Changeset 17650 for main/waeup.kofa/trunk/src

Timestamp:

24 Nov 2023, 11:20:06 (12 months ago)

Author:

Henrik Bettermann

Message:

Implement a QR Code view.

Location:

main/waeup.kofa/trunk/src/waeup/kofa/students

Files:

• browser.py (modified) (2 diffs)
• tests/test_browser.py (modified) (1 diff)

main/waeup.kofa/trunk/src/waeup/kofa/students/browser.py

@@ -24 +24 @@
 import os
 import textwrap
+import segno
 from cStringIO import StringIO
 from datetime import datetime
@@ -632 +633 @@
             self.context.student, omit_fields=self.omit_fields,
             letterhead_path=letterhead_path, post_text=None)
+
+class QRCodeView(UtilityView, grok.View):
+    """View which renders a QRCode only.
+    """
+    grok.context(IStudent)
+    grok.name('qrcode_admission_letter.png')
+    grok.require('waeup.viewStudent')
+    scale = 3
+    uri = 'admission_slip.pdf'
+
+    def render(self):
+        qrcode = segno.make(self.url(self.context, self.uri))
+        self.response.setHeader('Content-Type', 'image/png')
+        return qrcode.png_data_uri(
+            scale=self.scale).split(',')[1].decode('base64')
 
 class StudentBaseManageFormPage(KofaEditFormPage):

main/waeup.kofa/trunk/src/waeup/kofa/students/tests/test_browser.py

@@ -3035 +3035 @@
                            self.browser.contents)
 
+    def test_student_qrcodeview(self):
+        IWorkflowInfo(self.student).fireTransition('admit')
+        self.browser.open(self.login_path)
+        self.browser.getControl(name="form.login").value = self.student_id
+        self.browser.getControl(name="form.password").value = 'spwd'
+        self.browser.getControl("Login").click()
+        self.browser.open(self.student_path + '/qrcode_admission_letter.png')
+        self.assertEqual(self.browser.headers['Status'], '200 Ok')
+        self.assertEqual(self.browser.headers['Content-Type'], 'image/png')
+        path = os.path.join(samples_dir(), 'qrcode_admission_letter.png')
+        open(path, 'wb').write(self.browser.contents)
+        print "Sample png file written to %s" % path
+
     def test_student_course_registration(self):
         # Student cant login if their password is not set