161 Commits

Author SHA1 Message Date
110a740d5d Update ciphers/caesar_cipher.py with type hints (#3860)
* Update caesar_cipher.py

improved for conciseness and readability

* Add type hints

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
2020-12-10 22:55:57 +05:30
ce3ce3f8a8 Replace base64_cipher.py with an easy to understand version (#3925)
* rename base64_cipher.py to base64_encoding.py

* edit base64_encoding.py

* import necessary modules inside doctests

* make it behave like the official implementation

* replace format with f-string where possible

* replace format with f-string

Co-authored-by: Christian Clauss <cclauss@me.com>

* fix: syntax error due to closing parenthese

* reformat code

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-11-25 13:38:02 +01:00
9bf7b183e7 Improve Base16 Codebase (#3534)
* Add doctest and remove input() usage

* Apply suggestions from code review

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
2020-11-23 13:01:43 +05:30
b9b7fffcc2 Move CI tests from Travis to GitHub (#3889)
* Add initial support for moving tests to GitHub

* Add setup Python step in the workflow

* Remove Travis CI config file

* Fix GitHub action file for build to trigger on PR

* Use Python 3.8 as tensorflow is not yet supported

* Fix ciphers.hill_cipher doctest error

* Fix: instagram crawler tests failing on GitHub actions

* Fix floating point errors in doctest

* Small change to test cache

* Apply suggestions from code review

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update instagram_crawler.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-11-19 22:01:31 +05:30
9b95e4f662 Pyupgrade to python3.8 (#3616)
* Upgrade to Python 3.8 syntax

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-10-21 12:46:14 +02:00
2ec3750885 create monoalphabetic cipher (#3449)
* create monoalphabetic cipher

* update file

* update file

* update file

* update file

* update file

* update after testing flake8 on this code

* update file

* update file

* update file

* update file

* update file

* update file
2020-10-17 20:00:46 +02:00
3bbec1db49 create beaufort cipher (#3206)
* create beaufort cipher

if you like my code, merge it and add the label as `hacktoberfest-accepted`

* update the file

* Update beaufort_cipher.py

* Update beaufort_cipher.py

* update as per black formatter

* Update beaufort_cipher.py

* update the file

* update file

* update file

* update file

* update file
2020-10-17 15:50:53 +02:00
05f4089bf0 Fixed typo in caesar_cipher.py (#2979)
* Fixed typo in caesar_cipher.py

* Typo fixes
2020-10-17 13:26:11 +05:30
9d745b6156 Add typehints ciphers and bool alg (#3264)
* updating DIRECTORY.md

* updating DIRECTORY.md

* Fixed accidental commit of file I have't touched

* fixup! Format Python code with psf/black push

* updating DIRECTORY.md

* updating DIRECTORY.md

* Fixed some suggested coding style issues

* Update rsa_key_generator.py

* Update rsa_key_generator.py

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: John Law <johnlaw.po@gmail.com>
2020-10-16 14:11:52 +08:00
35eefac359 fixed error (#3281)
this will fix code from randomly throwing `SystemExit: The affine cipher becomes weak when key B is set to 0. Choose different key` exception.
2020-10-14 11:53:37 +02:00
3859c65995 Added rail fence cipher (#3188)
* Added rail fence cipher

* Update rail_fence_cipher.py

* Update rail_fence_cipher.py
2020-10-12 10:37:45 +05:30
0a42ae9095 Fix all errors mentioned in pre-commit run (#2512)
* Fix all errors mentioned in pre-commit run:

- Fix end of file
- Remove trailing whitespace
- Fix files with black
- Fix imports with isort

* Fix errors
2020-09-30 10:38:00 +02:00
9016fe192f Fix imports for all namespace packages (#2506)
* Fix imports as they're namespace packages

* Fix import for scripts/validate_filenames.py

* Fix path in doctest
2020-09-28 23:41:04 +02:00
48357cea5b Add __init__.py files in all the directories (#2503) 2020-09-28 19:42:36 +02:00
e92cd9d5c5 Update morse_code_implementation.py (#2386)
* