PDF documents

cms/pdf.py

@@ -1,10 +1,8 @@
-
 import os
-from django.http.response import HttpResponse
+
 from django.conf import settings
 from reportlab.platypus import (SimpleDocTemplate, Spacer, Frame, Paragraph, Preformatted,
-                                PageTemplate, NextPageTemplate, FrameBreak)
+                                PageTemplate, NextPageTemplate, FrameBreak, Table, TableStyle)
-from reportlab.platypus import Table, TableStyle, Image
 from reportlab.lib.pagesizes import A4, landscape
 from reportlab.lib.units import cm
 from reportlab.lib.enums import TA_LEFT, TA_CENTER
@@ -12,19 +10,19 @@ from reportlab.lib import colors
 from reportlab.lib.colors import HexColor
 from reportlab.lib.styles import ParagraphStyle as ps
 from reportlab.pdfgen import canvas
-from reportlab.pdfbase.pdfmetrics import stringWidth
-from reportlab.lib.styles import getSampleStyleSheet
 
-style_8_c = ps(name='CORPS', fontName='Helvetica', fontSize=6, alignment=TA_CENTER)
 style_normal = ps(name='CORPS', fontName='Helvetica', fontSize=9, alignment=TA_LEFT)
 style_bold = ps(name='CORPS', fontName='Helvetica-Bold', fontSize=10, alignment=TA_LEFT)
-style_title = ps(name='CORPS', fontName='Helvetica', fontSize=12, alignment=TA_LEFT)
-style_adress = ps(name='CORPS', fontName='Helvetica', fontSize=10, alignment=TA_LEFT, leftIndent=300)
 
 LOGO_EPC = os.path.join(settings.MEDIA_ROOT, 'logo_EPC.png')
 LOGO_ESNE = os.path.join(settings.MEDIA_ROOT, 'logo_ESNE.png')
+FILIERE = 'Formation EDS'
 
 class NumberedCanvas(canvas.Canvas):
+    """
+    Page number and page count
+    """
+
     def __init__(self, *args, **kwargs):
         canvas.Canvas.__init__(self, *args, **kwargs)
         self._saved_page_states = []
@@ -44,15 +42,15 @@ class NumberedCanvas(canvas.Canvas):
 
     def draw_page_number(self, page_count):
         self.setFont("Helvetica", 7)
-        self.drawRightString(20*cm, 2*cm, "Page %d de %d" % (self._pageNumber, page_count))
+        self.drawString(self._pagesize[0] / 2, 1 * cm, "Page {0} de {1}".format(self._pageNumber, page_count))
 
 
 class EpcBaseDocTemplate(SimpleDocTemplate):
-    def __init__(self, filename, titles=['', ''], pagesize=A4):
+    def __init__(self, filename, title='', pagesize=A4):
         super().__init__(filename, pagesize=pagesize, _pageBreakQuick=0, lefMargin=1.5 * cm, bottomMargin=1.5 * cm,
                          topMargin=1.5 * cm, rightMargin=1.5 * cm)
         self.story = []
-        self.titles = titles
+        self.title = title
 
     def header(self, canvas, doc):
         canvas.saveState()
@@ -60,64 +58,75 @@ class EpcBaseDocTemplate(SimpleDocTemplate):
         canvas.drawImage(LOGO_ESNE, doc.width - 2 * cm, doc.height - 0.5 * cm, 5 * cm, 3 * cm,
                          preserveAspectRatio=True)
         canvas.line(doc.leftMargin, doc.height - 0.5 * cm, doc.width + doc.leftMargin, doc.height - 0.5 * cm)
-        canvas.drawString(doc.leftMargin, doc.height - 1.1 * cm, self.titles[0])
+        canvas.drawString(doc.leftMargin, doc.height - 1.1 * cm, FILIERE)
-        canvas.drawRightString(doc.width+doc.leftMargin, doc.height - 1.1 * cm, self.titles[1])
+        canvas.drawRightString(doc.width + doc.leftMargin, doc.height - 1.1 * cm, self.title)
         canvas.line(doc.leftMargin, doc.height - 1.3 * cm, doc.width + doc.leftMargin, doc.height - 1.3 * cm)
         canvas.restoreState()
 
