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< li > pyTermTk - Logging< / li >
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< a href = "../_sources/tutorial/004-logging.rst.txt" rel = "nofollow" > View page source< / a >
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< section id = "pytermtk-logging" >
< h1 > < a class = "reference external" href = "https://github.com/ceccopierangiolieugenio/pyTermTk" > pyTermTk< / a > - Logging< a class = "headerlink" href = "#pytermtk-logging" title = "Permalink to this heading" > < / a > < / h1 >
< section id = "intro" >
< h2 > Intro< a class = "headerlink" href = "#intro" title = "Permalink to this heading" > < / a > < / h2 >
< p > The < a class = "reference external" href = "https://ceccopierangiolieugenio.github.io/pyTermTk/autogen.TermTk/TermTk.TTkCore.log.html" > TTkLog< / a > class provide a set of api to allow and configure the logging.< / p >
< / section >
< section id = "examples" >
< h2 > Examples< a class = "headerlink" href = "#examples" title = "Permalink to this heading" > < / a > < / h2 >
< section id = "example-1-log-to-file" >
< h3 > Example 1 - Log to file< a class = "headerlink" href = "#example-1-log-to-file" title = "Permalink to this heading" > < / a > < / h3 >
< p > From < a class = "reference external" href = "https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/tutorial/logging/example1.logtofile.py" > example1.logtofile.py< / a >
(< a class = "reference external" href = "https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html?filePath=tutorial/logging/example1.logtofile.py" > tryItOnline< / a > ):< / p >
< div class = "highlight-python notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > import< / span > < span class = "nn" > TermTk< / span > < span class = "k" > as< / span > < span class = "nn" > ttk< / span >
< span class = "c1" > # session.log is used by default< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > use_default_file_logging< / span > < span class = "p" > ()< / span >
< span class = "c1" > # Push some Debug messages< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Info Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Debug Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > error< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Error Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Warning Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > critical< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Critical Message" < / span > < span class = "p" > )< / span >
< / pre > < / div >
< / div >
< / section >
< section id = "example-2-log-to-stdout" >
< h3 > Example 2 - Log to stdout< a class = "headerlink" href = "#example-2-log-to-stdout" title = "Permalink to this heading" > < / a > < / h3 >
< p > From < a class = "reference external" href = "https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/tutorial/logging/example2.logtostdout.py" > example2.logtostdout.py< / a >
(< a class = "reference external" href = "https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html?filePath=tutorial/logging/example2.logtostdout.py" > tryItOnline< / a > ):< / p >
< div class = "highlight-python notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > import< / span > < span class = "nn" > TermTk< / span > < span class = "k" > as< / span > < span class = "nn" > ttk< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > use_default_stdout_logging< / span > < span class = "p" > ()< / span >
< span class = "c1" > # Push some Debug messages< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Info Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Debug Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > error< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Error Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Warning Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > critical< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Critical Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > fatal< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Fatal Message" < / span > < span class = "p" > )< / span >
< / pre > < / div >
< / div >
< / section >
< section id = "example-3-custom-logging" >
< h3 > Example 3 - custom logging< a class = "headerlink" href = "#example-3-custom-logging" title = "Permalink to this heading" > < / a > < / h3 >
< p > From < a class = "reference external" href = "https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/tutorial/logging/example3.customlogging.py" > example3.customlogging.py< / a >
(< a class = "reference external" href = "https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html?filePath=tutorial/logging/example3.customlogging.py" > tryItOnline< / a > ):< / p >
< div class = "highlight-python notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > import< / span > < span class = "nn" > TermTk< / span > < span class = "k" > as< / span > < span class = "nn" > ttk< / span >
< span class = "c1" > # define the callback used to process the log message< / span >
< span class = "k" > def< / span > < span class = "nf" > message_handler< / span > < span class = "p" > (< / span > < span class = "n" > mode< / span > < span class = "p" > ,< / span > < span class = "n" > context< / span > < span class = "p" > ,< / span > < span class = "n" > message< / span > < span class = "p" > ):< / span >
< span class = "n" > msgType< / span > < span class = "o" > =< / span > < span class = "s2" > " NONE" < / span >
< span class = "k" > if< / span > < span class = "n" > mode< / span > < span class = "o" > ==< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > InfoMsg< / span > < span class = "p" > :< / span > < span class = "n" > msgType< / span > < span class = "o" > =< / span > < span class = "s2" > " [INFO]" < / span >
< span class = "k" > elif< / span > < span class = "n" > mode< / span > < span class = "o" > ==< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > WarningMsg< / span > < span class = "p" > :< / span > < span class = "n" > msgType< / span > < span class = "o" > =< / span > < span class = "s2" > " [WARNING]" < / span >
< span class = "k" > elif< / span > < span class = "n" > mode< / span > < span class = "o" > ==< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > CriticalMsg< / span > < span class = "p" > :< / span > < span class = "n" > msgType< / span > < span class = "o" > =< / span > < span class = "s2" > " [CRITICAL]" < / span >
< span class = "k" > elif< / span > < span class = "n" > mode< / span > < span class = "o" > ==< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > FatalMsg< / span > < span class = "p" > :< / span > < span class = "n" > msgType< / span > < span class = "o" > =< / span > < span class = "s2" > " [FATAL]" < / span >
