mxi `ddlmZddlZddlmZddlmZerddlmZgdZ d dZ d dZ d d Z y) ) annotationsN) TYPE_CHECKING)StreamlitAPIException)Sequence))z.jpgz.jpeg)z.mpgz.mpeg)z.mp4z.mpeg4)z.tifz.tiff)z.htmz.htmlc.tjdk(r_d|vr[|jdd\}}tjj |dr$|tjj |dfS|tjj |dfS)z6Returns the main part of a filename and its extension.nt:)osnamesplitpathsplitext)filename main_filenameads_parts a/home/htdocs/ttos/venv/lib/python3.12/site-packages/streamlit/elements/lib/file_uploader_utils.py _get_main_filename_and_extensionr"s ww$3(?"*..a"8 x 77  H %a ( "''"2"2="A!"DD D RWW%%h/2 22c6t|tr|g}|Dcgc]}|ddk(r|nd|}}|Dcgc]}|j}}tD]9\}}||vr||vr|j |||vs$||vs)|j |;|Scc}wcc}w)Nr.) isinstancestrlower TYPE_PAIRSappend) file_typefile_type_entrytxys rnormalize_upload_file_typer".s)S!K ) +1-4Ao=N:OOI %..q.I. 1 >ay0   Q  >ay0   Q    /s BBcd|vr tdt|\}}|j|Dcgc]}|j}}tfd|Dstd|d|ycc}w)a Ensure the uploaded file's extension matches the allowed types set by the app developer. In theory, this should never happen, since we enforce file type check by extension on the frontend, but we check it on backend before returning file to the user to protect ourselves. z#Filename cannot contain null bytes.c3@K|]}j|yw)N)endswith).0 allowed_typenormalized_filenames r z/enforce_filename_restriction..Us$  $$\2szInvalid file extension: `z `. Allowed: N)rrrany)r allowed_typesr extensionr(normalized_allowed_typesr)s @renforce_filename_restrictionr/Ds x#$IJJ?IM9'--/IVW 2 2 4WW 4 $' {,}o N    XsA2)rrreturnztuple[str, str])rzstr | Sequence[str]r0 Sequence[str])rrr,r1r0None) __future__rr typingrstreamlit.errorsrcollections.abcrrrr"r/rrr8s/# 2(  3, r