cleaREST | Light-weight Python framework for building REST apis

 by   petr-s Python Version: Current License: MIT

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kandi X-RAY | cleaREST Summary


Light-weight Python framework for building REST apis

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            Community Discussions


            react-query and selectors and architecture
            Asked 2021-Jun-09 at 10:59

            I am removing some very intertwined global state from a new app (redux/sagas/selectors), to -> context api and react-query. There are tons of selectors integrated into this "global state", that is now needing to be refactored. I've only put a few, co-locating them with the mutations that generate the required data. BUT --

            What are your strategies of using "selectors" with react-query?

            Where are you locating these selectors, in the component folder or in a "selectors" folder, or sitting within the react-query useQuery in which the data is derived?

            So, just to be clear, I am using the new react-query selector functionality. My legacy APP has selectors globally & in the components proper, and I am not sure that is the clearest way.. also, especially if I have a useQuery wrapper sitting globally... just trying to sort out the architecture here.

            Any help is appreciated.

            Note: I guess we could have a "selectors" file (co-located) with the feature, but do we then import the useQuery hook I have and just do it there.. in a "selectors.ts" file IN the feature folder it is used in..... OR move the selectors INTO the useQuery wrapper hook file.

            1. What if these selectors are feature dependent (no other feature/part of the is gonna need them?).
            2. What if these selectors can be used globally?




            Answered 2021-Jun-09 at 10:59

            I personally try to keep as little things as possible global - mostly things co-located within a certain feature. If something really needs to be accessible everywhere in the app, it's likely it's own feature. If there is a single query that needs to be used in multiple features, I do have a top level queries directory where they are, but there is really not much in there.

            As for selectors: I inline them in the useQuery hook, if I need them more than once, I extract them to a function, and if that's get out of hand, I put them in a separate file next to the queries, like:



            Find JSON file with specific name pattern and contents in Inno Setup
            Asked 2021-May-17 at 06:07

            I have a working script, where the installer finds the specific file inside specific path but I need to slightly change it. I noticed that when I reinstall the application, the name of the file which I want to get the info from is different every time, so it's not that important as I thought.

            There are some things which are not changing although - the path to that variable filename, which I have defined already using the constant and can be used again and also the file extension. So if the path doesn't change, the search process could be a lot more quicker just for that. The file format is JSON and code for it is already applied in the script.

            Here is the JSON structure sample:



            Answered 2021-May-17 at 06:07

            To find a files with a specific extension, use FindFirst and FindNext functions.

            For each matching file you find, inspect its contents using the code you already have.

            You will need to adapt the code further, as it's not clear to me what you want to do in case of various kinds of errors.



            How to animate the filtering of a list using useTransition in react-spring
            Asked 2021-May-04 at 06:58

            I am trying to animate the transition of a list when filtered using the new useTransition hook changes in react-spring v9.x so that as list items are filtered the remaining items move to their new positions.

            So far I have managed to get components in the list to fade in and out but the remaining components just jump to their new positions instantly once the fade out animation has completed. I have not been able to change this.

            How do I animate the remaining components to smoothly move to their new locations?

            Here is a code sandbox link to the current code.

            You can see the jumping effect clearest if you type 'p' into search bar and watch the component with the name Plum jump up after a short delay.




            Answered 2021-May-04 at 06:58

            You can achieve that effect by hiding the filtered elements with max-height (along with fade). This way the items will "collapse" rather than just fade so remained elements will "slide" up.

            The transision



            Function Outputting Two outputs where 1 is required
            Asked 2021-Mar-31 at 14:11

            My code is currently taking 4 dice rolls and changing the values to 8 if they can be summed to 8.

            My function is able to correctly change (1,3,4,5) to (5,8) as required. However I run into a problem if my Dice roll is ( 1,2,6,5) for example as It is possible for two combinations of 8 to be made. eg (6,2 could be used or 1,2,5). I need my code to only output One of these solutions and I can't grasp how to do this.



            Answered 2021-Mar-31 at 14:02

            You could just store all answers in a list and just return the first element of that list.



            Using Tesseract to read dates from a small images
            Asked 2021-Mar-29 at 15:53

            I have a rather small set of images which contains dates. The size might be a problem, but I'd say that the quality is OK. I have followed the guidelines to provide the clearest image I can to the engine. After resizing, apply filters, lots of trial and error, etc. I came up with an image that is almost properly read. I put an example below:

            Now, this is read as “9 MAR 2021\n\x0c. Not bad, but the first 2 is read as ". At this point I think I'm misusing part of the power of Tesseract. After all, I know what it should expect, i.e. something as "%d %b %Y".

