pre[0])
        siz = len(pre)
        if siz == 2:
            if form(pre[0]) == "CVV" and form(pre[1]) != "CCV":
                if pre[1][0] == 'r':
                    p.append('n')
                else:
                    p.append('r')
            bef = ln(pre[0])
            imp = pre[0][len(pre[0])-1] + pre[1][0]
            if bef == 4:
                p.append('y')
            elif form(imp) == "CC" and conBad(imp):
                p.append('y')
            p.append(pre[1])
        else:
            n = 0
            if form(pre[0]) == "CVV":
                n += 1
                if pre[1][0] == 'r':
                    p.append('n')
                else:
                    p.append('r')
            while n < len(pre)-1:
                #this goes up until the next to last index, starting at 0
                bef = ln(pre[n])
                imp = pre[n][len(pre[n])-1] + pre[n+1][0]
                if bef == 4:
                    p.append('y')
                elif pre[n][len(pre[n])-1] == pre[n+1][0]:
                    p.append('y')
                elif form(imp) == "CC" and conBad(imp):
                    p.append('y')
                p.append(pre[n+1])
                n += 1
        #tosmabru test on p NOT FINISHED YET!!!!
        if (form(p[len(p)-1]) == "CVCCV" or (p[len(p)-2] == "y" and form(p[len(p)-3]) == "CVC")) and form(p[0]) == "CVC" and form(p[len(p)-2]) == "CVC":
            #print 'true1'
            n = 0
            t = True
            while n < len(p)-1:
                #print '1'
                #This goes from 0 to the next to last index
                if form(p[n]) == "CVC" and form(p[n+1]) == 'CVC':
                    imp = p[n][len(p[n])-1] + p[n+1][0]
                    if imp not in initCon:
                        t = False
                        #print 'false1'
                n += 1
            n = 0
            if t:
                #print'true2'
                d = p
                p = []
                p.append(d[n])
                while n < len(d)-1:
                    #print '2'
                    #This goes from 0 to the next to last index
                    if form(d[n]) == "CVC" and (form(d[n+1]) == 'CVC' or form(d[n+1]) == 'CVCCV'):
                        imp = d[n][len(d[n])-1] + d[n+1][0]
                        #print imp
                        if imp in initCon:
                            #print 'true3'
                            p.append('y')
                    p.append(d[n+1])
                    n += 1
        parts.append(p)
    #print parts
    end = []
    end = score(parts)
    #print 'end'
    for a in end:
        spaces = ""
        for x in range(int(8-math.log((a[0]+1),10))):
            spaces += " "
        print str(a[0]) + spaces + a[1]

lujvo()

#test cases     
'''
lujvo("ger ge'u gerk gerku , zda zdan zdani")
lujvo("lot blo lo\'i , kle lei")
lujvo('loj logj , ban bau bang , gri girzu gir girz')
lujvo('fal fa\'u farl,plin plini')
lujvo("tos,   tos, mabru")
'''

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