Merge pull request #211 from eReuse/feature/server-side-render-labels-2971

Print DHID-QR label for selected devices.

CHANGELOG.md

@@ -8,6 +8,7 @@ ml).
 ## master
 
 ## testing
+- [changed] #2970 #2971 Print DHID-QR label for selected devices.
 
 ## [2.0.0] - 2022-03-15
 First server render HTML version. Completely rewrites views of angular JS client on flask.

ereuse_devicehub/inventory/forms.py

@@ -485,46 +485,6 @@ class NewDeviceForm(FlaskForm):
         return snapshot
 
 
-class TagForm(FlaskForm):
-    code = StringField('Code', [validators.length(min=1)])
-
-    def validate(self, extra_validators=None):
-        error = ["This value is being used"]
-        is_valid = super().validate(extra_validators)
-        if not is_valid:
-            return False
-        tag = Tag.query.filter(Tag.id == self.code.data).all()
-        if tag:
-            self.code.errors = error
-            return False
-
-        return True
-
-    def save(self):
-        self.instance = Tag(id=self.code.data)
-        db.session.add(self.instance)
-        db.session.commit()
-        return self.instance
-
-    def remove(self):
-        if not self.instance.device and not self.instance.provider:
-            self.instance.delete()
-            db.session.commit()
-        return self.instance
-
-
-class TagUnnamedForm(FlaskForm):
-    amount = IntegerField('amount')
-
-    def save(self):
-        num = self.amount.data
-        tags_id, _ = g.tag_provider.post('/', {}, query=[('num', num)])
-        tags = [Tag(id=tag_id, provider=g.inventory.tag_provider) for tag_id in tags_id]
-        db.session.add_all(tags)
-        db.session.commit()
-        return tags
-
-
 class TagDeviceForm(FlaskForm):
     tag = SelectField('Tag', choices=[])
     device = StringField('Device', [validators.Optional()])

ereuse_devicehub/inventory/views.py

@@ -7,7 +7,6 @@ import flask_weasyprint
 from flask import Blueprint, g, make_response, request, url_for
 from flask.views import View
 from flask_login import current_user, login_required
-from requests.exceptions import ConnectionError
 from sqlalchemy import or_
 from werkzeug.exceptions import NotFound
 
@@ -22,12 +21,11 @@ from ereuse_devicehub.inventory.forms import (
     NewActionForm,
     NewDeviceForm,
     TagDeviceForm,
-    TagForm,
-    TagUnnamedForm,
     TradeDocumentForm,
     TradeForm,
     UploadSnapshotForm,
 )
+from ereuse_devicehub.labels.forms import PrintLabelsForm
 from ereuse_devicehub.resources.action.models import Trade
 from ereuse_devicehub.resources.device.models import Computer, DataStorage, Device
 from ereuse_devicehub.resources.documents.device_row import ActionRow, DeviceRow
@@ -118,6 +116,7 @@ class DeviceListMix(GenericMixView):
             'form_new_datawipe': form_new_datawipe,
             'form_new_trade': form_new_trade,
             'form_filter': form_filter,
+            'form_print_labels': PrintLabelsForm(),
             'lot': lot,
             'tags': tags,
             'list_devices': list_devices,
@@ -315,91 +314,6 @@ class DeviceCreateView(GenericMixView):
         return flask.render_template(self.template_name, **context)
 
