Clarified Python demo code by importing classes into current namespace.

pull/20/head
Project Nayuki 7 years ago
parent 6a71e09f72
commit 692f3f008b

@ -25,7 +25,7 @@
#
from __future__ import print_function
import qrcodegen
from qrcodegen import QrCode, QrSegment
def main():
@ -42,10 +42,10 @@ def main():
def do_basic_demo():
"""Creates a single QR Code, then prints it to the console."""
text = u"Hello, world!" # User-supplied Unicode text
errcorlvl = qrcodegen.QrCode.Ecc.LOW # Error correction level
errcorlvl = QrCode.Ecc.LOW # Error correction level
# Make and print the QR Code symbol
qr = qrcodegen.QrCode.encode_text(text, errcorlvl)
qr = QrCode.encode_text(text, errcorlvl)
print_qr(qr)
print(qr.to_svg_str(4))
@ -54,26 +54,26 @@ def do_variety_demo():
"""Creates a variety of QR Codes that exercise different features of the library, and prints each one to the console."""
# Numeric mode encoding (3.33 bits per digit)
qr = qrcodegen.QrCode.encode_text("314159265358979323846264338327950288419716939937510", qrcodegen.QrCode.Ecc.MEDIUM)
qr = QrCode.encode_text("314159265358979323846264338327950288419716939937510", QrCode.Ecc.MEDIUM)
print_qr(qr)
# Alphanumeric mode encoding (5.5 bits per character)
qr = qrcodegen.QrCode.encode_text("DOLLAR-AMOUNT:$39.87 PERCENTAGE:100.00% OPERATIONS:+-*/", qrcodegen.QrCode.Ecc.HIGH)
qr = QrCode.encode_text("DOLLAR-AMOUNT:$39.87 PERCENTAGE:100.00% OPERATIONS:+-*/", QrCode.Ecc.HIGH)
print_qr(qr)
# Unicode text as UTF-8
qr = qrcodegen.QrCode.encode_text(u"\u3053\u3093\u306B\u3061\u0077\u0061\u3001\u4E16\u754C\uFF01\u0020\u03B1\u03B2\u03B3\u03B4", qrcodegen.QrCode.Ecc.QUARTILE)
qr = QrCode.encode_text(u"\u3053\u3093\u306B\u3061\u0077\u0061\u3001\u4E16\u754C\uFF01\u0020\u03B1\u03B2\u03B3\u03B4", QrCode.Ecc.QUARTILE)
print_qr(qr)
# Moderately large QR Code using longer text (from Lewis Carroll's Alice in Wonderland)
qr = qrcodegen.QrCode.encode_text(
qr = QrCode.encode_text(
"Alice was beginning to get very tired of sitting by her sister on the bank, "
"and of having nothing to do: once or twice she had peeped into the book her sister was reading, "
"but it had no pictures or conversations in it, 'and what is the use of a book,' thought Alice "
"'without pictures or conversations?' So she was considering in her own mind (as well as she could, "
"for the hot day made her feel very sleepy and stupid), whether the pleasure of making a "
"daisy-chain would be worth the trouble of getting up and picking the daisies, when suddenly "
"a White Rabbit with pink eyes ran close by her.", qrcodegen.QrCode.Ecc.HIGH)
"a White Rabbit with pink eyes ran close by her.", QrCode.Ecc.HIGH)
print_qr(qr)
@ -83,32 +83,32 @@ def do_segment_demo():
# Illustration "silver"
silver0 = "THE SQUARE ROOT OF 2 IS 1."
silver1 = "41421356237309504880168872420969807856967187537694807317667973799"
qr = qrcodegen.QrCode.encode_text(silver0 + silver1, qrcodegen.QrCode.Ecc.LOW)
qr = QrCode.encode_text(silver0 + silver1, QrCode.Ecc.LOW)
print_qr(qr)
segs = [
qrcodegen.QrSegment.make_alphanumeric(silver0),
qrcodegen.QrSegment.make_numeric(silver1)]
qr = qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.LOW)
QrSegment.make_alphanumeric(silver0),
QrSegment.make_numeric(silver1)]
qr = QrCode.encode_segments(segs, QrCode.Ecc.LOW)
print_qr(qr)
# Illustration "golden"
golden0 = u"Golden ratio \u03C6 = 1."
