Fix copying of code examples in docs. (#20)

Author: tobiasraabe

docs/changes.rst

@@ -14,6 +14,7 @@ all releases are available on `Anaconda.org <https://anaconda.org/pytask/pytask>
 - :gh:`17` changes the interface to subcommands, adds ``"-c/--config"`` option to pass a
   path to a configuration file and adds ``pytask clean``, a command to clean your
   project.
+- :gh:`20` fixes copying code examples in the documentation.
 
 
 0.0.5 - 2020-08-12

docs/conf.py

@@ -51,12 +51,13 @@
 
 # -- Extensions configuration ----------------------------------------------------------
 
-# Configuration for autodoc
+# Configuration for autodoc.
 autosummary_generate = True
 add_module_names = False
 autodoc_mock_imports = ["attr", "click", "networkx", "pluggy", "pony"]
 
-copybutton_prompt_text = r"\\$ |>>> "
+# Remove prefixed $ for bash, >>> for Python prompts, and In [1]: for IPython prompts.
+copybutton_prompt_text = r"\$ |>>> |In \[\d\]: "
 copybutton_prompt_is_regexp = True
 
 extlinks = {