 
-class TagListView(View):
-    methods = ['GET']
-    decorators = [login_required]
-    template_name = 'inventory/tag_list.html'
-
-    def dispatch_request(self):
-        lots = Lot.query.filter(Lot.owner_id == current_user.id)
-        tags = Tag.query.filter(Tag.owner_id == current_user.id).order_by(Tag.id)
-        context = {
-            'lots': lots,
-            'tags': tags,
-            'page_title': 'Tags Management',
-            'version': __version__,
-        }
-        return flask.render_template(self.template_name, **context)
-
-
-class TagAddView(View):
-    methods = ['GET', 'POST']
-    decorators = [login_required]
-    template_name = 'inventory/tag_create.html'
-
-    def dispatch_request(self):
-        lots = Lot.query.filter(Lot.owner_id == current_user.id)
-        context = {'page_title': 'New Tag', 'lots': lots, 'version': __version__}
-        form = TagForm()
-        if form.validate_on_submit():
-            form.save()
-            next_url = url_for('inventory.taglist')
-            return flask.redirect(next_url)
-
-        return flask.render_template(self.template_name, form=form, **context)
-
-
-class TagAddUnnamedView(View):
-    methods = ['GET', 'POST']
-    decorators = [login_required]
-    template_name = 'inventory/tag_create_unnamed.html'
-
-    def dispatch_request(self):
-        lots = Lot.query.filter(Lot.owner_id == current_user.id)
-        context = {
-            'page_title': 'New Unnamed Tag',
-            'lots': lots,
-            'version': __version__,
-        }
-        form = TagUnnamedForm()
-        if form.validate_on_submit():
-            try:
-                form.save()
-            except ConnectionError as e:
-                logger.error(
-                    "Error while trying to connect to tag server: {}".format(e)
-                )
-                msg = (
-                    "Sorry, we cannot create the unnamed tags requested because "
-                    "some error happens while connecting to the tag server!"
-                )
-                messages.error(msg)
-
-            next_url = url_for('inventory.taglist')
-            return flask.redirect(next_url)
-
-        return flask.render_template(self.template_name, form=form, **context)
-
-
-class TagDetailView(View):
-    decorators = [login_required]
-    template_name = 'inventory/tag_detail.html'
-
-    def dispatch_request(self, id):
-        lots = Lot.query.filter(Lot.owner_id == current_user.id)
-        tag = (
-            Tag.query.filter(Tag.owner_id == current_user.id).filter(Tag.id == id).one()
-        )
-
-        context = {
-            'lots': lots,
-            'tag': tag,
-            'page_title': '{} Tag'.format(tag.code),
-            'version': __version__,
-        }
-        return flask.render_template(self.template_name, **context)
-
-
 class TagLinkDeviceView(View):
     methods = ['POST']
     decorators = [login_required]
@@ -716,14 +630,6 @@ devices.add_url_rule(
     '/lot/<string:lot_id>/device/add/',
     view_func=DeviceCreateView.as_view('lot_device_add'),
 )
-devices.add_url_rule('/tag/', view_func=TagListView.as_view('taglist'))
-devices.add_url_rule('/tag/add/', view_func=TagAddView.as_view('tag_add'))
-devices.add_url_rule(
-    '/tag/unnamed/add/', view_func=TagAddUnnamedView.as_view('tag_unnamed_add')
-)
-devices.add_url_rule(
-    '/tag/<string:id>/', view_func=TagDetailView.as_view('tag_details')
-)
 devices.add_url_rule(
     '/tag/devices/add/', view_func=TagLinkDeviceView.as_view('tag_devices_add')
 )

