Improve docstrings of the no_input flag

Relates to cookiecutter#1543

cookiecutter/main.py

@@ -39,7 +39,9 @@ def cookiecutter(
     :param template: A directory containing a project template directory,
         or a URL to a git repository.
     :param checkout: The branch, tag or commit ID to checkout after clone.
-    :param no_input: Prompt the user at command line for manual configuration?
+    :param no_input: Do not prompt for user input.
+        Use default values for template parameters taken from `cookiecutter.json`, user
+        config and `extra_dict`. Force a refresh of cached resources.
     :param extra_context: A dictionary of context that overrides default
         and user configuration.
     :param replay: Do not prompt for input, instead read from saved json. If

cookiecutter/prompt.py

@@ -168,10 +168,9 @@ def render_variable(env, raw, cookiecutter_dict):
 def prompt_choice_for_config(cookiecutter_dict, env, key, options, no_input):
     """Prompt user with a set of options to choose from.
 
-    Each of the possible choices is rendered beforehand.
+    :no_input: Do not prompt for user input and return the first available option.
     """
     rendered_options = [render_variable(env, raw, cookiecutter_dict) for raw in options]
-
     if no_input:
         return rendered_options[0]
     return read_user_choice(key, rendered_options)
@@ -181,7 +180,7 @@ def prompt_for_config(context, no_input=False):
     """Prompt user to enter a new config.
 
     :param dict context: Source for field names and sample values.
-    :param no_input: Prompt the user at command line for manual configuration?
+    :param no_input: Do not prompt for user input and use only values from context.
     """
     cookiecutter_dict = OrderedDict([])
     env = StrictEnvironment(context=context)

cookiecutter/repository.py

@@ -82,7 +82,8 @@ def determine_repo_dir(
         definitions.
     :param clone_to_dir: The directory to clone the repository into.
     :param checkout: The branch, tag or commit ID to checkout after clone.
-    :param no_input: Prompt the user at command line for manual configuration?
+    :param no_input: Do not prompt for user input and eventually force a refresh of
+        cached resources.
     :param password: The password to use when extracting the repository.
     :param directory: Directory within repo where cookiecutter.json lives.
     :return: A tuple containing the cookiecutter template directory, and

cookiecutter/vcs.py

@@ -61,7 +61,8 @@ def clone(repo_url, checkout=None, clone_to_dir='.', no_input=False):
     :param checkout: The branch, tag or commit ID to checkout after clone.
     :param clone_to_dir: The directory to clone to.
                          Defaults to the current directory.
-    :param no_input: Suppress all user prompts when calling via API.
+    :param no_input: Do not prompt for user input and eventually force a refresh of
+        cached resources.
     :returns: str with path to the new directory of the repository.
     """
     # Ensure that clone_to_dir exists

cookiecutter/zipfile.py

@@ -20,7 +20,8 @@ def unzip(zip_uri, is_url, clone_to_dir='.', no_input=False, password=None):
     :param is_url: Is the zip URI a URL or a file?
     :param clone_to_dir: The cookiecutter repository directory
         to put the archive into.
-    :param no_input: Suppress any prompts
+    :param no_input: Do not prompt for user input and eventually force a refresh of
+        cached resources.
     :param password: The password to use when unpacking the repository.
     """
     # Ensure that clone_to_dir exists

docs/advanced/suppressing_prompts.rst

@@ -5,6 +5,8 @@ Suppressing Command-Line Prompts
 
 To suppress the prompts asking for input, use `no_input`.
 
+Note: this option will force a refresh of cached resources.
+
 Basic Example: Using the Defaults
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~