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#!/usr/bin/env python
#
# Picaro: An simple command-line alignment visualization tool.
#
# picaro.py
# Visualize alignments between sentences in a grid format.
#
# Jason Riesa <[email protected]>
# version: 01-16-2010
#
# Copyright (C) 2013 Jason Riesa
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import sys, os, commands
from collections import defaultdict
#TC_BIN = "tc/tc.linux32"
a1_file_str = ""
a2_file_str = ""
f_file_str = ""
e_file_str = ""
SHOW_TC_A1 = 0
SHOW_TC_A2 = 0
maxlen = float('inf')
# Process command line options
try:
while len(sys.argv) > 1:
option = sys.argv[1]; del sys.argv[1]
if option == '-a1':
a1_file_str = sys.argv[1]; del sys.argv[1]
elif option == '-a2':
a2_file_str = sys.argv[1]; del sys.argv[1]
elif option == '-f':
f_file_str = sys.argv[1]; del sys.argv[1]
elif option == '-e':
e_file_str = sys.argv[1]; del sys.argv[1]
elif option == '-maxlen':
maxlen = int(sys.argv[1]); del sys.argv[1]
else:
sys.stderr.write("Invalid option: %s\n" % (option))
sys.exit(1)
'''
elif option == '-tc':
if sys.argv[1] == '1':
SHOW_TC_A1 = 1; del sys.argv[1]
elif sys.argv[1] == '2':
SHOW_TC_A2 = 2; del sys.argv[1]
else:
raise Exception, "Invalid argument to option -tc"
'''
if a1_file_str == "" or f_file_str == "" or e_file_str == "":
raise Exception, "Not all options properly specified."
# Make sure transitive closure binary exists if user has enabled this option
if SHOW_TC_A1 or SHOW_TC_A2:
if not os.path.exists(TC_BIN):
raise Exception, "Transitive closure binary "+TC_BIN+" not found."
except Exception, msg:
sys.stderr.write("%s: %s\n" % (sys.argv[0], msg))
sys.stderr.write("Usage: %s: -a1 <alignment1> -f <f> -e <e> [-a2 <alignment2>]\n" % (sys.argv[0]))
sys.stderr.write("Mandatory arguments:\n")
sys.stderr.write(" -a1 <a1>\t path to alignment 1 file in f-e format\n")
sys.stderr.write(" -f <f>\t\t path to source text f\n")
sys.stderr.write(" -e <e>\t\t path to target text e\n")
sys.stderr.write("Optional arguments:\n")
sys.stderr.write(" -a2 <a2>\t path to alignment 2 file in f-e format\n")
sys.stderr.write(" -maxlen <len>\t display alignment only when e and f have length <= len\n")
sys.exit(1)
a_file = open(a1_file_str, 'r')
f_file = open(f_file_str, 'r')
e_file = open(e_file_str, 'r')
if a2_file_str != "":
a2_file = open(a2_file_str, 'r')
sentenceNumber = 0
nextRequested = 1
for aline in a_file:
eline = e_file.readline()
fline = f_file.readline()
if a2_file_str != "":
a2line = a2_file.readline()
links = aline.split()
e_words = eline.split()
f_words = fline.split()
if a2_file_str != "":
links2 = a2line.split()
# Get transitive closure of links and links2
if SHOW_TC_A1:
cmd = 'echo "' + ' '.join(links) + '" | ' + TC_BIN
failure1, output1 = commands.getstatusoutput(cmd)
tc1 = output1.split()
if SHOW_TC_A2:
cmd = 'echo "' + ' '.join(links2) + '" | ' + TC_BIN
failure2, output2 = commands.getstatusoutput(cmd)
tc2 = output2.split()
# Update tracking counts
sentenceNumber += 1
if sentenceNumber < nextRequested:
continue
# Don't generate alignment grids for very large sentences
if len(e_words) > maxlen or len(f_words) > maxlen:
continue
print "== SENTENCE ",sentenceNumber," =="
# Initialize alignment objects
# a holds alignments of user-specified -a1 <file>
# a2 holds alignments of user-specified -a2 <file>
a = defaultdict(lambda: defaultdict(int))
a2 = defaultdict(lambda: defaultdict(int))
# Print e_words on the columns
# First, find the length of the longest word
longestEWordSize = 0
longestEWord = 0
for w in e_words:
if len(w) > longestEWordSize:
longestEWordSize = len(w)
longestEWord = w
# Now, print the e-words
for i in range(longestEWordSize, 0, -1):
for w in e_words:
if len(w) < i:
print " ",
else:
print w[(i*-1)],
print
# Fill in alignment matrix 1
for link in links:
i, j = map(int, link.split('-'))
a[int(i)][int(j)] = 1
# Fill in extra links added by transitive closure
if SHOW_TC_A1:
for link in tc1:
i, j = map(int, link.split('-'))
if(a[i][j] != 1):
a[i][j] = 2
# Fill in alignment matrix 2
if(a2_file_str != ""):
for link in links2:
i, j = map(int, link.split('-'))
a2[i][j] = 1
# Fill in extra links added by transitive closure
if SHOW_TC_A2:
for link in tc2:
i, j = map(int, link.split('-'))
if(a2[i][j] != 1):
a2[i][j] = 2
# Print filled-in alignment matrix
if a2_file_str == "":
for i, _ in enumerate(f_words):
for j, _ in enumerate(e_words):
val1 = a[i][j]
if val1 == 0:
# No link
print ':',
elif val1 == 1:
# Regular link
print u'\u001b[44m\u0020\u001b[0m',
elif val1 == 2:
# Link due to transitive closure
# Render as gray-shaded square
print 'O',
print f_words[i]
print
else:
for i, _ in enumerate(f_words):
for j, _ in enumerate(e_words):
val1 = a[i][j]
val2 = a2[i][j]
if val1 == 0 and val2 == 0:
# Link not in a nor a2
# Empty grid box
print ':',
# Link in both a and a2
elif val1 > 0 and val2 > 0:
# Green box
if val1 == 1:
if val2 == 1:
print u'\u001b[42m\u001b[1m\u0020\u001b[0m',
elif val2 == 2:
print u'\u001b[42m\u001b[30m2\u001b[0m',
elif val1 == 2:
if val2 == 1:
print u'\u001b[42m\u0020\u001b[0m',
elif val2 == 2:
print u'\u001b[42m\u001b[30m3\u001b[0m',
# Link in a2, but not a
elif val1 == 0 and val2 > 0:
if val2 == 1:
# Yellow box
print u'\u001b[1m\u001b[43m\u0020\u001b[0m',
elif val2 == 2:
# Artificial link by transitive closure
print u'\u001b[43m\u001b[30m2\u001b[0m',
# Link in a, but not a2
elif val1 > 0 and val2 == 0:
if val1 == 1:
# Blue box
print u'\u001b[1m\u001b[44m\u0020\u001b[0m',
elif val1 == 2:
print u'\u001b[44m\u001b[37m1\u001b[0m',
print f_words[i]
nextDefault = sentenceNumber + 1
sys.stdout.write("Enter next alignment number or 'q' to quit [%d]: " %(nextDefault))
user_input = sys.stdin.readline().strip()
if user_input == "":
nextRequested = nextDefault
elif user_input[0] == "q" or user_input == "quit":
sys.exit(1)
else:
try:
nextRequested = int(user_input)
except:
nextRequested = sentenceNumber + 1
sys.stdout.write("Unknown alignment id: %s\nContinuing with %d.\n" %(user_input, nextRequested))
a_file.close()
e_file.close()
f_file.close()
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