ereuse_devicehub/labels/forms.py

@@ -0,0 +1,73 @@
+from flask import g
+from flask_wtf import FlaskForm
+from wtforms import IntegerField, StringField, validators
+
+from ereuse_devicehub.db import db
+from ereuse_devicehub.resources.device.models import Device
+from ereuse_devicehub.resources.tag.model import Tag
+
+
+class TagForm(FlaskForm):
+    code = StringField('Code', [validators.length(min=1)])
+
+    def validate(self, extra_validators=None):
+        error = ["This value is being used"]
+        is_valid = super().validate(extra_validators)
+        if not is_valid:
+            return False
+        tag = Tag.query.filter(Tag.id == self.code.data).all()
+        if tag:
+            self.code.errors = error
+            return False
+
+        return True
+
+    def save(self):
+        self.instance = Tag(id=self.code.data)
+        db.session.add(self.instance)
+        db.session.commit()
+        return self.instance
+
+    def remove(self):
+        if not self.instance.device and not self.instance.provider:
+            self.instance.delete()
+            db.session.commit()
+        return self.instance
+
+
+class TagUnnamedForm(FlaskForm):
+    amount = IntegerField('amount')
+
+    def save(self):
+        num = self.amount.data
+        tags_id, _ = g.tag_provider.post('/', {}, query=[('num', num)])
+        tags = [Tag(id=tag_id, provider=g.inventory.tag_provider) for tag_id in tags_id]
+        db.session.add_all(tags)
+        db.session.commit()
+        return tags
+
+
+class PrintLabelsForm(FlaskForm):
+    devices = StringField(render_kw={'class': "devicesList d-none"})
+
+    def validate(self, extra_validators=None):
+        is_valid = super().validate(extra_validators)
+
+        if not self.devices.data:
+            return False
+
+        device_ids = self.devices.data.split(",")
+        self._devices = (
+            Device.query.filter(Device.id.in_(device_ids))
+            .filter(Device.owner_id == g.user.id)
+            .distinct()
+            .all()
+        )
+
+        # print only tags that are DHID
+        dhids = [x.devicehub_id for x in self._devices]
+        self._tags = (
+            Tag.query.filter(Tag.owner_id == g.user.id).filter(Tag.id.in_(dhids)).all()
+        )
+
+        return is_valid

ereuse_devicehub/labels/views.py

@@ -0,0 +1,142 @@
+import logging
+
+import flask
+from flask import Blueprint, request, url_for
+from flask.views import View
+from flask_login import current_user, login_required
+from requests.exceptions import ConnectionError
+
+from ereuse_devicehub import __version__, messages
+from ereuse_devicehub.labels.forms import PrintLabelsForm, TagForm, TagUnnamedForm
+from ereuse_devicehub.resources.lot.models import Lot
+from ereuse_devicehub.resources.tag.model import Tag
+
+labels = Blueprint('labels', __name__, url_prefix='/labels')
+
+logger = logging.getLogger(__name__)
+
+
+class TagListView(View):
+    methods = ['GET']
+    decorators = [login_required]
+    template_name = 'labels/label_list.html'
+
+    def dispatch_request(self):
+        lots = Lot.query.filter(Lot.owner_id == current_user.id)
+        tags = Tag.query.filter(Tag.owner_id == current_user.id).order_by(Tag.id)
+        context = {
+            'lots': lots,
+            'tags': tags,
+            'page_title': 'Tags Management',
+            'version': __version__,
+        }
+        return flask.render_template(self.template_name, **context)
+
+
+class TagAddView(View):
+    methods = ['GET', 'POST']
+    decorators = [login_required]
+    template_name = 'labels/tag_create.html'
+
+    def dispatch_request(self):
+        lots = Lot.query.filter(Lot.owner_id == current_user.id)
+        context = {'page_title': 'New Tag', 'lots': lots, 'version': __version__}
+        form = TagForm()
+        if form.validate_on_submit():
+            form.save()
+            next_url = url_for('labels.label_list')
+            return flask.redirect(next_url)
+
+        return flask.render_template(self.template_name, form=form, **context)
+
+
+class TagAddUnnamedView(View):
+    methods = ['GET', 'POST']
+    decorators = [login_required]
+    template_name = 'labels/tag_create_unnamed.html'
+
+    def dispatch_request(self):
+        lots = Lot.query.filter(Lot.owner_id == current_user.id)
+        context = {
+            'page_title': 'New Unnamed Tag',
+            'lots': lots,
+            'version': __version__,
+        }
+        form = TagUnnamedForm()
+        if form.validate_on_submit():
+            try:
+                form.save()
+            except ConnectionError as e:
+                logger.error(
+                    "Error while trying to connect to tag server: {}".format(e)
+                )
+                msg = (
+                    "Sorry, we cannot create the unnamed tags requested because "
+                    "some error happens while connecting to the tag server!"
+                )
+                messages.error(msg)
+
+            next_url = url_for('labels.label_list')
+            return flask.redirect(next_url)
+
+        return flask.render_template(self.template_name, form=form, **context)
+
+
+class PrintLabelsView(View):
+    """This View is used to print labels from multiple devices"""
+
+    methods = ['POST', 'GET']
+    decorators = [login_required]
+    template_name = 'labels/print_labels.html'
+    title = 'Design and implementation of labels'
+
+    def dispatch_request(self):
+        lots = Lot.query.filter(Lot.owner_id == current_user.id)
+        context = {
+            'lots': lots,
+            'page_title': self.title,
+            'version': __version__,
+            'referrer': request.referrer,
+        }
+
+        form = PrintLabelsForm()
+        if form.validate_on_submit():
+            context['form'] = form
+            context['tags'] = form._tags
+            return flask.render_template(self.template_name, **context)
+        else:
+            messages.error('Error you need select one or more devices')
+
+        next_url = request.referrer or url_for('inventory.devicelist')
+        return flask.redirect(next_url)
+
+
+class LabelDetailView(View):
+    decorators = [login_required]
+    template_name = 'labels/label_detail.html'
+
+    def dispatch_request(self, id):
+        lots = Lot.query.filter(Lot.owner_id == current_user.id)
+        tag = (
+            Tag.query.filter(Tag.owner_id == current_user.id).filter(Tag.id == id).one()
+        )
+
+        context = {
+            'lots': lots,
+            'tag': tag,
+            'page_title': '{} Tag'.format(tag.code),
+            'version': __version__,
+        }
+        return flask.render_template(self.template_name, **context)
+
+
+labels.add_url_rule('/', view_func=TagListView.as_view('label_list'))
+labels.add_url_rule('/add/', view_func=TagAddView.as_view('tag_add'))
+labels.add_url_rule(
+    '/unnamed/add/', view_func=TagAddUnnamedView.as_view('tag_unnamed_add')
+)
+labels.add_url_rule(
+    '/print',
+    view_func=PrintLabelsView.as_view('print_labels'),
+)
+labels.add_url_rule('/<string:id>/', view_func=LabelDetailView.as_view('label_details'))

