eric6/WebBrowser/Download/DownloadUtilities.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
91e843545d9a
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

# -*- coding: utf-8 -*-

# Copyright (c) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing some utility functions for the Download package.
"""

from PyQt5.QtCore import QCoreApplication


def timeString(timeRemaining):
    """
    Module function to format the given time.
    
    @param timeRemaining time to be formatted
    @type float
    @return time string
    @rtype str
    """
    if timeRemaining < 10:
        return QCoreApplication.translate(
            "DownloadUtilities", "few seconds remaining")
    elif timeRemaining < 60:    # < 1 minute
        seconds = int(timeRemaining)
        return QCoreApplication.translate(
            "DownloadUtilities", "%n seconds remaining", "", seconds)
    elif timeRemaining < 3600:  # < 1 hour
        minutes = int(timeRemaining / 60)
        return QCoreApplication.translate(
            "DownloadUtilities", "%n minutes remaining", "", minutes)
    else:
        hours = int(timeRemaining / 3600)
        return QCoreApplication.translate(
            "DownloadUtilities", "%n hours remaining", "", hours)


def dataString(size):
    """
    Module function to generate a formatted size string.
    
    @param size size to be formatted
    @type int
    @return formatted data string
    @rtype str
    """
    if size < 1024:
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.1f} Bytes").format(size)
    elif size < 1024 * 1024:
        size /= 1024
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.1f} KiB").format(size)
    elif size < 1024 * 1024 * 1024:
        size /= 1024 * 1024
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.2f} MiB").format(size)
    else:
        size /= 1024 * 1024 * 1024
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.2f} GiB").format(size)


def speedString(speed):
    """
    Module function to generate a formatted speed string.
    
    @param speed speed to be formatted
    @type float
    @return formatted speed string
    @rtype str
    """
    if speed < 0:
        return QCoreApplication.translate("DownloadUtilities", "Unknown speed")
    
    speed /= 1024       # kB
    if speed < 1024:
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.1f} KiB/s").format(speed)
    
    speed /= 1024       # MB
    if speed < 1024:
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.2f} MiB/s").format(speed)
    
    speed /= 1024       # GB
    if speed < 1024:
        return QCoreApplication.translate(
            "DownloadUtilities", "{0:.2f} GiB/s").format(speed)
    
    return ""

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