< span class = "k" > elif< / span > < span class = "n" > mode< / span > < span class = "o" > ==< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > ErrorMsg< / span > < span class = "p" > :< / span > < span class = "n" > msgType< / span > < span class = "o" > =< / span > < span class = "s2" > " [ERROR]" < / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > msgType< / span > < span class = "si" > }< / span > < span class = "s2" > < / span > < span class = "si" > {< / span > < span class = "n" > context< / span > < span class = "o" > .< / span > < span class = "n" > file< / span > < span class = "si" > }< / span > < span class = "s2" > < / span > < span class = "si" > {< / span > < span class = "n" > message< / span > < span class = "si" > }< / span > < span class = "s2" > " < / span > < span class = "p" > )< / span >
< span class = "c1" > # Register the callback to the message handler< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > installMessageHandler< / span > < span class = "p" > (< / span > < span class = "n" > message_handler< / span > < span class = "p" > )< / span >
< span class = "c1" > # Push some Debug messages< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Info Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Debug Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > error< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Error Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Warning Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > critical< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Critical Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > fatal< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Fatal Message" < / span > < span class = "p" > )< / span >
< / pre > < / div >
< / div >
< / section >
< section id = "example-4-use-ttklogviewer-widget" >
< h3 > Example 4 - Use < a class = "reference external" href = "https://ceccopierangiolieugenio.github.io/pyTermTk/autogen.TermTk/TermTk.TTkTestWidgets.logviewer.html" > TTkLogViewer< / a > widget< a class = "headerlink" href = "#example-4-use-ttklogviewer-widget" title = "Permalink to this heading" > < / a > < / h3 >
< p > From < a class = "reference external" href = "https://github.com/ceccopierangiolieugenio/pyTermTk/blob/main/tutorial/logging/example4.ttklogviewer.py" > example4.ttklogviewer.py< / a >
(< a class = "reference external" href = "https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html?filePath=tutorial/logging/example4.ttklogviewer.py" > tryItOnline< / a > ):< / p >
< div class = "highlight-python notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > import< / span > < span class = "nn" > TermTk< / span > < span class = "k" > as< / span > < span class = "nn" > ttk< / span >
< span class = "n" > root< / span > < span class = "o" > =< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTk< / span > < span class = "p" > ()< / span >
< span class = "c1" > # Create a window and attach it to the root (parent=root)< / span >
< span class = "n" > logWin< / span > < span class = "o" > =< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkWindow< / span > < span class = "p" > (< / span > < span class = "n" > parent< / span > < span class = "o" > =< / span > < span class = "n" > root< / span > < span class = "p" > ,< / span > < span class = "n" > pos< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ),< / span > < span class = "n" > size< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "mi" > 80< / span > < span class = "p" > ,< / span > < span class = "mi" > 20< / span > < span class = "p" > ),< / span > < span class = "n" > title< / span > < span class = "o" > =< / span > < span class = "s2" > " LogViewer Window" < / span > < span class = "p" > ,< / span > < span class = "n" > border< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ,< / span > < span class = "n" > layout< / span > < span class = "o" > =< / span > < span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkVBoxLayout< / span > < span class = "p" > ())< / span >
< span class = "c1" > # Attach the logViewer widget to the window< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLogViewer< / span > < span class = "p" > (< / span > < span class = "n" > parent< / span > < span class = "o" > =< / span > < span class = "n" > logWin< / span > < span class = "p" > )< / span >
< span class = "c1" > # Push some Debug messages< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Info Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > debug< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Debug Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > error< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Error Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Warning Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > critical< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Critical Message" < / span > < span class = "p" > )< / span >
< span class = "n" > ttk< / span > < span class = "o" > .< / span > < span class = "n" > TTkLog< / span > < span class = "o" > .< / span > < span class = "n" > fatal< / span > < span class = "p" > (< / span > < span class = "s2" > " Test Fatal Message" < / span > < span class = "p" > )< / span >
< span class = "c1" > # Start the Main loop< / span >
< span class = "n" > root< / span > < span class = "o" > .< / span > < span class = "n" > mainloop< / span > < span class = "p" > ()< / span >
< / pre > < / div >
< / div >
< p > The above code produces the following output< / p >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > ╔══════════════════════════════════════════════════════════════════════════════╗
║ LogViewer Window ║
╟──────────────────────────────────────────────────────────────────────────────╢
║ ║
║INFO : tutorial/logging/example4.ttklogviewer.py:36 Test Info Message ║
║DEBUG: tutorial/logging/example4.ttklogviewer.py:37 Test Debug Message ║
║ERROR: tutorial/logging/example4.ttklogviewer.py:38 Test Error Message ║
║WARNING : tutorial/logging/example4.ttklogviewer.py:39 Test Warning Message ║
║CRITICAL: tutorial/logging/example4.ttklogviewer.py:40 Test Critical Message ║
║FATAL: tutorial/logging/example4.ttklogviewer.py:41 Test Fatal Message ║
║DEBUG: _/.venv/lib/python3.8/site-packages/TermTk/TTkCore/ttk.py:70 Starting M║
║DEBUG: _/.venv/lib/python3.8/site-packages/TermTk/TTkCore/ttk.py:80 Signal Eve║
║DEBUG: _/.venv/lib/python3.8/site-packages/TermTk/TTkCore/ttk.py:65 fps: 33 ║
║DEBUG: _/.venv/lib/python3.8/site-packages/TermTk/TTkCore/ttk.py:65 fps: 34 ║
║DEBUG: _/.venv/lib/python3.8/site-packages/TermTk/TTkCore/ttk.py:65 fps: 34 ║
║ ║
║ ║
║ ║
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