+    def later_header(self, canvas, doc):
+        canvas.saveState()
+        canvas.line(doc.leftMargin, doc.height + 1 * cm, doc.width + doc.leftMargin, doc.height + 1 * cm)
+        canvas.drawString(doc.leftMargin, doc.height + 0.5 * cm, FILIERE)
+        canvas.drawRightString(doc.width + doc.leftMargin, doc.height + 0.5 * cm, self.title)
+        canvas.line(doc.leftMargin, doc.height + 0.2 * cm, doc.width + doc.leftMargin, doc.height + 0.2 * cm)
+        canvas.restoreState()
+
     def setNormalTemplatePage(self):
         first_page_table_frame = Frame(self.leftMargin, self.bottomMargin, self.width + 1 * cm, self.height - 4 * cm,
-                                       id='small_table', showBoundary=0, leftPadding=0 * cm)
+                                       id='first_table', showBoundary=0, leftPadding=0 * cm)
         later_pages_table_frame = Frame(self.leftMargin, self.bottomMargin, self.width + 1 * cm, self.height - 2 * cm,
-                                        id='large_table', showBoundary=0, leftPadding=0 * cm)
+                                        id='later_table', showBoundary=0, leftPadding=0 * cm)
+        # Page template
         first_page = PageTemplate(id='FirstPage', frames=[first_page_table_frame], onPage=self.header)
-        later_pages = PageTemplate(id='LaterPages', frames=[later_pages_table_frame])
+        later_pages = PageTemplate(id='LaterPages', frames=[later_pages_table_frame], onPage=self.later_header)
         self.addPageTemplates([first_page, later_pages])
         self.story = [NextPageTemplate(['*', 'LaterPages'])]
 
     def setSixSemestreTemplatePage(self):
-        width = 8 * cm
+        frame_size = (8 * cm, 6.5 * cm,)
-        height = 6.5 * cm
+        w, h = frame_size
 
         x = [self.leftMargin, 12 * cm] * 3
         y = [17 * cm, 17 * cm, 10 * cm, 10 * cm, 3 * cm, 3 * cm]
-        frames = [Frame(x[f], y[f], width=width, height=height, showBoundary=0, leftPadding=0) for
+        frames = [Frame(x[f], y[f], width=w, height=h, showBoundary=0, leftPadding=0) for f in range(6)]
-                  f in range(6)]
+        # Frame for total periods
         frames.append(Frame(self.leftMargin, self.bottomMargin, self.width, 1.5 * cm, leftPadding=0))
         # Page template
         frame_page = PageTemplate(id='FirstPage', frames=frames, onPage=self.header)
         self.addPageTemplates(frame_page)
 
 
-class ModulePdf(EpcBaseDocTemplate):
+class ModuleDescriptionPdf(EpcBaseDocTemplate):
+    """
+    PDF for module description
+    """
 
     def __init__(self, filename):
-        super().__init__(filename, ['Formation EDS', 'Module de formation'], A4)
+        super().__init__(filename, 'Module de formation', A4)
         self.setNormalTemplatePage()
 
     def produce(self, module):
-        str_comp = ''
+        str_competence = ''
         for c in module.competence_set.all():
-            str_comp += '- {0} ({1})\n'.format(c.nom, c.code)
+            str_competence += '- {0} ({1})\n'.format(c.nom, c.code)
             """
             if self.request.user.is_authenticated:
 
                 for sc in c.souscompetence_set.all():
                     str_comp += '    -- {0}\n'.format(sc.nom)
             """
-
+        str_sous_competence = ''
-        str_scom = ''
         for c in module.competence_set.all():
             for sc in c.souscompetence_set.all():
-                str_scom += '- {0} (voir {1})\n'.format(sc.nom, c.code)
+                str_sous_competence += '- {0} (voir {1})\n'.format(sc.nom, c.code)
 
         str_res = ''
         for c in module.ressource_set.all():
             str_res += '- {0}\n'.format(c.nom)
 
