{"id":971481,"date":"2024-12-27T05:35:23","date_gmt":"2024-12-26T21:35:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/971481.html"},"modified":"2024-12-27T05:35:25","modified_gmt":"2024-12-26T21:35:25","slug":"python%e5%a6%82%e4%bd%95%e6%b7%bb%e5%8a%a0snaps%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/971481.html","title":{"rendered":"Python\u5982\u4f55\u6dfb\u52a0snaps\u51fd\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24194603\/ad72e6fb-03b0-42f6-b589-fc895b4a8633.webp\" alt=\"Python\u5982\u4f55\u6dfb\u52a0snaps\u51fd\u6570\" \/><\/p>\n<p><p> <strong>Python\u6dfb\u52a0snaps\u51fd\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u3001\u901a\u8fc7\u81ea\u5b9a\u4e49\u51fd\u6570\u5b9e\u73b0\u3001\u5229\u7528Python\u7684\u5185\u7f6e\u529f\u80fd\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u662f\u6700\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5\u9002\u5f53\u7684\u5e93\u6765\u6269\u5c55Python\u7684\u529f\u80fd\uff1b\u81ea\u5b9a\u4e49\u51fd\u6570\u5219\u9700\u8981\u7f16\u5199\u989d\u5916\u7684\u4ee3\u7801\uff0c\u4f46\u80fd\u63d0\u4f9b\u66f4\u5927\u7684\u7075\u6d3b\u6027\u548c\u5b9a\u5236\u5316\uff1b\u800c\u5229\u7528Python\u7684\u5185\u7f6e\u529f\u80fd\u5219\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\uff0c\u4f46\u53ef\u80fd\u4e0d\u5177\u5907\u6240\u6709\u7684\u7279\u6027\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u6bcf\u79cd\u65b9\u6cd5\u7684\u5b9e\u73b0\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/p>\n<\/p>\n<ol>\n<li><code>snappy<\/code>\u5e93\u7684\u5b89\u88c5\u4e0e\u4f7f\u7528<\/li>\n<\/ol>\n<p><p><code>snappy<\/code>\u662f\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u5e93\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u538b\u7f29\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7Python\u7684\u5305\u7ba1\u7406\u5de5\u5177<code>pip<\/code>\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install python-snappy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u6765\u4f7f\u7528<code>snappy<\/code>\u5e93\u8fdb\u884c\u6570\u636e\u538b\u7f29\u548c\u89e3\u538b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import snappy<\/p>\n<h2><strong>\u538b\u7f29\u6570\u636e<\/strong><\/h2>\n<p>data = b&quot;This is a test string for compression&quot;<\/p>\n<p>compressed_data = snappy.compress(data)<\/p>\n<h2><strong>\u89e3\u538b\u6570\u636e<\/strong><\/h2>\n<p>decompressed_data = snappy.uncompress(compressed_data)<\/p>\n<p>assert data == decompressed_data<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528<code>snaps<\/code>\u5e93\u8fdb\u884c\u56fe\u50cf\u5904\u7406<\/li>\n<\/ol>\n<p><p>\u5982\u679c\u4f60\u6307\u7684\u662f\u56fe\u50cf\u5904\u7406\u5e93<code>snaps<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b89\u88c5\u548c\u4f7f\u7528\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install snaps<\/p>\n<p>import snaps<\/p>\n<h2><strong>\u52a0\u8f7d\u56fe\u50cf<\/strong><\/h2>\n<p>img = snaps.load_img(&#39;path_to_image.png&#39;)<\/p>\n<h2><strong>\u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n<p>snaps.display_img(img)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e8c\u3001\u81ea\u5b9a\u4e49\u51fd\u6570\u5b9e\u73b0<\/p>\n<\/p>\n<ol>\n<li>\u81ea\u5b9a\u4e49\u538b\u7f29\u51fd\u6570<\/li>\n<\/ol>\n<p><p>\u5982\u679c\u9700\u8981\u5728\u6ca1\u6709\u7b2c\u4e09\u65b9\u5e93\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u7b80\u5355\u7684\u538b\u7f29\u529f\u80fd\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def