            Is there a way to tell Tesseract that it should try to find the best match given this strong constraint? Providing this metadata to the engine should heavily facilitate the task. I have been reading the documentation, but I can't find the way to do this.

            I'm using pytesseract on Tesseract 4.1. with Pytyon 3.9.



            Answered 2021-Mar-29 at 15:53

            You need to know the followings:

            Now if we center the image (by adding borders):

            • We up-sample the image without losing any pixel.

            Second, we need to make the characters in the image bold to make the OCR result accurate.

            Now OCR:



            Panda dataframe groupby and regression calculations
            Asked 2021-Mar-11 at 00:47

            I hope you are well.

            I'm currently trying to calculate regression on some group of a data frame but without success. I'm succeeding to calculate what I want but really don't know how to reintegrate the result to my origin dataframe due to the out data structure. I try 2 functions.

            I succeed for quintile and give you the code.

            Sorry for the size of this message but I'm trying to be the clearest I can.




            Answered 2021-Mar-11 at 00:47
            Without index

            In your first case you can retrieve the residuals separately for each group e.g. res_reg_group['A'].

            The ordering of the residuals should be preserved (although you might want to double check), in which case you can put them into a new column based on their grouping:



            How to combine drag and drop with sorting in a QTableWidget?
            Asked 2021-Mar-06 at 16:52

            In a QTableWidget I would like to be able to:

            • sort the table by columns and
            • change the row order by drag & drop of rows to a different position

            After a lot of outdated or confusing code snippets, so far, for me the clearest solution for moving a row I found here. And sorting can simply be enabled/disabled by setSortingEnabled(True/False).

            Draging and dropping works alone and sorting works alone, but not together.

            I guess what's going on is when dropping the table will be sorted again. So, I thought if I switch off sorting during dragging it should get the desired result, but it's not the case. Apparently, I doing something wrong.

            I am sure it must be a small detail, but what am I missing here? It looks like I need to get rid of the sorting arrow in the column header.

            Code: (should be copy & paste & run):



            Answered 2021-Mar-06 at 16:48

            You should turn off automatic sorting and use on-demand sorting instead. This will only sort by column when the header is clicked, and can be implemented quite simply via the header of the table-widget:



            Creating a generic "Cloneable" interface in typescript
            Asked 2021-Mar-05 at 20:42

            Consider a typescript interface that describes the constraint that an object has a .clone() method that returns an object of the same type (or potentially an object assignable to its own type). An example of what I'm imagining:



            Answered 2021-Mar-05 at 20:42

            TypeScript has polymorphic this types, where you use the type named this to refer to the "same type as itself" as you call it.



            "Column "parent_id" for "cte" is specified more than once" in SQL recursive query
            Asked 2021-Feb-17 at 17:46

            I have 5 SQL tables with columns as follows:



            Answered 2021-Feb-17 at 17:46

            Without some sample data (and parameter values) and expected output for that data (with those parameter values), it's difficult to verify this solution.

            I have assumed that your tbl_ou and tbl_department are in fact the same table.

            Other than the CTE, it looks like the rest of your code should work. The CTE below now travels "both" directions through the hierarchy (upwards and downwards), finding both parents and children. Note that it only finds parents of parents and children of children, it doesn't find children of parents, for example, so no "siblings", "uncles" or whatever these records should be called!

            You may need to cast both fields in the CTE seed record as the relevant data type. Based on the supplied data I have assumed that the datatype for department id (and therefore also for parent_id) is varchar(10).



            Airflow execution interval - is it standard to define the time slice using execution_date and next_execution_date?
            Asked 2021-Feb-08 at 16:35

            I am new to Airflow and have been reading around to try and code my DAGs to fit the standards for the tool. Thanks to plenty of warnings I got the gist around execution_date being at the start of a time slice. Where I have been less sure is in how to handle the end of the time slice.

            If I'm running a daily task to process records based on a timestamp, and especially if I want this to be idempotent, then I will need to bound the time slice at both ends. The clearest way to do this is to use execution_date and next_execution_date variables, as in the example below:



            Answered 2021-Feb-08 at 16:35

            Yes, using the interval bounded by [execution_date,next_execution_date) is exactly the right behaviour.

            In Airflow 2.1 or 2.2 we are investigating making this clearer, possibly by making these parameters be something like data_interval_start and data_interval_end

            A bit more detail is happening on

            (Source: I am an Airflow core developer.)


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


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