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📛 NAME

opcode

🚀 Quick Reference

Use Case	Command	Description
Look up opcode number	opcode.opmap['LOAD_CONST']	Get integer opcode from name
Get opcode name	opcode.opname[100]	Retrieve human-readable name from number
Check argument threshold	opcode.HAVE_ARGUMENT	Minimum opcode value that requires an argument
Compute stack effect	opcode.stack_effect(opcode, oparg)	Calculate net stack change of an instruction
List all opcodes	opcode.opmap	Dictionary mapping bytecode names to numbers
List opcode names	opcode.opname	Indexed list of bytecode names
Check if opcode is a jump	opcode.hasjrel / opcode.hasjabs	Lists of opcodes with relative/absolute jumps

🔗 MODULE REFERENCE

https://docs.python.org/3.10/library/opcode.html

The following documentation is automatically generated from the Python source files. It may be incomplete, incorrect or include features that are considered implementation detail and may vary between Python implementations. When in doubt, consult the module reference at the location listed above.

📘 DESCRIPTION

opcode module - potentially shared between dis and other modules which operate on bytecodes (e.g. peephole optimizers).

⚙️ FUNCTIONS

🧮 stack_effect

stack_effect(opcode, oparg=None, /, *, jump=None)

Compute the stack effect of the opcode.

📊 DATA

• EXTENDED_ARG = 144
• HAVE_ARGUMENT = 90
• __all__ = ['cmp_op', 'hasconst', 'hasname', 'hasjrel', 'hasjabs', 'has...']
• cmp_op = ('<', '<=', '==', '!=', '>', '>=')
• hascompare = [107]
• hasconst = [100]
• hasfree = [135, 136, 137, 138, 148]
• hasjabs = [111, 112, 113, 114, 115, 121]
• hasjrel = [93, 110, 122, 143, 154]
• haslocal = [124, 125, 126]
• hasname = [90, 91, 95, 96, 97, 98, 101, 106, 108, 109, 116, 160]
• hasnargs = []
• opmap = {'BEFORE_ASYNC_WITH': 52, 'BINARY_ADD': 23, 'BINARY_AND': 64, ...}
• opname = ['<0>', 'POP_TOP', 'ROT_TWO', 'ROT_THREE', 'DUP_TOP', 'DUP_TO...']

📁 FILE

/usr/lib/python3.10/opcode.py

📛 NAME 🚀 Quick Reference 🔗 MODULE REFERENCE 📘 DESCRIPTION ⚙️ FUNCTIONS 📊 DATA 📁 FILE