-        str_obj = ''
+        str_objectif = ''
         for c in module.objectif_set.all():
-            str_obj += '- {0}\n'.format(c.nom)
+            str_objectif += '- {0}\n'.format(c.nom)
 
         self.story.append(Paragraph(module.__str__(), style_bold))
         self.story.append(Spacer(0, 0.5 * cm))
@@ -126,9 +135,9 @@ class ModulePdf(EpcBaseDocTemplate):
             ['Domaine', module.processus.domaine.__str__()],
             ['Processus', module.processus.__str__()],
             ['Situation emblématique', module.situation],
-            ['Compétences visées', str_comp],
+            ['Compétences visées', str_competence],
-            ['Plus-value sur le CFC ASE', str_scom],
+            ['Plus-value sur le CFC ASE', str_sous_competence],
-            ['Objectifs', str_obj],
+            ['Objectifs', str_objectif],
             ['Didactique', module.didactique],
             ['Evaluation', module.evaluation],
             ['Type', '{0}, obligatoire'.format(module.type)],
@@ -149,21 +158,26 @@ class ModulePdf(EpcBaseDocTemplate):
         t = Table(formated_data, colWidths=[4 * cm, 13 * cm])
         t.hAlign = TA_LEFT
         t.setStyle(
-            TableStyle([
+            TableStyle(
+                [
                     ('SIZE', (0, 0), (-1, -1), 7),
                     ('ALIGN', (0, 0), (-1, -1), 'LEFT'),
                     ('VALIGN', (0, 0), (-1, -1), 'TOP'),
-                ('LEFTPADDING', (0, 0), (-1, -1), 0), ]
+                    ('LEFTPADDING', (0, 0), (-1, -1), 0),
+                ]
             )
         )
         self.story.append(t)
         self.build(self.story, canvasmaker=NumberedCanvas)
 
 
-class PlanFormationPdf(EpcBaseDocTemplate):
+class FormationPlanPdf(EpcBaseDocTemplate):
+    """
+    PDF for formation plan
+    """
 
     def __init__(self, filename):
-        super().__init__(filename, ['Formation EDS', 'Plan de formation'], landscape(A4))
+        super().__init__(filename, 'Plan de formation', landscape(A4))
         self.setNormalTemplatePage()
 
     def formating(self, el1='', length=40):
@@ -171,7 +185,6 @@ class PlanFormationPdf(EpcBaseDocTemplate):
         return Preformatted(el1, style_normal, maxLineLength=length)
 
     def produce(self, domain, process):
-        # my_frame = Frame(2*cm, 1*cm, 26*cm, 15*cm, showBoundary=1)
         data = [
             ['Domaines', 'Processus', 'Sem1', 'Sem2', 'Sem3', 'Sem4', 'Sem5', 'Sem6'],
             [self.formating(domain[0]), self.formating(process[0], 60), 'M01', '', '', '', '', ''],
@@ -190,7 +203,8 @@ class PlanFormationPdf(EpcBaseDocTemplate):
             [self.formating(domain[7]), self.formating(process[10], 60), 'Macc', '', '', '', '', ''],
         ]
         t = Table(data, colWidths=[7 * cm, 9 * cm, 1.5 * cm, 1.5 * cm, 1.5 * cm, 1.5 * cm, 1.5 * cm, 1.5 * cm],
-                  spaceBefore=0.5*cm, spaceAfter=1*cm)
+                  spaceBefore=0.5 * cm, spaceAfter=1 * cm
+                  )
         t.setStyle(TableStyle([
             ('SIZE', (0, 0), (-1, -1), 8),
             ('FONT', (0, 0), (-1, 0), 'Helvetica-Bold'),
@@ -244,13 +258,16 @@ class PlanFormationPdf(EpcBaseDocTemplate):
         ]))
         t.hAlign = TA_LEFT
         self.story.append(t)
-        self.build(self.story)
+        self.build(self.story, canvasmaker=NumberedCanvas)
 
