Is it possible to make something like this with Playwright:
https://stackoverflow.com/a/52692041
JavaScript
x
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11
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import base64
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img_base64 = browser.execute_script("""
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var ele = arguments[0];
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var cnv = document.createElement('canvas');
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cnv.width = ele.width; cnv.height = ele.height;
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cnv.getContext('2d').drawImage(ele, 0, 0);
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return cnv.toDataURL('image/jpeg').substring(22);
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""", browser.find_element_by_xpath("//your_xpath"))
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with open(r"image.jpg", 'wb') as f:
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f.write(base64.b64decode(img_base64))
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I prefer playwright over selenium but can’t find a way with Playwright.
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Answer
I tried this and it worked (I used an element handler instead of arguments[0]):
JavaScript
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selector = page.query_selector('.my-image')
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img_base64 = page.evaluate("""(selector_handle) => {
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var cnv = document.createElement('canvas');
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cnv.width = 300; cnv.height = 300;
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cnv.getContext('2d').drawImage(selector_handle, 0, 0);
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return cnv.toDataURL('image/jpeg').substring(22);
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}""", selector)
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with open(r"image.jpg", 'wb') as f:
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f.write(base64.b64decode(img_base64))
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