Skip to content

Feature/clear content in dummy printer #271

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
patkan merged 4 commits into from
Dec 3, 2017
Merged

Feature/clear content in dummy printer #271

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
e9e4385
Add Function to Dummy Printer for Clearing Buffer
braveheuel Nov 23, 2017
6bca277
Add Test Function for dummy.clear
braveheuel Nov 25, 2017
40399c2
Merge branch 'development' into feature/clear_content_in_dummy_printer
patkan Dec 3, 2017
bd5d49c
Merge branch 'development' into feature/clear_content_in_dummy_printer
patkan Dec 3, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions src/escpos/printer.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -312,5 +312,13 @@ def output(self):
""" Get the data that was sent to this printer """
return b''.join(self._output_list)

def clear(self):
""" Clear the buffer of the printer

This method can be called if you send the contents to a physical printer
and want to use the Dummy printer for new output.
"""
del self._output_list[:]

def close(self):
pass
8 changes: 8 additions & 0 deletions test/test_function_dummy_clear.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
from nose.tools import assert_raises
from escpos.printer import Dummy

def test_printer_dummy_clear():
printer = Dummy()
printer.text("Hello")
printer.clear()
assert(printer.output == b'')