Streamlit cache - I’ve found that I need to cache my basic load_data () function in order to prevent the app from reading the data each time there’s a request.

 
Summary Hi! As <b>streamlit</b> 1. . Streamlit cache

getvalue() st. cache_data, however using it causes an error: UnserializableReturnValueError: Cannot serialize the return value (of type list) in run_query(). – or –. Sorting considers numbers in the filename to be actual numbers (integers):Files that have a number appear before files without a number. But st. Command-line interface. Caching seems to make it run faster the second time when refreshing the same page. You are also correct that, if you call cache_data on a function 100 different times with 100 different parameters, you can expect the total amount of memory used to climb approximately 100x. The hamburger menu is now divided into the main section (visible to everyone) and the developer section (visible to. Function decorator to cache functions that return data (e. Not sure exactly, which action triggered the cache clearing. the remote server, not the users’ local disk. Streamlit will also use Snowflake config and credentials from a SnowSQL config file if available. I basically searched how to cache async functions to functions, and found this. cache was serving the following use-cases: Storing computation results given different kinds of inputs. Put the files you need in your folder and under git control and for example just do: df = getData ("TestData. I’ve set all cache to save to disk so it’s unclear why ram grows. Also I'm working in an anaconda environment which is running on conda 4. Display a download button widget. Found out about streamlit last week, and it has been a game changer in my workflow. We recommend using one of the new caching decorators @st. rrpelgrim July 26, 2021, 8:36am 1. When I pip install streamlit in my base env it will run with no problems but in my dev-env it won't run and I get the following error: streamlit run case. This resets all memory, CPU, and disk usage. I want to create a child class for a MapGallery so I can override the. still doesn’t work. Cache data. I tried to solve it with a concurrent. Check out our documentation on multipage apps. experimental_singleton, to cache data and store global objects more easily and faster. When decorating a function with @st. Streamlit's unique execution model is a part of what makes it a joy to use: your code executes from top to bottom like a simple script for every interaction. You can convert Pandas dataframes to Polars dataframe and viceversa with the Polars to_polars and to_pandas function. Mar 11, 2023 · Streamlit's caching functions hash the input parameters and cached function's signature to determine whether the function has been run before and has a return value stored ("cache hit") or needs to be run ("cache miss"). datetime": lambda dt: dt. Cookie settings Strictly necessary cookies. These cookies are necessary for the website to function and cannot be switched off. Setting cache TTL - 🎈 Using Streamlit - Streamlit. Hi @Hayk_Martiros,. import streamlit as st # Enable widget replay @st. Try clearing streamlit cache then in the call to AgGrid instead of the update_on=['cellValueChanged'] I posted above try update_mode="value_changed". This property lets you store Python primitives such as integers, floating-point numbers, complex numbers and booleans, dataframes, and even lambdas returned by functions. pop (key) st. It also persists objects across reruns and sessions. Check out our documentation on multipage apps. Thanks I knew but the course I follow uses Streamlit 0. experimental_memo and their respective. experimental_singleton caches a function for the same set of arguments across all sessions of a streamlit app. datetime): return dt. It is claimed to be the fastest way to do so. I am trying to cache 3 different datasets that my dashboard needs to run. I am trying to cache 3 different datasets that my dashboard needs to run. This article reinforces the value that Docker brings to AI/ML projects — the speed and consistency of deployment, the ability to build once and run anywhere, and the time-saving tools available in Docker Desktop. I also want to display a SHAP summary plot with the whole train dataset. You can clear the cache with “C” or via the hamburger menu only if you are viewing the app as a developer. file_uploader ("FILE UPLOADER. San José Mineta International Airport (IATA: SJC, ICAO: KSJC, FAA LID: SJC), officially Norman Y. cache for storing data you pulled in from a database connection (for a Tensorflow session, for caching the results of a long computation like. feature:cache Related to st. cache def get_phrase_data(start_date, end_date, phrases=None, at_time=None, **kwargs): """Wrapper for :func:`load_metadata_for_period` for Streamlit caching start_date and end_date should be ISO format strings in UTC for date """ #print('get_phrase_data',. Hi , I have hard time caching my uploaded file, I want to used it on all of the others pages of my application, the user upload the source file on the app main page. I recently