test openpyxl sur liste appel

app/scodoc/sco_excel.py

@@ -40,7 +40,10 @@ from app.scodoc.scolog import logdb
 from app.scodoc.sco_exceptions import ScoValueError
 from app.scodoc import sco_preferences
 import six
-
+from openpyxl import Workbook
+from openpyxl.styles import Font, PatternFill, Border, Side, Alignment, Protection
+from openpyxl.cell import WriteOnlyCell
+from tempfile import NamedTemporaryFile
 
 # colors, voir exemple format.py
 COLOR_CODES = {
@@ -54,7 +57,7 @@ COLOR_CODES = {
 }
 
 
-def sendExcelFile(REQUEST, data, filename):
+def send_excel_file(REQUEST, data, filename):
     """publication fichier.
     (on ne doit rien avoir émis avant, car ici sont générés les entetes)
     """
@@ -63,7 +66,7 @@ def sendExcelFile(REQUEST, data, filename):
         .replace("&", "")
         .replace(" ", "_")
     )
-    REQUEST.RESPONSE.setHeader("content-type", scu.XLS_MIMETYPE)
+    REQUEST.RESPONSE.setHeader("content-type", scu.XLSX_MIMETYPE)
     REQUEST.RESPONSE.setHeader(
         "content-disposition", 'attachment; filename="%s"' % filename
     )
@@ -220,7 +223,7 @@ class ScoExcelSheet(object):
             sauvegarde = True
         else:
             sauvegarde = False
-        ws0 = wb.add_sheet(self.sheet_name.decode(scu.SCO_ENCODING))
+        ws0 = wb.add_sheet(self.sheet_name)
         li = 0
         for l in self.cells:
             co = 0
@@ -476,145 +479,127 @@ def Excel_to_list(data, convert_to_string=str):  # we may need 'encoding' argume
     #
     return diag, M
 
+# Un style est enregistré comme un dictionnaire qui précise la valeur d'un attributdans la liste suivante:
+# font, border, ..  (cf https://openpyxl.readthedocs.io/en/stable/styles.html#working-with-styles)
 
-#
+
-def Excel_feuille_listeappel(
+def __make_cell(ws, value: any = u"", style=None):
-    context,
+    """Contruit/retourne une cellule en spécifiant contenu et style.
-    sem,
+
-    groupname,
+    ws -- La feuille où sera intégrée la cellule
-    lines,
+    value -- le contenu de la cellule (texte)
-    partitions=[],  # partitions a montrer (colonnes)
+    style -- le style de la cellule
-    with_codes=False,  # indique codes etuds
+    """
-    with_paiement=False,  # indique si etudiant a paye inscription
+    cell = WriteOnlyCell(ws, value)
-    server_name=None,
+    if "font" in style:
-):
+        cell.font = style["font"]
-    "generation feuille appel"
+    if "border" in style:
+        cell.border = style["border"]
+    return cell
+
+
+def excel_feuille_listeappel(sem, groupname, lines, partitions=None, with_codes=False, with_paiement=False,
+                             server_name=None):
+    """generation feuille appel"""
+    if partitions is None:
+        partitions = []
     formsemestre_id = sem["formsemestre_id"]
-    SheetName = "Liste " + groupname
+    sheet_name = "Liste " + groupname
-    wb = Workbook()
+    wb = Workbook(write_only=True)
-    ws0 = wb.add_sheet(SheetName.decode(scu.SCO_ENCODING))
+    ws = wb.create_sheet(title=sheet_name)
+    ws.column_dimensions["A"].width = 3
+    ws.column_dimensions["B"].width = 35
+    ws.column_dimensions["C"].width = 12
 
-    font1 = Font()
+    font1 = Font(name="Arial", size=11)
-    font1.name = "Arial"
+    font1i = Font(name="Arial", size=10, italic=True)
-    font1.height = 10 * 0x14
+    font1b = Font(name="Arial", size=11, bold=True)
 
