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Piero Toffanin 2020-12-19 17:40:37 -05:00
parent 64547a8acf
commit 1062ef2713
9 changed files with 296 additions and 0 deletions
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2
.gitignore vendored
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@ -127,3 +127,5 @@ dmypy.json
# Pyre type checker
.pyre/
installed_models/

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.gitmodules vendored Normal file
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[submodule "models"]
path = models
url = https://github.com/uav4geo/LibreTranslate-Models

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app/init.py Normal file
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import os
from argostranslate import translate
import os, glob, shutil, zipfile
INSTALLED_MODELS_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "installed_models"))
os.environ["ARGOS_TRANSLATE_PACKAGES_DIR"] = INSTALLED_MODELS_DIR
def boot():
check_and_install_models()
def check_and_install_models(force=False):
if os.path.exists(INSTALLED_MODELS_DIR) and not force:
return
if os.path.exists(INSTALLED_MODELS_DIR):
print("Removing old %s" % INSTALLED_MODELS_DIR)
shutil.rmtree(INSTALLED_MODELS_DIR)
print("Creating %s" % INSTALLED_MODELS_DIR)
os.makedirs(INSTALLED_MODELS_DIR, exist_ok=True)
for f in glob.glob("models/**.argosmodel"):
print("Installing %s..." % f)
with zipfile.ZipFile(f, 'r') as zip:
zip.extractall(path=INSTALLED_MODELS_DIR)
print("Installed %s language models!" % (len(translate.load_installed_languages())))

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app/language.py Normal file
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from argostranslate import translate
languages = translate.load_installed_languages()

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install_models.py Normal file
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from app.init import check_and_install_models
if __name__ == "__main__":
check_and_install_models(force=True)

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main.py Normal file
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import argparse
from flask import Flask, render_template, jsonify, request, abort, send_from_directory
from app.language import languages
from app.init import boot
parser = argparse.ArgumentParser(description='LibreTranslate - Free and Open Source Translation API')
parser.add_argument('host', type=str,
help='Hostname', default="127.0.0.1")
parser.add_argument('port', type=int,
help='Port', default=5000)
args = parser.parse_args()
boot()
app = Flask(__name__)
app.config['TEMPLATES_AUTO_RELOAD'] = True
@app.errorhandler(400)
def invalid_api(e):
return jsonify({"error": str(e.description)}), 400
@app.errorhandler(500)
def server_error(e):
return jsonify({"error": str(e.description)}), 500
@app.route("/")
def index():
return send_from_directory('static', 'index.html')
@app.route("/languages")
def langs():
return jsonify([{'code': l.code, 'name': l.name } for l in languages])
@app.route("/translate", methods=['POST'])
def translate():
q = request.values.get("q")
source_lang = request.values.get("source")
target_lang = request.values.get("target")
if not q:
abort(400, description="Invalid request: missing q parameter")
if not source_lang:
abort(400, description="Invalid request: missing source parameter")
if not target_lang:
abort(400, description="Invalid request: missing target parameter")
src_lang = next(iter([l for l in languages if l.code == source_lang]), None)
tgt_lang = next(iter([l for l in languages if l.code == target_lang]), None)
if src_lang is None:
abort(400, description="%s is not supported" % source_lang)
if tgt_lang is None:
abort(400, description="%s is not supported" % target_lang)
translator = src_lang.get_translation(tgt_lang)
try:
return jsonify({"translatedText": translator.translate(q) })
except Exception as e:
abort(500, description="Cannot translate text: %s" % str(e))
if __name__ == "__main__":
app.run(host=args.host)

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models Submodule

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Subproject commit 0492a7619847d74f3ec6e7e2b6707e00103eebd0

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requirements.txt Normal file
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argostranslate==1.0.3

