Configuration & Utilities

class Configuration:
    def __init__(self):
        """Initialize configuration with default settings."""

    def get_language(self) -> str:
        """Get the current language setting."""

    def set_language(self, language: str):
        """
        Set the target language for processing.
        
        Parameters:
        - language: Two-character language code (e.g., 'en', 'es', 'fr')
        
        Raises:
        Exception: If language code is invalid or not 2 characters
        """

    @staticmethod
    def get_stopwords_class(language: str):
        """
        Get the appropriate stopwords class for a language.
        
        Parameters:
        - language: Two-character language code
        
        Returns:
        Stopwords class for the specified language
        """

    @staticmethod  
    def get_parser():
        """Get the HTML parser class (lxml-based Parser)."""

# Content Validation Thresholds
MIN_WORD_COUNT: int = 300        # Minimum words for valid article
MIN_SENT_COUNT: int = 7          # Minimum sentences for valid article
MAX_TITLE: int = 200             # Maximum title length in characters
MAX_TEXT: int = 100000           # Maximum article text length
MAX_KEYWORDS: int = 35           # Maximum keywords to extract
MAX_AUTHORS: int = 10            # Maximum authors to extract
MAX_SUMMARY: int = 5000          # Maximum summary length
MAX_SUMMARY_SENT: int = 5        # Maximum summary sentences

# Caching and Storage
MAX_FILE_MEMO: int = 20000       # Max URLs cached per news source
memoize_articles: bool = True    # Cache articles between runs

# Media Processing
fetch_images: bool = True        # Download and process images
image_dimension_ration: float = 16/9.0  # Preferred image aspect ratio

# Network and Processing
follow_meta_refresh: bool = False    # Follow meta refresh redirects
use_meta_language: bool = True       # Use language from HTML meta tags
keep_article_html: bool = False      # Retain cleaned article HTML
http_success_only: bool = True       # Fail on HTTP error responses
request_timeout: int = 7             # HTTP request timeout in seconds
number_threads: int = 10             # Default thread count
thread_timeout_seconds: int = 1      # Thread timeout in seconds

# Language and Localization
language: str = 'en'                 # Target language code
stopwords_class: class = StopWords   # Stopwords class for language

# HTTP Configuration
browser_user_agent: str             # HTTP User-Agent header
headers: dict = {}                  # Additional HTTP headers
proxies: dict = {}                  # Proxy configuration

# Debugging
verbose: bool = False               # Enable debug logging

def fulltext(html: str, language: str = 'en') -> str:
    """
    Extract clean text content from raw HTML.
    
    Parameters:
    - html: Raw HTML string
    - language: Language code for processing (default: 'en')
    
    Returns:
    Extracted plain text content
    """

def hot() -> list:
    """
    Get trending topics from Google Trends.
    
    Returns:
    List of trending search terms, or None if failed
    """

def languages():
    """Print list of supported languages to console."""

def popular_urls() -> list:
    """
    Get list of popular news source URLs.
    
    Returns:
    List of pre-extracted popular news website URLs
    """

class StopWords:
    """Default English stopwords class."""

class StopWordsChinese(StopWords):
    """Chinese language stopwords."""

class StopWordsArabic(StopWords):
    """Arabic and Persian language stopwords."""

class StopWordsKorean(StopWords):
    """Korean language stopwords."""

class StopWordsHindi(StopWords):
    """Hindi language stopwords."""

class StopWordsJapanese(StopWords):
    """Japanese language stopwords."""

def get_available_languages() -> list:
    """
    Get list of supported language codes.
    
    Returns:
    List of two-character language codes
    """

def print_available_languages():
    """Print supported languages to console."""

def extend_config(config: Configuration, config_items: dict) -> Configuration:
    """
    Merge configuration object with additional settings.
    
