Chapter 2

Encoding/File/Strings snippets from listings 2.2 to 2.4

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Listing 2.5

#Small game program asking a user to find a random number (Listing 2.5)
#Tell program to import the "random" module
import random
#Generate a random number between 0 and 5
secret_number = random.randint(0,5)
#Question to the user
question = "Guess the number between 0 and 5 and press Enter."
while int(raw_input(question).strip()) != secret_number:
pass
#Tell user that they have won the game
print "You've found it! Congratulations"
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Listing 2.7

#Revision of small game program asking a user to find a random number (Listing 2.7)
#Tell program to import the "random" module
import random
#Generate a random number between 0 and a number selected by the user
number_selection = "Select a maximum number:"
max_number = int(raw_input(number_selection).rstrip())
secret_number = random.randint(0,max_number)
#Question to the user
question = "Guess the number between 0 and %d and press Enter." % max_number
while int(raw_input(question).strip()) != secret_number:
pass
#Tell user that they have won the game
print "You've found it! Congratulations"
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Listings 2.9-2.11

# Listing 2.9
g = "is"
f = "Substitution"
my_string = "%s %s fun" % (f, g)
# Listing 2.10
g = "is"
f = "Substitution"
my_string = "%(topic)s %(copula)s fun" % {"topic": f, "copula": g}
# Listing 2.11
g = "is"
f = "Substitution"
my_string = "{0} {1} fun".format(f,g)
my_string2 = "{topic} {copula} fun".format(topic=f, copula=g)
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Task 2.7.7: Tutorial on regular expressions

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Input file for Task 2.7.8

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Chapter 3

Listing 3.3 (extended)

import os
from datetime import datetime
from django.utils.translation import ugettext as _
from django.utils.translation import get_language_info
from django.http import HttpResponse
from django.template import Context, loader
from app1 import settings
def home(request, collection='headlines', direction=-1, key_sort='published', limit=30):
#Get list of languages for language list
languages = [get_language_info(lang[0]).get('name_local') for lang in settings.LANGUAGE]
langs = dict(zip([lang[0] for lang in settings.LANGUAGE], languages))
latest_headlines_list = None
t = loader.get_template('headlines/index.html')
if settings.MONGO_DB:
my_collection = settings.MONGO_DB[collection]
if my_collection.count() > 0:
latest_headlines_list = my_collection.find().sort(key_sort,
direction=direction).limit(limit)
#Make sure that the publication date is returned as datetime object (for localisation)
temp_list = []
for h in latest_headlines_list:
h['published'] = datetime.strptime(h['published'], "%Y-%m-%dT%H:%M:%SZ")
temp_list.append(h)
latest_headlines_list = temp_list
# Translators: This title is followed by a list of NBA new stories
subheading = _("Your latest NBA headlines.")
c = Context({'subheading': subheading, 'latest_headlines_list': latest_headlines_list,
'collection': collection, 'db_server_name': settings.MONGO_HOST,
'languages': languages, 'langs': langs, 'url': request.get_host()
})
return HttpResponse(t.render(c))
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Listing 3.4 (extended)

