Merge pull request #824 from SchrodingersGat/reporting-app

Reporting app

InvenTree/InvenTree/settings.py

@@ -72,6 +72,27 @@ if DEBUG:
         format='%(asctime)s %(levelname)s %(message)s',
     )
 
+# Web URL endpoint for served static files
+STATIC_URL = '/static/'
+
+# The filesystem location for served static files
+STATIC_ROOT = os.path.abspath(CONFIG.get('static_root', os.path.join(BASE_DIR, 'static')))
+
+STATICFILES_DIRS = [
+    os.path.join(BASE_DIR, 'InvenTree', 'static'),
+]
+
+# Web URL endpoint for served media files
+MEDIA_URL = '/media/'
+
+# The filesystem location for served static files
+MEDIA_ROOT = os.path.abspath(CONFIG.get('media_root', os.path.join(BASE_DIR, 'media')))
+
+if DEBUG:
+    print("InvenTree running in DEBUG mode")
+    print("MEDIA_ROOT:", MEDIA_ROOT)
+    print("STATIC_ROOT:", STATIC_ROOT)
+
 # Does the user wish to use the sentry.io integration?
 sentry_opts = CONFIG.get('sentry', {})
 
@@ -106,12 +127,13 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
 
     # InvenTree apps
-    'common.apps.CommonConfig',
-    'part.apps.PartConfig',
-    'stock.apps.StockConfig',
-    'company.apps.CompanyConfig',
     'build.apps.BuildConfig',
+    'common.apps.CommonConfig',
+    'company.apps.CompanyConfig',
     'order.apps.OrderConfig',
+    'part.apps.PartConfig',
+    'report.apps.ReportConfig',
+    'stock.apps.StockConfig',
 
     # Third part add-ons
     'django_filters',               # Extended filter functionality
@@ -126,6 +148,7 @@ INSTALLED_APPS = [
     'mptt',                         # Modified Preorder Tree Traversal
     'markdownx',                    # Markdown editing
     'markdownify',                  # Markdown template rendering
+    'django_tex',                   # LaTeX output
 ]
 
 LOGGING = {
@@ -160,7 +183,11 @@ ROOT_URLCONF = 'InvenTree.urls'
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [os.path.join(BASE_DIR, 'templates')],
+        'DIRS': [
+            os.path.join(BASE_DIR, 'templates'),
+            # Allow templates in the reporting directory to be accessed
+            os.path.join(MEDIA_ROOT, 'report'),
+        ],
         'APP_DIRS': True,
         'OPTIONS': {
             'context_processors': [
@@ -173,6 +200,14 @@ TEMPLATES = [
             ],
         },
     },
+    # Backend for LaTeX report rendering
+    {
+        'NAME': 'tex',
+        'BACKEND': 'django_tex.engine.TeXEngine',
+        'DIRS': [
+            os.path.join(MEDIA_ROOT, 'report'),
+        ]
+    },
 ]
 
 REST_FRAMEWORK = {
@@ -315,31 +350,19 @@ DATE_INPUT_FORMATS = [
     "%Y-%m-%d",
 ]
 
+# LaTeX rendering settings (django-tex)
+latex_settings = CONFIG.get('latex', {})
 
-# Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/1.10/howto/static-files/
+# Set the latex interpreter in the config.yaml settings file
+LATEX_INTERPRETER = latex_settings.get('interpreter', 'pdflatex')
 
-# Web URL endpoint for served static files
-STATIC_URL = '/static/'
+LATEX_INTERPRETER_OPTIONS = latex_settings.get('options', '')
 
-# The filesystem location for served static files
-STATIC_ROOT = os.path.abspath(CONFIG.get('static_root', os.path.join(BASE_DIR, 'static')))
-
-STATICFILES_DIRS = [
-    os.path.join(BASE_DIR, 'InvenTree', 'static'),
+LATEX_GRAPHICSPATH = [
+    # Allow LaTeX files to access the report assets directory
+    os.path.join(MEDIA_ROOT, "report", "assets"),
 ]
 
