src/backend/metadata.py


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#!/usr/bin/python3

import animation
import os
import shutil
import subprocess
import sisyphus.filesystem

def regenMetadata():
    if os.path.isdir(sisyphus.filesystem.portageMetadataDir):
        for files in os.listdir(sisyphus.filesystem.portageMetadataDir):
            if os.path.isfile(os.path.join(sisyphus.filesystem.portageMetadataDir, files)):
                os.remove(os.path.join(sisyphus.filesystem.portageMetadataDir, files))
            else:
                shutil.rmtree(os.path.join(sisyphus.filesystem.portageMetadataDir, files))

    portageExecStage1 = subprocess.Popen(['emerge', '--quiet', '--regen'], stdout=subprocess.PIPE)
    portageExecStage1.wait()
    portageExecStage2 = subprocess.Popen(['emerge', '--quiet', '--metadata'], stdout=subprocess.PIPE)
    portageExecStage2.wait()

def regenSilent():
    regenMetadata()

@animation.wait("regenerating package metadata")
def regenAnimated():
    regenMetadata()