{"id":2409,"date":"2015-07-26T10:16:34","date_gmt":"2015-07-26T02:16:34","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=2409"},"modified":"2015-07-26T10:16:34","modified_gmt":"2015-07-26T02:16:34","slug":"translate%e7%94%a810%e8%a1%8cpython%e5%86%99%e6%88%90%e7%9a%84%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/2409.html","title":{"rendered":"[translate]\u752810\u884cPython\u5199\u6210\u7684\u6a21\u7cca\u67e5\u8be2"},"content":{"rendered":"
\u5bfc\u8bed\uff1a<\/h6>\n

\u6a21\u7cca\u5339\u914d\u53ef\u4ee5\u7b97\u662f\u73b0\u4ee3\u7f16\u8f91\u5668(\u5728\u9009\u62e9\u6253\u5f00\u6587\u4ef6\u65f6)\u7684\u4e00\u4e2a\u5fc5\u5907\u7279\u6027\u4e86\uff0c\u5b83\u6240\u505a\u7684\u5c31\u662f\u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u90e8\u5206\u5185\u5bb9\u731c\u6d4b\u7528\u6237\u60f3\u8981\u7684\u6587\u4ef6\u540d\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u63a8\u8350\u5217\u8868\u4f9b\u7528\u6237\u9009\u62e9\u3002<\/p>\n

\u6837\u4f8b\u5982\u4e0b\uff1a<\/h6>\n

Vim (Ctrl-P)<\/p>\n

\"medium_vim-ctrl-p\"<\/a><\/p>\n

Sublime Text (Cmd-P)<\/p>\n

\"medium_subl-cmd-p\"<\/a><\/p>\n

‘\u6a21\u7cca\u5339\u914d’\u8fd9\u662f\u4e00\u4e2a\u6781\u4e3a\u6709\u7528\u7684\u7279\u6027\uff0c\u540c\u65f6\u4e5f\u975e\u5e38\u6613\u4e8e\u5b9e\u73b0\u3002<\/p>\n

\u95ee\u9898\u5206\u6790\uff1a<\/h6>\n

\u6211\u4eec\u6709\u4e00\u5806\u5b57\u7b26\u4e32(\u6587\u4ef6\u540d)\u96c6\u5408\uff0c\u6211\u4eec\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u4e0d\u65ad\u8fdb\u884c\u8fc7\u6ee4\uff0c\u7528\u6237\u7684\u8f93\u5165\u53ef\u80fd\u662f\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u3002\u6211\u4eec\u5c31\u4ee5\u4e0b\u9762\u7684\u96c6\u5408\u4e3a\u4f8b\uff1a<\/p>\n

