representer | web project , there is a high chance | Application Framework library

 by   futuresimple Ruby Version: Current License: MIT

kandi X-RAY | representer Summary

kandi X-RAY | representer Summary

representer is a Ruby library typically used in Server, Application Framework, Ruby On Rails applications. representer has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

When you’re working with a Rails/Sinatra or any other web project, there is a high chance that you used to_json or to_xml. The thing is that when you did that, you just lost control over the View layer. These are methods called on a Model. You can pass options, but you would do that in the Controller. There is no View layer. Representer fixes that by introducing an Object Oriented approach to views. You define a class which knows everything about the representation of a Model and use instances of the class to produce the serialized output. This makes it very simple to customize output in different situations, test and get sick speeds. Representer::Lightning is a subclass of Representer::Base, which does not instantiate ActiveRecord::Objects, but performs a direct SQL call and creates first pass the Array of Hashes using the SQL call result. When using Lightning, you can work on hashes and attributes you spefice using attributes.
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            kandi-support Support

              representer has a low active ecosystem.
              It has 45 star(s) with 2 fork(s). There are 6 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 3 open issues and 0 have been closed. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of representer is current.

            kandi-Quality Quality

              representer has 0 bugs and 0 code smells.

            kandi-Security Security

              representer has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              representer code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              representer is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              representer releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.
              representer saves you 645 person hours of effort in developing the same functionality from scratch.
              It has 1498 lines of code, 141 functions and 37 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed representer and discovered the below as its top functions. This is intended to give you an instant insight into representer implemented functionality, and help decide if they suit your requirements.
            • Builds a hash based on the attributes hash .
            • Creates a new instance for the passed DSL .
            • Converts the SQL SQL into a SQL table .
            • Extract the attributes from the object .
            • precast the model into the model
            • Add a record to the record
            • Runs through the first set .
            • Finalize the prepared document .
            Get all kandi verified functions for this library.

            representer Key Features

            No Key Features are available at this moment for representer.

            representer Examples and Code Snippets

            No Code Snippets are available at this moment for representer.

            Community Discussions

            QUESTION

            How to represent object properties in given context?
            Asked 2021-Jun-12 at 16:23

            I am looking for a solution to my problem I have a relation => Company has_many Councils, through CouncilCompany.

            And I would like to display Company in context of given Council, so if CouncilCompany has name property present display it over default Company name.

            ...

            ANSWER

            Answered 2021-Jun-12 at 16:23

            How about defining a representer for CouncilCompany instead, as it belongs to Company ?

            Source https://stackoverflow.com/questions/67231169

            QUESTION

            How to get rid of quotes in strings when using yaml.dump
            Asked 2021-Apr-21 at 11:52

            I am trying to use ruamel.yaml to generate cloudformation YAML templates from ordered dictionary. I need to prefix some of the strings with "!Sub" which is a cloudtemplate function reference in a way that it is not enclosed in quotes with the rest of the strings, e.g.:

            ...

            ANSWER

            Answered 2021-Apr-21 at 11:51

            First of all you really shouldn't be using the old API anymore, there has been a new one, which allows much more control over what you are doing for several years now.

            Second, you cannot put something that looks like a tag inside a string and not get quotes, during loading that would load like a tag and you might want that, but that would make an infinite number of strings (all those starting with !) non-representable in YAML.

            If you don't know where to start, the thing to do is try and round-trip (load then dump) your required result:

            Source https://stackoverflow.com/questions/67194300

            QUESTION

            ruamel.yaml - how to output null instead of !!null '' when default_flow_style=None
            Asked 2021-Mar-05 at 17:32

            Using ruamel.yaml in Python, if I dump with the SafeRepresenter or RoundTripRepresenter and default_flow_style the default, null is represented as expected.

            ...

            ANSWER

            Answered 2021-Jan-12 at 22:08

            I see two possible solutions.

            The easiest solution is to use typ='safe' instead of typ='rt'. This is what I generally do , but if you're relying on ruamel.yaml's ability to preserve things like comments, this isn't an option.

            You can create a representer for None values like this:

            Source https://stackoverflow.com/questions/65692460

            QUESTION

            Copy aliases to separate Python objects when loading YAML with ruamel.yaml
            Asked 2020-Dec-24 at 10:56

            When loading YAML data using ruamel.yaml, anchors and their aliases in the YAML file are the same object in Python:

            ...

            ANSWER

            Answered 2020-Dec-24 at 10:56

            There is no built-in functionality to do what you want. Any time you encounter an alias, you would have to create a node structure in the composer recursively instead of just returning the anchor node for the alias.

            The need for anchors and aliases in YAML documents arises from the need to be able to represent recursive data structures:

            Source https://stackoverflow.com/questions/65434347

            QUESTION

            ruamel yaml disabling alias for dumping
            Asked 2020-Nov-06 at 16:34

            I've been digging through documentation for the past two days and struggling to find any recent example of how to handle the ignore_aliases() call.

            The config object is a python dict containing the list of dicts. The output below is generated if I disable the ignore_aliases() call.

            ...

            ANSWER

            Answered 2020-Nov-06 at 15:25

            First of all, I don't think the output you present is complete, as it is invalid YAML and I certainly hope ruamel.yaml did not generate that as shown (if it did file a bug report with the complete source).