-# Web URL endpoint for served media files
-MEDIA_URL = '/media/'
-
-# The filesystem location for served static files
-MEDIA_ROOT = os.path.abspath(CONFIG.get('media_root', os.path.join(BASE_DIR, 'media')))
-
-if DEBUG:
-    print("InvenTree running in DEBUG mode")
-    print("MEDIA_ROOT:", MEDIA_ROOT)
-    print("STATIC_ROOT:", STATIC_ROOT)
-
 # crispy forms use the bootstrap templates
 CRISPY_TEMPLATE_PACK = 'bootstrap3'
 

InvenTree/InvenTree/views.py

@@ -166,6 +166,13 @@ class AjaxMixin(object):
             except AttributeError:
                 context = {}
 
+        # If no 'form' argument is supplied, look at the underlying class
+        if form is None:
+            try:
+                form = self.get_form()
+            except AttributeError:
+                pass
+
         if form:
             context['form'] = form
         else:

InvenTree/config_template.yaml

@@ -73,3 +73,14 @@ log_queries: False
 sentry:
   enabled: False
   # dsn: add-your-sentry-dsn-here
+
+# LaTeX report rendering
+# InvenTree uses the django-tex plugin to enable LaTeX report rendering
+# Ref: https://pypi.org/project/django-tex/
+latex:
+  # Select the LaTeX interpreter to use for PDF rendering
+  # Note: The intepreter needs to be installed on the system!
+  # e.g. to install pdflatex: apt-get texlive-latex-base
+  interpreter: pdflatex 
+  # Extra options to pass through to the LaTeX interpreter
+  options: ''

InvenTree/part/models.py

@@ -41,6 +41,7 @@ from InvenTree.helpers import decimal2string, normalize
 
 from InvenTree.status_codes import BuildStatus, PurchaseOrderStatus
 
+from report import models as ReportModels
 from build import models as BuildModels
 from order import models as OrderModels
 from company.models import SupplierPart
@@ -358,6 +359,24 @@ class Part(MPTTModel):
         self.category = category
         self.save()
 
+    def get_test_report_templates(self):
+        """
+        Return all the TestReport template objects which map to this Part.
+        """
+
+        templates = []
+
+        for report in ReportModels.TestReport.objects.all():
+            if report.matches_part(self):
+                templates.append(report)
+
+        return templates
+
+    def has_test_report_templates(self):
+        """ Return True if this part has a TestReport defined """
+
+        return len(self.get_test_report_templates()) > 0
+
     def get_absolute_url(self):
         """ Return the web URL for viewing this part """
         return reverse('part-detail', kwargs={'pk': self.id})

InvenTree/report/admin.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.contrib import admin
+
+from .models import ReportTemplate, ReportAsset
+from .models import TestReport
+
+
+class ReportTemplateAdmin(admin.ModelAdmin):
+
+    list_display = ('name', 'description', 'template')
+
+
+class ReportAssetAdmin(admin.ModelAdmin):
+
+    list_display = ('asset', 'description')
+
+
+admin.site.register(ReportTemplate, ReportTemplateAdmin)
+admin.site.register(TestReport, ReportTemplateAdmin)
+admin.site.register(ReportAsset, ReportAssetAdmin)

InvenTree/report/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class ReportConfig(AppConfig):
+    name = 'report'