golden1 = u"6180339887498948482045868343656381177203091798057628621354486227052604628189024497072072041893911374"
golden2 = u"......"
qr = qrcodegen.QrCode.encode_text(golden0 + golden1 + golden2, qrcodegen.QrCode.Ecc.LOW)
qr = QrCode.encode_text(golden0 + golden1 + golden2, QrCode.Ecc.LOW)
print_qr(qr)
segs = [
qrcodegen.QrSegment.make_bytes(golden0.encode("UTF-8")),
qrcodegen.QrSegment.make_numeric(golden1),
qrcodegen.QrSegment.make_alphanumeric(golden2)]
qr = qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.LOW)
QrSegment.make_bytes(golden0.encode("UTF-8")),
QrSegment.make_numeric(golden1),
QrSegment.make_alphanumeric(golden2)]
qr = QrCode.encode_segments(segs, QrCode.Ecc.LOW)
print_qr(qr)
# Illustration "Madoka": kanji, kana, Greek, Cyrillic, full-width Latin characters
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"
qr = qrcodegen.QrCode.encode_text(madoka, qrcodegen.QrCode.Ecc.LOW)
qr = QrCode.encode_text(madoka, QrCode.Ecc.LOW)
print_qr(qr)
kanjiCharBits = [ # Kanji mode encoding (13 bits per character)
@ -142,8 +142,8 @@ def do_segment_demo():
0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
]
segs = [qrcodegen.QrSegment(qrcodegen.QrSegment.Mode.KANJI, len(kanjiCharBits) // 13, kanjiCharBits)]
qr = qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.LOW)
segs = [QrSegment(QrSegment.Mode.KANJI, len(kanjiCharBits) // 13, kanjiCharBits)]
qr = QrCode.encode_segments(segs, QrCode.Ecc.LOW)
print_qr(qr)
@ -151,21 +151,21 @@ def do_mask_demo():
"""Creates QR Codes with the same size and contents but different mask patterns."""
# Project Nayuki URL
segs = qrcodegen.QrSegment.make_segments("https://www.nayuki.io/")
print_qr(qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.HIGH, mask=-1)) # Automatic mask
print_qr(qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.HIGH, mask=3)) # Force mask 3
segs = QrSegment.make_segments("https://www.nayuki.io/")
print_qr(QrCode.encode_segments(segs, QrCode.Ecc.HIGH, mask=-1)) # Automatic mask
print_qr(QrCode.encode_segments(segs, QrCode.Ecc.HIGH, mask=3)) # Force mask 3
# Chinese text as UTF-8
segs = qrcodegen.QrSegment.make_segments(
segs = QrSegment.make_segments(
u"\u7DAD\u57FA\u767E\u79D1\uFF08\u0057\u0069\u006B\u0069\u0070\u0065\u0064\u0069\u0061\uFF0C"
"\u8046\u807D\u0069\u002F\u02CC\u0077\u026A\u006B\u1D7B\u02C8\u0070\u0069\u02D0\u0064\u0069"
"\u002E\u0259\u002F\uFF09\u662F\u4E00\u500B\u81EA\u7531\u5167\u5BB9\u3001\u516C\u958B\u7DE8"
"\u8F2F\u4E14\u591A\u8A9E\u8A00\u7684\u7DB2\u8DEF\u767E\u79D1\u5168\u66F8\u5354\u4F5C\u8A08"
"\u756B")
print_qr(qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.MEDIUM, mask=0)) # Force mask 0
print_qr(qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.MEDIUM, mask=1)) # Force mask 1
print_qr(qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.MEDIUM, mask=5)) # Force mask 5
print_qr(qrcodegen.QrCode.encode_segments(segs, qrcodegen.QrCode.Ecc.MEDIUM, mask=7)) # Force mask 7
print_qr(QrCode.encode_segments(segs, QrCode.Ecc.MEDIUM, mask=0)) # Force mask 0
print_qr(QrCode.encode_segments(segs, QrCode.Ecc.MEDIUM, mask=1)) # Force mask 1
print_qr(QrCode.encode_segments(segs, QrCode.Ecc.MEDIUM, mask=5)) # Force mask 5
print_qr(QrCode.encode_segments(segs, QrCode.Ecc.MEDIUM, mask=7)) # Force mask 7

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