-    font1i = Font()
+    side_thin = Side(border_style="thin", color="FF000000")
-    font1i.name = "Arial"
-    font1i.height = 10 * 0x14
-    font1i.italic = True
 
-    style1i = XFStyle()
+    border_tbl = Border(top=side_thin, bottom=side_thin, left=side_thin)
-    style1i.font = font1i
+    border_tblr = Border(
+        top=side_thin, bottom=side_thin, left=side_thin, right=side_thin
+    )
 
-    style1b = XFStyle()
+    style1i = {
-    style1b.font = font1
+        "font": font1i,
-    borders = Borders()
+    }
-    borders.left = 1
-    borders.top = 1
-    borders.bottom = 1
-    style1b.borders = borders
 
-    style2 = XFStyle()
+    style1b = {
-    font2 = Font()
+        "font": font1,
-    font2.name = "Arial"
+        "border": border_tbl,
-    font2.height = 14 * 0x14
+    }
-    style2.font = font2
 
-    style2b = XFStyle()
+    style2 = {
-    style2b.font = font1i
+        "font": Font(name="Arial", size=14),
-    borders = Borders()
+    }
-    borders.left = 1
-    borders.top = 1
-    borders.bottom = 1
-    borders.right = 1
-    style2b.borders = borders
 
-    style2tb = XFStyle()
+    style2b = {
-    borders = Borders()
+        "font": font1i,
-    borders.top = 1
+        "border": border_tblr,
-    borders.bottom = 1
+    }
-    style2tb.borders = borders
-    style2tb.font = Font()
-    style2tb.font.height = 16 * 0x14  # -> ligne hautes
 
-    style2t3 = XFStyle()
+    style2t3 = {
-    borders = Borders()
+        "border": border_tblr,
-    borders.top = 1
+    }
-    borders.bottom = 1
-    borders.left = 1
-    style2t3.borders = borders
 
-    style2t3bold = XFStyle()
+    style2t3bold = {
-    borders = Borders()
+        "font": font1b,
-    borders.top = 1
+        "border": border_tblr,
-    borders.bottom = 1
+    }
-    borders.left = 1
-    style2t3bold.borders = borders
-    fontb = Font()
-    fontb.bold = True
-    style2t3bold.font = fontb
 
-    style3 = XFStyle()
+    style3 = {
-    font3 = Font()
+        "font": Font(name="Arial", bold=True, size=14),
-    font3.name = "Arial"
+    }
-    font3.bold = True
-    font3.height = 14 * 0x14
-    style3.font = font3
 
-    NbWeeks = 4  # nombre de colonnes pour remplir absences
+    nb_weeks = 4  # nombre de colonnes pour remplir absences
 
     # ligne 1
-    li = 0
+    title = "%s %s (%s - %s)" % (
-    ws0.write(
+        sco_preferences.get_preference("DeptName", formsemestre_id),
-        li,
+        notesdb.unquote(sem["titre_num"]),
-        1,
+        sem["date_debut"],
-        (
+        sem["date_fin"],
-            "%s %s (%s - %s)"
-            % (
-                sco_preferences.get_preference("DeptName", formsemestre_id),
-                notesdb.unquote(sem["titre_num"]),
-                sem["date_debut"],
-                sem["date_fin"],
-            )
-        ).decode(scu.SCO_ENCODING),
-        style2,
     )
-    # ligne 2
-    li += 1
-    ws0.write(li, 1, u"Discipline :", style2)
-    # ligne 3
-    li += 1
-    ws0.write(li, 1, u"Enseignant :", style2)
-    ws0.write(li, 5, ("Groupe %s" % groupname).decode(scu.SCO_ENCODING), style3)
-    # Avertissement pour ne pas confondre avec listes notes
-    ws0.write(
-        li + 1, 2, u"Ne pas utiliser cette feuille pour saisir les notes !", style1i
-    )
-    #
-    li += 2
-    li += 1
-    ws0.write(li, 1, u"Nom", style3)
-    co = 2
-    for partition in partitions:
-        if partition["partition_name"]:
-            ws0.write(
-                li, co, partition["partition_name"].decode(scu.SCO_ENCODING), style3
-            )
-            co += 1
-    if with_codes:
-        coc = co
-        ws0.write(li, coc, u"etudid", style3)
-        ws0.write(li, coc + 1, u"code_nip", style3)
-        ws0.write(li, coc + 2, u"code_ine", style3)
-        co += 3
 
