pyutils
diff --git a/‎CHANGELOG.rst‎
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diff --git a/‎MANIFEST.in‎
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diff --git a/‎docs/source/auto/line_profiler.cli_utils.rst‎
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diff --git a/‎docs/source/auto/line_profiler.rst‎
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diff --git a/‎docs/source/auto/line_profiler.toml_config.rst‎
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@@ -11,7 +11,7 @@ Changes
 * FIX: Fixed explicit profiling of class methods; added handling for profiling static, bound, and partial methods, ``functools.partial`` objects, (cached) properties, and async generator functions
 * FIX: Fixed namespace bug when running ``kernprof -m`` on certain modules (e.g. ``calendar`` on Python 3.12+).
 * FIX: Fixed ``@contextlib.contextmanager`` bug where the cleanup code (e.g. restoration of ``sys`` attributes) is not run if exceptions occurred inside the context
-* ENH: Added CLI arguments ``-c`` to ``kernprof`` for (auto-)profiling inline-script execution instead of that of script files; passing ``'-'`` as the script-file name now also reads from and profiles ``stdin``
+* ENH: Added CLI arguments ``-c`` to ``kernprof`` for (auto-)profiling module/package/inline-script execution instead of that of script files; passing ``'-'`` as the script-file name now also reads from and profiles ``stdin``
 * ENH: In Python >=3.11, profiled objects are reported using their qualified name.
 * ENH: Highlight final summary using rich if enabled
 * ENH: Made it possible to use multiple profiler instances simultaneously
@@ -43,6 +43,11 @@ Changes
     callbacks during profiling
   * Now allowing switching back to the "legacy" trace system on Python 3.12+,
     controlled by an environment variable
+* ENH: Added capability to parse TOML config files for defaults (#335):
+  
+  * ``kernprof`` and ``python -m line_profiler`` CLI options
+  * ``GlobalProfiler`` configurations, and
+  * profiler output (e.g. ``LineProfiler.print_stats()``) formatting
 
 4.2.0
 ~~~~~
 
@@ -1,3 +1,4 @@
+graft line_profiler/rc
 include *.md
 include *.rst
 include *.py
 
@@ -0,0 +1,7 @@
+line\_profiler.cli\_utils module
+================================
+
+.. automodule:: line_profiler.cli_utils
+   :members:
+   :undoc-members:
+   :show-inheritance:
@@ -17,11 +17,13 @@ Submodules
 
    line_profiler.__main__
    line_profiler._line_profiler
+   line_profiler.cli_utils
    line_profiler.explicit_profiler
    line_profiler.ipython_extension
    line_profiler.line_profiler
    line_profiler.profiler_mixin
    line_profiler.scoping_policy
+   line_profiler.toml_config
 
 Module contents
 ---------------
 
@@ -0,0 +1,7 @@
+line\_profiler.toml\_config module
+================================
+
+.. automodule:: line_profiler.toml_config
+   :members:
+   :undoc-members:
+   :show-inheritance:
@@ -0,0 +1,221 @@
+Using the line-profiler TOML configuration
+------------------------------------------
+
+This tutorial walks the user through setting up a toy Python project and then
+interacting with it via the new line-profiler TOML configuration.
+
+First, we need to setup a small project, for which we will use ``uv``. We will
+also use the ``tomlkit`` package to edit the config file programatically. If
+you don't have these installed, first run:
+
+.. code:: bash
+
+   pip install uv tomlkit
+
+
+Next, we are going to setup a small package for this demonstration.
+
+.. code:: bash
+
+   TEMP_DIR=$(mktemp -d --suffix=demo_pkg)
+   mkdir -p $TEMP_DIR
+   cd $TEMP_DIR
+
+   uv init --lib --name demo_pkg
+
+   # helper to prevent indentation errors
+   codeblock(){
+       echo "$1" | python -c "import sys; from textwrap import dedent; print(dedent(sys.stdin.read()).strip('\n'))"
+   }
+
+   codeblock "
+       import time
+       from demo_pkg.utils import leq
+       from demo_pkg import utils
+
+       def fib(n):
+           if leq(n, 1):
+               return n
+           part1 = fib(n - 1)
+           part2 = fib(n - 2)
+           result = utils.add(part1, part2)
+           return result
+
+       def sleep_loop(n):
+           for _ in range(n):
+               time.sleep(0.01)
+   " > src/demo_pkg/core.py
+
+   codeblock "
+       def leq(a, b):
+           return a <= b
+
+       def add(a, b):
+           return a + b
+   " > src/demo_pkg/utils.py
+
+   codeblock "
+       from demo_pkg import core
+       import uuid
+
+       def main():
+           run_uuid = uuid.uuid4()
+           print('The UUID of this run is', run_uuid)
+           print('compute fib 10')
+           result = core.fib(10)
+           print('result', result)
+           print('sleeping 5')
+           core.sleep_loop(5)
+           print('done')
+
+       if __name__ == '__main__':
+           main()
+   " > src/demo_pkg/__main__.py
+
+   # Run `uv pip install -e .` to install the project locally:
+   uv pip install -e .
+
+
+Test that the main entrypoint works.
+
+.. code:: bash
+
+   python -m demo_pkg
+
+
+Running kernprof with a main script that uses your package behaves as in 4.x in that no defaults are modified.
+
+.. code:: bash
+
+    kernprof -m demo_pkg
+
+
+However, you can modify pyproject.toml to specify new defaults. After doing
+this, running kernprof will use defaults specified in your pyproject.toml (You
+may also pass ``--config`` to tell kernprof to use a different file to load the
+default config).