InvenTree/report/migrations/0001_initial.py

@@ -0,0 +1,49 @@
+# Generated by Django 3.0.5 on 2020-05-22 11:00
+
+import django.core.validators
+from django.db import migrations, models
+import report.models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ReportAsset',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('asset', models.FileField(help_text='Report asset file', upload_to=report.models.rename_asset)),
+                ('description', models.CharField(help_text='Asset file description', max_length=250)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ReportTemplate',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='Template name', max_length=100, unique=True)),
+                ('template', models.FileField(help_text='Report template file', upload_to=report.models.rename_template, validators=[django.core.validators.FileExtensionValidator(allowed_extensions=['html', 'htm', 'tex'])])),
+                ('description', models.CharField(help_text='Report template description', max_length=250)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='TestReport',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='Template name', max_length=100, unique=True)),
+                ('template', models.FileField(help_text='Report template file', upload_to=report.models.rename_template, validators=[django.core.validators.FileExtensionValidator(allowed_extensions=['html', 'htm', 'tex'])])),
+                ('description', models.CharField(help_text='Report template description', max_length=250)),
+                ('part_filters', models.CharField(blank=True, help_text='Part query filters (comma-separated list of key=value pairs)', max_length=250, validators=[report.models.validateFilterString])),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

InvenTree/report/models.py

@@ -0,0 +1,250 @@
+"""
+Report template model definitions
+"""
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import os
+
+from django.db import models
+from django.core.validators import FileExtensionValidator
+from django.core.exceptions import ValidationError
+
+from django.utils.translation import gettext_lazy as _
+
+from part import models as PartModels
+
+from django_tex.shortcuts import render_to_pdf
+from django_weasyprint import WeasyTemplateResponseMixin
+
+
+def rename_template(instance, filename):
+
+    filename = os.path.basename(filename)
+
+    return os.path.join('report', 'report_template', instance.getSubdir(), filename)
+
+
+def validateFilterString(value):
+    """
+    Validate that a provided filter string looks like a list of comma-separated key=value pairs
+
+    These should nominally match to a valid database filter based on the model being filtered.
+
+    e.g. "category=6, IPN=12"
+    e.g. "part__name=widget"
+
+    The ReportTemplate class uses the filter string to work out which items a given report applies to.
+    For example, an acceptance test report template might only apply to stock items with a given IPN,
+    so the string could be set to:
+
+    filters = "IPN = ACME0001"
+
+    Returns a map of key:value pairs
+    """
+
+    # Empty results map
+    results = {}
+
+    value = str(value).strip()
+
+    if not value or len(value) == 0:
+        return results
+
+    groups = value.split(',')
+
+    for group in groups:
+        group = group.strip()
+
+        pair = group.split('=')
+
+        if not len(pair) == 2:
+            raise ValidationError(
+                "Invalid group: {g}".format(g=group)
+            )
+
+        k, v = pair
+
+        k = k.strip()
+        v = v.strip()
+
+        if not k or not v:
+            raise ValidationError(
+                "Invalid group: {g}".format(g=group)
+            )
+
+        results[k] = v
+
+    return results
+
+
+class WeasyprintReportMixin(WeasyTemplateResponseMixin):
+    """
+    Class for rendering a HTML template to a PDF.
+    """
+
+    pdf_filename = 'report.pdf'
+    pdf_attachment = True
+
+    def __init__(self, request, template, **kwargs):
+
+        self.request = request
+        self.template_name = template
+        self.pdf_filename = kwargs.get('filename', 'report.pdf')
+
+
+class ReportTemplateBase(models.Model):
+    """
+    Reporting template model.
+    """
+
+    def __str__(self):
+        return "{n} - {d}".format(n=self.name, d=self.description)
+
+    def getSubdir(self):
+        return ''
+
+    @property
+    def extension(self):
+        return os.path.splitext(self.template.name)[1].lower()
+
+    @property
+    def template_name(self):
+        return os.path.join('report_template', self.getSubdir(), os.path.basename(self.template.name))
+
+    def get_context_data(self, request):
+        """
+        Supply context data to the template for rendering
+        """
+
+        return {}
+
+    def render(self, request, **kwargs):
+        """