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static/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>LibreTranslate - Free and Open Source Translation API</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
<!-- Compiled and minified CSS -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/css/materialize.min.css">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<style type="text/css">
textarea.materialize-textarea{height: 6rem;}
</style>
</head>
<body>
<nav class="blue lighten-1" role="navigation">
<div class="nav-wrapper container"><a id="logo-container" href="#" class="brand-logo"><i class="material-icons">translate</i> LibreTranslate</a>
<ul class="right hide-on-med-and-down">
<li><a href="https://github.com/uav4geo/LibreTranslate">Documentation</a></li>
<li><a href="https://github.com/uav4geo/LibreTranslate">GitHub</a></li>
</ul>
<ul id="nav-mobile" class="sidenav">
<li><a href="https://github.com/uav4geo/LibreTranslate">Documentation</a></li>
<li><a href="https://github.com/uav4geo/LibreTranslate">GitHub</a></li>
</ul>
<a href="#" data-target="nav-mobile" class="sidenav-trigger"><i class="material-icons">menu</i></a>
</div>
</nav>
<div id="app">
<div class="section no-pad-bot">
<div class="container">
<div class="row">
<h3 class="header center">Translation API</h3>
<div class="card horizontal">
<div class="card-stacked">
<div class="card-content">
<form class="col s12">
<div class="row">
<div class="input-field col s6">
<select v-model="sourceLang" ref="sourceLangDropdown">
<template v-for="option in langs">
<option :value="option.code">{{ option.name }}</option>
</template>
</select>
<label>Source</label>
</div>
<div class="input-field col s6">
<select v-model="targetLang" ref="targetLangDropdown">
<template v-for="option in langs">
<option :value="option.code">{{ option.name }}</option>
</template>
</select>
<label>Target</label>
</div>
</div>
<div class="row">
<div class="input-field col s6">
<textarea id="textarea1" rows="5" class="materialize-textarea"></textarea>
<label for="textarea1">Input Text</label>
</div>
<div class="input-field col s6">
<div class="progress">
<div class="indeterminate"></div>
</div>
<textarea id="textarea1" rows="5" class="materialize-textarea"></textarea>
<label for="textarea1">Translated Text</label>
</div>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="section no-pad-bot" id="index-banner">
<div class="container">
<div class="row center">
<div class="col s12 m12">
<div class="card horizontal">
<div class="card-stacked">
<div class="card-content">
<div class="row center">
<div class="col s12 m6">
<p><pre>{{ sourceLang }}</pre></p>
</div>
<div class="col s12 m6">
<div class="progress">
<div class="indeterminate"></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<footer class="page-footer blue darken-3">
<div class="container">
<div class="row">
<div class="col l6 s12">
<h5 class="white-text">LibreTranslate</h5>
<p class="grey-text text-lighten-4">Free and Open Source Translation API, licensed under the <a class="grey-text text-lighten-4" href="https://www.gnu.org/licenses/agpl-3.0.en.html">AGPLv3</a></p>
<p class="grey-text text-lighten-4">
Made with ❤ by <a class="grey-text text-lighten-3" href="https://uav4geo.com">UAV4GEO</a> and powered by <a class="grey-text text-lighten-3" href="https://github.com/argosopentech/argos-translate/">Argos Translate</a>
</p>
</div>
<div class="col l4 offset-l2 s12">
<!-- <h5 class="white-text">Links</h5>
<ul>
<li><a class="grey-text text-lighten-3" href="#!">Link 1</a></li>
<li><a class="grey-text text-lighten-3" href="#!">Link 2</a></li>
<li><a class="grey-text text-lighten-3" href="#!">Link 3</a></li>
<li><a class="grey-text text-lighten-3" href="#!">Link 4</a></li>
</ul> -->
<div class="container">
</div>
</div>
</div>
</div>
<div class="footer-copyright center">
</div>
</footer>
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/js/materialize.min.js"></script>
<script>
// API host/endpoint
var BaseUrl = '';
document.addEventListener('DOMContentLoaded', function(){
// var elems = document.querySelectorAll('select');
// var instances = M.FormSelect.init(elems);
var app = new Vue({
el: '#app',
data: {
loading: true,
error: "",
langs: [],
sourceLang: "",
targetLang: ""
},
mounted: function(){
var self = this;
var request = new XMLHttpRequest();
request.open('GET', BaseUrl + '/languages', true);
request.onload = function() {
if (this.status >= 200 && this.status < 400) {
// Success!
self.langs = JSON.parse(this.response);
self.sourceLang = self.langs[0].code;
self.targetLang = self.langs[1].code;
} else {
self.error = "Cannot load /languages";
self.loading = false;
}
};
request.onerror = function() {
self.error = "Error while calling /languages";
self.loading = false;
};
request.send();
},
updated: function(){
M.FormSelect.init(this.$refs.sourceLangDropdown);
M.FormSelect.init(this.$refs.targetLangDropdown);
}
});
});
</script>
</body>
</html>