ereuse_devicehub/static/js/print.pdf.js

@@ -5,8 +5,8 @@ $(document).ready(function() {
     load_size();
 })
 
-function qr_draw(url) {
+function qr_draw(url, id) {
-    var qrcode = new QRCode($("#qrcode")[0], {
+    var qrcode = new QRCode($(id)[0], {
         text: url,
         width: 128,
         height: 128,
@@ -54,16 +54,26 @@ function printpdf() {
     var border = 2;
     var height = parseInt($("#height-tag").val());
     var width = parseInt($("#width-tag").val());
-    var tag = $("#tag").text();
-    var pdf = new jsPDF('l', 'mm', [width, height]);
-    var imgData = $('#qrcode img').attr("src");
     img_side = Math.min(height, width) - 2*border;
     max_tag_side = (Math.max(height, width)/2) + border;
     if (max_tag_side < img_side) {
         max_tag_side = img_side+ 2*border;
     };
     min_tag_side = (Math.min(height, width)/2) + border;
+    var last_tag_code = '';
+
+    var pdf = new jsPDF('l', 'mm', [width, height]);
+    $(".tag").map(function(x, y) {
+        if (x != 0){
+            pdf.addPage();
+            console.log(x)
+        };
+        var tag = $(y).text();
+        last_tag_code = tag;
+        var imgData = $('#'+tag+' img').attr("src");
         pdf.addImage(imgData, 'PNG', border, border, img_side, img_side);
         pdf.text(tag, max_tag_side, min_tag_side);
-    pdf.save('Tag_'+tag+'.pdf');
+    });
+
+    pdf.save('Tag_'+last_tag_code+'.pdf');
 }

