Remove custom log handlers

CHANGES.txt

@@ -4,6 +4,7 @@ New in master
 Features
 --------
 
+* Remove logging handlers (Issue #1797)
 * Add ``-d``, ``--detach`` option to ``nikola serve`` (Issue #1871)
 * Use provided teaser format (``*_READ_MORE_LINK``) with custom teaser text
   (Issue #1879)

nikola/__main__.py

@@ -49,7 +49,7 @@
 from . import __version__
 from .plugin_categories import Command
 from .nikola import Nikola
-from .utils import sys_decode, sys_encode, get_root_dir, req_missing, LOGGER, STRICT_HANDLER, ColorfulStderrHandler
+from .utils import sys_decode, sys_encode, get_root_dir, req_missing, LOGGER, STRICT_HANDLER, STDERR_HANDLER, ColorfulStderrHandler
 
 if sys.version_info[0] == 3:
     import importlib.machinery
@@ -88,13 +88,18 @@ def main(args=None):
             break
 
     quiet = False
+    strict = False
     if len(args) > 0 and args[0] == 'build' and '--strict' in args:
         LOGGER.notice('Running in strict mode')
         STRICT_HANDLER.push_application()
+        strict = True
     if len(args) > 0 and args[0] == 'build' and '-q' in args or '--quiet' in args:
-        nullhandler = NullHandler()
-        nullhandler.push_application()
+        NullHandler().push_application()
         quiet = True
+    if not quiet and not strict:
+        NullHandler().push_application()
+        STDERR_HANDLER[0].push_application()
+
     global config
 
     original_cwd = os.getcwd()

nikola/conf.py.in

@@ -925,26 +925,6 @@ UNSLUGIFY_TITLES = True
 # sometimes crash Nikola, your web server, or eat your cat.
 # USE_SLUGIFY = True
 
-# You can configure the logging handlers installed as plugins or change the
-# log level of the default stderr handler.
-# WARNING: The stderr handler allows only the loglevels of 'INFO' and 'DEBUG'.
-#          This is done for safety reasons, as blocking out anything other
-#          than 'DEBUG' may hide important information and break the user
-#          experience!
-
-LOGGING_HANDLERS = {
-    'stderr': {'loglevel': 'INFO', 'bubble': True},
-    # 'smtp': {
-    #     'from_addr': 'test-errors@example.com',
-    #     'recipients': ('test@example.com'),
-    #     'credentials':('testusername', 'password'),
-    #     'server_addr': ('127.0.0.1', 25),
-    #     'secure': (),
-    #     'level': 'DEBUG',
-    #     'bubble': True
-    # }
-}
-
 # Templates will use those filters, along with the defaults.
 # Consult your engine's documentation on filters if you need help defining
 # those.

nikola/nikola.py

@@ -281,7 +281,7 @@ def __init__(self, **config):
         self._template_system = None
         self._THEMES = None
         self.debug = DEBUG
-        self.loghandlers = []
+        self.loghandlers = utils.STDERR_HANDLER  # TODO remove on v8
         self.colorful = config.pop('__colorful__', False)
         self.invariant = config.pop('__invariant__', False)
         self.quiet = config.pop('__quiet__', False)

nikola/plugins/command/auto/__init__.py

@@ -58,7 +58,7 @@
 
 
 from nikola.plugin_categories import Command
-from nikola.utils import req_missing, get_logger, get_theme_path
+from nikola.utils import req_missing, get_logger, get_theme_path, STDERR_HANDLER
 LRJS_PATH = os.path.join(os.path.dirname(__file__), 'livereload.js')
 error_signal = signal('error')
 refresh_signal = signal('refresh')
@@ -116,7 +116,7 @@ class CommandAuto(Command):
     def _execute(self, options, args):
         """Start the watcher."""
 
-        self.logger = get_logger('auto', self.site.loghandlers)
+        self.logger = get_logger('auto', STDERR_HANDLER)
         LRSocket.logger = self.logger
 
         if WebSocket is object and watchdog is None:

nikola/plugins/command/check.py

@@ -40,7 +40,7 @@
 import requests
 
 from nikola.plugin_categories import Command
-from nikola.utils import get_logger
+from nikola.utils import get_logger, STDERR_HANDLER
 
 
 def _call_nikola_list(site):
@@ -147,7 +147,7 @@ class CommandCheck(Command):
 
     def _execute(self, options, args):
         """Check the generated site."""
-        self.logger = get_logger('check', self.site.loghandlers)
+        self.logger = get_logger('check', STDERR_HANDLER)
 
         if not options['links'] and not options['files'] and not options['clean']:
             print(self.help())

nikola/plugins/command/deploy.py

@@ -35,7 +35,7 @@
 from blinker import signal
 
 from nikola.plugin_categories import Command
-from nikola.utils import get_logger, remove_file, unicode_str, makedirs
+from nikola.utils import get_logger, remove_file, unicode_str, makedirs, STDERR_HANDLER
 
 
 class CommandDeploy(Command):
@@ -48,7 +48,7 @@ class CommandDeploy(Command):
     logger = None
 
