{"id":2636,"date":"2017-08-27T09:14:02","date_gmt":"2017-08-27T01:14:02","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2636"},"modified":"2025-01-20T10:39:31","modified_gmt":"2025-01-20T02:39:31","slug":"python3%ef%bc%9a%e5%9b%be%e7%89%87%e8%bd%ac%e5%ad%97%e7%ac%a6%e7%94%bb","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/python\/python3%ef%bc%9a%e5%9b%be%e7%89%87%e8%bd%ac%e5%ad%97%e7%ac%a6%e7%94%bb\/","title":{"rendered":"Python3\uff1a\u56fe\u7247\u8f6c\u5b57\u7b26\u753b"},"content":{"rendered":"\n

1\u3001\u73af\u5883\u51c6\u5907<\/strong><\/p>\n\n\n\n

\u4e3b\u673a\u540d<\/td>IP<\/td>\u7cfb\u7edf<\/td>Python\u7248\u672c<\/td><\/tr>
Python-01<\/td>192.168.10.9<\/td>CentOS release 6.9 (Final)<\/td>3.5.4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u53c2\u8003<\/strong>\uff1ahttps:\/\/www.shiyanlou.com\/courses\/370\/labs\/1191\/document<\/p>\n\n\n\n

2\u3001\u539f\u7406<\/strong><\/p>\n\n\n\n

\u5b57\u7b26\u753b\u662f\u4e00\u7cfb\u5217\u5b57\u7b26\u7684\u7ec4\u5408\uff0c\u53ef\u4ee5\u628a\u5b57\u7b26\u770b\u4f5c\u662f\u6bd4\u8f83\u5927\u5757\u7684\u50cf\u7d20\uff0c\u4e00\u4e2a\u5b57\u7b26\u80fd\u8868\u73b0\u4e00\u79cd\u989c\u8272\uff08\u6682\u4e14\u8fd9\u4e48\u7406\u89e3\u5427\uff09\uff0c\u5b57\u7b26\u7684\u79cd\u7c7b\u8d8a\u591a\uff0c\u53ef\u4ee5\u8868\u73b0\u7684\u989c\u8272\u4e5f\u8d8a\u591a\uff0c\u56fe\u7247\u4e5f\u4f1a\u66f4\u6709\u5c42\u6b21\u611f\u3002<\/p>\n\n\n\n

\u7070\u5ea6\u503c<\/strong>\uff1a<\/strong>\u6307\u8303\u56f4\u4e00\u822c\u4ece0\u5230255\uff0c\u767d\u8272\u4e3a255\uff0c\u9ed1\u8272\u4e3a0\uff0c\u6545\u9ed1\u767d\u56fe\u7247\u4e5f\u79f0\u7070\u5ea6\u56fe\u50cf\u3002<\/strong><\/p>\n\n\n\n

\u4efb\u4f55\u989c\u8272\u90fd\u7531\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u57fa\u8272\u7ec4\u6210\uff0c\u5047\u5982\u539f\u6765\u67d0\u70b9\u7684\u989c\u8272\u4e3aRGB(R\uff0cG\uff0cB)\uff0c\u672c\u6b21\u5b9e\u9a8c\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u6765\u8f6c\u6362\u7070\u5ea6\uff1a<\/p>\n\n\n\n

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gray \uff1d <\/code>0.2126<\/code> *<\/code> r <\/code>+<\/code> 0.7152<\/code> *<\/code> g <\/code>+<\/code> 0.0722<\/code> *<\/code> b<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

3\u3001\u5b9e\u9a8c<\/strong><\/p>\n\n\n\n

\u672c\u6b21\u5b9e\u9a8c\u7684\u6838\u5fc3\u662fpillow<\/strong>\u5e93\u7684Image<\/strong>\u6a21\u5757\u548cargparse<\/strong>\u6a21\u5757\u3002<\/p>\n\n\n\n

3.1 \u56fe\u50cf\u5904\u7406\u5e93pillow<\/strong><\/p>\n\n\n\n

Pillow\u662fPython\u91cc\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u652f\u6301Python3.X\uff0c\u63d0\u4f9b\u4e86\u5e7f\u6cdb\u7684\u6587\u4ef6\u683c\u5f0f\u652f\u6301\u548c\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u80fd\u529b\uff0c\u4e3b\u8981\u5305\u62ec\u56fe\u50cf\u50a8\u5b58\u3001\u56fe\u50cf\u663e\u793a\u3001\u683c\u5f0f\u8f6c\u6362\u4ee5\u53ca\u57fa\u672c\u7684\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\u7b49\u3002<\/p>\n\n\n\n

