Merge branch 'master' into belono/issue245

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,10 +1,5 @@
-### Contributor checklist
-<!-- mark with x between the brackets -->
-- [ ] I have read the CONTRIBUTING.rst
-- [ ] I have tested my contribution on these devices:
- * e.g. Epson TM-T88II
-- [ ] My contribution is ready to be merged as is
-
-----------
-
 ### Description
+
+
+### Tested with
+_If applicable, please describe with which device you have tested._

.github/workflows/codeql-analysis.yml

@@ -36,11 +36,6 @@ jobs:
         # a pull request then we can checkout the head.
         fetch-depth: 2
 
-    # If this run was triggered by a pull request event, then checkout
-    # the head of the pull request instead of the merge commit.
-    - run: git checkout HEAD^2
-      if: ${{ github.event_name == 'pull_request' }}
-
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2

.github/workflows/pythonpackage.yml

@@ -22,7 +22,7 @@ jobs:
       with:
         submodules: 'recursive'
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4.5.0
+      uses: actions/setup-python@v4.6.1
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

.mailmap

@@ -13,6 +13,7 @@ csoft2k <csoft2k@hotmail.com>
 Sergio Pulgarin <sergio.pulgarin@gmail.com>
 reck31 <rakesh.gunduka@gmail.com>
 Alex Debiasio <alex.debiasio@thinkin.io>             <alex.debiasio@studenti.unitn.it>
+白月秋见心 <ourweijiang@gmail.com>
 Maximilian Wagenbach <maximilian.wagenbach@native-instruments.de>
 <belono@users.noreply.github.com>                    <tiotil.lindeman@gmail.com>
 belono <belono@users.noreply.github.com>             Benito López <belono@users.noreply.github.com>

.readthedocs.yml

@@ -0,0 +1,27 @@
+version: 2
+formats:
+  - pdf
+  - epub
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+  apt_packages:
+    - graphviz
+    - libenchant-2-2
+    - gcc
+    - libcups2-dev
+    - python3-dev
+sphinx:
+  configuration: doc/conf.py
+submodules:
+  include:
+    - capabilities-data
+  recursive: true
+
+python:
+  install:
+    - requirements: doc/requirements.txt
+    - method: pip
+      path: .
+  system_packages: true

AUTHORS

@@ -1,9 +1,11 @@
 Ahmed Tahri
 akeonly
+Alejandro Hernández
 Alexander Bougakov
 Alex Debiasio
 Asuki Kono
 belono
+B. Howell
 Brian
 Christoph Heuel
 Cody (Quantified Code Bot)
@@ -11,6 +13,7 @@ csoft2k
 Curtis // mashedkeyboard
 Davis Goglin
 Dean Rispin
+dependabot[bot]
 Dmytro Katyukha
 Gerard Marull-Paretas
 Hark
@@ -21,6 +24,7 @@ Kristi
 ldos
 Lucy Linder
 Manuel F Martinez
+Mathieu Poussin
 Maximilian Wagenbach
 Michael Billington
 Michael Elsdörfer
@@ -41,3 +45,4 @@ Thijs Triemstra
 Thomas van den Berg
 Yaisel Hurtado
 ysuolmai
+白月秋见心

CHANGELOG.rst

@@ -1,6 +1,28 @@
 *********
 Changelog
 *********
+2023-05-11 - Version 3.0a9 - "Pride Comes Before A Fall"
+--------------------------------------------------------
+This release is the 10th alpha release of the new version 3.0.
+After three years hiatus, a new release is in work in order to
+finally get a version 3.0 out.
+
+changes
+^^^^^^^
+- Include support for CUPS based printer interfaces
+- Move the build toolchain to GitHub
+
+contributors
+^^^^^^^^^^^^
+- belono
+- brendanhowell
+- AlexandroJaez
+- NullYing
+- kedare
+- Foaly
+- patkan
+- and others
+
 2020-05-12 - Version 3.0a8 - "Only Slightly Bent"
 -------------------------------------------------
 This release is the ninth alpha release of the new version 3.0.

CONTRIBUTING.rst

@@ -17,23 +17,20 @@ Author-list
 
 This project keeps a list of authors. This can be auto-generated by calling `./doc/generate-authors.sh`.
 When contributing the first time, please include a commit with the output of this script in place.
-Otherwise the integration-check will fail.
 
 When you change your username or mail-address, please also update the `.mailmap` and the authors-list.
-You can find a good documentation on the mapping-feature in the `documentation of git-shortlog <https://git-scm.com/docs/git-shortlog#_mapping_authors>`_.
+You can find a good documentation on the mapping-feature in the
+`documentation of git-shortlog <https://git-scm.com/docs/git-shortlog#_mapping_authors>`_.
 
 Style-Guide
 -----------
 
 When writing code please try to stick to these rules.
 