found out that i can cache the repetitive data using @st. If I understand well Streamlit cannot hash an object of type <class ‘dict’>. However, I have been scrambling to optimize the application so that it can be used by many users at once while deployed on a fairly small EC2 instance on AWS (2CPUs and 2GB of memory). This is used to override the behavior of the hasher inside Streamlit's caching mechanism: when the hasher encounters an object, it will first check to see if its type matches a key in this dict and, if so, will use the provided function to. button ("Clear history cache"): mutable_object. To cache a function in Streamlit, you need to decorate it with one of two decorators (st. Learn how to cache functions and resources in Streamlit, a Python library for interactive data analysis and visualization. While caching the body of load_mongo_data(), Streamlit encountered an object of type pymongo. cache (hash_funcs= {cv2. py import streamlit as st from page import login. Also, stop by the forum to show off your multipage apps with the Streamlit community! 🎈. for k, v in st. cache, session-state, pandas. # streamlit_app. Please use one of Streamlit’s new caching commands, st. And since we don’t want our app to load the data every single time any change is made to the code. Copy streamlit files in C:\Users\AppData\Roaming\Python\Python36\Scripts and paste them into your C:\ProgramData\Anaconda3\Scripts and run your streamlit code in anaconda prompt. Alternative to hash_funcs in caching. 7 in the core library and Streamlit Community Cloud. Sep 8, 2020 · While caching the body of load_mongo_data(), Streamlit encountered an object of type pymongo. cache_data, however using it causes an error: UnserializableReturnValueError: Cannot serialize the. cache has no impact for me. priority_high Warning. Streamlit failed to hash an object of type <class 'tuple'>. I am not too familiar with caching so maybe someone could shed some wisdom onto my problems. Juan_Calvo_Ferrandiz August 24, 2020, 1:05pm 5. Using Streamlit cache with Polars. You can convert Pandas dataframes to Polars dataframe and viceversa with the Polars to_polars and to_pandas function. WriteConcern, which it does not know how to hash. Go check it out: Session State for Streamlit 🎈 Hello there 👋 For a project I needed to build multi-page app with a settings page. Steps to reproduce This snippet demonstrates the issue here: import streamlit as st import numpy as np import matplotlib. I’ve found that I need to cache my basic load_data () function in order to prevent the app from reading the data each time there’s a request. Docker is useful in developing and deploying apps to any server without worrying about dependencies and environments. cache decorator, but as soon as I add it and rerun the app, the function summary_plot_all runs indefinitely IN: @st. 0; Copy above snippet to app. We recommend using one of the new caching decorators @st. It is named after San Jose native Norman Mineta, former United States. CacheKeyNotFoundError: Key not found in mem cache. cache_data as a replacement to cache data. Function signature; st. session_state [k] = v. cache and Session State allow you to store data across reruns, they serve different purposes. This should be simple and smooth, but I ran into some troubles: Official tutorial Connect Streamlit to a public Google Sheet now contains @st. MEMORY) async def get_channel_details (channel):. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. However, when I try to load it with streamlit the process never comes to an end. They allow your app to stay performant even when loading data from the web, manipulating large datasets, or performing expensive computations. Also, stop by the forum to show off your multipage apps with the Streamlit community! 🎈. 2nd run time expected: 0 sec. ScriptRunner import RerunException raise RerunException. I still occasionally see a “muted arguments” warning. When Streamlit re-runs, the file will be uploaded and run through any process you have in the if submitted and file is not None statement, and the file_uploader at the top will be cleared and ready for the next file or “batch”! Happy Streamlit-ing! with st. Hi Guys! (sorry me again, I’m on a roll with questions today! 😛) I’m trying to upload tabular data from the file uploader. A simple UI with a Streamlit framework is developed to interact with the chat app. experimental_memo has been trying to resolve the errors that come when Streamlit isn’t able to hash or pickle something. At the moment each instance of the service has its own Streamlit cache, which means users will often get a cache hit that’s followed immediately by a miss when their next request gets routed to another instance. Streamlit Translating st. cache def get_data (filelist): data, freqs, time, pi_dict_list = <readdata> (filelist) return data, freqs, time, pi_dict_list def. I have been updating my apps to recent streamlit versions. Secrets management unhashable in @st. py中改了如下两行: pre_seq_len=128, self. cache_data implicitly uses the pickle module, which is known to be insecure. cache_resource, the