rattail-project/rattail Changeset

Changeset - e88fc272862c

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Lance Edgar (lance) - 12 years ago 2012-08-20 11:28:43
lance@edbob.org

add (basic) "one-up" label printing support

1 file changed with 27 insertions and 8 deletions:

rattail/labels.py

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rattail/labels.py

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@@ @@ -112,19 +112,19 @@ class CommandFilePrinter(LabelPrinter): @@
                                edbob.local_time().strftime('%Y-%m-%d_%H-%M-%S'))
         labels_path = os.path.join(output_dir, fn)
         labels_file = open(labels_path, 'w')
         header = self.batch_header_commands()
         if header:
-            print >> labels_file, '\n'.join(header)
+            labels_file.write('%s\n' % '\n'.join(header))
-        print >> labels_file, self.formatter.format_labels(labels)
+        labels_file.write(self.formatter.format_labels(labels))
         footer = self.batch_footer_commands()
         if footer:
-            print >> labels_file, '\n'.join(footer)
+            labels_file.write('%s\n' % '\n'.join(footer))
         labels_file.close()
         return labels_path
 class LabelFormatter(edbob.Object):
@@ @@ -146,12 +146,29 @@ class LabelFormatter(edbob.Object): @@
 class CommandFormatter(LabelFormatter):
     """
     Generic subclass of :class:`LabelFormatter` which generates native printer
     (textual) commands.
     """
     def format_labels(self, labels):
         fmt = StringIO()
         for product, quantity in labels:
             for i in range(quantity):
                 header = self.label_header_commands()
                 if header:
                     fmt.write('%s\n' % '\n'.join(header))
                 fmt.write('%s\n' % '\n'.join(self.label_body_commands(product)))
                 footer = self.label_footer_commands()
                 if footer:
                     fmt.write('%s\n' % '\n'.join(footer))
         val = fmt.getvalue()
         fmt.close()
         return val
     def label_header_commands(self):
         """
         This method, if implemented, must return a sequence of string commands
         to be interpreted by the printer.  These commands will immediately
         precede each *label* in one-up printing, and immediately precede each
         *label pair* in two-up printing.
@@ @@ -196,28 +213,30 @@ class TwoUpCommandFormatter(CommandFormatter): @@
         fmt = StringIO()
         half_started = False
         for product, quantity in labels:
             for i in range(quantity):
                 if half_started:
                     print >> fmt, '\n'.join(self.label_body_commands(product, x=self.half_offset))
                     fmt.write('%s\n' % '\n'.join(
                             self.label_body_commands(product, x=self.half_offset)))
                     footer = self.label_footer_commands()
                     if footer:
-                        print >> fmt, '\n'.join(footer)
+                        fmt.write('%s\n' % '\n'.join(footer))
                     half_started = False
                 else:
                     header = self.label_header_commands()
                     if header:
                         print >> fmt, '\n'.join(header)
                     print >> fmt, '\n'.join(self.label_body_commands(product, x=0))
                         fmt.write('%s\n' % '\n'.join(header))
                     fmt.write('%s\n' % '\n'.join(
                             self.label_body_commands(product, x=0)))
                     half_started = True
         if half_started:
             footer = self.label_footer_commands()
             if footer:
-                print >> fmt, '\n'.join(footer)
+                fmt.write('%s\n' % '\n'.join(footer))
         val = fmt.getvalue()
         fmt.close()
         return val

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