    Parameters:
    - config: Base Configuration object
    - config_items: Dictionary of additional configuration values
    
    Returns:
    Updated Configuration object
    """

from newspaper import Configuration, Article

# Create custom configuration
config = Configuration()
config.language = 'es'
config.MIN_WORD_COUNT = 500
config.fetch_images = False
config.request_timeout = 10

# Use with article
article = Article('http://spanish-news-site.com/article', config=config)
article.build()

from newspaper import Configuration, Article

# Process articles in different languages
languages = ['en', 'es', 'fr', 'de']
articles = {}

for lang in languages:
    config = Configuration()
    config.set_language(lang)
    
    # Language-specific URL (example)
    url = f'http://news-site.com/{lang}/article'
    article = Article(url, config=config)
    article.build()
    
    articles[lang] = article
    print(f"{lang}: {article.title}")

from newspaper import Configuration, build

# High-performance configuration
config = Configuration()
config.number_threads = 20
config.thread_timeout_seconds = 2
config.request_timeout = 5
config.memoize_articles = True
config.fetch_images = False  # Skip images for speed

# Build source with optimized settings
source = build('http://news-site.com', config=config)
print(f"Fast processing: {len(source.articles)} articles discovered")

from newspaper import Configuration, Article

# Strict content validation
config = Configuration()
config.MIN_WORD_COUNT = 800      # Require longer articles
config.MIN_SENT_COUNT = 15       # Require more sentences
config.MAX_KEYWORDS = 50         # Extract more keywords
config.MAX_SUMMARY_SENT = 10     # Longer summaries

# Use strict configuration
article = Article('http://long-form-article.com', config=config)
article.build()

if article.is_valid_body():
    print(f"High-quality article: {len(article.text)} words")
    print(f"Keywords: {len(article.keywords)}")
    print(f"Summary sentences: {len(article.summary.split('.'))}")

from newspaper import Configuration, Article

# Custom network settings
config = Configuration()
config.browser_user_agent = 'MyBot/1.0'
config.headers = {
    'Accept-Language': 'en-US,en;q=0.9',
    'Accept-Encoding': 'gzip, deflate'
}
config.proxies = {
    'http': 'http://proxy.example.com:8080',
    'https': 'https://proxy.example.com:8080'
}
config.request_timeout = 15

# Use custom network settings
article = Article('http://example.com/article', config=config)
article.download()

from newspaper import get_available_languages, Configuration

# Show supported languages
print("Supported languages:")
print(get_available_languages())

# Auto-detect and process
def process_with_language_detection(url):
    # First pass - detect language
    article = Article(url)
    article.download()
    article.parse()  # This extracts meta_lang
    
    detected_lang = article.meta_lang
    if detected_lang in get_available_languages():
        # Second pass with detected language
        config = Configuration()
        config.set_language(detected_lang)
        
        article_lang = Article(url, config=config)
        article_lang.build()
        return article_lang
    
    return article

# Process with language detection
result = process_with_language_detection('http://multilingual-site.com/article')
print(f"Language: {result.meta_lang}")
print(f"Title: {result.title}")

from newspaper import fulltext, hot, popular_urls

# Extract text from raw HTML
html_content = """
<html><body>
<h1>News Title</h1>
<p>This is the main article content with <a href="#">links</a> and formatting.</p>
</body></html>
"""

clean_text = fulltext(html_content, language='en')
print(f"Extracted text: {clean_text}")

# Get trending topics
try:
    trending = hot()
    if trending:
        print("Trending topics:", trending[:5])
except Exception as e:
    print(f"Could not fetch trending topics: {e}")

# Get popular news sources
popular_sources = popular_urls()
print(f"Popular sources: {len(popular_sources)} URLs")
for source in popular_sources[:5]:
    print(f"  {source}")

from newspaper import Configuration, Article
import logging

# Enable debug logging
config = Configuration()
config.verbose = True

# Set up logging to see debug output
logging.basicConfig(level=logging.DEBUG)

# Process with verbose output
article = Article('http://example.com/article', config=config)
article.build()  # Will show detailed debug information