new caching commands that simplify and optimize caching of data computations and global. py) with the following command-line flag: streamlit run app. cache_resource to only run once. session_state on any page. cache decorator, for ex. cache_data or st. runtime import caching, legacy_caching File "C:\Users\anaconda3\lib\site-packages\streamlit\runtime\caching_init. build_plot (args) Methods are slow because of preprocessing for data visualisations and I’ve thought that I could just cache results of the methods and use st. experimental_singleton(experimental_allow_widgets=True) def func(): # Contains an input widget st. Steps to reproduce This snippet demonstrates the issue here: import streamlit as st import numpy as np import matplotlib. read_sql(sql, con = connection) return df. There are lots of rows in my DB (= lots of data to. Session State and Widget State association. Streamlit offers different caching functions for different purposes. Hello everyone, The setting I have an application where Streamlit is querying a database for lots of data on a daily basis and caching these queries. cache in this way will persist a single global selection across multiple browser sessions, and will allow anyone to clear the selection via the Streamlit menu -> 'Clear cache', which could be a problem if multiple users are accessing the script at the same time. multiselect() to write to your Streamlit app from within some cached code at newc(). empty () load_general = load_General () load_role = load_Role (). In your code, my_image = Camera() is only run when option==0 ; when the radio button switches to the other option, my_image never gets defined. Not sure of OS. form ("my-form", clear_on_submit=True): file = st. And I tried for the first time using @st. cache_data tells Streamlit that whenever the function is called, it checks two things:. Welcome to the Streamlit community! The clear_cache method has moved to streamlit. The Streamlit cache allows your app to stay performant even when loading data from the web, manipulating large datasets, or performing expensive computations. experimental_singleton to st. cache を活用することで処理の重いグラフの描写などの処理を高速化することができるなど、Streamlitアプリケーションのパフォーマンス. 2023-10-18 10:43:27. Cookie settings Strictly necessary cookies. cache as I am thrown &hellip;. Because you don’t have a data source, you’ll need to simulate a live data feed. snowpark import Sessionp. Thank you for making it! I’ve run into some trouble with caching. cache on. experimental_memo and st. This article reinforces the value that Docker brings to AI/ML projects — the speed and consistency of deployment, the ability to build once and run anywhere, and the time-saving tools available in Docker Desktop. We'll create a new branch, make a modification to data_gen. cache(allow_output_mutation=True) and when I run a query at the streamlit page. connector, st. Command-line interface. 0; Copy above snippet to app. 0 has officially introduced session state. 764 Session state does not function when running a script without streamlit run; Is there a way to accomplish either of these solutions?. rcsmit July 8, 2021, 11:24am 5. The airport is located in Alajuela Province, 20 kilometres (12 mi; 11 nmi) west of downtown San José. cache def my_function(condition): if condition: progress = state. cache(allow_output_mutation=True) def get_data(site): return get_site_data() with this: import ccb @st. The resulting dataset is around 20MB after optimizing dtypes. cache is designed to cache the results of long-running computations to improve performance, while Session State is designed to store user interaction data across reruns. I am doing so this way: @st. datetime): return dt. Mineta San Jose International Airport and branded as San José Mineta International Airport, is a city-owned public airport in San Jose, California, United States. I’m trying to cache initialization of a StyleGAN2 class datastructure (which includes loading model weights from a file or online). This makes the application run much faster. What I want to do is simple, I am loading a pandas dataframe as. Frontend Streamlit UI. cache not working as expected. 1 documentation. 0 release, we have updated the configurable hamburger menu options!. Install & Import streamlit run first_app. csv’)) data [‘2’] = custom_function ( (os. If the path to HOME is /home/, you can find the file in /home/. I write a script to use streamlit to show the data of the monitorin and I push the option to load a old file or detect a new file and with your code detect that change (update) and update the dataframe and graphics. cache_data and I try to get a new value, I get a warning: CachedStFunctionWarning: Your script uses st. Add kwarg allow_input_mutation=True that suppresses this warning and doesn't check inputs when pulling from the cache. I’ve found that I need to cache my basic load_data () function in order to prevent the app from reading the data each time there’s a request. py streamlit hello streamlit config show streamlit cache clear streamlit docs streamlit --version Pre-release features. If you want to speed things up, you can add