Simplified code by removing support for Python 2, leaving only support for Python 3.
This commit is contained in:
Project Nayuki
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@ -1,5 +1,5 @@
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#
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# QR Code generator batch test (Python 3)
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# QR Code generator batch test (Python)
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#
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# Runs various versions of the QR Code generator test worker as subprocesses,
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# feeds each one the same random input, and compares their output for equality.
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@ -25,13 +25,10 @@
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#
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import itertools, random, subprocess, sys, time
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if sys.version_info.major < 3:
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raise RuntimeError("Requires Python 3+")
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CHILD_PROGRAMS = [
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["python2", "-B", "../python/qrcodegen-worker.py"], # Python 2 program
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["python3", "-B", "../python/qrcodegen-worker.py"], # Python 3 program
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["python3", "-B", "../python/qrcodegen-worker.py"], # Python program
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["java", "-cp", "../java/src/main/java", "-ea:io.nayuki.qrcodegen...", "io/nayuki/qrcodegen/QrCodeGeneratorWorker"], # Java program
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["node", "../typescript-javascript/qrcodegen-worker.js"], # TypeScript program
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["../c/qrcodegen-worker"], # C program
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@ -1,5 +1,5 @@
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#
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# QR Code generator demo (Python 2, 3)
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# QR Code generator demo (Python)
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#
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# Run this command-line program with no arguments. The program computes a bunch of demonstration
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# QR Codes and prints them to the console. Also, the SVG code for one QR Code is printed as a sample.
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@ -24,7 +24,6 @@
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# Software.
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#
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from __future__ import print_function
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from qrcodegen import QrCode, QrSegment
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@ -41,7 +40,7 @@ def main():
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def do_basic_demo():
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"""Creates a single QR Code, then prints it to the console."""
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text = u"Hello, world!" # User-supplied Unicode text
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text = "Hello, world!" # User-supplied Unicode text
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errcorlvl = QrCode.Ecc.LOW # Error correction level
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# Make and print the QR Code symbol
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@ -62,7 +61,7 @@ def do_variety_demo():
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print_qr(qr)
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# Unicode text as UTF-8
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qr = QrCode.encode_text(u"\u3053\u3093\u306B\u3061\u0077\u0061\u3001\u4E16\u754C\uFF01\u0020\u03B1\u03B2\u03B3\u03B4", QrCode.Ecc.QUARTILE)
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qr = QrCode.encode_text("\u3053\u3093\u306B\u3061\u0077\u0061\u3001\u4E16\u754C\uFF01\u0020\u03B1\u03B2\u03B3\u03B4", QrCode.Ecc.QUARTILE)
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print_qr(qr)
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# Moderately large QR Code using longer text (from Lewis Carroll's Alice in Wonderland)
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@ -93,9 +92,9 @@ def do_segment_demo():
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print_qr(qr)
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# Illustration "golden"
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golden0 = u"Golden ratio \u03C6 = 1."
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golden1 = u"6180339887498948482045868343656381177203091798057628621354486227052604628189024497072072041893911374"
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golden2 = u"......"
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golden0 = "Golden ratio \u03C6 = 1."
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golden1 = "6180339887498948482045868343656381177203091798057628621354486227052604628189024497072072041893911374"
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golden2 = "......"
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qr = QrCode.encode_text(golden0 + golden1 + golden2, QrCode.Ecc.LOW)
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print_qr(qr)
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@ -107,7 +106,7 @@ def do_segment_demo():
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print_qr(qr)
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# Illustration "Madoka": kanji, kana, Cyrillic, full-width Latin, Greek characters
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madoka = u"\u300C\u9B54\u6CD5\u5C11\u5973\u307E\u3069\u304B\u2606\u30DE\u30AE\u30AB\u300D\u3063\u3066\u3001\u3000\u0418\u0410\u0418\u3000\uFF44\uFF45\uFF53\uFF55\u3000\u03BA\u03B1\uFF1F"
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madoka = "\u300C\u9B54\u6CD5\u5C11\u5973\u307E\u3069\u304B\u2606\u30DE\u30AE\u30AB\u300D\u3063\u3066\u3001\u3000\u0418\u0410\u0418\u3000\uFF44\uFF45\uFF53\uFF55\u3000\u03BA\u03B1\uFF1F"
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qr = QrCode.encode_text(madoka, QrCode.Ecc.LOW)
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print_qr(qr)
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@ -157,7 +156,7 @@ def do_mask_demo():
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# Chinese text as UTF-8
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segs = QrSegment.make_segments(
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u"\u7DAD\u57FA\u767E\u79D1\uFF08\u0057\u0069\u006B\u0069\u0070\u0065\u0064\u0069\u0061\uFF0C"
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"\u7DAD\u57FA\u767E\u79D1\uFF08\u0057\u0069\u006B\u0069\u0070\u0065\u0064\u0069\u0061\uFF0C"
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"\u8046\u807D\u0069\u002F\u02CC\u0077\u026A\u006B\u1D7B\u02C8\u0070\u0069\u02D0\u0064\u0069"
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"\u002E\u0259\u002F\uFF09\u662F\u4E00\u500B\u81EA\u7531\u5167\u5BB9\u3001\u516C\u958B\u7DE8"
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"\u8F2F\u4E14\u591A\u8A9E\u8A00\u7684\u7DB2\u8DEF\u767E\u79D1\u5168\u66F8\u5354\u4F5C\u8A08"
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@ -176,7 +175,7 @@ def print_qr(qrcode):
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border = 4
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for y in range(-border, qrcode.get_size() + border):
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for x in range(-border, qrcode.get_size() + border):
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print(u"\u2588 "[1 if qrcode.get_module(x,y) else 0] * 2, end="")
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print("\u2588 "[1 if qrcode.get_module(x,y) else 0] * 2, end="")
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print()
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print()
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@ -1,5 +1,5 @@
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#
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# QR Code generator test worker (Python 2, 3)
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# QR Code generator test worker (Python)
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#
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# This program reads data and encoding parameters from standard input and writes
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# QR Code bitmaps to standard output. The I/O format is one integer per line.