+        Render the template to a PDF file.
+
+        Supported template formats:
+            .tex - Uses django-tex plugin to render LaTeX template against an installed LaTeX engine
+            .html - Uses django-weasyprint plugin to render HTML template against Weasyprint
+        """
+
+        filename = kwargs.get('filename', 'report.pdf')
+
+        context = self.get_context_data(request)
+
+        context['request'] = request
+
+        if self.extension == '.tex':
+            # Render LaTeX template to PDF
+            return render_to_pdf(request, self.template_name, context, filename=filename)
+        elif self.extension in ['.htm', '.html']:
+            # Render HTML template to PDF
+            wp = WeasyprintReportMixin(request, self.template_name, **kwargs)
+            return wp.render_to_response(context, **kwargs)
+
+    name = models.CharField(
+        blank=False, max_length=100,
+        help_text=_('Template name'),
+        unique=True,
+    )
+
+    template = models.FileField(
+        upload_to=rename_template,
+        help_text=_("Report template file"),
+        validators=[FileExtensionValidator(allowed_extensions=['html', 'htm', 'tex'])],
+    )
+
+    description = models.CharField(max_length=250, help_text=_("Report template description"))
+
+    class Meta:
+        abstract = True
+
+
+class ReportTemplate(ReportTemplateBase):
+    """
+    A simple reporting template which is used to upload template files,
+    which can then be used in other concrete template classes.
+    """
+
+    pass
+
+
+class PartFilterMixin(models.Model):
+    """
+    A model mixin used for matching a report type against a Part object.
+    Used to assign a report to a given part using custom filters.
+    """
+
+    class Meta:
+        abstract = True
+
+    def matches_part(self, part):
+        """
+        Test if this report matches a given part.
+        """
+
+        filters = self.get_part_filters()
+
+        parts = PartModels.Part.objects.filter(**filters)
+
+        parts = parts.filter(pk=part.pk)
+
+        return parts.exists()
+
+    def get_part_filters(self):
+        """ Return a map of filters to be used for Part filtering """
+        return validateFilterString(self.part_filters)
+
+    part_filters = models.CharField(
+        blank=True,
+        max_length=250,
+        help_text=_("Part query filters (comma-separated list of key=value pairs)"),
+        validators=[validateFilterString]
+    )
+
+
+class TestReport(ReportTemplateBase, PartFilterMixin):
+    """
+    Render a TestReport against a StockItem object.
+    """
+
+    def getSubdir(self):
+        return 'test'
+
+    # Requires a stock_item object to be given to it before rendering
+    stock_item = None
+
+    def get_context_data(self, request):
+        return {
+            'stock_item': self.stock_item,
+            'part': self.stock_item.part,
+            'results': self.stock_item.testResultMap(),
+            'result_list': self.stock_item.testResultList()
+        }
+
+
+def rename_asset(instance, filename):
+
+    filename = os.path.basename(filename)
+
+    return os.path.join('report', 'assets', filename)
+
+
+class ReportAsset(models.Model):
+    """
+    Asset file for use in report templates.
+    For example, an image to use in a header file.
+    Uploaded asset files appear in MEDIA_ROOT/report/assets,
+    and can be loaded in a template using the {% report_asset <filename> %} tag.
+    """
+
+    def __str__(self):
+        return os.path.basename(self.asset.name)
+
+    asset = models.FileField(
+        upload_to=rename_asset,
+        help_text=_("Report asset file"),
+    )
+
+    description = models.CharField(max_length=250, help_text=_("Asset file description"))

InvenTree/report/tests.py

@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals

InvenTree/report/views.py

@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals

InvenTree/stock/forms.py

@@ -142,6 +142,34 @@ class SerializeStockForm(HelperForm):
         ]
 
 
+class TestReportFormatForm(HelperForm):
+    """ Form for selection a test report template """
+
+    class Meta:
+        model = StockItem
+        fields = [
+            'template',
+        ]
+
+    def __init__(self, stock_item, *args, **kwargs):
+        self.stock_item = stock_item
+
+        super().__init__(*args, **kwargs)
+        self.fields['template'].choices = self.get_template_choices()
+    
+    def get_template_choices(self):
+        """ Available choices """
+
+        choices = []
+
+        for report in self.stock_item.part.get_test_report_templates():
+            choices.append((report.pk, report))
+
+        return choices
+
+    template = forms.ChoiceField(label=_('Template'), help_text=_('Select test report template'))
+
+
 class ExportOptionsForm(HelperForm):
     """ Form for selecting stock export options """
 