>>> collection = ['django_migrations.py',\n                'django_admin_log.py',\n                'main_generator.py',\n                'migrations.py',\n                'api_user.doc',\n                'user_group.doc',\n                'accounts.txt',\n                ]<\/pre>\n
\u5f53\u7528\u6237\u8f93\u5165’djm’\u5b57\u7b26\u4e32\u65f6\uff0c\u6211\u4eec\u5047\u5b9a\u662f\u5339\u914d\u5230’dj<\/strong><\/span>ango_m<\/strong><\/span>igrations.py’\u548c’dj<\/strong><\/span>ango_adm<\/strong><\/span>in_log.py’\uff0c\u800c\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a<\/h5>\n
1.\u5e38\u89c4\u7684\u6b63\u5219\u5339\u914d\uff1a<\/h6>\n
\u5c06’djm’\u8f6c\u6362\u6210’d.*j.*m’\u7136\u540e\u7528\u8fd9\u4e2a\u6b63\u5219\u5c1d\u8bd5\u5339\u914d\u96c6\u5408\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u5339\u914d\u5230\u4e86\u5c31\u88ab\u5217\u4e3a\u5019\u9009\u3002<\/p>\n
>>> import re\n>>> def fuzzyfinder(user_input, collection):\n        suggestions = []\n        pattern = '.*'.join(user_input) # Converts 'djm' to 'd.*j.*m'\n        regex = re.compile(pattern)     # Compiles a regex.\n        for item in collection:\n            match = regex.search(item)  # Checks if the current item matches the regex.\n            if match:\n                suggestions.append(item)\n        return suggestions\n\n>>> print fuzzyfinder('djm', collection)\n['django_migrations.py', 'django_admin_log.py']\n\n>>> print fuzzyfinder('mig', collection)\n['django_migrations.py', 'django_admin_log.py', 'main_generator.py', 'migrations.py']<\/pre>\n
\u8fd9\u91cc\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u6211\u4eec\u5f97\u5230\u4e86\u4e00\u4e2a\u63a8\u8350\u5217\u8868\uff0c\u4f46\u662f\u63a8\u8350\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u4e32\u662f\u6ca1\u6709\u8fdb\u884c\u91cd\u8981\u6027\u533a\u5206\u7684\u3002\u6709\u53ef\u80fd\u51fa\u73b0\u6700\u5408\u9002\u7684\u5339\u914d\u9879\u88ab\u653e\u5230\u4e86\u6700\u540e\u7684\u60c5\u51b5\u3002<\/p>\n
\u5b9e\u9645\u4e0a\uff0c\u8fd8\u662f\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u5f53\u7528\u6237\u8f93\u5165’mig’\u65f6\uff0c\u6700\u4f73\u9009\u9879’mig<\/strong><\/span>rations.py’\u5c31\u88ab\u653e\u5230\u4e86\u6700\u540e\u3002<\/p>\n
2.\u5e26\u6709rank\u6392\u5e8f\u7684\u5339\u914d\u5217\u8868<\/h6>\n
\u8fd9\u91cc\u6211\u4eec\u5bf9\u5339\u914d\u5230\u7684\u7ed3\u679c\u6309\u7167\u5339\u914d\u5185\u5bb9\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u8d77\u59cb\u4f4d\u7f6e\u6765\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n
'main_generator.py'     - 0\n'migrations.py'         - 0\n'django_migrations.py'  - 7\n'django_admin_log.py'   - 9<\/pre>\n
\u4e0b\u9762\u662f\u76f8\u5173\u4ee3\u7801\uff1a<\/p>\n
>>> import re\n>>> def fuzzyfinder(user_input, collection):\n        suggestions = []\n        pattern = '.*'.join(user_input) # Converts 'djm' to 'd.*j.*m'\n        regex = re.compile(pattern)     # Compiles a regex.\n        for item in collection:\n            match = regex.search(item)  # Checks if the current item matches the regex.\n            if match:\n                suggestions.append((match.start(), item))\n        return [x for _, x in sorted(suggestions)]\n\n>>> print fuzzyfinder('mig', collection)\n['main_generator.py', 'migrations.py', 'django_migrations.py', 'django_admin_log.py']<\/pre>\n
\u8fd9\u6b21\u6211\u4eec\u751f\u6210\u4e86\u4e00\u4e2a\u7531\u4e8c\u5143tuple\u7ec4\u6210\u7684\u5217\u8868\uff0c\u5373\u5217\u8868\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e3a\u4e00\u4e2a\u4e8c\u5143tuple\uff0c\u800c\u8be5\u4e8c\u5143tuple\u7684\u7b2c\u4e00\u4e2a\u503c\u4e3a\u5339\u914d\u5230\u7684\u8d77\u59cb\u4f4d\u7f6e\u3001\u7b2c\u4e8c\u4e2a\u503c\u4e3a\u5bf9\u5e94\u7684\u6587\u4ef6\u540d\uff0c\u7136\u540e\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6309\u7167\u5339\u914d\u5230\u7684\u4f4d\u7f6e\u8fdb\u884c\u6392\u5e8f\u5e76\u8fd4\u56de\u6587\u4ef6\u540d\u5217\u8868\u3002<\/p>\n
\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u5f88\u63a5\u8fd1\u6700\u7ec8\u7684\u7ed3\u679c\u4e86\uff0c\u4f46\u8fd8\u79f0\u4e0d\u4e0a\u5b8c\u7f8e\u2014\u2014\u7528\u6237\u60f3\u8981\u7684\u662f’mig<\/strong><\/span>ration.py’\uff0c\u4f46\u6211\u4eec\u5374\u628a’main_generator.py’\u4f5c\u4e3a\u7b2c\u4e00\u63a8\u8350\u3002<\/p>\n
3.\u6839\u636e\u5339\u914d\u7684\u7d27\u51d1\u7a0b\u5ea6\u8fdb\u884c\u6392\u5e8f<\/h6>\n
\u5f53\u7528\u6237\u5f00\u59cb\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\u65f6\uff0c\u4ed6\u4eec\u503e\u5411\u4e8e\u8f93\u5165\u8fde\u7eed\u7684\u5b57\u7b26\u4ee5\u8fdb\u884c\u7cbe\u786e\u5339\u914d\u3002\u6bd4\u5982\u5f53\u7528\u6237\u8f93\u5165’mig’\u4ed6\u4eec\u66f4\u503e\u5411\u4e8e\u627e\u7684\u662f’mig<\/strong><\/span>rations.py’\u6216’django_mig<\/strong><\/span>rations.py’\uff0c\u800c\u4e0d\u662f’main_generator.py’\uff0c\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u6240\u505a\u7684\u6539\u53d8\u5c31\u662f\u67e5\u627e\u5339\u914d\u5230\u7684\u6700\u7d27\u51d1\u7684\u9879\u76ee\u3002<\/p>\n
\u521a\u624d\u63d0\u5230\u7684\u95ee\u9898\u5bf9\u4e8ePython\u6765\u8bf4\u4e0d\u7b97\u4ec0\u4e48\u4e8b\uff0c\u56e0\u4e3a\u5f53\u6211\u4eec\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u5b57\u7b26\u4e32\u5339\u914d\u65f6\uff0c\u5339\u914d\u5230\u7684\u5b57\u7b26\u4e32\u5c31\u5df2\u7ecf\u88ab\u5b58\u653e\u5728\u4e86match.group()\u4e2d\u4e86\u3002\u4e0b\u9762\u5047\u8bbe\u8f93\u5165\u4e3a’mig’\uff0c\u5bf9\u6700\u521d\u5b9a\u4e49\u7684’collection’\u7684\u5339\u914d\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n
regex = '(m.*i.*g)'\n\n'main_generator.py'    ->  'main_g'\n'migrations.py'        ->  'mig'\n'django_migrations.py' ->  'mig'\n'django_admin_log.py'  ->  'min_log'<\/pre>\n
\u8fd9\u91cc\u6211\u4eec\u5c06\u63a8\u8350\u5217\u8868\u505a\u6210\u4e86\u4e09\u5143tuple\u7684\u5217\u8868\u7684\u5f62\u5f0f\uff0c\u5373\u63a8\u8350\u5217\u8868\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e3a\u4e00\u4e2a\u4e09\u5143tuple\uff0c\u800c\u8be5\u4e09\u5143tuple\u7684\u7b2c\u4e00\u4e2a\u503c\u4e3a\u5339\u914d\u5230\u7684\u5185\u5bb9\u7684\u957f\u5ea6<\/strong><\/span>\u3001\u7b2c\u4e8c\u4e2a\u503c\u4e3a\u5339\u914d\u5230\u7684\u8d77\u59cb\u4f4d\u7f6e<\/span><\/strong>\u3001\u7b2c\u4e09\u4e2a\u503c\u4e3a\u5bf9\u5e94\u7684\u6587\u4ef6\u540d<\/strong>\uff0c\u7136\u540e\u6309\u7167\u5339\u914d\u957f\u5ea6\u548c\u8d77\u59cb\u4f4d\u7f6e\u8fdb\u884c\u6392\u5e8f\u5e76\u8fd4\u56de\u3002<\/p>\n
>>> import re\n>>> def fuzzyfinder(user_input, collection):\n        suggestions = []\n        pattern = '.*'.join(user_input) # Converts 'djm' to 'd.*j.*m'\n        regex = re.compile(pattern)     # Compiles a regex.\n        for item in collection:\n            match = regex.search(item)  # Checks if the current item matches the regex.\n            if match:\n                suggestions.append((len(match.group()), match.start(), item))\n        return [x for _, _, x in sorted(suggestions)]\n\n>>> print fuzzyfinder('mig', collection)\n['migrations.py', 'django_migrations.py', 'main_generator.py', 'django_admin_log.py']<\/pre>\n
\u9488\u5bf9\u6211\u4eec\u7684\u8f93\u5165\uff0c\u8fd9\u65f6\u5019\u7684\u5339\u914d\u7ed3\u679c\u5df2\u7ecf\u8d8b\u5411\u4e8e\u5b8c\u7f8e\u4e86\uff0c\u4e0d\u8fc7\u8fd8\u6ca1\u5b8c\u3002<\/p>\n
4.\u975e\u8d2a\u5a6a\u5339\u914d<\/h6>\n
\u7531 Daniel Rocco<\/a> \u53d1\u73b0\u4e86\u8fd9\u4e00\u5fae\u5999\u7684\u95ee\u9898\uff1a\u5f53\u96c6\u5408\u4e2d\u6709[‘api_user<\/strong><\/span>‘, ‘user<\/strong><\/span>_group’]\u8fd9\u4e24\u4e2a\u5143\u7d20\u5b58\u5728\uff0c\u7528\u6237\u8f93\u5165’user’\u65f6\uff0c\u9884\u671f\u7684\u5339\u914d\u7ed3\u679c(\u76f8\u5bf9\u987a\u5e8f)\u5e94\u8be5\u4e3a[‘user_group’, ‘api_user’]\uff0c\u4f46\u5b9e\u9645\u4e0a\u7684\u7ed3\u679c\u4e3a\uff1a<\/p>\n
>>> print fuzzyfinder('user', collection)\n['api_user.doc', 'user_group.doc']<\/pre>\n
\u4e0a\u9762\u7684\u6d4b\u8bd5\u7ed3\u679c\u4e2d\uff1a’api_user’\u8981\u6392\u5728’user_group’\u524d\u9762\u3002\u6df1\u5165\u4e00\u70b9\uff0c\u6211\u4eec\u53d1\u73b0\u8fd9\u662f\u56e0\u4e3a\u5728\u641c\u7d22’user’\u65f6\uff0c\u6b63\u5219\u88ab\u6269\u5c55\u6210\u4e86’u.*s.*e.*r’\uff0c\u8003\u8651\u5230’user_group’\u67092\u4e2a’rs’\uff0c\u56e0\u6b64\u8be5\u6a21\u5f0f\u5339\u914d\u5230\u4e86’user_gr<\/strong><\/span>‘\u800c\u4e0d\u662f\u6211\u4eec\u9884\u671f\u7684’user<\/strong><\/span>‘\u3002\u66f4\u957f\u7684\u5339\u914d\u5bfc\u81f4\u5728\u6700\u540e\u7684\u5339\u914drank\u6392\u5e8f\u65f6\u540d\u6b21\u4e0b\u964d\u8fd9\u4e00\u8fdd\u53cd\u76f4\u89c9\u7684\u7ed3\u679c\uff0c\u4e0d\u8fc7\u8fd9\u95ee\u9898\u4e5f\u5bb9\u6613\u89e3\u51b3\uff0c\u5c06\u6b63\u5219\u4fee\u6539\u4e3a’\u975e\u8d2a\u5a6a\u5339\u914d’\u5373\u53ef\u3002<\/p>\n
>>> import re\n>>> def fuzzyfinder(user_input, collection):\n        suggestions = []\n        pattern = '.*?'.join(user_input)    # Converts 'djm' to 'd.*?j.*?m'\n        regex = re.compile(pattern)         # Compiles a regex.\n        for item in collection:\n            match = regex.search(item)      # Checks if the current item matches the regex.\n            if match:\n                suggestions.append((len(match.group()), match.start(), item))\n        return [x for _, _, x in sorted(suggestions)]\n\n>>> fuzzyfinder('user', collection)\n['user_group.doc', 'api_user.doc']\n\n>>> print fuzzyfinder('mig', collection)\n['migrations.py', 'django_migrations.py', 'main_generator.py', 'django_admin_log.py']<\/pre>\n
\u73b0\u5728\uff0cfuzzyfinder\u5df2\u7ecf\u53ef\u4ee5(\u5728\u4e0a\u9762\u7684\u60c5\u51b5\u4e2d)\u6b63\u5e38\u5de5\u4f5c\u4e86\uff0c\u800c\u6211\u4eec\u4e0d\u8fc7\u53ea\u5199\u4e8610\u884c\u4ee3\u7801\u5c31\u5b9e\u73b0\u4e86\u4e00\u4e2a fuzzy finder\u3002<\/p>\n
\u7ed3\u8bba\uff1a<\/h6>\n
\u4ee5\u4e0a\u5c31\u662f\u6211\u5728\u6211\u7684 pgcli<\/a> \u9879\u76ee(\u4e00\u4e2a\u6709\u81ea\u52a8\u8865\u5168\u529f\u80fd\u7684Postgresql\u547d\u4ee4\u884c\u5b9e\u73b0)\u4e2d\u8bbe\u8ba1\u5b9e\u73b0’fuzzy matching’\u7684\u8fc7\u7a0b\u8bb0\u5f55\u3002<\/p>\n
\u6211\u5df2\u7ecf\u5c06 fuzzyfinder<\/a> \u63d0\u53d6\u6210\u4e00\u4e2a\u72ec\u7acb\u7684Python\u5305\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4’pip install fuzzyfinder’\u5728\u4f60\u7684\u9879\u76ee\u4e2d\u8fdb\u884c\u5b89\u88c5\u548c\u4f7f\u7528\u3002<\/p>\n
\u611f\u8c22 Micah Zoltu<\/a> \u548c Daniel Rocco<\/a> \u5bf9\u7b97\u6cd5\u7684\u68c0\u67e5\u548c\u95ee\u9898\u4fee\u590d\u3002<\/p>\n
\u5982\u679c\u4f60\u5bf9\u8fd9\u4e2a\u611f\u5174\u8da3\u7684\u8bdd\uff0c\u4f60\u53ef\u4ee5\u6765 twitter<\/a> \u4e0a\u627e\u6211\u3002<\/p>\n
\u7ed3\u8bed\uff1a<\/h6>\n
\u5f53\u6211\u7b2c\u4e00\u6b21\u8003\u8651\u7528Python\u5b9e\u73b0’fuzzy matching’\u7684\u65f6\u5019\uff0c\u6211\u5c31\u77e5\u9053\u4e00\u4e2a\u53eb\u505a fuzzywuzzy<\/a> \u7684\u4f18\u79c0\u5e93\uff0c\u4f46\u662f fuzzywuzzy \u7684\u505a\u6cd5\u548c\u8fd9\u91cc\u7684\u4e0d\u592a\u4e00\u6837\uff0c\u5b83\u4f7f\u7528\u7684\u662f ‘levenshtein distance<\/a>‘ \u6765\u4ece\u96c6\u5408\u4e2d\u627e\u5230\u6700\u5339\u914d\u7684\u5b57\u7b26\u4e32\u3002’levenshtein distance’\u662f\u4e00\u4e2a\u975e\u5e38\u9002\u5408\u7528\u6765\u505a\u81ea\u52a8\u66f4\u6b63\u62fc\u5199\u9519\u8bef\u7684\u6280\u672f\uff0c\u4f46\u5728\u4ece\u90e8\u5206\u5b50\u4e32\u5339\u914d\u957f\u6587\u4ef6\u540d\u65f6\u8868\u73b0\u7684\u4e0d\u592a\u597d(\u6240\u4ee5\u8fd9\u91cc\u6ca1\u6709\u4f7f\u7528)\u3002<\/p>\n
\u82f1\u6587\u539f\u6587<\/strong>\uff1ahttp:\/\/blog.amjith.com\/fuzzyfinder-in-10-lines-of-python<\/a><\/p>\n
=EOF=<\/p>\n","protected":false},"excerpt":{"rendered":"
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