![\"python\u5982\u4f55debug\u653b\u7565\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25072147\/38442eb8-c2e6-4d93-810c-016df3cbcf85.webp\")
<\/p>\n<\/p>\n
\u5f00\u5934\u6bb5\u843d\uff1a Python\u7684pdb\u6a21\u5757\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5185\u7f6e\u8c03\u8bd5\u5de5\u5177\uff0c\u9002\u5408\u7528\u4e8e\u8c03\u8bd5Python\u4ee3\u7801\u3002<\/p>\n<\/p>\n \u8981\u4f7f\u7528pdb\u8fdb\u884c\u8c03\u8bd5\uff0c\u53ea\u9700\u5728\u4ee3\u7801\u4e2d\u63d2\u5165 \u9664\u4e86\u76f4\u63a5\u4f7f\u7528 \u65e5\u5fd7\u8bb0\u5f55\u662f\u8c03\u8bd5\u7684\u4e00\u79cd\u91cd\u8981\u65b9\u5f0f\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\u4e2d\u6216\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u3002<\/p>\n<\/p>\n Python\u63d0\u4f9b\u4e86logging\u6a21\u5757\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u65e5\u5fd7\u4fe1\u606f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u6216\u6587\u4ef6\u4e2d\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\uff08DEBUG\u3001INFO\u3001WARNING\u3001ERROR\u3001CRITICAL\uff09\uff0c\u4f60\u53ef\u4ee5\u63a7\u5236\u54ea\u4e9b\u4fe1\u606f\u88ab\u8bb0\u5f55\u3002<\/p>\n<\/p>\n logging.basicConfig(level=logging.DEBUG)<\/p>\n logging.debug('This is a debug message')<\/p>\n <\/code><\/pre>\n<\/p>\n \u65e5\u5fd7\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u4f60\u8ddf\u8e2a\u7a0b\u5e8f\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u8fd8\u80fd\u5728\u7a0b\u5e8f\u51fa\u9519\u65f6\u63d0\u4f9b\u6709\u7528\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u901a\u8fc7\u5206\u6790\u65e5\u5fd7\uff0c\u4f60\u53ef\u4ee5\u66f4\u5feb\u5730\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\uff0c\u5c24\u5176\u662f\u5728\u590d\u6742\u7684\u7cfb\u7edf\u4e2d\u3002<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u5f02\u5e38\u5904\u7406\u662f\u4fdd\u8bc1\u7a0b\u5e8f\u5065\u58ee\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u8fc7\u5408\u7406\u7684\u5f02\u5e38\u6355\u83b7\u548c\u5904\u7406\uff0c\u53ef\u4ee5\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\uff0c\u5e76\u63d0\u4f9b\u6709\u7528\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/p>\n \u4f7f\u7528try-except\u8bed\u53e5\u53ef\u4ee5\u6355\u83b7\u7a0b\u5e8f\u8fd0\u884c\u65f6\u7684\u5f02\u5e38\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff1a<\/p>\n<\/p>\n # \u53ef\u80fd\u53d1\u751f\u5f02\u5e38\u7684\u4ee3\u7801<\/p>\n result = 10 \/ 0<\/p>\n except ZeroDivisionError as e:<\/p>\n print(f"Caught an exception: {e}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5b9a\u4e49\u81ea\u5df1\u7684\u5f02\u5e38\u7c7b\u578b\uff0c\u4ee5\u4fbf\u66f4\u7cbe\u786e\u5730\u5904\u7406\u7279\u5b9a\u7684\u9519\u8bef\u60c5\u5f62\u3002\u81ea\u5b9a\u4e49\u5f02\u5e38\u53ef\u4ee5\u7ee7\u627f\u81eaPython\u7684Exception\u7c7b\uff1a<\/p>\n<\/p>\n pass<\/p>\n <\/code><\/pre>\n<\/p>\n \u5355\u5143\u6d4b\u8bd5\u662f\u4e00\u79cd\u6709\u6548\u7684\u8c03\u8bd5\u548c\u9a8c\u8bc1\u5de5\u5177\uff0c\u80fd\u591f\u786e\u4fdd\u4ee3\u7801\u5728\u4fee\u6539\u65f6\u4ecd\u7136\u4fdd\u6301\u6b63\u786e\u6027\u3002<\/p>\n<\/p>\n Python\u7684unittest\u6a21\u5757\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5355\u5143\u6d4b\u8bd5\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u9a8c\u8bc1\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u9c81\u68d2\u6027\u3002<\/p>\n<\/p>\n def add(a, b):<\/p>\n return a + b<\/p>\n class TestMathFunctions(unittest.TestCase):<\/p>\n def test_add(self):<\/p>\n self.assertEqual(add(1, 2), 3)<\/p>\n
Python\u8c03\u8bd5\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u7684\u8c03\u8bd5\u5de5\u5177\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001\u65ad\u70b9\u548c\u5355\u6b65\u6267\u884c\u3001\u5f02\u5e38\u5904\u7406\u7b49\u65b9\u6cd5\u6765\u8fdb\u884c\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528Python\u7684\u5185\u7f6e\u8c03\u8bd5\u5de5\u5177\uff08\u5982pdb\u6a21\u5757\uff09\u662f\u6700\u4e3a\u76f4\u63a5\u548c\u6709\u6548\u7684\u65b9\u5f0f\u3002pdb\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u4ea4\u4e92\u5f0f\u8c03\u8bd5\u73af\u5883\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u9010\u6b65\u6267\u884c\u4ee3\u7801\u3001\u68c0\u67e5\u53d8\u91cf\u503c\u3001\u8bbe\u7f6e\u65ad\u70b9\u7b49\u3002\u4f7f\u7528pdb\u8fdb\u884c\u8c03\u8bd5\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u63d2\u5165 import pdb; pdb.set_trace()<\/code> \u6765\u542f\u52a8\u8c03\u8bd5\u4f1a\u8bdd\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u7a0b\u5e8f\u7684\u7279\u5b9a\u4f4d\u7f6e\u6682\u505c\u6267\u884c\uff0c\u5e76\u8fdb\u5165\u8c03\u8bd5\u6a21\u5f0f\u3002\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u4f60\u53ef\u4ee5\u9010\u884c\u6267\u884c\u4ee3\u7801\u3001\u67e5\u770b\u548c\u4fee\u6539\u53d8\u91cf\u3001\u8c03\u7528\u51fd\u6570\u7b49\uff0c\u4ece\u800c\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\u5e76\u627e\u51fa\u95ee\u9898\u6240\u5728\u3002<\/p>\n<\/p>\n\u4e00\u3001\u4f7f\u7528PDB\u8fdb\u884c\u8c03\u8bd5<\/h2>\n<\/p>\n
1.1 PDB\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n
import pdb; pdb.set_trace()<\/code>\uff0c\u8fd9\u6837\u7a0b\u5e8f\u5728\u8fd0\u884c\u5230\u8be5\u884c\u65f6\u4f1a\u6682\u505c\uff0c\u5e76\u8fdb\u5165pdb\u4ea4\u4e92\u6a21\u5f0f\u3002\u5728\u8fd9\u4e2a\u6a21\u5f0f\u4e0b\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u547d\u4ee4\u6765\u63a7\u5236\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/p>\n<\/p>\n\n
1.2 \u8bbe\u7f6e\u65ad\u70b9<\/h3>\n<\/p>\n
set_trace()<\/code> \u8fdb\u884c\u8c03\u8bd5\u5916\uff0c\u4f60\u8fd8\u53ef\u4ee5\u5728pdb\u4e2d\u52a8\u6001\u8bbe\u7f6e\u65ad\u70b9\u3002\u4f7f\u7528 break<\/code> \u547d\u4ee4\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\uff0c\u6bd4\u5982 break filename:line_number<\/code>\u3002\u5728\u7a0b\u5e8f\u8fd0\u884c\u4e2d\uff0c\u8fd9\u4e9b\u65ad\u70b9\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6682\u505c\u7a0b\u5e8f\u5e76\u68c0\u67e5\u5f53\u524d\u7684\u6267\u884c\u72b6\u6001\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u5229\u7528\u65e5\u5fd7\u8bb0\u5f55<\/h2>\n<\/p>\n
2.1 Python\u7684Logging\u6a21\u5757<\/h3>\n<\/p>\n
import logging<\/p>\n2.2 \u65e5\u5fd7\u7684\u597d\u5904<\/h3>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5f02\u5e38\u5904\u7406<\/h2>\n<\/p>\n
3.1 try-except\u8bed\u53e5<\/h3>\n<\/p>\n
try:<\/p>\n3.2 \u81ea\u5b9a\u4e49\u5f02\u5e38<\/h3>\n<\/p>\n
class MyCustomError(Exception):<\/p>\n\u56db\u3001\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5<\/h2>\n<\/p>\n
4.1 \u7f16\u5199\u5355\u5143\u6d4b\u8bd5<\/h3>\n<\/p>\n
import unittest<\/p>\n