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js: fix Python 3 support in make_umd.py

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This commit is contained in:
Alexander Alekhin 2020-12-23 15:07:12 +00:00
parent 68fb8dd873
commit 0681deb3c9
1 changed files with 11 additions and 7 deletions
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18
modules/js/src/make_umd.py
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@ -69,13 +69,16 @@
import os, sys, re, json, shutil
from subprocess import Popen, PIPE, STDOUT
PY3 = sys.version_info >= (3, 0)
def make_umd(opencvjs, cvjs):
src = open(opencvjs, 'r+b')
dst = open(cvjs, 'w+b')
content = src.read()
dst.seek(0)
# inspired by https://github.com/umdjs/umd/blob/95563fd6b46f06bda0af143ff67292e7f6ede6b7/templates/returnExportsGlobal.js
dst.write(("""
with open(opencvjs, 'r+b') as src:
content = src.read()
if PY3: # content is bytes
content = content.decode('utf-8')
with open(cvjs, 'w+b') as dst:
# inspired by https://github.com/umdjs/umd/blob/95563fd6b46f06bda0af143ff67292e7f6ede6b7/templates/returnExportsGlobal.js
dst.write(("""
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
@ -103,7 +106,8 @@ def make_umd(opencvjs, cvjs):
Module = {};
return cv(Module);
}));
""" % (content)).lstrip().encode())
""" % (content)).lstrip().encode('utf-8'))
if __name__ == "__main__":
if len(sys.argv) > 2: