diff --git a/README.md b/README.md index b87939c..4f773bf 100644 --- a/README.md +++ b/README.md @@ -2456,7 +2456,7 @@ import logging logging.basicConfig(filename=) # Configures the root logger (see Setup). logging.debug/info/warning/error/critical() # Logs to the root logger. = logging.getLogger(__name__) # Logger named after the module. -.() # Messages propagate to the root logger. +.() # Logs to the logger. .exception() # Calls error() with caught exception. ``` @@ -2476,20 +2476,23 @@ logging.basicConfig( .setFormatter() # Adds Formatter to the Handler. .setLevel() # Processes all messages by default. .addHandler() # Adds Handler to the Logger. -.setLevel() # What is sent to handlers and parent. +.setLevel() # What is sent to its/ancestor's handlers. ``` * **Parent logger can be specified by naming the child logger `'.'`.** +* **If logger doesn't have a set level it inherits it from the first ancestor that does.** * **Formatter also supports: pathname, filename, funcName, lineno, thread and process.** * **A `'handlers.RotatingFileHandler'` creates and deletes log files based on 'maxBytes' and 'backupCount' arguments.** -#### Creates a logger that writes all messages to a file and sends them to the root logger that prints to stderr: + +#### Creates a logger that writes all messages to file and sends them to the root's handler that prints warnings or higher: ```python ->>> logging.basicConfig(level='WARNING') >>> logger = logging.getLogger('my_module') >>> handler = logging.FileHandler('test.log') >>> formatter = logging.Formatter('%(asctime)s %(levelname)s:%(name)s:%(message)s') ->>> handler.setFormatter(formatter) >>> logger.addHandler(handler) +>>> handler.setFormatter(formatter) +>>> logging.basicConfig(level='DEBUG') +>>> logging.root.handlers[0].setLevel('WARNING') >>> logger.critical('Running out of disk space.') CRITICAL:my_module:Running out of disk space. >>> print(open('test.log').read()) @@ -2499,24 +2502,22 @@ CRITICAL:my_module:Running out of disk space. Scraping -------- -#### Scrapes Python's URL, version number and logo from its Wikipedia page: +#### Scrapes Python's URL and logo from its Wikipedia page: ```python # $ pip3 install requests beautifulsoup4 import requests, bs4, os, sys -WIKI_URL = 'https://en.wikipedia.org/wiki/Python_(programming_language)' try: - html = requests.get(WIKI_URL).text - document = bs4.BeautifulSoup(html, 'html.parser') + response = requests.get('https://en.wikipedia.org/wiki/Python_(programming_language)') + document = bs4.BeautifulSoup(response.text, 'html.parser') table = document.find('table', class_='infobox vevent') python_url = table.find('th', text='Website').next_sibling.a['href'] - version = table.find('th', text='Stable release').next_sibling.strings.__next__() logo_url = table.find('img')['src'] logo = requests.get(f'https:{logo_url}').content filename = os.path.basename(logo_url) with open(filename, 'wb') as file: file.write(logo) - print(f'{python_url}, {version}, file://{os.path.abspath(filename)}') + print(f'{python_url}, file://{os.path.abspath(filename)}') except requests.exceptions.ConnectionError: print("You've got problems with connection.", file=sys.stderr) ``` diff --git a/index.html b/index.html index a278ca1..17a5ce3 100644 --- a/index.html +++ b/index.html @@ -54,7 +54,7 @@
- +
@@ -2015,7 +2015,7 @@ print(table) 
logging.basicConfig(filename=<path>)              # Configures the root logger (see Setup).
 logging.debug/info/warning/error/critical(<str>)  # Logs to the root logger.
 <Logger> = logging.getLogger(__name__)            # Logger named after the module.
-<Logger>.<level>(<str>)                           # Messages propagate to the root logger.
+<Logger>.<level>(<str>)                           # Logs to the logger.
 <Logger>.exception(<str>)                         # Calls error() with caught exception.

Setup

logging.basicConfig(
@@ -2031,41 +2031,41 @@ logging.debug/info/warning/error/critical(<str>)  # Adds Formatter to the Handler.
 <Handler>.setLevel(<int/str>)                     # Processes all messages by default.
 <Logger>.addHandler(<Handler>)                    # Adds Handler to the Logger.
-<Logger>.setLevel(<int/str>)                      # What is sent to handlers and parent.
+<Logger>.setLevel(<int/str>)                      # What is sent to its/ancestor's handlers.
  • Parent logger can be specified by naming the child logger '<parent>.<name>'.
    • +
  • If logger doesn't have a set level it inherits it from the first ancestor that does.
  • Formatter also supports: pathname, filename, funcName, lineno, thread and process.
  • A 'handlers.RotatingFileHandler' creates and deletes log files based on 'maxBytes' and 'backupCount' arguments.
-

Creates a logger that writes all messages to a file and sends them to the root logger that prints to stderr:

>>> logging.basicConfig(level='WARNING')
->>> logger = logging.getLogger('my_module')
+
Creates a logger that writes all messages to file and sends them to the root's handler that prints warnings or higher:
>>> logger = logging.getLogger('my_module')
 >>> handler = logging.FileHandler('test.log')
 >>> formatter = logging.Formatter('%(asctime)s %(levelname)s:%(name)s:%(message)s')
->>> handler.setFormatter(formatter)
 >>> logger.addHandler(handler)
+>>> handler.setFormatter(formatter)
+>>> logging.basicConfig(level='DEBUG')
+>>> logging.root.handlers[0].setLevel('WARNING')
 >>> logger.critical('Running out of disk space.')
 CRITICAL:my_module:Running out of disk space.
 >>> print(open('test.log').read())
 2023-02-07 23:21:01,430 CRITICAL:my_module:Running out of disk space.
 

 
-
#Scraping
Scrapes Python's URL, version number and logo from its Wikipedia page:
# $ pip3 install requests beautifulsoup4
+
#Scraping
Scrapes Python's URL and logo from its Wikipedia page:
# $ pip3 install requests beautifulsoup4
 import requests, bs4, os, sys
 
-WIKI_URL = 'https://en.wikipedia.org/wiki/Python_(programming_language)'
 try:
-    html       = requests.get(WIKI_URL).text
-    document   = bs4.BeautifulSoup(html, 'html.parser')
+    response   = requests.get('https://en.wikipedia.org/wiki/Python_(programming_language)')
+    document   = bs4.BeautifulSoup(response.text, 'html.parser')
     table      = document.find('table', class_='infobox vevent')
     python_url = table.find('th', text='Website').next_sibling.a['href']
-    version    = table.find('th', text='Stable release').next_sibling.strings.__next__()
     logo_url   = table.find('img')['src']
     logo       = requests.get(f'https:{logo_url}').content
     filename   = os.path.basename(logo_url)
     with open(filename, 'wb') as file:
         file.write(logo)
-    print(f'{python_url}, {version}, file://{os.path.abspath(filename)}')
+    print(f'{python_url}, file://{os.path.abspath(filename)}')
 except requests.exceptions.ConnectionError:
     print("You've got problems with connection.", file=sys.stderr)
 

@@ -2929,7 +2929,7 @@ $ deactivate                  # Deactivates the activ
  
 
   

-    
+    
     
   

 
diff --git a/parse.js b/parse.js
index 3373a7f..35bb0e1 100755
--- a/parse.js
+++ b/parse.js
@@ -203,12 +203,13 @@ const PROGRESS_BAR =
   'Processing: 100%|████████████████████| 3/3 [00:03<00:00,  1.00s/it]\n';
 
 const LOGGING_EXAMPLE =
-  '>>> logging.basicConfig(level=\'WARNING\')\n' +
   '>>> logger = logging.getLogger(\'my_module\')\n' +
   '>>> handler = logging.FileHandler(\'test.log\')\n' +
   '>>> formatter = logging.Formatter(\'%(asctime)s %(levelname)s:%(name)s:%(message)s\')\n' +
-  '>>> handler.setFormatter(formatter)\n' +
   '>>> logger.addHandler(handler)\n' +
+  '>>> handler.setFormatter(formatter)\n' +
+  '>>> logging.basicConfig(level=\'DEBUG\')\n' +
+  '>>> logging.root.handlers[0].setLevel(\'WARNING\')\n' +
   '>>> logger.critical(\'Running out of disk space.\')\n' +
   'CRITICAL:my_module:Running out of disk space.\n' +
   '>>> print(open(\'test.log\').read())\n' +