     def _execute(self, command, args):
-        self.logger = get_logger('deploy', self.site.loghandlers)
+        self.logger = get_logger('deploy', STDERR_HANDLER)
         # Get last successful deploy date
         timestamp_path = os.path.join(self.site.config['CACHE_FOLDER'], 'lastdeploy')
         if self.site.config['COMMENT_SYSTEM_ID'] == 'nikolademo':

nikola/plugins/command/github_deploy.py

@@ -33,7 +33,7 @@
 
 from nikola.plugin_categories import Command
 from nikola.plugins.command.check import real_scan_files
-from nikola.utils import get_logger, req_missing, makedirs, unicode_str
+from nikola.utils import get_logger, req_missing, makedirs, unicode_str, STDERR_HANDLER
 from nikola.__main__ import main
 from nikola import __version__
 
@@ -71,9 +71,7 @@ class CommandGitHubDeploy(Command):
 
     def _execute(self, command, args):
 
-        self.logger = get_logger(
-            CommandGitHubDeploy.name, self.site.loghandlers
-        )
+        self.logger = get_logger(CommandGitHubDeploy.name, STDERR_HANDLER)
 
         # Check if ghp-import is installed
         check_ghp_import_installed()

nikola/plugins/command/serve.py

@@ -36,7 +36,7 @@
     from http.server import SimpleHTTPRequestHandler  # NOQA
 
 from nikola.plugin_categories import Command
-from nikola.utils import get_logger
+from nikola.utils import get_logger, STDERR_HANDLER
 
 
 class IPv6Server(HTTPServer):
@@ -97,7 +97,7 @@ class CommandServe(Command):
 
     def _execute(self, options, args):
         """Start test server."""
-        self.logger = get_logger('serve', self.site.loghandlers)
+        self.logger = get_logger('serve', STDERR_HANDLER)
         out_dir = self.site.config['OUTPUT_FOLDER']
         if not os.path.isdir(out_dir):
             self.logger.error("Missing '{0}' folder?".format(out_dir))

nikola/plugins/compile/ipynb.py

@@ -49,7 +49,7 @@
     flag = None
 
 from nikola.plugin_categories import PageCompiler
-from nikola.utils import makedirs, req_missing, get_logger
+from nikola.utils import makedirs, req_missing, get_logger, STDERR_HANDLER
 
 
 class CompileIPynb(PageCompiler):
@@ -61,7 +61,7 @@ class CompileIPynb(PageCompiler):
     default_kernel = 'python2' if sys.version_info[0] == 2 else 'python3'
 
     def set_site(self, site):
-        self.logger = get_logger('compile_ipynb', site.loghandlers)
+        self.logger = get_logger('compile_ipynb', STDERR_HANDLER)
         super(CompileIPynb, self).set_site(site)
 
     def compile_html(self, source, dest, is_two_file=True):

nikola/plugins/compile/rest/__init__.py

@@ -36,7 +36,7 @@
 import docutils.writers.html4css1
 
 from nikola.plugin_categories import PageCompiler
-from nikola.utils import unicode_str, get_logger, makedirs, write_metadata
+from nikola.utils import unicode_str, get_logger, makedirs, write_metadata, STDERR_HANDLER
 
 
 class CompileRest(PageCompiler):
@@ -133,7 +133,7 @@ def set_site(self, site):
             self.config_dependencies.append(plugin_info.name)
             plugin_info.plugin_object.short_help = plugin_info.description
 
-        self.logger = get_logger('compile_rest', site.loghandlers)
+        self.logger = get_logger('compile_rest', STDERR_HANDLER)
         if not site.debug:
             self.logger.level = 4
 

nikola/plugins/task/bundles.py

@@ -43,7 +43,7 @@ class BuildBundles(LateTask):
     name = "create_bundles"
 
     def set_site(self, site):
-        self.logger = utils.get_logger('bundles', site.loghandlers)
+        self.logger = utils.get_logger('bundles', utils.STDERR_HANDLER)
         if webassets is None and site.config['USE_BUNDLES']:
             utils.req_missing(['webassets'], 'USE_BUNDLES', optional=True)
             self.logger.warn('Setting USE_BUNDLES to False.')

nikola/plugins/task/galleries.py

@@ -65,7 +65,7 @@ def set_site(self, site):
         site.register_path_handler('gallery_global', self.gallery_global_path)
         site.register_path_handler('gallery_rss', self.gallery_rss_path)
 
-        self.logger = utils.get_logger('render_galleries', site.loghandlers)
+        self.logger = utils.get_logger('render_galleries', utils.STDERR_HANDLER)
 
         self.kw = {
             'thumbnail_size': site.config['THUMBNAIL_SIZE'],

nikola/plugins/task/scale_images.py

@@ -37,7 +37,7 @@ class ScaleImage(Task, ImageProcessor):
     name = "scale_images"
 
     def set_site(self, site):
-        self.logger = utils.get_logger('scale_images', site.loghandlers)
+        self.logger = utils.get_logger('scale_images', utils.STDERR_HANDLER)
         return super(ScaleImage, self).set_site(site)
 
     def process_tree(self, src, dst):