Image\u7c7b\u4f7f\u7528\u8bf4\u660e\u53c2\u8003\uff1ahttps:\/\/pillow.readthedocs.io\/en\/latest\/reference\/Image.html<\/a><\/p>\n\n\n\n

3.2 \u5b89\u88c5pillow\u5e93<\/strong><\/p>\n\n\n\n

\u76f4\u63a5\u7528Python3\u81ea\u5e26\u7684pip\u5b89\u88c5\u5373\u53ef\uff1a<\/p>\n\n\n\n

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pip <\/code>install<\/code> pillow<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

widonws\u7aef\u53ef\u4ee5\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n\n\n\n

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1<\/div>\n<\/td>\n
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python3 -m pip install pillow<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

3.3 <\/strong>argparse\u6a21\u5757<\/strong><\/p>\n\n\n\n

argparse\u6a21\u5757\u4f7f\u7f16\u5199\u7528\u6237\u53cb\u597d\u7684\u547d\u4ee4\u884c\u754c\u9762\u53d8\u5f97\u66f4\u5bb9\u6613\u3002\u7a0b\u5e8f\u53ea\u9700\u5b9a\u4e49\u597d\u5b83\u8981\u6c42\u7684\u53c2\u6570\uff0c\u7136\u540eargparse\u5c06\u8d1f\u8d23\u5982\u4f55\u4ecesys.argv\u4e2d\u89e3\u6790\u51fa\u8fd9\u4e9b\u53c2\u6570\u3002argparse\u6a21\u5757\u8fd8\u4f1a\u81ea\u52a8\u751f\u6210\u5e2e\u52a9\u548c\u4f7f\u7528\u4fe1\u606f\u5e76\u4e14\u5f53\u7528\u6237\u8d4b\u7ed9\u7a0b\u5e8f\u975e\u6cd5\u7684\u53c2\u6570\u65f6\u4ea7\u751f\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n\n\n\n

3.3.1 <\/span><\/code><\/span>ArgumentParser\u5bf9\u8c61<\/strong><\/p>\n\n\n\n

add_argumen<\/span><\/code><\/span>t()\u65b9\u6cd5\u5fc5\u987b\u77e5\u9053\u671f\u671b\u7684\u662f\u53ef\u9009\u53c2\u6570\uff0c\u4f8b\u5982-o \u6216\u8005–output\u53c2\u6570\u7528\u6765\u8bbe\u7f6e\u8f93\u51fa\u6587\u4ef6\uff1a<\/p>\n\n\n\n

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parser <\/code>=<\/code> argparse.ArgumentParser()<\/code><\/div>\n
parser.add_argument(<\/code>'-o'<\/code>, <\/code>'--output'<\/code>)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

<\/code>add_argument()\u7684default\u5173\u952e\u5b57\u53c2\u6570\uff0c\u5176\u9ed8\u8ba4\u503c\u4e3aNone\uff0c\u6307\u51fa\u5982\u679c\u547d\u4ee4\u884c\u53c2\u6570\u6ca1\u6709\u51fa\u73b0\u65f6\u5b83\u4eec\u5e94\u8be5\u662f\u4ec0\u4e48\u503c\uff0c\u8fd8\u53ef\u4ee5\u8bbe\u5b9a\u5176\u7c7b\u578btype\uff0c\u4f8b\u5982\u8bbe\u5b9a\u8f93\u51fa\u5b57\u7b26\u753b\u7684\u5bbd\uff1a<\/p>\n\n\n\n

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parser.add_argument(<\/code>'--width'<\/code>, <\/code>type<\/code> =<\/code> int<\/code>, default <\/code>=<\/code> 80<\/code>)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

3.4 \u51c6\u5907\u56fe\u7247<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

3.5 \u6e90\u7801<\/strong><\/p>\n\n\n\n

\u6e90\u7801\u5728Windows\u3001CentOS\u548cUbuntu\u73af\u5883\u5747\u9a8c\u8bc1\u6210\u529f\u3002<\/p>\n\n\n\n