+
+.. code:: bash
+
+   # Edit the `pyproject.toml` file to modify default behavior
+   update_pyproject_toml(){
+       python -c "if 1:
+           import pathlib
+           import tomllib
+           import tomlkit
+           import sys
+           config_path = pathlib.Path('pyproject.toml')
+           config = tomllib.loads(config_path.read_text())
+
+           # Add in new values
+           from textwrap import dedent
+           new_text = dedent(sys.argv[1])
+
+           new_parts = tomllib.loads(new_text)
+           config.update(new_parts)
+
+           new_text = tomlkit.dumps(config)
+           config_path.write_text(new_text)
+       " "$1"
+   }
+
+   update_pyproject_toml "
+       # New Config
+       [tool.line_profiler.kernprof]
+       line-by-line = true
+       rich = true
+       verbose = true
+       skip-zero = true
+       prof-mod = ['demo_pkg']
+       "
+
+   # Now, running kernprof uses the new defaults
+   kernprof -m demo_pkg
+
+
+You will now see how long each function took, and what the line-by line breakdown is
+
+.. code::
+
+  # line-by-line breakdown omitted here
+
+  0.05 seconds - /tmp/tmp.vKpODQr6wndemo_pkg/src/demo_pkg/__main__.py:4 - main
+  0.00 seconds - /tmp/tmp.vKpODQr6wndemo_pkg/src/demo_pkg/core.py:5 - fib
+  0.05 seconds - /tmp/tmp.vKpODQr6wndemo_pkg/src/demo_pkg/core.py:13 - sleep_loop
+  0.00 seconds - /tmp/tmp.vKpODQr6wndemo_pkg/src/demo_pkg/utils.py:1 - leq
+  0.00 seconds - /tmp/tmp.vKpODQr6wndemo_pkg/src/demo_pkg/utils.py:4 - add
+
+
+Note that by specifying ``prof-mod``, every function within the package is
+automatically profiled without any need for the ``@profile`` decorator.
+
+It is worth noting, there is no requirement that the module you are profiling
+is part of your package. You can specify any module name as part of
+``prof-mod``. For example, lets profile the stdlib uuid module.
+
+
+.. code:: bash
+
+   update_pyproject_toml "
+       # New Config
+       [tool.line_profiler.kernprof]
+       line-by-line = true
+       rich = true
+       verbose = 0
+       skip-zero = true
+       prof-mod = ['uuid']
+       "
+
+   # Now, running kernprof uses the new defaults
+   kernprof -m demo_pkg
+   python -m line_profiler -rmtz demo_pkg.lprof
+
+
+This results in only showing calls in the uuid package:
+
+.. code::
+
+  # line-by-line breakdown omitted here
+
+  0.00 seconds - .pyenv/versions/3.13.2/lib/python3.13/uuid.py:142 - UUID.__init__
+  0.00 seconds - .pyenv/versions/3.13.2/lib/python3.13/uuid.py:283 - UUID.__str__
+  0.00 seconds - .pyenv/versions/3.13.2/lib/python3.13/uuid.py:277 - UUID.__repr__
+  0.00 seconds - .pyenv/versions/3.13.2/lib/python3.13/uuid.py:710 - uuid4
+
+
+You can list exact functions to profile as long as they are addressable by
+dotted names. The above only profiles the ``fib`` function in our package:
+
+.. code:: bash
+
+   update_pyproject_toml "
+       # New Config
+       [tool.line_profiler.kernprof]
+       line-by-line = true
+       rich = true
+       verbose = 0
+       skip-zero = true
+       prof-mod = ['demo_pkg.core.fib']
+       "
+
+   # Now, running kernprof uses the new defaults
+   kernprof -m demo_pkg
+   python -m line_profiler -rmtz demo_pkg.lprof
+
+
+The output is:
+
+.. code::
+
+   Line #      Hits         Time  Per Hit   % Time  Line Contents
+   ==============================================================
+        5                                           def fib(n):
+        6       177        145.1      0.8     42.5      if leq(n, 1):
+        7        89         29.7      0.3      8.7          return n
+        8        88         29.1      0.3      8.5      part1 = fib(n - 1)
+        9        88         27.7      0.3      8.1      part2 = fib(n - 2)
+       10        88         78.0      0.9     22.8      result = utils.add(part1, part2)
+       11        88         32.2      0.4      9.4      return result
+
+
+     0.00 seconds - /tmp/tmp.vKpODQr6wndemo_pkg/src/demo_pkg/core.py:5 - fib
@@ -5,10 +5,12 @@ Examples of line profiler usage:
 
 + `Basic Usage <../../index.html#line-profiler-basic-usage>`_
 
-+ `kernprof invocations <example_kernprof.rst>`_
++ `Kernprof Usage <example_kernprof.rst>`_
 
 + `Auto Profiling <../../auto/line_profiler.autoprofile.html#auto-profiling>`_
 
 + `Explicit Profiler <../../auto/line_profiler.explicit_profiler.html#module-line_profiler.explicit_profiler>`_
 
 + `Timing Units <example_units.rst>`_
+
++ `TOML Config Usage <example_toml_config.rst>`_
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`@@ -1,3 +1,4 @@`
	`1`	`+graft line_profiler/rc`
`1`	`2`	`include *.md`
`2`	`3`	`include *.rst`
`3`	`4`	`include *.py`