ereuse_devicehub/templates/ereuse_devicehub/base_site.html

@@ -181,7 +181,7 @@
     <li class="nav-heading">Utils</li>
 
     <li class="nav-item">
-      <a class="nav-link collapsed" href="{{ url_for('inventory.taglist')}}">
+      <a class="nav-link collapsed" href="{{ url_for('labels.label_list')}}">
         <i class="bi bi-tags"></i>
         <span>Tags</span>
       </a>

ereuse_devicehub/templates/inventory/device_list.html

@@ -235,6 +235,17 @@
                       Remove Tag from selected Device
                     </a>
                   </li>
+                  <li>
+                    <form id="print_labels" method="post" action="{{ url_for('labels.print_labels') }}">
+                      {% for f in form_print_labels %}
+                        {{ f }}
+                      {% endfor %}
+                      <a href="javascript:$('#print_labels').submit()" class="dropdown-item">
+                        <i class="bi bi-x"></i>
+                        Print labels
+                      </a>
+                    </form>
+                  </li>
                 </ul>
               </div>
 
@@ -335,7 +346,7 @@
                       </td>
                       <td>
                         {% for t in dev.tags | sort(attribute="id") %}
-                         <a href="{{ url_for('inventory.tag_details', id=t.id)}}">{{ t.id }}</a>
+                         <a href="{{ url_for('labels.label_details', id=t.id)}}">{{ t.id }}</a>
                          {% if not loop.last %},{% endif %}
                         {% endfor %}
                       </td>

ereuse_devicehub/templates/labels/label_detail.html

@@ -5,7 +5,7 @@
   <h1>Inventory</h1>
   <nav>
     <ol class="breadcrumb">
-      <li class="breadcrumb-item"><a href="{{ url_for('inventory.taglist')}}">Tag management</a></li>
+      <li class="breadcrumb-item"><a href="{{ url_for('labels.label_list')}}">Tag management</a></li>
       <li class="breadcrumb-item active">Tag details {{ tag.id }}</li>
     </ol>
   </nav>
@@ -40,17 +40,17 @@
                 </div>
               </div>
 
-              <h5 class="card-title">Print details</h5>
+              <h5 class="card-title">Print Label</h5>
               <div class="row">
                 <div class="col-lg-3 col-md-4">
                   <div style="width:256px; height:148px; border: solid 1px; padding: 10px;">
                     <div id="print">
                       <div class="row">
                         <div class="col">
-                          <div id="qrcode"></div>
+                          <div id="{{ tag.id }}"></div>
                         </div>
                         <div class="col">
-                          <div style="padding-top: 55px"><b id="tag">{{ tag.id }}</b></div>
+                          <div style="padding-top: 55px"><b class="tag">{{ tag.id }}</b></div>
                         </div>
                       </div>
                     </div>
@@ -109,6 +109,6 @@
 <script src="{{ url_for('static', filename='js/jspdf.min.js') }}"></script>
 <script src="{{ url_for('static', filename='js/print.pdf.js') }}"></script>
 <script type="text/javascript">
-    qr_draw("{{url_for('inventory.device_details', id=tag.device.devicehub_id, _external=True)}}");
+    qr_draw("{{url_for('inventory.device_details', id=tag.device.devicehub_id, _external=True)}}", "#{{ tag.id }}");
 </script>
 {% endblock main %}

ereuse_devicehub/templates/labels/label_list.html

@@ -20,7 +20,7 @@
           <!-- Bordered Tabs -->
 
             <div class="btn-group dropdown ml-1">
-              <a href="{{ url_for('inventory.tag_add')}}" type="button" class="btn btn-primary">
+              <a href="{{ url_for('labels.tag_add')}}" type="button" class="btn btn-primary">
                 <i class="bi bi-plus"></i>
                 Create Named Tag
                 <span class="caret"></span>
@@ -28,7 +28,7 @@
             </div>
 