{% load i18n %}
<!DOCTYPE html>
<html>
<head>
<title>NBA4ALL</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.3/jquery.mobile-1.4.3.min.css" />
<script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="http://code.jquery.com/mobile/1.4.3/jquery.mobile-1.4.3.min.js"></script>
<style>
.ui-icon-myicon:after {
background-image: url("http://www.languageicon.org/icon.png");
/* Make your icon fit */
background-size: 18px 18px;
}
</style>
</head>
<body>
<div data-role="page">
<div data-role="header">
<h1 align="center" style="font-size:20px"><a href="http://app1.multilingualcontent.org" style="text-decoration: none">NBA4ALL</a></h1>
</div><!-- /header -->
<div role="main" class="ui-content" data-theme="a">
<a href="#popupMenu" data-rel="popup" data-transition="slideup" class="ui-btn ui-corner-all ui-shadow ui-btn-inline ui-icon-myicon ui-btn-icon-left ui-btn-a">...</a>
<div data-role="popup" id="popupMenu" data-theme="a">
<ul data-role="listview" data-inset="true" style="min-width:210px;">
<li data-role="list-divider">{% trans 'Choose Language' %}</li>
{% for code, language in langs.items %}
<li><a href="http://{{ url }}/{{ code }}/">{{ language|title }}</a></li>
{% endfor %}
</ul>
</div>
<h2 align="center">{% trans "Your latest NBA headlines" %}</h2>
{% comment %}Translators: The next sentence should be quite catchy.{% endcomment %}
<p align="center">{% blocktrans %}See what your team has been up to! {% endblocktrans %}</p>
{% if latest_headlines_list %}
<!-- use data-filter-placeholder='?' on listview to change default text: http://jquerymobile.com/test/docs/lists/docs-lists.html -->
<ul data-role="listview" use data-filter-placeholder='?' data-filter="true" data-inset="true" class="ui-listview ui-listview-inset ui-corner-all ui-shadow" data-theme="a">
{% for headline in latest_headlines_list %}
<li class="ui-li-static ui-body-inherit">
<!-- format date and rely on Django's localisation https://docs.djangoproject.com/en/dev/ref/templates/builtins/#date -->
<a target="_blank" href="{{ headline.links.web.href }} " data-rel="dialog" data-transition="slideup" title="{% trans 'Read more online.' %}">
{{ headline.headline }}<br /> ({{ headline.published|date:"l d M Y" }})
</a>
{% if headline.description %}
<p class="ui-li-desc" style="white-space:normal;">
{{ headline.description }}
<!-- Show player names if available -->
{% if headline.categories %}
{% for category in headline.categories %}
{% if category.athlete %}--
<a href="{{ category.athlete.links.web.athletes.href }}"
target="_blank">{{ category.athlete.description }}</a>
{% endif %}
{% endfor %}
{% endif %}
</p>
{% endif %}
</li>
{% endfor %}
</ul>
{% else %}
<p>{% trans 'No headlines available. Check later.'</p>
{% endif %}
</div><!-- /content -->
<div data-role="footer">
<h4><a href="https://www.yahoo.com/?ilc=401" target="_blank"> <img src="https://poweredby.yahoo.com/purple.png" width="134" height="29"/> </a></h4>
</div><!-- /footer -->
</div><!-- /page -->
</body>
</html>
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Task 3.4.2 (code input and expected PO output)

#Small game program asking a user to find a random number
#Tell program to import the "random" module
import random
#Import i18n mechanism
import gettext
_ = gettext.gettext
def generate_random_number(ask_for_input="yes"):
"""DOC: Generate a random number between 0 and a positive number chosen by the user"""
got_max_number = False
number_selection = "Select a maximum positive number:"
while not got_max_number:
user_input = raw_input(number_selection).rstrip()
if not user_input.isdigit() or user_input == '0':
print "Wrong input. %s" % number_selection
continue
max_number = int(user_input)
got_max_number = True
secret_number = random.randint(0,max_number)
return max_number, secret_number
def play_game(show_string="no", max_number=None, secret_number=None):
"""DOC: Main function to check whether user finds the random number."""
key = "Enter"
attempts = 0
#Question to the user
question = "Guess the number between 0 and %s and press %s." % (str(max_number), key)
got_secret_number = False
while not got_secret_number:
user_input = raw_input(question).strip()
attempts += 1
if not user_input.isdigit() or int(user_input) != secret_number:
continue
break
#Tell user that they have won the game
print "You've found '%d' in %d attempts! Congratulations!" % (secret_number, attempts)
max_number, secret_number = generate_random_number()
play_game(max_number=max_number, secret_number=secret_number)
view raw _task_3.4.2.py hosted with ❤ by GitHub
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2014-07-28 16:27+0000\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=CHARSET\n"
"Content-Transfer-Encoding: 8bit\n"
#. TRANSLATORS: This message invites the user to pick a positive number.
#: secret3.py:16
msgid "Select a maximum positive number:"
msgstr ""
#. TRANSLATORS: %s is _("Select a maximum positive number:")
#: secret3.py:21
#, python-format
msgid "Wrong input. %s"
msgstr ""
#. TRANSLATORS: This refers to the "Enter" key from the keyboard
#: secret3.py:35
msgid "Enter"
msgstr ""
#. TRANSLATORS: This question asks the user to pick a number and press a key
#: secret3.py:39
#, python-format
msgid "Guess the number between 0 and %(max_number)s and press %(key)s."
msgstr ""
#. TRANSLATORS: This string tells the user that they have found the number after a certain number of attempts
#: secret3.py:50
#, python-format
msgid ""
"You've found '%(secret_number)d' in %(attempts)d attempts! Congratulations!"
msgstr ""
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Task 3.4.3 (XML input and expected text output)

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://docbook.org/xml/4.2/docbookx.dtd">
<article>
<title>NBA4ALL Documentation</title>
<sect1>
<title>Filtering a list of headlines</title>
<para>
10 headlines are shown by the basketball news application by default so in order to filter this basketball news list, a word can be entered in the Search box and the list will change as soon as you start typing in the text box.
</para>
<note><title>Limitations</title>
<para>Currently it is not possible to search for multiple words.</para>
</note>
<tip><title>Tip</title>
<para>Both titles and descriptions are searched (eg searching for generic words may return more results than originally thought).</para>
</tip>
</sect1>
</article>
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NBA4ALL Documentation
Filtering a list of headlines
10 headlines are shown by the basketball news application by default so in order to filter this basketball news list, a word can be entered in the Search box and the list will change as soon as you start typing in the text box.
Limitations
Currently it is not possible to search for multiple words.
Tip
Both titles and descriptions are searched (eg searching for generic words may return more results than originally thought).
view raw udoc.out hosted with ❤ by GitHub

Task 3.4.5

NB4ALL Documentation
Filtering teh list of headlines
10 headlines are shown by the basketball news application by by default so in order to filter this basketball news list, a word can be entered in the Search box and the list will change as soon as you start typing in the text box.
Limitations
Its not possible to search for the multiple words.
Tip
Both titles and descriptions are searched (eg searching for generic words may return more results than originally thought).
view raw task_3.4.5.txt hosted with ❤ by GitHub

Chapter 4

Listing 4.2

import Tkinter
import sys
from gettext import gettext as _
class App(Tkinter.Tk):
def __init__(self):
Tkinter.Tk.__init__(self)
menu_bar = Tkinter.Menu(self)
file_menu = Tkinter.Menu(menu_bar, tearoff=False)
file_menu2 = Tkinter.Menu(menu_bar, tearoff=False)
#Translators: hotkey is on first letter
menu_bar.add_cascade(label=_("Actions"), underline=0, menu=file_menu)
#Translators: hotkey is on second letter
menu_bar.add_cascade(label=_("About"), underline=1, menu=file_menu2)
file_menu.add_command(label="Quit", command=quit, accelerator="Ctrl+Q")
file_menu2.add_command(label="Exit", command=quit, accelerator="Ctrl+E")
self.config(menu=menu_bar)
self.bind_all("<Control-q>", self.quit)
self.bind_all("<Control-e>", self.quit)
def quit(self, event):
print "See you soon!"
sys.exit(0)
if __name__ == "__main__":
app=App()
app.title("Hotkeys")
app.mainloop()
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Task 4.6.2

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Chapter 5

Task 5.9.2

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Chapter 6

Task 6.6.2

Click here or here to access NLP-based tools that require some language resource adaptation.