InvenTree/stock/models.py

@@ -963,6 +963,13 @@ class StockItem(MPTTModel):
 
         return result_map
 
+    def testResultList(self, **kwargs):
+        """
+        Return a list of test-result objects for this StockItem
+        """
+
+        return self.testResultMap(**kwargs).values()
+
     def requiredTestStatus(self):
         """
         Return the status of the tests required for this StockItem.

InvenTree/stock/templates/stock/item_base.html

@@ -93,8 +93,13 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
         <span class='fas fa-copy'/>
     </button>
     {% endif %}
+    {% if item.part.has_test_report_templates %}
+    <button type='button' class='btn btn-default' id='stock-test-report' title='Generate test report'>
+        <span class='fas fa-tasks'/>
+    </button>
+    {% endif %}
     <button type='button' class='btn btn-default' id='stock-edit' title='Edit stock item'>
-        <span class='fas fa-edit'/>
+        <span class='fas fa-edit icon-blue'/>
     </button>
     {% if item.can_delete %}
     <button type='button' class='btn btn-default' id='stock-delete' title='Edit stock item'>
@@ -264,6 +269,17 @@ $("#stock-serialize").click(function() {
     );
 });
 
+{% if item.part.has_test_report_templates %}
+$("#stock-test-report").click(function() {
+    launchModalForm(
+        "{% url 'stock-item-test-report-select' item.id %}",
+        {
+            follow: true,
+        }
+    );
+});
+{% endif %}
+
 $("#stock-duplicate").click(function() {
     launchModalForm(
         "{% url 'stock-item-create' %}",

InvenTree/stock/urls.py

@@ -25,6 +25,8 @@ stock_item_detail_urls = [
 
     url(r'^add_tracking/', views.StockItemTrackingCreate.as_view(), name='stock-tracking-create'),
 
+    url(r'^test-report-select/', views.StockItemTestReportSelect.as_view(), name='stock-item-test-report-select'),
+
     url(r'^test/', views.StockItemDetail.as_view(template_name='stock/item_tests.html'), name='stock-item-test-results'),
     url(r'^children/', views.StockItemDetail.as_view(template_name='stock/item_childs.html'), name='stock-item-children'),
     url(r'^attachments/', views.StockItemDetail.as_view(template_name='stock/item_attachments.html'), name='stock-item-attachments'),
@@ -53,6 +55,8 @@ stock_urls = [
 
     url(r'^item/new/?', views.StockItemCreate.as_view(), name='stock-item-create'),
 
+    url(r'^item/test-report-download/', views.StockItemTestReportDownload.as_view(), name='stock-item-test-report-download'),
+
     # URLs for StockItem attachments
     url(r'^item/attachment/', include([
         url(r'^new/', views.StockItemAttachmentCreate.as_view(), name='stock-item-attachment-create'),

InvenTree/stock/views.py

@@ -27,19 +27,12 @@ from datetime import datetime
 
 from company.models import Company, SupplierPart
 from part.models import Part
+from report.models import TestReport
 from .models import StockItem, StockLocation, StockItemTracking, StockItemAttachment, StockItemTestResult
 
 from .admin import StockItemResource
 
-from .forms import EditStockLocationForm
-from .forms import CreateStockItemForm
-from .forms import EditStockItemForm
-from .forms import AdjustStockForm
-from .forms import TrackingEntryForm
-from .forms import SerializeStockForm
-from .forms import ExportOptionsForm
-from .forms import EditStockItemAttachmentForm
-from .forms import EditStockItemTestResultForm
+from . import forms as StockForms
 
