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CHANGELOG


5.6

Bug Fix Update

  • Bug Fixes:
    • Fixed JSONDecodeError caused by the server now using a different encoding which requires the brotli package to be to installed to be able to decode. This is what causes the "Failed to fetch symbols. The program will exit now exit." error. Issue: #62 , #65 , #69 , #70
    • Fixed TypeError caused by breaking change in the newer versions of tksheet. Issue: #64 , #67
    • Fixed potential crash if you try to enable logging while running the .exe file
  • Code changes:
    • Updated request headers
    • Minor code improvements
  • Updated requirements.txt:
    • Added brotli to library to support decoding data from NSE in the br encoding format
    • Updated requests library version to exclude known vulnerable versions
    • Updated pandas library version to prevent breaking changes in the future
  • Updated documentation:
    • Added brotli in dependencies

5.5

Bug Fix Update

  • Fixed IndexError caused by NSE updating the method they use for loading symbols on their website. Issue: #54 , #55 , #56
  • No longer uses the web scraping technique to load symbols
    • Instead uses the API to load symbols as that is what the new NSE website uses
    • Removed beautifulsoup4 from requirements.txt as it is no longer required
  • Updated documentation:
    • Removed beautifulsoup4 from dependencies

5.4

Bug Fix Update

  • Fixed IndexError with tksheet versions >=5.0.29. Issue: #24 , #25 , #28 , #32 and #33. Pull Request: #34 (Thanks to @yjagota)
  • Fixed redundant code. Pull Request: #19 (Thanks to @QuickLearner171998)
  • Bumped dependencies to fix known vulnerabilities
  • Updated documentation:
    • Added new contributors to the list
    • Updated table formatting
    • Fixed typos

5.3

Feature and Bug Fix Update

  • New App Icon:

    icon_square

  • Improved Documentation

  • Added Option to alert if last time the data was updated is 5 minutes or more called Warn Late Server Updates

  • Downloading the app icon can be disabled now changing the value of load_nse_icon to False in the config file

    • This is to speed up loading times while using the .py version

  • Added Saving New settings for subsequent runs

    • New Saved settings:
      • Load App Icon
      • Warn Late Server Updates

  • Improved Logging:

    • New Logging messages:
      • Beta status
      • Beta version number

  • Disabled resizability for About window

  • Bumped dependencies for .py version

  • Removed numpy import by casting all numpy.float64 and numpy.int64 types to float and int

    • Removed numpy from requirements but will be installed by pandas anyways

  • Fixed icon not loading in .exe version

  • Prevents crashing the program if it fails to check for updates

  • Prevents crashing the program if icon fails to load correctly

    • Runs the program with the default icon instead

  • Program will exit if an error occurs while trying to load symbols

    • Error message window will be displayed before exiting

5.2

Compatibility and Feature Update

  • Added Support for Linux
    • Notifications only supports Windows 10
  • List of Stocks and Indices is loaded dynamically from https://www.nseindia.com/products-services/equity-derivatives-list-underlyings-information everytime
    • Program is now not required to be updated when there are changes in Stocks and Indices
  • Added name of stock or index in notifications
  • Reworked configuration reading and writing
    • Settings will stay persistent across updates
    • Only invalid values are corrected and missing values are appended
    • Unless a user tampers with it, the config does not reset completely
  • If your running the .py version, icons are now temporarily downloaded every time you run the program and need not be saved separately
  • Disabled text input in Dropdown menus on Login page to prevent errors
  • Improved Logging:
    • New Logging messages:
      • OS Name and Version
      • Error Class along with Error Message
  • Note: Users who are still running version 4.x are recommended to directly update to 5.2 to prevent settings from resetting

5.0

Major Feature Update

  • Added Support for Stocks (Total 141 Stocks). Issue: #8
    • Set Index Mode or Stock Mode then select your preferred Index or Stock
    • Values are in 10s in Stock mode and 1000s in Index mode (to compensate for low values of stocks)
    • Symbol of the Stock is present in the names of the .csv files
    • Appropriate Units are reflected in the headers of .csv files
  • Added Saving New settings for subsequent runs
    • New Saved settings:
      • Index/Stock Mode
      • Selected Stock
  • Fixed possible issues while reading configuration
  • Optimised retrieving data from the API

4.1

Feature and Bug Fix Update

  • Added Dumping Entire Option Chain data to a .csv file. Issues: #3 and #4
    • Dump Entire Option Chain is disabled by default (Enable from Option menu or Ctrl+O)
    • Saves this setting for subsequent runs
  • Added Notifications for changes in value of OI Upper and Lower Boundary Strike Prices
  • Renamed 'Export all to CSV' option to 'Export Table to CSV'
  • Fixed Call and Put OI for 2nd Strike Price not being displayed in K when the Strike Prices were consecutive
  • Fixed issues where export would fail and program would stop if the .csv file is open in some other program or is inaccessible
  • Fixed issue where program stops immediately if you start it before market opens when you have auto stop enabled
  • Prevents crash during Checking for updates due to poor internet connection
  • Fixed 'Quitting Program' being logged even if Debug Logging was off
  • Fixed possible issues while reading configuration