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vim <\/code>test<\/code>.py<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n
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#!\/usr\/bin\/env python3<\/code><\/div>\n
from<\/code> PIL <\/code>import<\/code> Image<\/code><\/div>\n
import<\/code> argparse<\/code><\/div>\n
 <\/div>\n
# \u547d\u4ee4\u884c\u8f93\u5165\u53c2\u6570\u5904\u7406<\/code><\/div>\n
parser <\/code>=<\/code> argparse.ArgumentParser()<\/code><\/div>\n
parser.add_argument(<\/code>'file'<\/code>)     <\/code># \u8f93\u5165\u6587\u4ef6<\/code><\/div>\n
parser.add_argument(<\/code>'-o'<\/code>, <\/code>'--output'<\/code>)   <\/code># \u8f93\u51fa\u6587\u4ef6<\/code><\/div>\n
# \u8f93\u51fa\u5b57\u7b26\u753b\u5bbd\uff0c\u9ed8\u8ba4\u503c\u4e3a80<\/code><\/div>\n
parser.add_argument(<\/code>'--width'<\/code>, <\/code>type<\/code> =<\/code> int<\/code>, default <\/code>=<\/code> 80<\/code>)<\/code><\/div>\n
# \u8f93\u51fa\u5b57\u7b26\u753b\u9ad8\uff0c\u9ed8\u8ba4\u503c\u4e3a80<\/code><\/div>\n
parser.add_argument(<\/code>'--height'<\/code>, <\/code>type<\/code> =<\/code> int<\/code>, default <\/code>=<\/code> 80<\/code>) <\/code><\/div>\n
 <\/div>\n
# \u83b7\u53d6\u53c2\u6570<\/code><\/div>\n
args <\/code>=<\/code> parser.parse_args()<\/code><\/div>\n
IMG <\/code>=<\/code> args.<\/code>file<\/code><\/div>\n
WIDTH <\/code>=<\/code> args.width<\/code><\/div>\n
HEIGHT <\/code>=<\/code> args.height<\/code><\/div>\n
OUTPUT <\/code>=<\/code> args.output<\/code><\/div>\n
 <\/div>\n
# \u7070\u5ea6\u503c\u5c0f\uff08\u6697\uff09\u7684\u7528\u5217\u8868\u5f00\u5934\u7684\u7b26\u53f7\uff0c\u7070\u5ea6\u503c\u5927\uff08\u4eae\uff09\u7684\u7528\u5217\u8868\u672b\u5c3e\u7684\u7b26\u53f7\u3002<\/code><\/div>\n
ascii_char <\/code>=<\/code> list<\/code>(<\/code>\"$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft\/\\|()1{}[]?-_+~<>i!lI;:,\\\"^`'. \"<\/code>)<\/code><\/div>\n
 <\/div>\n
# \u5c06256\u7070\u5ea6\u6620\u5c04\u5230\u5217\u8868\u768470\u4e2a\u5b57\u7b26\u4e0a<\/code><\/div>\n
def<\/code> get_char(r,g,b,alpha <\/code>=<\/code> 256<\/code>):<\/code><\/div>\n
    <\/code>if<\/code> alpha <\/code>=<\/code>=<\/code> 0<\/code>:<\/code><\/div>\n
        <\/code>return<\/code> ' '<\/code><\/div>\n
    <\/code>length <\/code>=<\/code> len<\/code>(ascii_char)<\/code><\/div>\n
    <\/code>gray <\/code>=<\/code> int<\/code>(<\/code>0.2126<\/code> *<\/code> r <\/code>+<\/code> 0.7152<\/code> *<\/code> g <\/code>+<\/code> 0.0722<\/code> *<\/code> b)<\/code><\/div>\n
    <\/code>unit <\/code>=<\/code> (<\/code>256.0<\/code> +<\/code> 1<\/code>)<\/code>\/<\/code>length<\/code><\/div>\n
    <\/code>return<\/code> ascii_char[<\/code>int<\/code>(gray<\/code>\/<\/code>unit)]<\/code><\/div>\n
 <\/div>\n
if<\/code> __name__ <\/code>=<\/code>=<\/code> '__main__'<\/code>:<\/code><\/div>\n
    <\/code>im <\/code>=<\/code> Image.<\/code>open<\/code>(IMG)<\/code><\/div>\n
    <\/code>im <\/code>=<\/code> im.resize((WIDTH,HEIGHT), Image.NEAREST)<\/code><\/div>\n
    <\/code>txt <\/code>=<\/code> \"\"<\/code><\/div>\n
    <\/code>for<\/code> i <\/code>in<\/code> range<\/code>(HEIGHT):<\/code><\/div>\n
        <\/code>for<\/code> j <\/code>in<\/code> range<\/code>(WIDTH):<\/code><\/div>\n
            <\/code>txt <\/code>+<\/code>=<\/code> get_char(<\/code>*<\/code>im.getpixel((j,i)))<\/code><\/div>\n
        <\/code>txt <\/code>+<\/code>=<\/code> '\\n'<\/code><\/div>\n
    <\/code>print<\/code>(txt)<\/code><\/div>\n
 <\/div>\n
    <\/code># \u5b57\u7b26\u753b\u8f93\u51fa\u5230\u6587\u4ef6<\/code><\/div>\n
    <\/code>if<\/code> OUTPUT:<\/code><\/div>\n
        <\/code>with <\/code>open<\/code>(OUTPUT,<\/code>'w'<\/code>) as f:<\/code><\/div>\n
            <\/code>f.write(txt)<\/code><\/div>\n
    <\/code>else<\/code>:<\/code><\/div>\n
        <\/code>with <\/code>open<\/code>(<\/code>\"output.txt\"<\/code>,<\/code>'w'<\/code>) as f:<\/code><\/div>\n
            <\/code>f.write(txt)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

3.6 \u8fd0\u884c\u7ed3\u679c<\/strong><\/p>\n\n\n\n

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python3 <\/code>test<\/code>.py timg.jpg<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n
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                                      <\/code>....  ..<\/code><\/div>\n
                           <\/code>......lB&],,,,,,,+Mp'...<\/code><\/div>\n
                            <\/code>..8c,,,,,,,,,,,,,,,,M\"`<\/code><\/div>\n
                        <\/code>. '&<,,,,,,,,,,,,,,,,,,,,,!U .<\/code><\/div>\n
                       <\/code>'+aI,,,,,,,,,,,,,,,,,,,,,,,,;|f.'<\/code><\/div>\n
                      <\/code>'ox:,,,,,,,,,,,,,,,,,,,,,,,,,,,\">o\\..<\/code><\/div>\n
                     <\/code>o\",:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\"::c@.<\/code><\/div>\n
                  <\/code>. &:\"I,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,f^,,lJ.<\/code><\/div>\n
                  <\/code>^>\";,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,M,,,`&<\/code><\/div>\n
                <\/code>.';\",&,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\"!\",,,:}.<\/code><\/div>\n
                <\/code>^,,,:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#l,,,\":]<\/code><\/div>\n
               <\/code>'\",,,,^,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;!,,,,,Ix..<\/code><\/div>\n
              <\/code>',,,,,m,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,M!,,,,,,Z`<\/code><\/div>\n
             <\/code>'Z,,,,,M,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,l!,,,,,,^.`<\/code><\/div>\n
           <\/code>..h:,,,,\"*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,ii:,,,,,,}.<\/code><\/div>\n
            <\/code>ti,,,,,:[,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,k!,,,,,,,M<\/code><\/div>\n
           <\/code>.I,,,,,,,:\",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,&!,,,,,,,,v<\/code><\/div>\n
           <\/code>k,,,,,,,l:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,_!:,,,,,,,\"'<\/code><\/div>\n
          <\/code>Y:,,,,,,,!:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,l!l,,,,,,,:#<\/code><\/div>\n
         <\/code>'[,,,,,,,,l:\",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,ii!,,,,,,,:0<\/code><\/div>\n
       <\/code>. o^,,,,,,,!l:,,,,,\",,\",,,,,,,,,,,,,,,,,,\":lz(,,,\",,;]!:,,,,,,,0&<\/code><\/div>\n
       <\/code>.`O,,,,,,,:!!\",,,j**WWMW[,,,,,,,,,,,,,,,vMMMWMM8o,,,,{!;,,,,,,,0Z.<\/code><\/div>\n
       <\/code>.80,,,,,,,:!l:,,,8,,\"\"\":\",,,,,,,,,,,,,,,M\",:,:::I,,,,(!!,,,,,,\"0QW<\/code><\/div>\n
      <\/code>.`00\",,,,,:!l{,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,^?>!,,,,,,,00Q..<\/code><\/div>\n
     <\/code>.'W00\",,,,,:!1*:\",,,,::,,,,,,,,,,,\",,,,,,,,,,,,,,,,,,,,^^!\",,,,,\"00Ou<\/code><\/div>\n
     <\/code>..000\",,,,,!I\\JjmW;,\",,,,,,,,,,,,-8^,,,,,,,,,,,,,,:,,&&,.`p;,,,,\"000a.<\/code><\/div>\n
      <\/code>%000,,,,,,!)[nxxn*;:,,,,,,,,,,,,^,,,,,,,,,,,,,,,:Izunu#..'8I,,,\"000O^<\/code><\/div>\n
     <\/code>.0000:,,,,;>}Mxxxxx8:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,0rxxxj`   #l,,\"0000B<\/code><\/div>\n
     <\/code>M0000,,,,,!1vnnxxxx\\:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,vxxxxr@    ';\",0000k<\/code><\/div>\n
    <\/code>.O0000I,,,!(bWxxxxxxf:,,,,,,,,,,,,:\"\",,,,,,,,,,,,:Ixxxxxxx'    'W,00000<\/code><\/div>\n
    <\/code>.00000},,;>a'uxxxxxx%\",,,,,,,,,,,\"%ujM;:,,,,,,,,,,\/xxxxxxxW    . M00000,<\/code><\/div>\n
    <\/code>W00000n,,ip :xxxxxnt:,,,,!W:,,^#Mxnxxnn%C&M8WW;,,,\"jxxxxunQ      .\"q000o.<\/code><\/div>\n
    <\/code>000000J,-' .#xrxxxm;\",,,,:;\",:,\"Mxxxnxv^:\",\":,\",,,,Wnxxxv::&+    .`'800Z'<\/code><\/div>\n
   <\/code>!000000Qo ..#,,\"8W^,,,,,,,,,,,,,,,Mnnxu8,,,,,,,,,,,,,,&hxB,,,,#''   . #0OJ<\/code><\/div>\n
  <\/code>.M0000QQ# .Wl,,,:o\",,,,,,,,,,,,,,,,:&nx\/;,,,,,,,,,,,,,,,,:<,,,,,J'       *M.<\/code><\/div>\n
  <\/code>`O000L*.. .,,,,,,;\",,,,,,,,,,,,,,,,,,z*^,,,,,,,,,,,,,,,,,,M,,,,,,&.      .#.<\/code><\/div>\n
  <\/code>BQ00&`   .m,,,,,:Z,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,IZ,,,,,:.<\/code><\/div>\n
  <\/code>B#M..     :,,,,^#!:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!:J,,,,,!.<\/code><\/div>\n
           <\/code>.\",,,,;^ul!:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\":i)Cl,,,,l!.<\/code><\/div>\n
        <\/code>.  `>,,,,,\":Yfi!!;,,,,,,,,,,,,,,,,,,,,,,,,,,::I!I8X!I,,,,,l!.<\/code><\/div>\n
            <\/code>;!,,,,,,\":{#WIl!!!!!I;:,\"\"\",::;IIl!i!!llf&&{11!;,,,,,!!r'<\/code><\/div>\n
            <\/code>Ll!,,,,,,:,\"?(t]jq8&MWWWM&&&&&##M8*X1)(1()1ll!,,,,,,I!!f<\/code><\/div>\n
             <\/code>*l!:,,,,,,,,:\"::l!<_+-][{{{11{{11{[_!:!!l!:,\",,,,,:l!X.<\/code><\/div>\n
             <\/code>\"B!!!;,,,,,,,,,,,,,\",\"\",,,,\",,,\",,,:,,\",:,,,,:,,:!!!a..<\/code><\/div>\n
            <\/code>.. *l!!!!\",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!!!!i*.      .<\/code><\/div>\n
                <\/code>v!!!!!:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,li>!o<\/code><\/div>\n
                <\/code>.<*i!!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,l;` .<\/code><\/div>\n
                  <\/code>.jJI,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!-<\/code><\/div>\n
                    <\/code>`I,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!!<\/code><\/div>\n
                    <\/code>.I,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:! .<\/code><\/div>\n
                    <\/code>W!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,id<\/code><\/div>\n
                  <\/code>..~!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!#.<\/code><\/div>\n
                   <\/code>.I!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!!<\/code><\/div>\n
                  <\/code>.+!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:i<\/code><\/div>\n
                   <\/code>%!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,iX<\/code><\/div>\n
                   <\/code>_!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!%<\/code><\/div>\n
                  <\/code>.I;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\"I<\/code><\/div>\n
                  <\/code>'!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,i..<\/code><\/div>\n
                  <\/code>Y!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,!;.<\/code><\/div>\n
                 <\/code>'M!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,0.<\/code><\/div>\n
                <\/code>. ?;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#.<\/code><\/div>\n
                <\/code>..I:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:8.<\/code><\/div>\n
                 <\/code>.l,,,,,,,,,,,,,,,,,::::::::::::::::::::::::,!&.<\/code><\/div>\n
                  <\/code>-,,,,,,,,,,,,,,,,::::::::::::::::::::::::::lh.<\/code><\/div>\n
                <\/code>. #,,,,,,,,,,,,,,,,:::::::;:::;;:::;:::::::::l1.<\/code><\/div>\n
                   <\/code>,,,,,,,,,,,,,,,,::::;;;;;;;;;:;;;;;;;;;;;!<<\/code><\/div>\n
                  <\/code>.*I::,,,,,,,,,,,,,,,;:;:;;;;;;;;;;;;;;;;;;:M<\/code><\/div>\n
                    <\/code>#~!;,:,,,,,:,:li!!!!li!!!!!!!!!;;;;;;;;;_<\/code><\/div>\n
                     <\/code>1M;>l>!!!ill!!!}##&W#W&&1>l>l!!!!!!I;Ik .<\/code><\/div>\n
                    <\/code>(>~((fk#oaC|)|))))))))))))(\\(#oMC1<ao#xW<\/code><\/div>\n
                    <\/code>aC<!i!!!((((()()))))))))))))(()(\\\\)){)<!<\/code><\/div>\n
                    <\/code>\\~+!!!i(())))))))))))))))))))))))(i!!!!&Q.<\/code><\/div>\n
                    <\/code>(aa!!@))()))))))))))())))))))))()){I!!M!!<\/code><\/div>\n
                     <\/code>;|[\"'            .               )\/&lt\\<\/code><\/div>\n
                       <\/code>...                            . .;..<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

\u5f53\u7136\uff0c\u4e5f\u53ef\u4ee5\u8c03\u6574\u9ed8\u8ba4\u53c2\u6570\uff0c\u6765\u7f29\u5c0f\u8f93\u51fa\u6bd4\u4f8b\uff1a<\/p>\n\n\n\n

\n
\n\n\n\n
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1<\/div>\n<\/td>\n
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python3 test_img.py  --width 30 --height 30 timg.jpg<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n
\"image\"<\/a><\/figure>\n\n\n\n

<\/p>\n\n\n\n

4\u3001\u603b\u7ed3<\/strong><\/p>\n\n\n\n

\u719f\u6089\u4e86argparse\u6a21\u5757\u548cImage\u6a21\u5757\u3002argparse\u662fPython\u7528\u4e8e\u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570\u548c\u9009\u9879\u7684\u6807\u51c6\u6a21\u5757\uff0c\u4e3e\u4f8b\uff1a<\/p>\n\n\n\n

\n
\n\n\n\n
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1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n<\/td>\n
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import<\/code> argparse<\/code><\/div>\n
parser <\/code>=<\/code> argparse.ArgumentParser()<\/code><\/div>\n
parser.add_argument(<\/code>\"echo\"<\/code>)<\/code><\/div>\n
args <\/code>=<\/code> parser.parse_args()<\/code><\/div>\n
print<\/code> args.echo<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n
\n
\n\n\n\n
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1<\/div>\n
2<\/div>\n<\/td>\n
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$ python xx.py test1<\/code><\/div>\n
test1<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u73af\u5883\u51c6\u5907 \u4e3b\u673a\u540d IP \u7cfb\u7edf Python\u7248\u672c Python-01 192.168.10.9 CentOS … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":2637,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[654],"tags":[380],"class_list":["post-2636","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/xueyuan\/wp-content\/uploads\/2017\/08\/image.png","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=2636"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2636\/revisions"}],"predecessor-version":[{"id":9595,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2636\/revisions\/9595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media\/2637"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}