 
-class PeriodeFormationPdf(EpcBaseDocTemplate):
+class PeriodSemesterPdf(EpcBaseDocTemplate):
-    """Imprime les heures de cours par semestre"""
+    """
+    PDF for periods during semesters
+    """
+
     def __init__(self, filename):
-        super().__init__(filename, ['Filière EDS', 'Périodes de formation'], A4)
+        super().__init__(filename, 'Périodes de formation', A4)
         self.setSixSemestreTemplatePage()
 
     def produce(self, context):
@@ -261,9 +278,8 @@ class PeriodeFormationPdf(EpcBaseDocTemplate):
             for line in modules:
                 value = getattr(line, 'sem{0}'.format(sem))
                 data.append([line.nom, '{0} h.'.format(value)])
-            t = Table(data, colWidths=[6.5*cm, 1*cm], spaceBefore=0.5*cm, spaceAfter=1*cm, hAlign=TA_LEFT)
+            t = Table(data, colWidths=[6.5 * cm, 1 * cm], spaceBefore=0.5 * cm, spaceAfter=1 * cm, hAlign=TA_LEFT,
-            t.setStyle(TableStyle(
+                      style=[
-                    [
                           ('ALIGN', (0, 0), (0, 0), 'LEFT'),
                           ('ALIGN', (1, 0), (-1, -1), 'RIGHT'),
                           ('LINEBELOW', (0, 0), (1, 0), 1, colors.black),
@@ -271,9 +287,8 @@ class PeriodeFormationPdf(EpcBaseDocTemplate):
                           ('FONT', (0, 0), (-1, 0), 'Helvetica-Bold'),
                       ]
                       )
-            )
-
             self.story.append(t)
             self.story.append(FrameBreak())
+
         self.story.append(Paragraph('Total de la formation: {0} heures'.format(context['tot']), style_bold))
-        self.build(self.story)
+        self.build(self.story, canvasmaker=NumberedCanvas)

cms/views.py

@@ -9,9 +9,8 @@ import tempfile
 from django.views.generic import ListView, TemplateView, DetailView
 from django.db.models import F, Sum
 from django.http import HttpResponse
-from reportlab.pdfgen import canvas
 
-from cms.pdf import PeriodeFormationPdf, ModulePdf, PlanFormationPdf
+from cms.pdf import PeriodSemesterPdf, ModuleDescriptionPdf, FormationPlanPdf
 from cms.models import (Domaine, Processus, Module, Competence, Document, UploadDoc,)
 
 
@@ -85,8 +84,7 @@ class DocumentDetailView(DetailView):
     
 class UploadDetailView(DetailView):
     """
-    Affiche les documents uploadés à la suite des doc.
+    Display first recorded documents and next uploaded documents
-    DocumentsInline
     """
     template_name = 'cms/upload_detail.html'
     model = UploadDoc
@@ -100,7 +98,7 @@ class UploadDetailView(DetailView):
 def print_module_pdf(request, pk):
     filename = 'module.pdf'
     path = os.path.join(tempfile.gettempdir(), filename)
-    pdf = ModulePdf(path)
+    pdf = ModuleDescriptionPdf(path)
     module = Module.objects.get(pk=pk)
     pdf.produce(module)
     with open(path, mode='rb') as fh:
@@ -112,7 +110,7 @@ def print_module_pdf(request, pk):
 def print_plan_formation(request):
     filename = 'plan_formation.pdf'
     path = os.path.join(tempfile.gettempdir(), filename)
-    pdf = PlanFormationPdf(path)
+    pdf = FormationPlanPdf(path)
     domain = Domaine.objects.all().order_by('code')
     process = Processus.objects.all().order_by('code')
     pdf.produce(domain, process)
@@ -128,15 +126,8 @@ def print_periode_formation(request):
     path = os.path.join(tempfile.gettempdir(), filename)
     context = {}
     context = get_context(context)
-    pdf = PeriodeFormationPdf(path)
+    pdf = PeriodSemesterPdf(path)
     pdf.produce(context)
-    """
-    for semestre_id in range(1, 7):
-        modules = context['sem{0}'.format(str(semestre_id))]
-        total = context['tot{0}'.format(str(semestre_id))]
-        pdf.produce_half_year(semestre_id, modules, total)
-    """
-    #pdf.print_total(context['tot'])
 
     with open(path, mode='rb') as fh:
         response = HttpResponse(fh.read(), content_type='application/pdf')
@@ -146,7 +137,7 @@ def print_periode_formation(request):
 
 def get_context(context):
     """
-    Calcul du nombre de périodes de formation
+    Retrive periods 
     """
     liste = Module.objects.exclude(periode_presentiel=0)
     # context['tot'] = liste.aggregate(Sum(F('periode_presentiel')))