custom_compress(data):<\/p>\n<p>    # \u7b80\u5355\u7684\u81ea\u5b9a\u4e49\u538b\u7f29\u7b97\u6cd5<\/p>\n<p>    return data.replace(b&quot; &quot;, b&quot;&quot;)<\/p>\n<p>def custom_decompress(data, original_length):<\/p>\n<p>    # \u7b80\u5355\u7684\u89e3\u538b\u51fd\u6570\uff0c\u6839\u636e\u9700\u8981\u5b9e\u73b0<\/p>\n<p>    return data.ljust(original_length, b&#39; &#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u81ea\u5b9a\u4e49\u56fe\u50cf\u5904\u7406\u51fd\u6570<\/li>\n<\/ol>\n<p><p>\u5bf9\u4e8e\u56fe\u50cf\u5904\u7406\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528Python\u7684\u6807\u51c6\u5e93\uff0c\u5982PIL\uff08Pillow\uff09\u6765\u5b9e\u73b0\u81ea\u5b9a\u4e49\u529f\u80fd\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PIL import Image<\/p>\n<p>def load_and_display_image(image_path):<\/p>\n<p>    img = Image.open(image_path)<\/p>\n<p>    img.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u5229\u7528Python\u7684\u5185\u7f6e\u529f\u80fd<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528Python\u7684<code>gzip<\/code>\u6a21\u5757<\/li>\n<\/ol>\n<p><p>Python\u5185\u7f6e\u7684<code>gzip<\/code>\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u5904\u7406gzip\u683c\u5f0f\u7684\u538b\u7f29\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import gzip<\/p>\n<p>def gzip_compress(data):<\/p>\n<p>    return gzip.compress(data)<\/p>\n<p>def gzip_decompress(data):<\/p>\n<p>    return gzip.decompress(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528Python\u7684<code>io<\/code>\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u5904\u7406<\/li>\n<\/ol>\n<p><p>\u5bf9\u4e8e\u7b80\u5355\u7684\u56fe\u50cf\u5904\u7406\u4efb\u52a1\uff0cPython\u7684<code>io<\/code>\u6a21\u5757\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5e93\u7ed3\u5408\u4f7f\u7528\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PIL import Image<\/p>\n<p>import io<\/p>\n<p>def process_image(image_data):<\/p>\n<p>    image = Image.open(io.BytesIO(image_data))<\/p>\n<p>    # \u8fdb\u884c\u56fe\u50cf\u5904\u7406<\/p>\n<p>    image = image.convert(&#39;L&#39;)  # \u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf<\/p>\n<p>    return image<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u590d\u6742\u529f\u80fd<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f80\u5f80\u9700\u8981\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u8fdb\u884c\u57fa\u7840\u64cd\u4f5c\uff0c\u7136\u540e\u901a\u8fc7\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u7279\u5b9a\u7684\u5b9a\u5236\u5316\u5904\u7406\uff0c\u6700\u540e\u5229\u7528Python\u7684\u5185\u7f6e\u529f\u80fd\u6765\u4f18\u5316\u6027\u80fd\u6216\u7b80\u5316\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0<code>snaps<\/code>\u51fd\u6570\u7684\u529f\u80fd\u3002\u5728\u8fdb\u884c\u5b9e\u73b0\u65f6\uff0c\u8003\u8651\u5230\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u6269\u5c55\u6027\uff0c\u5efa\u8bae\u9009\u62e9\u4e00\u79cd\u6216\u591a\u79cd\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>Python\u4e2d\u7684snaps\u51fd\u6570\u662f\u4ec0\u4e48\uff0c\u6709\u4ec0\u4e48\u7528\u9014\uff1f<\/strong><br \/>snaps\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u5904\u7406\u56fe\u50cf\u6216\u6570\u636e\u5feb\u7167\uff0c\u5b83\u53ef\u4ee5\u6355\u6349\u5f53\u524d\u72b6\u6001\u5e76\u4fdd\u5b58\u4e3a\u4e00\u4e2a\u5bf9\u8c61\u6216\u6587\u4ef6\u3002\u8fd9\u5728\u6570\u636e\u5206\u6790\u548c\u56fe\u50cf\u5904\u7406\u9886\u57df\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u7528\u6237\u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u83b7\u53d6\u6570\u636e\u7684\u5feb\u7167\uff0c\u4ee5\u4fbf\u540e\u7eed\u5206\u6790\u6216\u64cd\u4f5c\u3002\u5728Python\u4e2d\uff0csnaps\u51fd\u6570\u7684\u5b9e\u73b0\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u51fd\u6570\u6216\u4f7f\u7528\u73b0\u6709\u5e93\u6765\u5b8c\u6210\uff0c\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u53d6\u51b3\u4e8e\u7528\u6237\u7684\u9700\u6c42\u548c\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u81ea\u5b9a\u4e49snaps\u51fd\u6570\uff1f<\/strong><br \/>\u81ea\u5b9a\u4e49snaps\u51fd\u6570\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\u5b9a\u4e49\u51fd\u6570\u3001\u63a5\u53d7\u8f93\u5165\u53c2\u6570\uff08\u5982\u56fe\u50cf\u6570\u636e\u6216\u6570\u636e\u96c6\uff09\uff0c\u7136\u540e\u6839\u636e\u9700\u6c42\u8fdb\u884c\u5904\u7406\u3002\u7528\u6237\u53ef\u4ee5\u5229\u7528Python\u7684\u5e93\uff08\u5982PIL\u6216OpenCV\uff09\u8fdb\u884c\u56fe\u50cf\u5904\u7406\uff0c\u6216\u4f7f\u7528NumPy\u5904\u7406\u6570\u503c\u6570\u636e\u3002\u793a\u4f8b\u4ee3\u7801\u53ef\u80fd\u5305\u62ec\u4f7f\u7528\u8fd9\u4e9b\u5e93\u6765\u8bfb\u53d6\u56fe\u50cf\u3001\u5904\u7406\u6570\u636e\uff0c\u5e76\u6700\u7ec8\u751f\u6210\u4e00\u4e2a\u5feb\u7167\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u4f7f\u7528snaps\u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u4f7f\u7528snaps\u51fd\u6570\u65f6\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4fdd\u6301\u51fd\u6570\u7684\u7b80\u5355\u6027\uff0c\u907f\u514d\u8fc7\u5ea6\u590d\u6742\u7684\u903b\u8f91\uff0c\u4fbf\u4e8e\u5176\u4ed6\u5f00\u53d1\u8005\u7406\u89e3\u548c\u4f7f\u7528\u3002\u6b64\u5916\uff0c\u8003\u8651\u4f7f\u7528\u9002\u5f53\u7684\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u4ee5\u5e94\u5bf9\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\uff0c\u5982\u6587\u4ef6\u672a\u627e\u5230\u6216\u6570\u636e\u683c\u5f0f\u4e0d\u5339\u914d\u7b49\u95ee\u9898\u3002\u540c\u65f6\uff0c\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u6765\u9a8c\u8bc1snaps\u51fd\u6570\u7684\u529f\u80fd\uff0c\u786e\u4fdd\u5176\u5728\u5404\u79cd\u8f93\u5165\u60c5\u51b5\u4e0b\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u6dfb\u52a0snaps\u51fd\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u3001\u901a\u8fc7\u81ea\u5b9a\u4e49\u51fd\u6570\u5b9e\u73b0\u3001\u5229\u7528Python\u7684\u5185\u7f6e\u529f\u80fd\u3002\u5176\u4e2d\uff0c [&hellip;]","protected":false},"author":3,"featured_media":971486,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971481"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=971481"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971481\/revisions"}],"predecessor-version":[{"id":971489,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971481\/revisions\/971489"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/971486"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=971481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=971481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=971481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}