Printing done

label_printing/api.py

@@ -0,0 +1,73 @@
+from __future__ import unicode_literals
+
+import frappe, os
+import json
+from frappe import _
+
+
+from frappe.utils.pdf import get_pdf,cleanup
+from frappe.core.doctype.access_log.access_log import make_access_log
+from PyPDF2 import PdfFileWriter
+
+
+@frappe.whitelist()
+def print_label(values):
+    values = json.loads(values)
+    printer_setting = frappe.db.get_single_value('Label Printer Settings', 'label_printer'),
+
+
+    for label in values["labels"]:
+        doc = frappe.new_doc('Label')
+        doc.item_code = values["item_code"]
+        doc.item_name = values["item_name"]
+        doc.delivery_date = values["delivery_date"]
+        doc.customer = values["customer"]
+        doc.batch = values["batch"]
+        doc.qty = label["item_qty"]
+        newdoc = doc.insert()
+
+        print_label_by_server("Label", newdoc.name, label["label_qty"], printer_setting[0],"Label", doc=None, no_letterhead=0, file_path=None)
+
+    return 200
+    
+
+def print_label_by_server(doctype, name, qty, printer_setting, print_format=None, doc=None, no_letterhead=0, file_path=None):
+    pdf_options = {
+        'page-height': frappe.db.get_single_value('Label Printer Settings', 'label_height'),
+        'page-width': frappe.db.get_single_value('Label Printer Settings', 'label_width'),
+    }
+    print_settings = frappe.get_doc("Network Printer Settings", printer_setting)
+    try:
+        import cups
+    except ImportError:
+        frappe.throw(_("You need to install pycups to use this feature!"))
+
+    try:
+        cups.setServer(print_settings.server_ip)
+        cups.setPort(print_settings.port)
+        conn = cups.Connection()
+        output = PdfFileWriter()
+        output = frappe.get_print(doctype, name, print_format, doc=doc, no_letterhead=no_letterhead, as_pdf = True, output = output, pdf_options=pdf_options)
+        print("Here")
+        print(output)
+        if not file_path:
+            file_path = os.path.join("/", "tmp", "frappe-pdf-{0}.pdf".format(frappe.generate_hash()))
+        output.write(open(file_path,"wb"))
+        for _ in range(qty):
+            conn.printFile(print_settings.printer_name,file_path , name, {})
+    except IOError as e:
+        if ("ContentNotFoundError" in e.message
+            or "ContentOperationNotPermittedError" in e.message
+            or "UnknownContentError" in e.message
+            or "RemoteHostClosedError" in e.message):
+            frappe.throw(_("PDF generation failed"))
+    except cups.IPPError:
+        frappe.throw(_("Printing failed"))
+    finally:
+        return
+
+
+@frappe.whitelist()
+def get_associated_stockentry(workorder):
+    return frappe.get_last_doc('Stock Entry', filters = {"work_order": "PRO-01530"})
+