 
 class StockIndex(ListView):
@@ -114,7 +107,7 @@ class StockLocationEdit(AjaxUpdateView):
     """
 
     model = StockLocation
-    form_class = EditStockLocationForm
+    form_class = StockForms.EditStockLocationForm
     context_object_name = 'location'
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Edit Stock Location')
@@ -158,7 +151,7 @@ class StockItemAttachmentCreate(AjaxCreateView):
     """
 
     model = StockItemAttachment
-    form_class = EditStockItemAttachmentForm
+    form_class = StockForms.EditStockItemAttachmentForm
     ajax_form_title = _("Add Stock Item Attachment")
     ajax_template_name = "modal_form.html"
 
@@ -203,7 +196,7 @@ class StockItemAttachmentEdit(AjaxUpdateView):
     """
 
     model = StockItemAttachment
-    form_class = EditStockItemAttachmentForm
+    form_class = StockForms.EditStockItemAttachmentForm
     ajax_form_title = _("Edit Stock Item Attachment")
 
     def get_form(self):
@@ -271,7 +264,7 @@ class StockItemTestResultCreate(AjaxCreateView):
     """
 
     model = StockItemTestResult
-    form_class = EditStockItemTestResultForm
+    form_class = StockForms.EditStockItemTestResultForm
     ajax_form_title = _("Add Test Result")
 
     def post_save(self, **kwargs):
@@ -319,7 +312,7 @@ class StockItemTestResultEdit(AjaxUpdateView):
     """
 
     model = StockItemTestResult
-    form_class = EditStockItemTestResultForm
+    form_class = StockForms.EditStockItemTestResultForm
     ajax_form_title = _("Edit Test Result")
 
     def get_form(self):
@@ -343,12 +336,81 @@ class StockItemTestResultDelete(AjaxDeleteView):
     context_object_name = "result"
 
 
+class StockItemTestReportSelect(AjaxView):
+    """
+    View for selecting a TestReport template,
+    and generating a TestReport as a PDF.
+    """
+
+    model = StockItem
+    ajax_form_title = _("Select Test Report Template")
+
+    def get_form(self):
+
+        stock_item = StockItem.objects.get(pk=self.kwargs['pk'])
+        return StockForms.TestReportFormatForm(stock_item)
+
+    def post(self, request, *args, **kwargs):
+
+        template_id = request.POST.get('template', None)
+
+        try:
+            template = TestReport.objects.get(pk=template_id)
+        except (ValueError, TestReport.DoesNoteExist):
+            raise ValidationError({'template': _("Select valid template")})
+
+        stock_item = StockItem.objects.get(pk=self.kwargs['pk'])
+
+        url = reverse('stock-item-test-report-download')
+
+        url += '?stock_item={id}'.format(id=stock_item.pk)
+        url += '&template={id}'.format(id=template.pk)
+
+        data = {
+            'form_valid': True,
+            'url': url,
+        }
+
+        return self.renderJsonResponse(request, self.get_form(), data=data)
+
+
+class StockItemTestReportDownload(AjaxView):
+    """
+    Download a TestReport against a StockItem.
+
+    Requires the following arguments to be passed as URL params:
+
+    stock_item - Valid PK of a StockItem object
+    template - Valid PK of a TestReport template object
+
+    """
+
+    def get(self, request, *args, **kwargs):
+
+        template = request.GET.get('template', None)
+        stock_item = request.GET.get('stock_item', None)
+
+        try:
+            template = TestReport.objects.get(pk=template)
+        except (ValueError, TestReport.DoesNotExist):
+            raise ValidationError({'template': 'Invalid template ID'})
+
+        try:
+            stock_item = StockItem.objects.get(pk=stock_item)
+        except (ValueError, StockItem.DoesNotExist):
+            raise ValidationError({'stock_item': 'Invalid StockItem ID'})
+
+        template.stock_item = stock_item
+
+        return template.render(request)
+
+
 class StockExportOptions(AjaxView):
     """ Form for selecting StockExport options """
 
     model = StockLocation
     ajax_form_title = _('Stock Export Options')
-    form_class = ExportOptionsForm
+    form_class = StockForms.ExportOptionsForm
 
     def post(self, request, *args, **kwargs):
 
