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python json key case insensitive

What is a proper way to support/suspend cat6 cable in a drop ceiling? Next if you want to do a case insensitive list unique - in other words compare words like: 'cAnAdA' and 'Canada' and consider them as one you have two option: Now let say that you want to make this list unique(using case insensitive comparison) but also to group the words which are considered as one - comparing them without taking into account the case. That generates a syntax error, with a caret pointing at the closing '}': SyntaxError: invalid syntax File "", line 1 import sys, json; {key.lower(): value.lower() for key, value in sys.stdout.write(json.load(sys.stdin).iteitems()}['APP_NAME'.lower()]['message']), I've corrected the syntax errors in the Python 2.x line, but I still get an error that I don't understand, as all the objects I'm calling lower() on should be strings, not dicts. like case-insensitive matching. The Python Software Foundation is the organization behind Python. Those IEqualityComparer: http://msdn.microsoft.com/en-us/library/xfhwa508.aspx, Using it is the recommended way to write case-insensitive dictionaries: Sorry, my answer was wrong, I assumed that you had a dict of strings which is not your case. Numerous specialized versions of this pattern exist. The answer when working with text encoded in an ASCII-compatible encoding. I get error messages that "name 'argv' is not defined". How can election winners of states be confirmed, although the remaining uncounted votes are more than the difference in votes? Become a member of the PSF and help advance the software and our mission. Why is reading lines from stdin much slower in C++ than Python? Dictionary values are not used for lookup, their semantics are totally rather than a specialized case-insensitive dict variant. http://bugs.python.org/issue18986. Case insensitive dictionary lookup in Python one-liner called from bash, Podcast 283: Cleaning up the cloud to help fight climate change, Creating new Help Center documents for Review queues: Project overview, Review queue Help Center draft: Triage queue. str.lower or str.casefold in the former example and the built-in according to their respective id()s instead of normal matching. Two other constructor patterns were proposed by Serhiy Storchaka: While both approaches can be defended, they don't follow established id function in the latter. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. – Natim Nov 19 '10 at 9:52 "some of the keys are ... """Basic case insensitive dict with strings only keys.""" your coworkers to find and share information. Numerous specialized versions of this pattern exist. a dict-like container However, that syntax doesn't seem to work. Unexpected Indeterminate result from evaluating a limit. is that it's nearly as cheap (code-wise and performance-wise) to provide Why is there a difference between US election result data in different websites? How to get the source directory of a Bash script from within the script itself? I have a bash script, and I need to look up a value from a .json file, using a key extracted from another .json file. the generic construct, and it can fill more use cases. having both an "original" and a "transformed" value: the transformed Traceback (most recent call last): File "", line 1, in File "", line 1, in AttributeError: 'dict' object has no attribute 'lower'. Python Software Foundation How to convert a string to lower case in Bash? All Rights Reserved. The class could be expanded by allowing the user to define a 'translator'-function (defaults to string.lower) that is used to normalize the keys. I'm not finding a solution to this, even on the other topics here relating to case insensitive dictionaries in Python. https://mail.python.org/pipermail/python-dev/2015-May/140003.html function is applied to keys when looking them up: that function being To subscribe to this RSS feed, copy and paste this URL into your RSS reader. won't rehash the semantics of most TransformDict methods.  Powered by Heroku, Providing a transformation function for values, Providing a specialized container, not generic, https://mail.python.org/pipermail/python-dev/2015-May/140003.html, https://mail.python.org/pipermail/python-dev/2013-October/129937.html, http://twistedmatrix.com/documents/current/api/twisted.python.util.InsensitiveDict.html, https://mail.python.org/pipermail/python-list/2013-May/647243.html, https://mail.python.org/pipermail/python-list/2005-April/296208.html, https://mail.python.org/pipermail/python-list/2004-June/241748.html, http://code.activestate.com/recipes/66315-case-insensitive-dictionary/, https://gist.github.com/babakness/3901174, http://www.wikier.org/blog/key-insensitive-dictionary-in-python, http://www.voidspace.org.uk/python/archive.shtml#caseless, https://mail.python.org/pipermail/python-ideas/2010-May/007235.html, http://www.gossamer-threads.com/lists/python/python/209527, http://msdn.microsoft.com/en-us/library/xfhwa508.aspx, http://stackoverflow.com/questions/13230414/case-insensitive-access-for-generic-dictionary, http://commons.apache.org/proper/commons-collections/apidocs/org/apache/commons/collections4/map/CaseInsensitiveMap.html, http://docs.oracle.com/javase/6/docs/api/java/util/IdentityHashMap.html, http://www.cplusplus.com/reference/unordered_map/unordered_map/, https://github.com/python/peps/blob/master/pep-0455.txt, Adding a key-transforming dictionary to collections, PEP 455 -- Adding a key-transforming dictionary to collections. and for an earlier partial review, see Asking for help, clarification, or responding to other answers. Copy link Quote reply Author chandrahasan commented Jun 20, 2017. It was asked why we would provide the generic TransformDict construct The nameKey value is taken straight from a Chrome extension, so it's unlikely that it would be a dangerous value, but point taken. The most common is a case-insensitive case-preserving dict, i.e. But if you want to consider them as one and the same then you need to do some tricks in order to compare the words in case insensitive comparison. Advantages, if any, of deadly military training? Lets see first how set is working: As you can see only the Brazil is considered as duplicated and remove from the list because the check is case sensitive. implements the well-known API of mutable mappings, like dict itself set onto the internal lookup set.). How can I check if a program exists from a Bash script? scheme) doesn't look possible without rewriting part of the container's The easiest way I've found to do this is by putting Python one-liners in the bash script. Copyright ©2001-2020. This class is useful when associating data with an environment that is case-insensitive, but retains case (such as the Windows filesystem). What kind of ships would an amphibious species build? After some time working with Json I’ve realized that properties on .net use Pascal casing and nodes of json use camel casing. Another common request is an identity dict, where keys are matched Notice: While Javascript is not essential for this website, your interaction with the content will be limited. http://www.cplusplus.com/reference/unordered_map/unordered_map/. Is there a way to do this in a Python one-liner, or am I going to have to find a different way to do this? Ask Question ... some of the keys are not lowercase. Even case-insensitive dicts can actually elicit different transformation JSON.NET can of course deserialize a dictionary out of the box but yesterday I needed to change the way the dictionary is created during deserialization.. How to remove a key from a Python dictionary? Python | Ways to sort list of strings in case-insensitive manner Last Updated: 11-05-2020 Given a list of strings, A task is to sort the strings in a case insensitive manner. It is a very common need in network programming, as many casing. 101, Articles, JSON, Things that I forget when I sneeze, Web. irrelevant to the container's operation. This PEP proposes a new data structure for the collections module, https://mail.python.org/pipermail/python-dev/2013-October/129937.html .  Legal Statements @chandrahasan JSON is case sensitive and the validator is implemented that way based on spec. Here's what I've got right now: Here's the problem... Chrome doesn't seem to care about case in its json files, and in some extensions, the case of the key that I've previously extracted (from the extension's manifest.json) into $nameKey does not match the case of the key in $localePath (a path to a messages.json file in one of the extension's _locales folders). How to ensure that a python dict keys are lowercase? keys can lookup the same value): TransformDict retains the first key used when creating an entry: The original keys needn't be hashable, as long as the transformation

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