Ọrụ Chained na Python Bytecode

\u003ch2\u003e Usoro ntinye aka na Python Bytecode\u003c/h2\u003e \u003cp\u003e Isiokwu a na-enye nghọta bara uru na ozi gbasara isiokwu ya, na-enye aka na ịkekọrịta ihe ọmụma na nghọta.\u003c/p\u003e \u003ch3\u003e Key Takeaways\u003c/h3\u003e \u003cp\u003e Ndị na-agụ nwere ike ịtụ anya inweta:\u003c/p\u003e \u003cul\u003e \u003c\u003e Nghọta miri emi nke isi okwu\u003c/li\u003e \u003c\u003e Ngwa bara uru na ezigbo mkpa ụwa\u003c/li\u003e \u003c\u003e Echiche ndị ọkachamara na nyocha\u003c/li\u003e \u003c\u003e ozi emelitere maka mmepe ugbu a\u003c/li\u003e \u003c/ul\u003e \u003ch3\u003e Atụmatụ bara uru\u003c/h3\u003e \u003cp\u003e Ọdịnaya dị mma dị ka nke a na-enyere aka wulite ihe ọmụma ma kwalite ime mkpebi ziri ezi na ngalaba dị iche iche.\u003c/p\u003e

Ajụjụ a na-ajụkarị

Gịnị bụ ọrụ agbakọtara na Python?

Akụkụ ọrụ na-enye gị ohere ikenye otu uru ahụ n'ọtụtụ mgbanwe na otu nkwupụta, dị ka a = b = c = 10. N'ọkwa bytecode, Eke Ọgba na-enyocha okwu aka nri otu ugboro, wee megharịa nsonaazụ ya na tojupụtara site na iji DUP_TOP wee chekwaa ya n'ime ebumnuche ọ bụla site n'aka ekpe gaa n'aka nri. Nke a na-eme ka ọrụ agbụ ígwè dị nkenke na nke ọma ma e jiri ya tụnyere ide nkwupụta ọrụ dị iche iche.

Kedụ ka Python bytecode si ejikwa ọrụ ndị nwere eriri dị iche na ọtụtụ ọrụ?

Site n'ọrụ agbụ agbụ, a na-enyocha okwu ahụ naanị otu ugboro, a na-atụgharịkwa uru ọpụtara na nchịkọta maka mgbanwe ebumnuche ọ bụla. N'ụzọ dị iche, dee ọrụ dị iche iche dị ka a = 10; b = 10 na-enyocha okwu nkịtị n'onwe ya maka ahịrị ọ bụla. Ị nwere ike nyochaa omume a site na iji modul Python dis, nke na-ewepụta ọrụ n'ime ntuziaka bytecode ha, na-ekpughe ọrụ DUP_TOP na STORE_NAME metụtara.

Enwere ọnyà nwere ọrụ agbụ agbụ maka ihe a na-agbanwe agbanwe?

Ee — mmejọ a na-ahụkarị bụ ịde a = b = [], nke jikọtara mgbanwe abụọ ahụ na ihe ndepụta otu kama imepụta ndepụta nwere onwe abụọ. Ịgbanwe otu ga-emetụta nke ọzọ. Nke a na-eme n'ihi na bytecode na-emegharị ntụaka ahụ, ọ bụghị ihe ahụ n'onwe ya. Ịghọta omume ọkwa-ọkwa bytecode a na-enyere ndị mmepe aka izere nchinchi dị nro. Mewayz na-ekpuchi semantics mutable vs immutable n'ofe modul Python 207 ya, dị maka $19/mo.

Ebee ka m ga-esi mụtakwuo maka Python bytecode na nrụzi ime ime?

Akwụkwọ

Ihe gọọmentị dis modul bụ nnukwu mmalite maka inyocha ntuziaka bytecode. Maka ụzọ mmụta ahaziri ahazi, aka-na nke na-ekpuchi Python internals n'akụkụ nkà mmemme bara uru, Mewayz na-enye 207 modul emepụtara ọkachamara na $19/mo. Modul ndị a na-aga n'ihu site na echiche ntọala dịka ọrụ mgbanwe site na isiokwu dị elu dị ka nyocha bytecode, njikwa ebe nchekwa, na omume onye ntụgharị.