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Solving Economic Crisis Without Work-From-Home: A Systems Approach to Resource Prioritization

  1. The Economic Problem: Diagnosing the Crisis Type 1.1 Crisis Typology and Sector Dynamics Currency crises typically emerge from one or more of these imbalances: Current account deficits — Imports exceed exports; forex drains to cover the gap Capital account withdrawal — Foreign investors exit; hot money leaves Inflation-driven overvaluation — Real exchange rate strengthens despite nominal devaluation Debt servicing burden — External debt payouts drain reserves faster than exports can cover The empirical record shows that currency crises are sectoral crises —not aggregate demand crises. When Argentina devalued 75% in 2001, the economy contracted 10.9%, but manufacturing capacity utilization recovered within 18 months because input costs fell (Hausmann & Velasco, 2002). When Vietnam reformed in 1986, manufacturing capacity expansion drove recovery before demand-side effects materialized. Critical insight: Resource reallocation works when the constraint is supply-sid...

Python Project Youtube Video Downloader With PyQt5

from PyQt5 import QtWidgets, QtCore
from pytube import YouTube
from bs4 import BeautifulSoup
import requests
import sys
import pandas as pd

class YouTubeDownloader(QtWidgets.QWidget):
    def __init__(self):
        super().__init__()
        self.init_ui()

    def init_ui(self):
        # Layout setup
        self.url_label = QtWidgets.QLabel('YouTube URL:')
        self.url_input = QtWidgets.QLineEdit(self)
        self.fetch_btn = QtWidgets.QPushButton('Fetch Video Info', self)
        self.video_info = QtWidgets.QTextBrowser(self)
        self.download_btn = QtWidgets.QPushButton('Download Video', self)

        # Format and Resolution Selection
        self.format_label = QtWidgets.QLabel('Select Format:')
        self.format_combo = QtWidgets.QComboBox(self)
        self.format_combo.addItems(['mp4', 'webm'])

        self.resolution_label = QtWidgets.QLabel('Select Resolution:')
        self.resolution_combo = QtWidgets.QComboBox(self)

        # Layout positioning
        layout = QtWidgets.QVBoxLayout()
        layout.addWidget(self.url_label)
        layout.addWidget(self.url_input)
        layout.addWidget(self.fetch_btn)
        layout.addWidget(self.video_info)
        layout.addWidget(self.format_label)
        layout.addWidget(self.format_combo)
        layout.addWidget(self.resolution_label)
        layout.addWidget(self.resolution_combo)
        layout.addWidget(self.download_btn)

        self.setLayout(layout)

        # Connect buttons to functions
        self.fetch_btn.clicked.connect(self.fetch_video_info)
        self.download_btn.clicked.connect(self.download_video)

        self.setWindowTitle('YouTube Video Downloader')
        self.show()

    def fetch_video_info(self):
        url = self.url_input.text()
        if not url:
            self.video_info.setText("Please enter a valid YouTube URL.")
            return
       
        try:
            # Fetch video data
            yt = YouTube(url)
            metadata = {
                "Title": yt.title,
                "Description": yt.description,
                "Views": yt.views,
                "Length (seconds)": yt.length,
                "Author": yt.author,
                "Publish Date": yt.publish_date.strftime("%Y-%m-%d")
            }
            metadata_df = pd.DataFrame(metadata, index=[0])

            # Display video metadata
            self.video_info.setText(metadata_df.to_string(index=False))

            # Populate resolution combo box
            self.resolution_combo.clear()
            streams = yt.streams.filter(progressive=True, file_extension=self.format_combo.currentText()).all()
            resolutions = sorted(set([stream.resolution for stream in streams if stream.resolution]))
            self.resolution_combo.addItems(resolutions)

        except Exception as e:
            self.video_info.setText(f"Error fetching video info: {str(e)}")

    def download_video(self):
        url = self.url_input.text()
        if not url:
            self.video_info.setText("Please enter a valid YouTube URL.")
            return
       
        try:
            # Fetch video data
            yt = YouTube(url)
            selected_format = self.format_combo.currentText()
            selected_resolution = self.resolution_combo.currentText()

            # Filter and download video
            video_stream = yt.streams.filter(progressive=True, file_extension=selected_format, resolution=selected_resolution).first()
            if video_stream:
                self.video_info.setText(f"Downloading '{yt.title}' in {selected_resolution}...")
                video_stream.download()
                self.video_info.setText("Download complete!")
            else:
                self.video_info.setText("Selected resolution not available.")

        except Exception as e:
            self.video_info.setText(f"Error downloading video: {str(e)}")

def main():
    app = QtWidgets.QApplication(sys.argv)
    downloader = YouTubeDownloader()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()

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