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@ -28,11 +28,10 @@
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import sys
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import qrcodegen
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py3 = sys.version_info.major >= 3
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def read_int():
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return int((input if py3 else raw_input)())
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return int(input())
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def main():
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#
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# QR Code generator library (Python 2, 3)
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# QR Code generator library (Python)
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#
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# Copyright (c) Project Nayuki. (MIT License)
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# https://www.nayuki.io/page/qr-code-generator-library
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@ -21,7 +21,7 @@
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# Software.
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#
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import collections, itertools, re, sys
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import collections, itertools, re
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"""
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@ -60,7 +60,7 @@ This module "qrcodegen", public members:
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# ---- QR Code symbol class ----
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class QrCode(object):
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class QrCode:
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"""A QR Code symbol, which is a type of two-dimension barcode.
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Invented by Denso Wave and described in the ISO/IEC 18004 standard.
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Instances of this class represent an immutable square grid of black and white cells.
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@ -678,7 +678,7 @@ class QrCode(object):
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# ---- Public helper enumeration ----
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class Ecc(object):
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class Ecc:
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"""The error correction level in a QR Code symbol. Immutable."""
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# Private constructor
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def __init__(self, i, fb):
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@ -695,7 +695,7 @@ class QrCode(object):
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# ---- Data segment class ----
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class QrSegment(object):
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class QrSegment:
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"""A segment of character/binary/control data in a QR Code symbol.
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Instances of this class are immutable.
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The mid-level way to create a segment is to take the payload data
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@ -713,11 +713,8 @@ class QrSegment(object):
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"""Returns a segment representing the given binary data encoded in byte mode.
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All input byte lists are acceptable. Any text string can be converted to
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UTF-8 bytes (s.encode("UTF-8")) and encoded as a byte mode segment."""
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py3 = sys.version_info.major >= 3
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if (py3 and isinstance(data, str)) or (not py3 and isinstance(data, unicode)):
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if isinstance(data, str):
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raise TypeError("Byte string/list expected")
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if not py3 and isinstance(data, str):
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data = bytearray(data)
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bb = _BitBuffer()
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for b in data:
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bb.append_bits(b, 8)
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@ -759,7 +756,7 @@ class QrSegment(object):
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def make_segments(text):
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"""Returns a new mutable list of zero or more segments to represent the given Unicode text string.
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The result may use various segment modes and switch modes to optimize the length of the bit stream."""
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if not (isinstance(text, str) or (sys.version_info.major < 3 and isinstance(text, unicode))):
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if not isinstance(text, str):
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raise TypeError("Text string expected")
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# Select the most efficient segment encoding automatically
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@ -867,7 +864,7 @@ class QrSegment(object):
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# ---- Public helper enumeration ----
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class Mode(object):
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class Mode:
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"""Describes how a segment's data bits are interpreted. Immutable."""
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# Private constructor
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#
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# QR Code generator Distutils script (Python 2, 3)
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# QR Code generator Distutils script (Python)
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#
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# Copyright (c) Project Nayuki. (MIT License)
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# https://www.nayuki.io/page/qr-code-generator-library
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@ -26,7 +26,7 @@ import setuptools
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setuptools.setup(
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name = "qrcodegen",
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description = "High quality QR Code generator library for Python 2 and 3",
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description = "High quality QR Code generator library for Python",
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version = "1.6.0",
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platforms = "OS Independent",
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license = "MIT License",
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"License :: OSI Approved :: MIT License",
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"Operating System :: OS Independent",
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"Programming Language :: Python",
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"Programming Language :: Python :: 2",
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"Programming Language :: Python :: 3",
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"Topic :: Multimedia :: Graphics",
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"Topic :: Software Development :: Libraries :: Python Modules",
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