multiple changes:

* added local filtering
* added missing control heuristics and reporting for compar etc.
* udpated phrase descriptions
* switched to new Morfeusz homonym identifiers

.gitignore

+*.pyc
+*/__pycache__/*
+*/migrations/*_auto_*.py

common/admin.py

+from django.contrib import admin
+
+# Register your models here.

common/apps.py

+from django.apps import AppConfig
+
+
+class CommonConfig(AppConfig):
+    name = 'common'

common/decorators.py

+from django.http import HttpResponseBadRequest
+
+#https://djangosnippets.org/snippets/771/
+def ajax_required(f):
+    def wrap(request, *args, **kwargs):
+        if not request.is_ajax():
+            return HttpResponseBadRequest()
+        return f(request, *args, **kwargs)
+    wrap.__doc__=f.__doc__
+    wrap.__name__=f.__name__
+    return wrap

common/management/commands/start_import.py

+from django.core.management.base import BaseCommand
+
+from common.models import ImportInProgress
+
+class Command(BaseCommand):
+    args = 'none'
+    help = ''
+
+    def handle(self, **options):
+        ImportInProgress.objects.create()

common/models.py

+from django.db import models
+
+class ImportInProgress(models.Model):
+    pass

common/static/common/css/common.css

+html, body {
+    height: 100%;
+}
+
+main {
+    height: 100%;
+    overflow: hidden;
+}
+
+.min-100 {
+    min-width: 100%;
+}
+
+.bg-highlight {
+    background-color: #f3f4f5;
+}
+
+.bg-white {
+    background-color: #ffffff;
+}
+
+.tooltip > .tooltip-inner > ul {
+    list-style-position: inside;
+    padding-left: 0;
+}
+
+.tooltip > .tooltip-inner {
+    text-align: left;
+    max-width: 500px;
+}
+
+/* TODO: doesn’t work under Firefox 89, possibly older too */
+::-webkit-scrollbar {
+    width: 4px;
+}
+
+::-webkit-scrollbar-track {
+    background: #dee1e4; 
+}
+ 
+::-webkit-scrollbar-thumb {
+    background: #b2bac1; 
+}
+
+::-webkit-scrollbar-thumb:hover {
+    background: #929ca6; 
+}

common/static/common/css/font.css

+:root {
+    --font-family-sans-serif: 'Roboto Condensed', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+    --font-family-monospace: 'Roboto Condensed', SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace
+}
+
+html {
+    font-family: 'Roboto Condensed'
+}
+
+body {
+    font-family: 'Roboto Condensed', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"
+}
+
+pre,code,kbd,samp {
+    font-family: 'Roboto Condensed', SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace
+}
+
+.tooltip, .popover, .ui-widget {
+    font-family: 'Roboto Condensed', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"
+}

common/static/common/img/ext-link.svg

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="21.166666mm"
+   height="21.166672mm"
+   viewBox="0 0 21.166666 21.166672"
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="ext-link.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)">
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="5.6"
+     inkscape:cx="29.835506"
+     inkscape:cy="33.619365"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:pagecheckerboard="true"
+     inkscape:window-width="1853"
+     inkscape:window-height="1025"
+     inkscape:window-x="67"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-28.726189,-116.32738)">
+    <rect
+       style="fill:#606060;fill-opacity:1;stroke:none;stroke-width:0.23706098;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect819"
+       width="7.9375"
+       height="2.1166666"
+       x="28.726189"
+       y="116.32738" />
+    <rect
+       style="fill:#606060;fill-opacity:1;stroke:none;stroke-width:0.23706098;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect819-4"
+       width="7.9375"
+       height="2.1166666"
+       x="129.55655"
+       y="-49.892853"
+       transform="rotate(90)" />
+    <rect
+       style="fill:#606060;fill-opacity:1;stroke:none;stroke-width:0.23382215;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect836"
+       width="21.166666"
+       height="2.1166666"
+       x="28.726189"
+       y="135.37738" />
+    <rect
+       style="fill:#606060;fill-opacity:1;stroke:none;stroke-width:0.1917959;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect840"
+       width="2.1166666"
+       height="21.166666"
+       x="28.726189"
+       y="116.32738" />
+    <path
+       style="fill:#606060;fill-opacity:1;stroke:#000000;stroke-width:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 41.955355,116.32738 h 7.937498 v 7.9375 z"
+       id="path852"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccc" />
+    <rect
+       style="fill:#606060;fill-opacity:1;stroke:#000000;stroke-width:0;stroke-miterlimit:26.50000191;stroke-dasharray:none;stroke-opacity:1;stroke-linejoin:miter"
+       id="rect854"
+       width="15.875"
+       height="2.1166666"
+       x="-64.626846"
+       y="116.47713"
+       transform="rotate(-45)" />
+  </g>
+</svg>