-PEP8
-^^^^
-The entire codebase adheres to the rules of PEP8.
-These rules are enforced by running `flake8` in the integration-checks.
-Please adhere to these rules as your contribution can only be merged if the check succeeds.
-You can use flake8 or similar tools locally in order to check your code.
-Apart from that the travis-log and the check by Landscape will provide you with hints.
+Black Code Style
+^^^^^^^^^^^^^^^^
+This project is formatted with the auto formatter `black <https://github.com/psf/black>`_.
+Please format your contributions with black, otherwise they will be rejected.
 
 GIT
 ^^^

README.rst

@@ -2,14 +2,6 @@
 python-escpos - Python library to manipulate ESC/POS Printers
 #############################################################
 
-.. image:: https://travis-ci.org/python-escpos/python-escpos.svg?branch=master
-    :target: https://travis-ci.org/python-escpos/python-escpos
-    :alt: Continous Integration
-
-.. image:: https://codecov.io/github/python-escpos/python-escpos/coverage.svg?branch=master
-    :target: https://codecov.io/github/python-escpos/python-escpos?branch=master
-    :alt: Code Coverage
-
 .. image:: https://readthedocs.org/projects/python-escpos/badge/?version=latest
     :target: https://python-escpos.readthedocs.io/en/latest/?badge=latest
     :alt: Documentation Status
@@ -93,16 +85,20 @@ Another example based on the Serial printer class:
     p.cut()
 
 
-The full project-documentation is available on `Read the Docs <https://python-escpos.readthedocs.io>`_.
+The full project-documentation is available on
+`Read the Docs <https://python-escpos.readthedocs.io>`_.
 
 Contributing
 ------------
 
-This project is open for any contribution! Please see `CONTRIBUTING.rst <https://python-escpos.readthedocs.io/en/latest/dev/contributing.html>`_ for more information.
+This project is open for any contribution! Please see
+`CONTRIBUTING.rst <https://python-escpos.readthedocs.io/en/latest/dev/contributing.html>`_
+for more information.
 
 
 Disclaimer
 ----------
 
-None of the vendors cited in this project agree or endorse any of the patterns or implementations.
+None of the vendors cited in this project agree or endorse any of the
+patterns or implementations.
 Its names are used only to maintain context.

capabilities-data

@@ -1 +1 @@
-Subproject commit 3612db407d02a08acd93a1540f2b4823be3f020e
+Subproject commit 1bf6a482bd62c2093b6501db189008961e2509de

doc/conf.py

@@ -122,6 +122,7 @@ pygments_style = "sphinx"
 # a list of builtin themes.
 if on_rtd:
     html_theme = "default"
+    print("recognized execution on RTD")
 else:
     try:
         import sphinx_rtd_theme

doc/requirements.txt

@@ -2,9 +2,10 @@ pyusb
 Pillow>=2.0
 qrcode>=4.0
 pyserial
-sphinx-rtd-theme
+sphinx-rtd-theme==1.2.1
 setuptools
 setuptools-scm
 docutils>=0.12
 sphinxcontrib-spelling>=7.2.0
 python-barcode>=0.11.0,<1
+importlib-metadata

examples/docker-flask/Dockerfile

@@ -0,0 +1,28 @@
+# Use the official Python image as the base image
+FROM python:3.9-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the requirements file
+COPY requirements.txt .
+
+#Install the libcups library
+RUN apt-get update -y && apt-get install libcups2-dev -y
+# Install the Python packages
+RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install python-escpos --pre
+
+# Install Git
+RUN apt-get update && \
+    apt-get install -y git && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy the Flask app
+COPY app.py .
+
+# Expose the port the Flask app will run on
+EXPOSE 8080
+
+# Run the Flask app
+CMD ["python", "app.py"]

examples/docker-flask/README.md

@@ -0,0 +1,6 @@
+Simple example on how to use it inside a web service
+
+```
+docker build . -t escpos-web
+docker run --network=host -p 9999:9999 escpos
+```

examples/docker-flask/app.py

@@ -0,0 +1,22 @@
+import escpos
+from escpos.printer import *
+from flask import Flask, jsonify, request, redirect, session, url_for
+import sys
+from io import BytesIO
+
+# Initialize Flask app
+app = Flask(__name__)
+
+
+@app.route("/", methods=["GET"])
+def do_print():
+    # p = Usb(0x04b8, 0x0e28, 0)
+    p = CupsPrinter(host="localhost", port=631, printer_name="TM-T20III")
+    p.text("Hello World\n")
+    p.cut()
+    p.close()
+    return "OK"
+
+
+if __name__ == "__main__":
+    app.run(debug=False, host="0.0.0.0", port=9999)

examples/docker-flask/requirements.txt

@@ -0,0 +1,21 @@
+appdirs==1.4.4
+argcomplete==3.0.8
+blinker==1.6.2
+click==8.1.3
+Flask==2.3.2
+future==0.18.3
+itsdangerous==2.1.2
+Jinja2==3.1.2
+MarkupSafe==2.1.2
+Pillow==9.5.0
+pycups==2.0.1
+pypng==0.20220715.0
+pyserial==3.5
+python-barcode==0.14.0
+python-escpos==3.0a9
+pyusb==1.2.1
+PyYAML==6.0
+qrcode==7.4.2
+six==1.16.0
+typing_extensions==4.5.0
+Werkzeug==2.3.4