@@ -491,7 +553,7 @@ class StockAdjust(AjaxView, FormMixin):
 
     ajax_template_name = 'stock/stock_adjust.html'
     ajax_form_title = _('Adjust Stock')
-    form_class = AdjustStockForm
+    form_class = StockForms.AdjustStockForm
     stock_items = []
 
     def get_GET_items(self):
@@ -809,7 +871,7 @@ class StockItemEdit(AjaxUpdateView):
     """
 
     model = StockItem
-    form_class = EditStockItemForm
+    form_class = StockForms.EditStockItemForm
     context_object_name = 'item'
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Edit Stock Item')
@@ -845,7 +907,7 @@ class StockLocationCreate(AjaxCreateView):
     """
 
     model = StockLocation
-    form_class = EditStockLocationForm
+    form_class = StockForms.EditStockLocationForm
     context_object_name = 'location'
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Create new Stock Location')
@@ -870,7 +932,7 @@ class StockItemSerialize(AjaxUpdateView):
     model = StockItem
     ajax_template_name = 'stock/item_serialize.html'
     ajax_form_title = _('Serialize Stock')
-    form_class = SerializeStockForm
+    form_class = StockForms.SerializeStockForm
 
     def get_form(self):
 
@@ -879,7 +941,7 @@ class StockItemSerialize(AjaxUpdateView):
         # Pass the StockItem object through to the form
         context['item'] = self.get_object()
 
-        form = SerializeStockForm(**context)
+        form = StockForms.SerializeStockForm(**context)
 
         return form
 
@@ -958,7 +1020,7 @@ class StockItemCreate(AjaxCreateView):
     """
 
     model = StockItem
-    form_class = CreateStockItemForm
+    form_class = StockForms.CreateStockItemForm
     context_object_name = 'item'
     ajax_template_name = 'modal_form.html'
     ajax_form_title = _('Create new Stock Item')
@@ -1265,7 +1327,7 @@ class StockItemTrackingEdit(AjaxUpdateView):
 
     model = StockItemTracking
     ajax_form_title = _('Edit Stock Tracking Entry')
-    form_class = TrackingEntryForm
+    form_class = StockForms.TrackingEntryForm
 
 
 class StockItemTrackingCreate(AjaxCreateView):
@@ -1274,7 +1336,7 @@ class StockItemTrackingCreate(AjaxCreateView):
 
     model = StockItemTracking
     ajax_form_title = _("Add Stock Tracking Entry")
-    form_class = TrackingEntryForm
+    form_class = StockForms.TrackingEntryForm
 
     def post(self, request, *args, **kwargs):
 

Makefile

@@ -51,12 +51,12 @@ style:
 # Run unit tests
 test:
 	cd InvenTree && python3 manage.py check
-	cd InvenTree && python3 manage.py test build common company order part stock 
+	cd InvenTree && python3 manage.py test build common company order part report stock InvenTree
 
 # Run code coverage
 coverage:
 	cd InvenTree && python3 manage.py check
-	coverage run InvenTree/manage.py test build common company order part stock InvenTree
+	coverage run InvenTree/manage.py test build common company order part report stock InvenTree
 	coverage html
 
 # Install packages required to generate code docs

requirements.txt

@@ -20,3 +20,5 @@ coverage==4.0.3                 # Unit test coverage
 python-coveralls==2.9.1         # Coveralls linking (for Travis)
 rapidfuzz==0.7.6                # Fuzzy string matching
 django-stdimage==5.1.1          # Advanced ImageField management
+django-tex==1.1.7               # LaTeX PDF export
+django-weasyprint==1.0.1        # HTML PDF export