common/static/common/img/info.svg

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="20mm"
+   height="20mm"
+   viewBox="0 0 20 20"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   sodipodi:docname="info.svg">
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="3.959798"
+     inkscape:cx="132.32575"
+     inkscape:cy="50.607638"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     inkscape:snap-text-baseline="true"
+     inkscape:pagecheckerboard="true"
+     inkscape:window-width="1853"
+     inkscape:window-height="1025"
+     inkscape:window-x="67"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-56.696434,-101.61904)">
+    <flowRoot
+       xml:space="preserve"
+       id="flowRoot821"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:40px;line-height:1.25;font-family:serif;-inkscape-font-specification:serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+       transform="scale(0.26458333)"><flowRegion
+         id="flowRegion823"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"><rect
+           id="rect825"
+           width="10.714281"
+           height="40.000023"
+           x="276.42856"
+           y="354.66251"
+           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif;fill:#ffffff" /></flowRegion><flowPara
+         id="flowPara827" /></flowRoot>    <g
+       id="g889"
+       transform="matrix(0.5,0,0,0.5,28.348217,60.809521)">
+      <g
+         id="g883">
+        <circle
+           style="fill:#606060;fill-opacity:1;stroke:none;stroke-width:0.25998104;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+           id="path10"
+           cx="76.696434"
+           cy="101.61904"
+           r="20" />
+      </g>
+      <text
+         id="text852"
+         y="116.26504"
+         x="69.77977"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:22.3214283px;line-height:1.25;font-family:serif;-inkscape-font-specification:serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.55803567"
+         xml:space="preserve"><tspan
+           style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:41.66666794px;font-family:'URW Palladio L';-inkscape-font-specification:'URW Palladio L Bold';fill:#ffffff;stroke-width:0.55803567"
+           y="116.26504"
+           x="69.77977"
+           id="tspan850"
+           sodipodi:role="line">i</tspan></text>
+    </g>
+  </g>
+</svg>

common/static/common/js/csrf.js

+"use strict";
+
+//https://docs.djangoproject.com/en/2.2/ref/csrf/
+
+function getCookie(name) {
+    var cookieValue = null;
+    if (document.cookie && document.cookie !== '') {
+        var cookies = document.cookie.split(';');
+        for (var i = 0; i < cookies.length; i++) {
+            var cookie = cookies[i].trim();
+            // Does this cookie string begin with the name we want?
+            if (cookie.substring(0, name.length + 1) === (name + '=')) {
+                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
+                break;
+            }
+        }
+    }
+    return cookieValue;
+}
+var csrftoken = getCookie('csrftoken');
+
+function csrfSafeMethod(method) {
+    // these HTTP methods do not require CSRF protection
+    return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
+}
+$.ajaxSetup({
+    beforeSend: function(xhr, settings) {
+        if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
+            xhr.setRequestHeader("X-CSRFToken", csrftoken);
+        }
+    }
+});

common/static/common/js/init.js

+"use strict";
+
+var lang;
+
+$(document).ready(function() {
+    
+    $('.nav-item > a[href$="' + window.location.pathname + '"]').addClass('active');
+    
+    lang = $('html').attr('lang');
+    
+    check_import_status();
+    
+});

common/static/common/js/utils.js

+jQuery.fn.tagName = function() {
+    return this.prop('tagName').toLowerCase();
+};
+
+// https://stackoverflow.com/questions/3442394/using-text-to-retrieve-only-text-not-nested-in-child-tags
+jQuery.fn.immediateText = function() {
+    return this.contents().not(this.children()).text();
+};
+
+function tooltipped_span(text, tooltip_text, cls) {
+    var html = tooltip_text.includes('<') ? ' data-html="true"' : '';
+    cls = cls ? ' class="' + cls + '"' : '';
+    // https://www.w3schools.com/jsref/jsref_replace.asp /xyz/g to replace ALL occurrences of xyz
+    return '<span data-toggle="tooltip" data-placement="bottom"' + cls + html + ' title="' + tooltip_text.replace(/"/g, '&quot;') + '">' + text + '</span>';
+}
+
+function tooltipped_info(text) {
+    return tooltipped_span('<img src="/static/common/img/info.svg" alt="info" width="14" height="14"/>', text);
+}
+
+function activate_tooltips(selector) {
+    selector.find('[data-toggle="tooltip"]').tooltip();
+}
+
+function clear_info() {
+    $('#info').empty();
+    $('#info').removeClass('bg-success bg-info bg-warning bg-danger bg-dark');
+    $('.wait-spinner').remove();
+}
+
+function show_debug(text) {
+    clear_info();
+    $('#info').addClass('bg-info');
+    $('#info').html('DEBUG: ' + text);
+}
+
+function show_info(text) {
+    clear_info();
+    $('#info').addClass('bg-dark text-light');
+    $('#info').html(text);
+}
+
+function show_warning(text) {
+    clear_info();
+    $('#info').addClass('bg-warning');
+    $('#info').html(text);
+}
+
+function show_error(text) {
+    clear_info();
+    $('#info').addClass('bg-danger');
+    $('#info').html(text);
+}
+
+function show_error_alert(text, insert_after) {
+    var alert = '<div class="alert alert-danger alert-dismissible fade show" role="alert">' + text + '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button></div>';
+    insert_after.after(alert);
+}
+
+function show_warning_alert(text, insert_after) {
+    var alert = '<div class="alert alert-warning alert-dismissible fade show" role="alert">' + text + '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button></div>';
+    insert_after.after(alert);
+}
+
+function show_info_alert(text, insert_after) {
+    var alert = '<div class="alert alert-info alert-dismissible fade show" role="alert">' + text + '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button></div>';
+    insert_after.after(alert);
+}
+
+function check_import_status() {
+    $.ajax({
+        type     : 'get',
+        url      : '/' + lang + '/common/get_import_status/',
+        dataType : 'json',
+        success  : function(response) {
+            if (response.status === 'in_progress') {
+                $('#import-status').html(gettext('Trwa import danych!'));
+            } else {
+                $('#import-status').empty();
+            }
+        },
+        error: function(request, errorType, errorMessage) {
+            show_error(errorType + ' (' + errorMessage + ')');
+        }
+    });
+}

common/templates/base-margins.html

+{% extends "base.html" %}
+
+{% load i18n %}
+
+{% block content %}
+
+<div class="row m-0 p-0 h-100">
+
+    <div class="container bg-light">
+
+    {% block content2 %}
+
+    {% endblock %}
+    
+    </div>
+
+</div>
+
+{% endblock %}