Utilities and helper functions.
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quantum.common.utils.compare_elements(a, b)
compare elements if a and b have same elements
This method doesn’t consider ordering
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quantum.common.utils.dict2str(dic)
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quantum.common.utils.diff_list_of_dict(old_list, new_list)
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quantum.common.utils.find_config_file(options, config_file)
Return the first config file found.
We search for the paste config file in the following order:
* If –config-file option is used, use that
* Search for the configuration files via common cfg directories
:retval Full path to config file, or None if no config file found
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quantum.common.utils.get_hostname()
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quantum.common.utils.is_extension_supported(plugin, ext_alias)
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quantum.common.utils.log_opt_values(log)
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quantum.common.utils.parse_mappings(mapping_list, unique_values=True)
Parse a list of of mapping strings into a dictionary.
| Parameters: |
- mapping_list – a list of strings of the form ‘<key>:<value>’
- unique_values – values must be unique if True
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| Returns: | a dict mapping keys to values
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quantum.common.utils.read_cached_file(filename, cache_info, reload_func=None)
Read from a file if it has been modified.
| Parameters: |
- cache_info – dictionary to hold opaque cache.
- reload_func – optional function to be called with data when
file is reloaded due to a modification.
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| Returns: | data from file
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quantum.common.utils.str2dict(string)
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quantum.common.utils.subprocess_popen(args, stdin=None, stdout=None, stderr=None, shell=False, env=None)