4.0

Major Feature Update

  • Added support for FINNIFTY index
  • Dropped support for NIFTYIT index
  • Added Live Exporting of Data rows to a .csv file
    • Live Exporting is disabled by default (Enable from Option menu or Ctrl+B)
  • Supports exporting data while running multiple instances with different indices and/or expiry dates selected
    • Filename contains the selected index and expiry date. For eg. NSE-OCA-NIFTY-14-Jan-2021.csv will only have the data for NIFTY and 14 Jan 21 regardless of the instance running
  • Adds Column Names to the .csv file if it is created for the first time
  • Added Toast Notifications on Windows when a state of a label changes (except PCR label)
    • Notifications are disabled by default (Enable from Option menu or Ctrl+N)
  • Added option to automatically stop the program at 3:30pm when market closes
    • Auto Stop is disabled by default (Enable from Option menu or Ctrl+K)
  • Added Auto and Manual Check for updates
    • Auto Check for updates are enabled by default (Disable from Option menu or Ctrl+U)
  • Added Saving settings for subsequent runs
    • Saved settings:
      • Selected Index
      • Refresh Interval
      • Live Export
      • Notifications
      • Auto stop at 3:30pm
      • Auto Check for Updates
      • Debug Logging
    • Settings are saved to NSE-OCA.ini
    • Resets NSE-OCA.ini file if incorrectly configured
  • Fixed issue where Points would be 0 for some strike prices. Issue: #6
  • Added NSE icon to all windows (if icon file is missing, default icon will be used)
  • Improved Option Menu
  • Improved messages in Alert boxes
  • Improved Buttons
  • Modified some Labels
  • Improved Logging:
    • New Logging messages:
      • Whether running instance is .py version or .exe
      • Version number
      • Logging Started
      • Logging Stopped
      • Program Quitting
    • Removed unnecessary messages:
      • 'Nse' object has no attribute 'options' 10
      • module 'sys' has no attribute '_MEIPASS' 0
      • invalid command name ".!combobox2" 4
    • Changed name of the log file from nse.log to NSE-OCA.log
  • Many Code Improvements

3.7

Feature Update

  • Added 2nd Highest Call and Put Open Interest and their corresponding Strike Price
    • It is calculated between the OI boundary range (highest in the range)
  • Added option to change refresh interval
  • Reworked Login Screen
  • Added Type Hints in code everywhere
  • Added requirements.txt
  • Reduced size of .exe by ~10%
  • Ceased releasing Python Compiled Files (.pyc/.pyw)
    • Since it runs only on specific versions of Python

3.5

Bug Fix Update

  • Fixed an issue when program would stop refreshing after a few hours (creates a new session everytime)

3.4

Bug Fix Update

  • Fixed an issue when program would stop refreshing after every ~2 hours (creates a new session everytime)
  • Fixed an issue when the program would stop refreshing after one connection error
  • Added Debug Logging (Use this to report any issues)

3.3

Bug Fix Update

  • Now uses sessions and cookies to access the website to solve many connection errors
  • Added units in bottom labels
  • Changed label "Points" to "Value"
  • Refactored code
  • Drastically reduced .exe size (~98MB to ~35MB)

3.2

Bug Fix Update

  • Fixed an issue when the program would stop responding if the internet connection is poor
  • Fixed an issue when no data would be retrieved if the program is run before the website updates for the first time on a day (~9:15 am)
  • Fixed an issue when no data would be retrieved if the expiry date selected expires when the program is running. This now throws an error and stops the program.
  • Added units in column labels
  • Slightly reduced the width of the program's main window

3.1

Bug Fix and .exe Update

  • Fixed error when the entered strike price is towards the upper limit or the lower limit of the table
  • The missing values will be set to 0
  • Used to auto-py-to-exe to compile the program to a .exe file (beta)
  • README.md updated

3.0

Major Compatibility Update

  • Now compatible with the new NSE website
  • Instead of scraping the data from the html the program now calculates the data from a json file which is also the implementation of the new website (Thanks to @medknecth)
  • Since the values on the new website display contracts instead of shares, the values in the program have been updated to display in thousands instead of lacs
  • Completely reworked the main code
  • Updated Login window
  • Dropped support for shares
  • Now only supports the following indexes: NIFTY, BANKNIFTY and NIFTYIT
  • Refreshes every 1 min now, increased from the earlier 30 sec
  • Requires a new module: json
  • Instructions about the data is included in README.md
  • Object Oriented
  • Miscellaneous bug fixes
  • Since the new website disallows and is made for preventing web scraping, you may encounter more connection errors

2.0

Major Feature Update

  • Added GUI
  • Red and Green colour indication for data based on trends
  • Added Stop and Start functionality
  • Added Export to .csv option
  • Added About window with version and links for developer GitHub profile, README, license, releases and sources
  • Instructions about the data is included in README.md

1.0

First Release

  • Enter the final URL from the browser and your preferred Strike Price
  • In case of network or connection errors the program doesn't crash and will keep retrying infinitely
  • If a ZeroDivisionError occurs or some data doesn't exist the value of the variable will be defaulted to 0
  • The program infinitely refreshes every 30 seconds
  • New data is printed only if the server time has changed (To prevent printing duplicate data)
  • Check README.md to see what data is printed and how it's calculated
  • PEP 8 format