Refactor rattail.hw.cognitive -> rattail_cognitive.

rattail_cognitive/__init__.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+# -*- coding: utf-8  -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2012 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU Affero General Public License as published by the Free
+#  Software Foundation, either version 3 of the License, or (at your option)
+#  any later version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+
+"""
+Cognitive Hardware Interfaces
+"""
+
+from rattail_cognitive._version import __version__

rattail_cognitive/_version.py

@@ -0,0 +1 @@
+__version__ = '0.3a3'

rattail_cognitive/labels.py

@@ -0,0 +1,86 @@
+#!/usr/bin/env python
+# -*- coding: utf-8  -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2012 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU Affero General Public License as published by the Free
+#  Software Foundation, either version 3 of the License, or (at your option)
+#  any later version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+
+"""
+Label Printing
+"""
+
+from cStringIO import StringIO
+
+import edbob
+
+from rattail import labels
+
+
+class BlasterFilePrinter(labels.CommandFilePrinter):
+    """
+    Label printer class for Cognitive Blaster devices, which generates an
+    output file containing native printer commands.
+    """
+
+    def batch_header_commands(self):
+        return ['C' * 80] # wakeup
+
+
+class BlasterFormatter(labels.CommandFormatter):
+    """
+    Default label formatter class for Cognitive Blaster devices.
+    """
+
+    def label_header_commands(self):
+        return [
+            '! 0 30 120 1',
+            'WIDTH 233',
+            ]
+
+    def label_footer_commands(self):
+        noindex = edbob.config.getboolean(
+            'rattail.hw.cognitive', 'blaster.hack_noindex', default=False)
+        if noindex:
+            return [
+                'NOINDEX',
+                'END',
+                '! 0 100 8 1',
+                'END',
+                ]
+        return [
+            'INDEX',
+            'END',
+            ]
+
+
+class BlasterTwoUpFormatter(labels.TwoUpCommandFormatter, BlasterFormatter):
+    """
+    Default implementation of "two-up" formatter for Blaster label printing.
+    """
+
+    half_offset = 120
+
+    def label_body_commands(self, product, x=0):
+        description = '%s %s' % (product.description, product.size)
+        return [
+            'STRING 5X7(1,1,1,1) %u 5 %s' % (x + 5, description[:17]),
+            'STRING 5X7(1,1,1,1) %u 15 %s' % (x + 5, description[17:]),
+            'BARCODE UPCA+ %u 75 25 %011u' % (x + 9, product.upc),
+            ]