-    for i in range(NbWeeks):
+    cell_2 = __make_cell(ws, title, style2)
-        ws0.write(li, co + i, "", style2b)
+    ws.append([None, cell_2])
+
+    # ligne 2
+    cell_2 = __make_cell(ws, u"Discipline :", style2)
+    ws.append([None, cell_2])
+
+    # ligne 3
+    cell_2 = __make_cell(ws, u"Enseignant :", style2)
+    cell_6 = __make_cell(ws, ("Groupe %s" % groupname), style3)
+    ws.append([None, cell_2, None, None, None, None, cell_6])
+
+    # ligne 4: Avertissement pour ne pas confondre avec listes notes
+    cell_2 = __make_cell(ws, u"Ne pas utiliser cette feuille pour saisir les notes !", style1i)
+    ws.append([None, None, cell_2])
+
+    ws.append([None])
+    ws.append([None])
+
+    # ligne 7: Entête (contruction dans une liste cells)
+    cells = [None]  # passe la première colonne
+    cell_2 = __make_cell(ws, u"Nom", style3)
+    cells.append(cell_2)
+    for partition in partitions:
+        cells.append(__make_cell(ws, partition["partition_name"], style3))
+    if with_codes:
+        cells.append(__make_cell(ws, u"etudid", style3))
+        cells.append(__make_cell(ws, u"code_nip", style3))
+        cells.append(__make_cell(ws, u"code_ine", style3))
+    for i in range(nb_weeks):
+        cells.append(__make_cell(ws, "", style2b))
+    ws.append(cells)
+
     n = 0
+    # pour chaque étudiant
     for t in lines:
         n += 1
-        li += 1
-        ws0.write(li, 0, n, style1b)
         nomprenom = (
             t["civilite_str"]
             + " "
@@ -631,45 +616,39 @@ def Excel_feuille_listeappel(
             elif not paie:
                 nomprenom += " (non paiement)"
                 style_nom = style2t3bold
-        ws0.write(li, 1, nomprenom.decode(scu.SCO_ENCODING), style_nom)
+        cell_1 = __make_cell(ws, n, style1b)
-        co = 2
+        cell_2 = __make_cell(ws, nomprenom, style_nom)
+        cells = [cell_1, cell_2]
+
         for partition in partitions:
             if partition["partition_name"]:
-                ws0.write(
+                cells.append(
-                    li,
+                    __make_cell(ws, t.get(partition["partition_id"], u""), style2t3)
-                    co,
-                    t.get(partition["partition_id"], "").decode(scu.SCO_ENCODING),
-                    style2t3,
                 )
-                co += 1
         if with_codes:
-            ws0.write(li, coc, t["etudid"].decode(scu.SCO_ENCODING), style2t3)
+            cells.append(__make_cell(ws, t["etudid"], style2t3))
-            if t["code_nip"]:
+            code_nip = t.get("code_nip", u"")
-                code_nip = t["code_nip"].decode(scu.SCO_ENCODING)
+            cells.append(__make_cell(ws, code_nip, style2t3))
-            else:
+            code_ine = t.get("code_ine", u"")
-                code_nip = u""
+            cells.append(__make_cell(ws, code_ine, style2t3))
-            ws0.write(li, coc + 1, code_nip, style2t3)
+        cells.append(__make_cell(ws, t.get("etath", ""), style2b))
-            if t["code_ine"]:
+        for i in range(1, nb_weeks):
-                code_ine = t["code_ine"].decode(scu.SCO_ENCODING)
+            cells.append(__make_cell(ws, style=style2t3))
-            else:
+            # ws0.row(li).height = 850  # sans effet ?
-                code_ine = u""
+            # (openpyxl: en mode optimisé, les hauteurs de lignes doivent être spécifiées avant toutes les cellules)
-            ws0.write(li, coc + 2, code_ine, style2t3)
+        ws.append(cells)
-        if t["etath"]:
+
-            etath = t["etath"].decode(scu.SCO_ENCODING)
+    ws.append([None])
-        else:
+
-            etath = u""
+    # bas de page (date, serveur)
-        ws0.write(li, co, etath, style2b)  # etat
-        for i in range(1, NbWeeks):
-            ws0.write(li, co + i, u"", style2b)  # cellules vides
-        ws0.row(li).height = 850  # sans effet ?
-    #
-    li += 2
     dt = time.strftime("%d/%m/%Y à %Hh%M")
     if server_name:
         dt += " sur " + server_name
-    ws0.write(li, 1, ("Liste éditée le " + dt).decode(scu.SCO_ENCODING), style1i)
+    cell_2 = __make_cell(ws, ("Liste éditée le " + dt), style1i)
-    #
+    ws.append([None, cell_2])
-    ws0.col(0).width = 850
-    ws0.col(1).width = 9000
 