            I don't know where you got that example from but the method ignore_aliases() is called with a data structure and should return True if any aliases should be ignored. It is not something you call yourself. You can subclass the Representer or monkey-patch that on the RoundTripRepresenter.

            The method in representer.py should take a data parameter and always return False:

            Source https://stackoverflow.com/questions/64716894

            QUESTION

            Django how to make a pivot table?
            Asked 2020-Oct-14 at 19:21

            I'm having trouble making a pivot table of my data. The data I'm taking from the user is : Driver name, Date, The commission, The branch, and some others but those are the ones that i want to Make an pivot table of. so Here's the model that's gonna take the important fields.

            models.py

            ...

            ANSWER

            Answered 2020-Oct-14 at 19:21

            Solved! I used pandas to make DataFrame then into pivot table, then send it through context to my template. Also Taking the year of the report through the url that it's written by user. here's my views.py :

            Source https://stackoverflow.com/questions/63154077

            QUESTION

            AWS - Get rid of Elastic Load Balancing
            Asked 2020-Aug-31 at 12:01

            I've an app running on AWS. Currently, my frontend is hosted on S3/cloudfront which communicates with my EC2 instance through a Elastic Load Balancing (ELB). ELB handles the SSL certificate.

            I just have one EC2 instance. So, I don't really need the ELB. My free tier period is over... ELB representer 40% of my bill !

            How can I get rid of ELB without losing the SSL configuration ?

            Thanks in advance !

            ...

            ANSWER

            Answered 2020-Aug-31 at 12:01

            The best approach to keep an AWS ACM SSL whilst removing your load balancer would be to instead use CloudFront for your EC2 host.

            If this is a different domain to your existing CloudFront distribution, you would need to create a new one which will serve your app traffic. This would have a custom origin that would resolve to the public CNAME of the EC2 host (this will require the EC2 host to be publicly resolvable).

            IF it shares the same domain, your CloudFront distribution would need to be updated to include a secondary behaviour that maps to your EC2 hosts public hostname.

            Please note for this option your instance must be public, this means that it is possibly to bypass CloudFront to perform this option. If you do not have a valid SSL on this EC2 host you will need to configure the CloudFront distribution to speak to the origin using HTTP.

            An alternative (or combined option) would be to use a service such as certbot that can generate a valid SSL for your domain. This will ensure any public ingress to the instance can be encrypted securely over HTTPS.

            Source https://stackoverflow.com/questions/63670163

            QUESTION

            How to get similarly formatted yaml for "safe" and "round-trip"
            Asked 2020-Jul-02 at 05:01

            ruamel.yaml formats a simple, but nested dictionary differently depending on if it's using the safe or the round-trip representer.

            I can't see why the different repersenters should format such a simple dictionary differently, so I'm wondering how to get the safe representer to look similar to the round-trip one in the following example:

            ...

            ANSWER

            Answered 2020-Jul-02 at 04:58

            The output of the"safe" mode is what PyYAML, from which ruamel.yaml was orginally derived, gives by default, the "leaf collections" are in flow-style. That is more compact, than the all-block-style output of the default (typ="rt"), which doesn't always increase readability. Especially in low numbers of total items (so the total fits in a window), or when the leaf collections have many items (and they wrap over multiple lines).

            So the reason why round-trip defaults to all-block-style is because I agree that it looks nicer. Of course when round-trip is used for its intended purpose, the original style of each collection is preserved.

            The difference is caused by the default_flow_style attribute on the YAML() instance set to None for "safe" mode and to False for "rt" mode:

            Source https://stackoverflow.com/questions/62688584

            QUESTION

            New PyYAML version breaks on most custom python objects - RepresenterError
            Asked 2020-Apr-07 at 01:47

            About 5 hours ago, version 4.1.0 was released. It is breaking my unit tests. Here is a clean MVCE displaying this:

            Version 3.12:

            ...

            ANSWER

            Answered 2020-Apr-07 at 01:47

            In PyYAML 4.x, dump is an alias for safe_dump, which won't handle arbitrary objects:

            Source https://stackoverflow.com/questions/51053903

            QUESTION

            YAML - Dumping a nested object without types/tags
            Asked 2020-Mar-14 at 01:10

            I'm trying to dump some Python objects out into YAML.

            Currently, regardless of YAML library (pyyaml, oyaml, or ruamel) I'm having an issue where calling .dump(MyObject) gives me correct YAML, but seems to add a lot of metadata about the Python objects that I don't want, in a form that looks like:

            !!python/object:MyObject and other similar strings.

            I do not need to be able to rebuild the objects from the YAML, so I am fine for this metadata to be removed completely

            Other questions on SO indicate that the common solution to this is to use safe_dump instead of dump.

            However, safe_dump does not seem to work for nested objects (or objects at all), as it throws this error:

            ...

            ANSWER

            Answered 2019-Apr-24 at 10:50

            Although the words "correct YAML" are not really accurate, and would be better phrased as "YAML output looking like you want it, except for the tag information", this fortunately gives some information on how you want your YAML to look, as there are an infinite number of ways to dump objects.

            If you dump an object using ruamel.yaml:

            Source https://stackoverflow.com/questions/55826554

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install representer

            You can download it from GitHub.
            On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
            Find more information at:

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            https://github.com/futuresimple/representer.git

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            gh repo clone futuresimple/representer

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            git@github.com:futuresimple/representer.git

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