allow_output_mutation=True to your @st. A simple UI with a Streamlit framework is developed to interact with the chat app. Feb 16, 2020 · This is an optional solution that can be applied to some cases: You can use the allow_output_mutation option: import streamlit as st @st. cache, and how to use. cache_data, you won't see anything change. The API reference is organized by activity type, like displaying data or optimizing performance. It also persists objects across reruns and sessions. I am loading a custom css file to change the font of the app, I am doing this in every page. Pre-calculate inputs and cache whenever possible. cache_resource and put all the functions in a function call. Hi i am using @st. connector, st. experimental_memo is used to memoize function executions. The problem here is I’m using caching. The experimental cache primitives described on this page were deprecated in version 1. See examples of how to cache functions with different arguments, bodies, and inner functions, and how to configure the cache's behavior with arguments. experimental_singleton(experimental_allow_widgets=True) def func(): # Contains an input widget st. With the 0. cache_data def fetch_and_clean_data(_db_connection, num_rows): # Fetch data from _db_connection here, and then clean it up. Defines a custom function to create a Snowflake session and caches the session using Streamlit’s caching mechanism. ) st. Despite using the cache decorator @st. Or add the argument allow_output_mutation=True to the st. You can just clear the dictionary - there should be a. Hi @Hayk_Martiros,. When I uncomment the line, the caching works as I expect it too. It features a custom version of @thiago’s SessionState. Hi @Hayk_Martiros,. Any other variable used by your functions changed. Afterwards, subsequent calls are to the dictionary. This code will only be called when we detect a cache “miss”, which can lead to unexpected. When a function decorated with @st. ; Files are sorted based on the number (if any), followed by the title (if any). Which indicates that the caching is working as expected. connector, st. As I’ve seen this topic requesting the feature, I decided to share the solution I came up with. randyzwitch Closed May 13, 2022, 8:43pm 17. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. Docker is useful in developing and deploying apps to any server without worrying about dependencies and environments. Another approach is to set your own hash function for the cv2. This should be simple and smooth, but I ran into some troubles: Official tutorial Connect Streamlit to a public Google Sheet now contains @st. I can’t figure out how to get scraped URLs ready for user selection. cache, pandas. A detailed analysis of open-source Streamlit apps indicated that @st. Function signature; st. Note that using @st. I looked at the documentation but I still cannot figure out why it does not. 🎈 Using Streamlit. cache_data does have a parameter called persist – this might be what you’re looking for? Optional location to persist cached data to. cache decorator to cache functions and variables in your Streamlit app and improve its performance. Mar 27, 2020 -- It is straightforward now how to create a web app using Streamlit, but there are a lot of things that it doesn't allow you to do yet. cache_resource to cache functions that return global resources and share them across users, sessions, and reruns. set_page_config(layout="centered") @st. Hi Guys! (sorry me again, I’m on a roll with questions today! 😛) I’m trying to upload tabular data from the file uploader. If the user checks the checkbox (thereby changing its state), we look up the cache for the same value of x (2) and the same checkbox state. Write your Streamlit app. cache_resource to cache functions that return global resources and share them across users, sessions, and reruns. import streamlit as st import time @st. I wonder if streamlit developers can provide. Actually this problem is not with caching, but a side-effect of streamlit executing model, from enum import Enum import streamlit as st class A (Enum): Var1 = 0 @ st. cache (allow_output_mutation=True) def get_database. cache_data def long_running_function(param1, param2): return In this example, decorating long_running_function with @st. Sep 22, 2021 · A detailed analysis of open-source Streamlit apps indicated that @st. I’m reading. cache was serving the following use-cases: Storing computation results given different kinds of inputs. We recommend using one of the new caching decorators @st. The data lives on until the Streamlit app re-runs from top-to-bottom, which is on each widget interaction. Oct 13, 2022 · Caching in Streamlit Goal - 1. You can clear the cache with “C” or via the hamburger menu only if you are viewing the app as a developer. These commands are faster, simpler, and more performant than st. ### Steps to reproduce. BramVanroy March 6, 2023, 2:27pm 1. Debug info. Read through Advanced features for things like caching, theming, and adding statefulness to apps. Setting cache TTL - 🎈 Using Streamlit - Streamlit. numpy () p = getData () In contrast, Streamlit correctly caches this operation, which loads in a PyTorch tensor: @st. In our caching docs, we explain in great detail the behavior of st. Open your Terminal or Command Prompt in the same path where the app. See st. free download music from youtube, ah hmu hd myanmar meaning