             <div class="btn-group dropdown ml-1" uib-dropdown="">
-              <a href="{{ url_for('inventory.tag_unnamed_add')}}" type="button" class="btn btn-primary">
+              <a href="{{ url_for('labels.tag_unnamed_add')}}" type="button" class="btn btn-primary">
                 <i class="bi bi-plus"></i>
                 Create UnNamed Tag
                 <span class="caret"></span>
@@ -52,7 +52,7 @@
                   <tbody>
                     {% for tag in tags %}
                     <tr>
-                      <td><a href="{{ url_for('inventory.tag_details', id=tag.id) }}">{{ tag.id }}</a></td>
+                      <td><a href="{{ url_for('labels.label_details', id=tag.id) }}">{{ tag.id }}</a></td>
                       <td>{% if tag.provider %}Unnamed tag {% else %}Named tag{% endif %}</td>
                       <td>{{ tag.get_provider }}</td>
                       <td>

ereuse_devicehub/templates/labels/print_labels.html

@@ -0,0 +1,103 @@
+{% extends "ereuse_devicehub/base_site.html" %}
+{% block main %}
+
+<div class="pagetitle">
+  <h1>Print Labels</h1>
+  <nav>
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item"><a href="{{ url_for('labels.label_list')}}">Tag management</a></li>
+      <li class="breadcrumb-item active">Print Labels</li>
+    </ol>
+  </nav>
+</div><!-- End Page Title -->
+
+<section class="section profile">
+  <div class="row">
+    <div class="col-xl-8">
+
+      <div class="card">
+              <div class="card-body">
+                <div class="pt-4 pb-2">
+                  <h5 class="card-title text-center pb-0 fs-4">Print Labels</h5>
+                  <p class="text-center small">{{ title }}</p>
+                </div>
+
+              <div class="row">
+                <div class="col-lg-3 col-md-4">
+                  {% for tag in tags %}
+                  <div style="width:256px; height:148px; border: solid 1px; padding: 10px;">
+                    <div id="print">
+                      <div class="row">
+                        <div class="col">
+                          <div id="{{ tag.id }}"></div>
+                        </div>
+                        <div class="col">
+                          <div style="padding-top: 55px">
+                              <b class="tag">{{ tag.id }}</b>
+                          </div>
+                        </div>
+                      </div>
+                    </div>
+                  </div>
+                  {% endfor %}
+                </div>
+                <div class="col-1">
+                </div>
+                <div class="col label">
+                  <label class="col-form-label col-sm-2">Size</label>
+                  <div class="col-sm-10">
+                    <div class="input-group mb-3">
+                      <select class="form-select" id="printerType">
+                        <option label="Brother small size (62 x 29)" value="brotherSmall" selected="selected">
+                          Brother small size (62 x 29)
+                        </option>
+                        <option label="Printer tag small (97 x 59)" value="smallTagPrinter">
+                          Printer tag small (97 x 59)
+                        </option>
+                      </select>
+                    </div>
+                  </div>
+                  <label class="col-form-label col-sm-2">Width</label>
+                  <div class="col-sm-10">
+                    <div class="input-group mb-3">
+                      <input class="form-control" id="width-tag" name='width-tag' type="number" value="62" min="52" max="300" />
+                      <span class="input-group-text">mm</span>
+                    </div>
+                  </div>
+                  <label class="col-form-label col-sm-2">Height</label>
+                  <div class="col-sm-10">
+                    <div class="input-group mb-3">
+                      <input class="form-control" id="height-tag" name='height-tag' type="number" value="29" min="28" max="200" />
+                      <span class="input-group-text">mm</span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+              <div class="row mt-5">
+                <div class="col-lg-3 col-md-4">
+                    <a href="javascript:printpdf()" class="btn btn-success">Print</a>
+                </div>
+                <div class="col-lg-3 col-md-4">
+                    <a href="javascript:save_size()" class="btn btn-primary">Save</a>
+                </div>
+                <div class="col-lg-3 col-md-4">
+                    <a href="javascript:reset_size()" class="btn btn-danger">Reset</a>
+                </div>
+              </div>
+
+            </div>
+
+        </div>
+      </div>
+    </div>
+  </div>
+</section>
+<script src="{{ url_for('static', filename='js/qrcode.js') }}"></script>
+<script src="{{ url_for('static', filename='js/jspdf.min.js') }}"></script>
+<script src="{{ url_for('static', filename='js/print.pdf.js') }}"></script>
+<script type="text/javascript">
+{% for tag in tags %}
+qr_draw("{{ url_for('inventory.device_details', id=tag.device.devicehub_id, _external=True) }}", "#{{ tag.id }}")
+{% endfor %}
+</script>
+{% endblock main %}

