Add minimal support for templates

brotherlabel/pt_commands.py

@@ -110,3 +110,32 @@ def print_command() -> bytes:
     @staticmethod
     def print_command_with_feeding() -> bytes:
         return b'\x1A'
+
+    @staticmethod
+    def choose_template(template=1) -> bytes:
+        assert template < 100
+        id = str(int(0))
+        id += str(int(int(template)/10))
+        id += str(int(int(template)%10))
+        return b'\x5E\x54\x53' + bytes(id, 'UTF-8')
+
+    @staticmethod
+    def select_object(name) -> bytes:
+        return b'\x5E\x4F\x4E' + bytes(name, 'UTF-8') + b'\x00'
+
+    @staticmethod
+    def directly_insert_object(text_string) -> bytes:
+        data = bytes(text_string, 'UTF-8')
+        return b'\x5E\x44\x49' + struct.pack('<H', len(data)) + data
+
+    @staticmethod
+    def template_print() -> bytes:
+        return b'\x5E\x46\x46'
+
+    @staticmethod
+    def initialize_dynamic_settings() -> bytes:
+        return b'\x5E\x49\x49'
+
+    @staticmethod
+    def initialize_template_data() -> bytes:
+        return b'\x5E\x49\x44'

brotherlabel/pt_printer.py

@@ -167,3 +167,18 @@ def print(self, images: [Image]) -> Status:
             raise TimeoutError("Status did not received")
 
         return status
+
+class PTTemplatePrinter(object):
+    def __init__(self, backend: Backend):
+        self.backend = backend
+
+    def print(self, id, custom_fields):
+        data = Commands.initialize_dynamic_settings()
+        data += Commands.initialize_template_data()
+        data += Commands.choose_template(id)
+        assert type(custom_fields) is dict
+        for key in custom_fields.keys():
+            data += Commands.select_object(key)
+            data += Commands.directly_insert_object(custom_fields[key])
+        data += Commands.template_print()
+        self.backend.write(data)

example_template_usb.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+# Prequisities
+# 1.  Set up the printer.
+# Using the P-touch Template Settings tool, specify the initial
+# printer settings according to the host system environment
+# or the host that the printer is connected to
+#
+# 2. Design the template.
+# Using P-touch Editor, design the template to be transferred
+# to the printer.
+#
+# 3. Transfer the templates.
+# Using P-touch Transfer Manager, transfer the templates to
+# the printer.
+
+import brotherlabel
+
+backend = brotherlabel.USBBackend("usb://04f9:2085")
+printer = brotherlabel.PTTemplatePrinter(backend)
+
+# NOTE: Modify template id and custom fields to correspond the template you have designed
+printer.print(1, {'Object1': 'text1', 'Object2': 'text2'})

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup
 
 setup(
-    name='py-brotherlabel',
+    name='py-brotherlabel-casambi',
     version='0.1.0',
     description='Raster print package for Brother label printers',
     author='Masato Mizuta',