Add more details about the lemmatizer at the new corpus phase.

app/lemmatizers.py

@@ -0,0 +1,12 @@
+from typing import Optional
+from dataclasses import dataclass
+
+
+@dataclass
+class LemmatizerService:
+    title: str   # e.g. "Old French"
+    uri: str  # Current address
+    provider: str  # e.g. Deucalion at Ecole nationale des Chartes
+    bibtex: str  # Citation Scheme
+    apa: str  # APA equivalent
+    ui: Optional[str] = None

app/templates/main/corpus_new.html

@@ -72,10 +72,28 @@ <h1>{{ _('Create a new corpus') }}</h1>
             <div class="col-md-9">
                 <div class="input-group">
                   <select class="form-control" id="language-model">
-                      {%- for lang, address in lemmatizers %}
-                    <option value="{{ address }}">{{ lang }}</option>
+                      <option selected value="disabled" class="text-muted disabled">{{_('Select a service')}}</option>
+                      {%- for service in lemmatizers %}
+                    <option value="{{ service.uri }}">{{ service.title }}</option>
                       {% endfor -%}
                   </select>
+                  {%- for service in lemmatizers %}
+                    <div class="alert alert-info lemmatizer-details" data-uri="{{service.uri}}" style="display: none;">
+                        {% trans name=service.title, provider=service.provider %}
+                            <em>{{ name }}</em> is a lemmatization service provided by <i>{{ provider }}</i>.<br />
+                        {% endtrans %}
+                        {% if service.ui %}
+                            <em>{{_("If you only want to lemmatize (and not correct data), you can use their user interface here:")}}</em>
+                            <a href="{{service.ui}}">{{service.ui}}</a><br/>
+                        {% endif %}
+                        {{ _("Please cite tools accordingly. You can use the following APA or Bibtex: ")}}
+                        <ul>
+                            <li><em>APA:</em> <code>{{service.apa }}</code></li>
+                            <li><em>BIB:</em> <code style="padding-left: 1em; display: block;">{{service.bibtex}}</code></li>
+                        </ul>
+                    </div>
+                  {% endfor %}
+
                   <div class="input-group-append">
                     <button id="submit-model" class="btn btn-outline-secondary" type="button">{{ _('Lemmatize') }}</button>
                   </div>
@@ -200,7 +218,14 @@ <h1>{{ _('Create a new corpus') }}</h1>
 <script type="text/javascript">
 
 $(document).ready(function() {
-
+    $("#language-model").on("change", function (event) {
+        let uri = $("#language-model").val();
+        document.querySelectorAll(".lemmatizer-details").forEach(el => el.style.display = "none");
+        if (uri === "disabled") {
+            return;
+        }
+        document.querySelectorAll(`.lemmatizer-details[data-uri='${uri}']`).forEach(el => el.style.display = "block");
+    });
     $("#submit-model").on("click", function(event) {
         event.preventDefault();
         // Get the parameters
@@ -213,6 +238,8 @@ <h1>{{ _('Create a new corpus') }}</h1>
             tokens_fail = document.getElementById("tokens-fail"),
             approximate_count = document.getElementById("tokens-approximate");
 
+        if (uri === "disabled") { return; }
+
         // Create the form
         var formData = new FormData();
         formData.append("data", text_data.value);

config.py

@@ -1,5 +1,6 @@
 import os
-
+from app.lemmatizers import LemmatizerService
+from typing import List
 
 basedir = os.path.abspath(os.path.dirname(__file__))
 
@@ -38,7 +39,7 @@ class Config:
     PAGINATION_DEFAULT_TOKENS = 100
 
     # Lemmatizer (until Deucalion client)
-    LEMMATIZERS = []
+    LEMMATIZERS: List[LemmatizerService] = []
 
     # Change automatically the Postgresql instance language if not english
     FORCE_PSQL_EN_LOCALE = True
@@ -101,6 +102,23 @@ class BaseTestConfig(Config):
     EMAIL_SUBJECT_PREFIX = '[{}]'.format(Config.APP_NAME)
     EMAIL_SENDER = '{app_name} Admin <{email}>'.format(app_name=Config.APP_NAME, email=MAIL_USERNAME)
 
+    LEMMATIZERS = [
+        LemmatizerService(
+            "Dummy lemmatizer",
+            "http://dummy-uri",
+            provider="ProviderInstitution",
+            ui="someui.com",
+            apa="Clérice et al. 2019",
+            bibtex="""@article{camps2021corpus,
+	title        = {Corpus and Models for Lemmatisation and POS-tagging of Old French},
+	author       = {Camps, Jean-Baptiste and Cl{\'e}rice, Thibault and Duval, Fr{\'e}d{\'e}ric and Kanaoka, Naomi and Pinche, Ariane and others},
+	year         = 2021,
+	journal      = {arXiv preprint arXiv:2109.11442},
+	keywords     = {Old French}
+}"""
+        )
+    ]
+
 
 class SQLiteTestConfig(BaseTestConfig):
     SQLALCHEMY_DATABASE_URI = os.environ.get('TEST_DATABASE_URL') or \