Hello together! I would like to use the great 🤗 Huggingface transformers in a streamlit app. . Streamlit cache

Is there a way to do this ? Thanks in advance for the help !. . Streamlit cache rgonewild30plus

app_session import AppSession File “C:\Users\anaconda3\lib\site-packages\streamlit\runtime\app_session. Try adding more pages to the app we've just built as an exercise. Streamlit hashes the function and its dependent code. experimental_singleton and st. Describe the bug 报错信息如下: [root@3533eda25ddc InternLM]# streamlit run web_demo. cache works, in many cases we also recognize that it fails when encountering certain objects like Tensorflow sessions, SpaCy objects, Lock objects, and so on. for k, v in st. Learn how to cache functions and resources in Streamlit, a Python library for interactive data analysis and visualization. I’ve found that I need to cache my basic load_data () function in order to prevent the app from reading the data each time there’s a request. cache! Caching is one of the most beloved and dreaded features of Streamlit. cache, and how to use st. Care can — and probably should — be made to clear the credentials from Streamlit memory/cache/session state once the connection has been established. build_plot (args) Methods are slow because of preprocessing for data visualisations and I’ve thought that I could just cache results of the methods and use st. Hello, First post out here. cache decorator, but as soon as I add it and rerun the app, the function summary_plot_all runs indefinitely IN: @st. I have a streamlit page which displays data retrieved from a xls file at a fixed URL. cache_resource, the new caching commands that simplify and optimize caching of data computations and global. To cache a function in Streamlit, you need to decorate it with one of two decorators: st. Via the command line: type streamlit cache clear. However, a single user sessions results in a 300MB memory usage and further sessions increment the usage further and. Improve this answer. The current process is: Enter your search parameters. ☁️ Streamlit Community Cloud. It’s a bit hacky, but it does the trick. Note that using @st. Juan Santamaría International Airport (Spanish: Aeropuerto Internacional Juan Santamaría) (IATA: SJO, ICAO: MROC) is the primary airport serving San José, the capital of Costa Rica. And I tried for the first time using @st. cache responses when i’m doing something on the page. 0 has officially introduced session state. The data lives on until the Streamlit app re-runs from top-to-bottom, which is on each widget interaction. It features a custom version of @thiago’s SessionState. Streamlit's caching mechanism allows developers to store the results of function computations in a cache, enabling faster data retrieval and improved app performance. empty () load_role = st. However, our Streamlit dashboard service is not stateless due to the way session state and caches are implemented. There’s any native way to do this? current behavior @st. 0 has officially introduced session state. Note 2 : First run will load the model using the get_model function next run will use the chace. cache_resource, the new caching commands that simplify and optimize caching of data computations and global resources in Streamlit. Sep 11, 2023 · Put the files you need in your folder and under git control and for example just do: df = getData ("TestData. Not sure exactly, which action triggered the cache clearing. Now click on the three dots in the sidebar and then on Reboot app. These commands are faster, simpler, and more performant than st. Actually this problem is not with caching, but a side-effect of streamlit executing model, from enum import Enum import streamlit as st class A (Enum): Var1 = 0 @ st. cache! Caching is one of the most beloved and dreaded features of Streamlit. priority_high Warning. Hi Guys! (sorry me again, I’m on a roll with questions today! 😛) I’m trying to upload tabular data from the file uploader. We can add the additional functionality of displaying raw data on the web app by adding a checkbox at. In addition, its graphical user interface is highly intuitive and straightforward ensuring that the learning curve is very shallow. cache and Session State allow you to store data across reruns, they serve different purposes. I’ve a module (data_analysis. cache_data def get_organization(user): return "organization from the user" # write this 2 lines, every time in the app user = st. button ("Clear history cache"): mutable_object. cache, pandas. cache(persist= True) which helps us to cache the outputs to disk and use it at any time. No server needed, either! Combine them for a serverless web app with persistent data, written entirely in Python!. Reproducible Code - import streamlit as st from streamlit import caching st. snowpark import