-    return wb.savetostr()
+    # construction d'un flux (https://openpyxl.readthedocs.io/en/stable/tutorial.html#saving-as-a-stream)
+    with NamedTemporaryFile() as tmp:
+        wb.save(tmp.name)
+        tmp.seek(0)
+        return tmp.read()

app/scodoc/sco_groups_view.py

@@ -724,18 +724,12 @@ def groups_table(
         return tab.make_page(context, format=format, REQUEST=REQUEST)
 
     elif format == "xlsappel":
-        xls = sco_excel.Excel_feuille_listeappel(
+        xls = sco_excel.excel_feuille_listeappel(groups_infos.formsemestre, groups_infos.groups_titles,
-            context,
+                                                 groups_infos.members, partitions=groups_infos.partitions,
-            groups_infos.formsemestre,  # le 1er semestre, serait à modifier si plusieurs
+                                                 with_codes=with_codes, with_paiement=with_paiement,
-            groups_infos.groups_titles,
+                                                 server_name=REQUEST.BASE0)
-            groups_infos.members,
+        filename = "liste_%s" % groups_infos.groups_filename + ".xlsx"
-            partitions=groups_infos.partitions,
+        return sco_excel.send_excel_file(REQUEST, xls, filename)
-            with_codes=with_codes,
-            with_paiement=with_paiement,
-            server_name=REQUEST.BASE0,
-        )
-        filename = "liste_%s" % groups_infos.groups_filename + ".xls"
-        return sco_excel.sendExcelFile(REQUEST, xls, filename)
     elif format == "allxls":
         # feuille Excel avec toutes les infos etudiants
         if not groups_infos.members:
@@ -806,7 +800,7 @@ def groups_table(
         title = "etudiants_%s" % groups_infos.groups_filename
         xls = sco_excel.Excel_SimpleTable(titles=titles, lines=L, SheetName=title)
         filename = title + ".xls"
-        return sco_excel.sendExcelFile(REQUEST, xls, filename)
+        return sco_excel.send_excel_file(REQUEST, xls, filename)
     else:
         raise ValueError("unsupported format")
 

app/scodoc/sco_utils.py

@@ -301,6 +301,7 @@ CSV_FIELDSEP = ";"
 CSV_LINESEP = "\n"
 CSV_MIMETYPE = "text/comma-separated-values"
 XLS_MIMETYPE = "application/vnd.ms-excel"
+XLSX_MIMETYPE = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
 PDF_MIMETYPE = "application/pdf"
 XML_MIMETYPE = "text/xml"
 JSON_MIMETYPE = "application/json"

requirements-3.7.txt

@@ -1,3 +1,4 @@
+openpyxl
 alembic==1.6.5
 attrs==21.2.0
 Babel==2.9.1