readthedocs.yml

@@ -1,7 +0,0 @@
-formats:
-  - pdf
-  - epub
-requirements_file: doc/requirements.txt
-python:
-  version: 3
-  setup_py_install: true

src/escpos/constants.py

@@ -77,6 +77,16 @@ LINE_DISPLAY_CLOSE = ESC + b"\x3d\x01"
 SHEET_SLIP_MODE = ESC + b"\x63\x30\x04"  # slip paper
 SHEET_ROLL_MODE = ESC + b"\x63\x30\x01"  # paper roll
 
+# Slip specific codes
+SLIP_EJECT = ESC + b"\x4b\xc0"  # Eject the slip or cheque
+SLIP_SELECT = FS  # Select the slip station as default station
+SLIP_SET_WAIT_TIME = (
+    ESC + b"\x1b\x66"
+)  # Set timeout waiting for a slip/cheque to be inserted
+SLIP_PRINT_AND_EJECT = (
+    b"\x0c"  # Print the buffer and eject (after waiting for the paper to be inserted)
+)
+
 # Text format
 # TODO: Acquire the "ESC/POS Application Programming Guide for Paper Roll
 #       Printers" and tidy up this stuff too.

src/escpos/escpos.py

@@ -30,6 +30,11 @@ from .constants import (
     QR_ECLEVEL_M,
     QR_ECLEVEL_H,
     QR_ECLEVEL_Q,
+    SHEET_ROLL_MODE,
+    SHEET_SLIP_MODE,
+    SLIP_PRINT_AND_EJECT,
+    SLIP_SELECT,
+    SLIP_EJECT,
 )
 from .constants import (
     QR_MODEL_1,
@@ -794,21 +799,19 @@ class Escpos(object):
                 )
             )
 
-        # Render the barcode to a fake file
+        # Render the barcode
         barcode_class = barcode.get_barcode_class(barcode_type)
         my_code = barcode_class(data, writer=image_writer)
 
-        with open(os.devnull, "wb") as nullfile:
-            my_code.write(
-                nullfile,
-                {
-                    "module_height": module_height,
-                    "module_width": module_width,
-                    "quiet_zone": 0,  # horizontal padding
-                    "text_distance": text_distance,
-                    "font_size": font_size,
-                },
-            )
+        my_code.render(
+            writer_options={
+                "module_height": module_height,
+                "module_width": module_width,
+                "quiet_zone": 0,  # horizontal padding
+                "text_distance": text_distance,
+                "font_size": font_size,
+            }
+        )
 
         # Retrieve the Pillow image and print it
         image = my_code.writer._image
@@ -1208,6 +1211,41 @@ class Escpos(object):
         if status[0] & RT_MASK_PAPER == RT_MASK_PAPER:
             return 2
 
+    def target(self, type="ROLL"):
+        """Select where to print to
+
+        Print to the thermal printer by default (ROLL) or
+        print to the slip dot matrix printer if supported (SLIP)
+        """
+        if type.upper() == "ROLL":
+            self._raw(SHEET_ROLL_MODE)
+        elif type.upper() == "SLIP":
+            self._raw(SHEET_SLIP_MODE)
+        else:
+            raise ValueError("Unsupported target")
+
+    def eject_slip(self):
+        """Eject the slip/cheque"""
+        self._raw(SLIP_EJECT)
+
+    def print_and_eject_slip(self):
+        """Print and eject
+
+        Prints data from the buffer to the slip station and if the paper
+        sensor is covered, reverses the slip out the front of the printer
+        far enough to be accessible to the operator.
+        The impact station opens the platen in all cases.
+        """
+        self._raw(SLIP_PRINT_AND_EJECT)
+
+    def use_slip_only(self):
+        """Selects the Slip Station for all functions.
+
+        The receipt station is the default setting after the printer
+        is initialized or the Clear Printer (0x10) command is received
+        """
+        self._raw(SLIP_SELECT)
+
 
 class EscposIO(object):
     """ESC/POS Printer IO object

src/escpos/magicencode.py

@@ -18,6 +18,7 @@ from .constants import CODEPAGE_CHANGE
 from .exceptions import Error
 from .codepages import CodePages
 import six
+import re
 
 
 class Encoder(object):
@@ -252,6 +253,10 @@ class MagicEncode(object):
             self.write_with_encoding(self.encoding, text)
             return
 
+        if re.findall(r"[\u4e00-\u9fa5]", text):
+            self.driver._raw(text.encode("GB18030"))
+            return
+
         # See how far we can go into the text with the current encoding
         to_write, text = split_writable_text(self.encoder, text, self.encoding)
         if to_write: