Python sys Module

This page shows the popular functions and classes defined in the sys module. The items are ordered by their popularity in 40,000 open source Python projects. If you can not find a good example below, you can try the search function to search modules.

• 1. argv()    
  Used in 11365 projects
• 2. exit()    
  Used in 10934 projects
• 3. version_info()    
  Used in 5354 projects
• 4. path()    
  Used in 4814 projects
• 5. stdout()    
  Used in 4341 projects
• 6. stderr()    
  Used in 3898 projects
• 7. modules()    
  Used in 2559 projects
• 8. platform()    
  Used in 2460 projects
• 9. exc_info()    
  Used in 2352 projects
• 10. executable()    
  Used in 1760 projects
• 11. stdin()    
  Used in 1515 projects
• 12. maxsize()    
  Used in 1038 projects
• 13. version()    
  Used in 1024 projects
• 14. _getframe()    
  Used in 577 projects
• 15. setdefaultencoding()    
  Used in 570 projects
• 16. excepthook()    
  Used in 399 projects
• 17. prefix()    
  Used in 395 projects
• 18. getfilesystemencoding()    
  Used in 393 projects
• 19. maxint()    
  Used in 382 projects
• 20. setrecursionlimit()    
  Used in 321 projects
• 21. byteorder()    
  Used in 280 projects
• 22. __stdout__()    
  Used in 269 projects
• 23. getdefaultencoding()    
  Used in 256 projects
• 24. meta_path()    
  Used in 251 projects
• 25. getsizeof()    
  Used in 246 projects
• 26. maxunicode()    
  Used in 227 projects
• 27. hexversion()    
  Used in 223 projects
• 28. builtin_module_names()    
  Used in 169 projects
• 29. dont_write_bytecode()    
  Used in 156 projects
• 30. __stderr__()    
  Used in 143 projects
• 31. exec_prefix()    
  Used in 139 projects
• 32. _MEIPASS    
  Used in 134 projects
• 33. settrace()    
  Used in 133 projects
• 34. __excepthook__()    
  Used in 130 projects
• 35. getwindowsversion()    
  Used in 105 projects
• 36. exc_clear()    
  Used in 93 projects
• 37. _current_frames()    
  Used in 92 projects
• 38. intern()    
  Used in 90 projects
• 39. getrecursionlimit()    
  Used in 89 projects
• 40. getrefcount()    
  Used in 85 projects
• 41. base_prefix()    
  Used in 84 projects
• 42. path_importer_cache()    
  Used in 83 projects
• 43. ps1()    
  Used in 79 projects
• 44. warnoptions()    
  Used in 76 projects
• 45. pypy_version_info()    
  Used in 69 projects
• 46. displayhook()    
  Used in 67 projects
• 47. setdlopenflags()    
  Used in 64 projects
• 48. getdlopenflags()    
  Used in 63 projects
• 49. gettrace()    
  Used in 63 projects
• 50. real_prefix()    
  Used in 61 projects
• 51. abiflags()    
  Used in 61 projects
• 52. exc_value()    
  Used in 56 projects
• 53. exc_type()    
  Used in 54 projects
• 54. last_traceback()    
  Used in 52 projects
• 55. flags()    
  Used in 50 projects
• 56. tracebacklimit()    
  Used in 46 projects
• 57. __stdin__()    
  Used in 45 projects
• 58. ps2()    
  Used in 45 projects
• 59. exits()    
  Used in 45 projects
• 60. exc_traceback()    
  Used in 44 projects
• 61. exitfunc()    
  Used in 44 projects
• 62. path_hooks()    
  Used in 44 projects
• 63. setprofile()    
  Used in 44 projects
• 64. py3kwarning()    
  Used in 44 projects
• 65. last_value()    
  Used in 42 projects
• 66. last_type()    
  Used in 41 projects
• 67. __egginsert()    
  Used in 41 projects
• 68. implementation()    
  Used in 40 projects
• 69. __dict__()    
  Used in 39 projects
• 70. frozen()    
  Used in 39 projects
• 71. __plen()    
  Used in 37 projects
• 72. html()    
  Used in 37 projects
• 73. copyright()    
  Used in 36 projects
• 74. api_version()    
  Used in 36 projects
• 75. call_tracing()    
  Used in 24 projects
• 76. __displayhook__()    
  Used in 23 projects
• 77. gettotalrefcount()    
  Used in 23 projects
• 78. float_info()    
  Used in 23 projects
• 79. dllhandle()    
  Used in 22 projects
• 80. setcheckinterval()    
  Used in 21 projects
• 81. subversion()    
  Used in 19 projects
• 82. std()    
  Used in 17 projects
• 83. getobjects()    
  Used in 17 projects
• 84. func_name()    
  Used in 17 projects
• 85. getfilesystemencodeerrors()    
  Used in 16 projects
• 86. print_exception()    
  Used in 15 projects
• 87. base_exec_prefix()    
  Used in 15 projects
• 88. getcheckinterval()    
  Used in 14 projects
• 89. setswitchinterval()    
  Used in 14 projects
• 90. getprofile()    
  Used in 13 projects
• 91. module()    
  Used in 13 projects
• 92. _clear_type_cache()    
  Used in 12 projects
• 93. spam()    
  Used in 12 projects
• 94. py2_modules()    
  Used in 12 projects
• 95. _called_from_test()    
  Used in 12 projects
• 96. is_finalizing()    
  Used in 12 projects
• 97. py()    
  Used in 11 projects
• 98. __warningregistry__()    
  Used in 10 projects
• 99. args()    
  Used in 9 projects
• 100. float_repr_style()    
  Used in 9 projects
• 101. _excepthook()    
  Used in 9 projects
• 102. getswitchinterval()    
  Used in 8 projects
• 103. getdxp()    
  Used in 8 projects
• 104. floatinfo()    
  Used in 7 projects
• 105. long_info()    
  Used in 7 projects
• 106. __interactivehook__()    
  Used in 7 projects
• 107. winver()    
  Used in 6 projects
• 108. get_asyncgen_hooks()    
  Used in 6 projects
• 109. breakpointhook()    
  Used in 6 projects
• 110. _mercurial()    
  Used in 6 projects
• 111. getallocatedblocks()    
  Used in 6 projects
• 112. filesystemencoding()    
  Used in 6 projects
• 113. write()    
  Used in 5 projects
• 114. arv()    
  Used in 5 projects
• 115. coinit_flags()    
  Used in 5 projects
• 116. e()    
  Used in 5 projects
• 117. set_asyncgen_hooks()    
  Used in 5 projects
• 118. _xoptions()    
  Used in 5 projects