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Merges a collection of Option objects or partial option dictionaries into a single unified dictionary by iterating through the collection and combining their key-value pairs.

Purpose

This function provides a standardized way to consolidate configuration options from multiple sources (either Option objects with key/kwargs attributes or plain dictionaries) into a single dictionary. It's useful in configuration management scenarios where options may come from different sources or formats and need to be merged into a unified structure. The function handles heterogeneous input types and delegates the actual merging logic to a helper function called merge_option_dicts.

Source Code

def merge_options_to_dict(options):
    """
    Given a collection of Option objects or partial option dictionaries,
    merge everything to a single dictionary.
    """
    merged_options = {}
    for obj in options:
        if isinstance(obj,dict):
            new_opts = obj
        else:
            new_opts = {obj.key: obj.kwargs}

        merged_options = merge_option_dicts(merged_options, new_opts)
    return merged_options

Parameters

Parameter Details

options: An iterable collection (list, tuple, etc.) containing either Option objects (which must have 'key' and 'kwargs' attributes) or dictionary objects. Each element will be processed and merged sequentially into the result. The order of elements may affect the final result if there are overlapping keys, with later items potentially overwriting earlier ones depending on the merge_option_dicts implementation.

Return Value

Returns a single dictionary containing all merged options. The structure depends on the merge_option_dicts function's behavior, but typically contains all keys from all input options with values merged according to the merging strategy. If options is empty, returns an empty dictionary.

Dependencies

• merge_option_dicts

Required Imports

from <module_containing_merge_option_dicts> import merge_option_dicts

Usage Example

# Assuming Option class and merge_option_dicts are defined
class Option:
    def __init__(self, key, **kwargs):
        self.key = key
        self.kwargs = kwargs

def merge_option_dicts(dict1, dict2):
    # Simple merge implementation
    result = dict1.copy()
    result.update(dict2)
    return result

# Example usage
option1 = Option('color', value='red', alpha=0.5)
option2 = {'size': {'value': 10, 'unit': 'px'}}
option3 = Option('style', linetype='solid')

options_list = [option1, option2, option3]
merged = merge_options_to_dict(options_list)
# Result: {'color': {'value': 'red', 'alpha': 0.5}, 'size': {'value': 10, 'unit': 'px'}, 'style': {'linetype': 'solid'}}

Best Practices

• Ensure all Option objects in the input have both 'key' and 'kwargs' attributes to avoid AttributeError
• Be aware that the order of options in the input collection may affect the final result if there are overlapping keys
• The function assumes merge_option_dicts is available and handles the actual merging logic appropriately
• Consider validating the input collection is iterable before passing to this function
• If using custom Option classes, ensure they follow the expected interface with 'key' and 'kwargs' attributes

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