Sessionp. experimental_singleton(experimental_allow_widgets=True) def func(): # Contains an input widget st. experimental_singleton and @st. I tried to cache part of it, without success. cache is called, Streamlit checks if the function has been called with the same inputs before. ; When files are sorted, Streamlit treats the number as an actual number rather than a string. Based on this function’s return value of type bytes,. eduardochaves February 19, 2023, 4:37pm 1. Streamlit is a lightweight and faster way of building and sharing data apps. With the 0. This includes all objects stored in the memory cache as well as the disk cache (if any). CacheKeyNotFoundError: Key not found in mem cache. cache_data and I try to get a new value, I get a warning:. The problem is that everytime that I change page it clears the data that have been uploaded previously. cache_resource instead. I have a simple login/logout need for the streamlit dashboard with multiple users. cache_data and I try to get a new value, I get a warning:. Caching other object via memo is going to be essential so happy to see performance increase. If __import__ gets the enum as an importable target, it returns with a specific enum module. import streamlit as st # Enable widget replay @st. Problem Streamlit hangs (no output, can only be killed) when I apply @st. This is an optional solution that can be applied to some cases: You can use the allow_output_mutation option: import streamlit as st @st. But as well as st. cache (allow_output_mutation=True) def get_database. cache def load_my_model (): model =. While caching the body of load_mongo_data(), Streamlit encountered an object of type pymongo. Streamlit provides a frictionless way to create multipage apps. Feb 16, 2020 · To programmatically clear the cache from Python you could do the following. In your code, my_image = Camera() is only run when option==0 ; when the radio button switches to the other option, my_image never gets defined. Secrets management unhashable in @st. This topic was automatically. The app uses sqlalchemy to query data from a database. WriteConcern, which it does not know how to hash. I want to predict a classification by. The API reference is organized by activity type, like displaying data or optimizing performance. However, a single user sessions results in a 300MB memory usage and further sessions increment the usage further and. but whenever i click any of the widgets or buttons, the page starts reloading and the image fades away for a while and then comes back, seems like its reloading to the memory again. Display a download button widget. To showcase its power, let's run an example. 🐍 We've deprecated support for Python 3. But as well as st. py", line 327, in _read_from_mem_cache raise CacheKeyNotFoundError("Key not found in mem cache") streamlit. I’ve just tried this. How to disable component caching. cache decorator. If your Streamlit app uses caching, it is best practice to set up one of these options. Don’t use absolute paths from your local filesystem. cache_data and @st. Just to clarify on a technical point: it’s fine for the return value of an st. Firestore lets you store and fetch data. download_from_GCS (b=a, c=a+10) print (a) c (). Using st. Summary Hey! I started using the multi pages feature to create a streamlit app, so far its been nice. URL params are visible to users, so don’t use this method for sensitive data. When Streamlit re-runs, the file will be uploaded and run through any process you have in the if submitted and file is not None statement, and the file_uploader at the top will be cleared and ready for the next file or “batch”! Happy Streamlit-ing! with st. Hello, I find streamlit to be an incredible app developing library - thanks for the awesomeness! I am developing a streamlit app which uses sqlalchemy. cache_data, managing a cursor, and converting the row result format! Today, we’re thrilled to release st. datetime): return dt. Currently this is what I'm doing: from loading import load_data as _load_data @st. When I pip install streamlit in my base env it will run with no problems but in my dev-env it won't run and I get the following error: streamlit run case. Feb 14, 2023 · Introducing two new caching commands to replace st. cache will never support caching Polars dataframes. Each time a new “Project” is chosen, the function does not run. WriteConcern, which it does not know how to. None (or False) will disable persistence. cjbumgardner October 20, 2019, 12:22am 1. These commands replace the existing @st. Oh, and you can’t forget to add Streamlit caching capabilities! For example, you can see the 14 lines of code in our original MySQL tutorial using a mysql. priority_high Warning. We are trying to cach the rendering of matplotlib plots to improve the performance. Now getting below error:-UnhashableTypeError: Cannot hash object of type pymongo. Sep 9, 2021 · Tip 1: Reboot your app (temporary fix) If you need to restore access to your app immediately, reboot your app. cache_data decorator chokes on uuid. cache now caches to memory instead of to disk. . sniper 1000 ec ddvp amazon