ereuse_devicehub/templates/labels/tag_create.html

@@ -5,7 +5,7 @@
   <h1>{{ title }}</h1>
   <nav>
     <ol class="breadcrumb">
-      <li class="breadcrumb-item"><a href="{{ url_for('inventory.taglist')}}">Tag management</a></li>
+      <li class="breadcrumb-item"><a href="{{ url_for('labels.label_list')}}">Tag management</a></li>
       <li class="breadcrumb-item">{{ page_title }}</li>
     </ol>
   </nav>
@@ -49,7 +49,7 @@
                   </div>
 
                   <div>
-                    <a href="{{ url_for('inventory.taglist') }}" class="btn btn-danger">Cancel</a>
+                    <a href="{{ url_for('labels.label_list') }}" class="btn btn-danger">Cancel</a>
                     <button class="btn btn-primary" type="submit">Save</button>
                   </div>
                 </form>

ereuse_devicehub/templates/labels/tag_create_unnamed.html

@@ -5,7 +5,7 @@
   <h1>{{ title }}</h1>
   <nav>
     <ol class="breadcrumb">
-      <li class="breadcrumb-item"><a href="{{ url_for('inventory.taglist')}}">Tag management</a></li>
+      <li class="breadcrumb-item"><a href="{{ url_for('labels.label_list')}}">Tag management</a></li>
       <li class="breadcrumb-item">{{ page_title }}</li>
     </ol>
   </nav>
@@ -49,7 +49,7 @@
                   </div>
 
                   <div>
-                    <a href="{{ url_for('inventory.taglist') }}" class="btn btn-danger">Cancel</a>
+                    <a href="{{ url_for('labels.label_list') }}" class="btn btn-danger">Cancel</a>
                     <button class="btn btn-primary" type="submit">Save</button>
                   </div>
                 </form>

examples/app.py

@@ -8,11 +8,13 @@ from flask_wtf.csrf import CSRFProtect
 from ereuse_devicehub.config import DevicehubConfig
 from ereuse_devicehub.devicehub import Devicehub
 from ereuse_devicehub.inventory.views import devices
+from ereuse_devicehub.labels.views import labels
 from ereuse_devicehub.views import core
 
 app = Devicehub(inventory=DevicehubConfig.DB_SCHEMA)
 app.register_blueprint(core)
 app.register_blueprint(devices)
+app.register_blueprint(labels)
 
 # configure & enable CSRF of Flask-WTF
 # NOTE: enable by blueprint to exclude API views

requirements.txt

@@ -15,6 +15,9 @@ Flask-WTF==1.0.0
 hashids==1.2.0
 inflection==0.3.1
 itsdangerous==2.0.1
+# lock Jinja2 version because it's the latest compatible with Flask 1.0.X
+# see related info on https://github.com/pallets/jinja/issues/1628
+Jinja2==3.0.3
 marshmallow==3.0.0b11
 marshmallow-enum==1.4.1
 passlib==1.7.1