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Format

Python Compiled File

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Summary

Name
Python Compiled File
Version
3.4
Identifiers
PUID: fmt/940
Description
Python automatically compiles a python script before running it, the first time the script runs it will create a .pyc in the same directory as the .py file which will then be used if the script is run again to save time by not having to re-compile the code.
File extensions
pyc
Source
Digital Preservation Department / The National Archives

Internal signatures

PYC 3.4

Note
BOF: EE0C0D0A î…

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
EE0C0D0A
Endianness
None

Changelog

  • Updated in V115

    Release date
    15 November 2023

    Python Compiled File 3.4: Modified the offset values from null to 0 as part of a project to match PRONOM data with the xsd standard. Submitted by Digital Preservation Department, The National Archives (UK) (UK).

  • Added in V86

    Release date
    27 July 2016

    Python Compiled File v3.4: Signature developed through PRONOM Research.

    Python Compiled File 3.4: Full entry added.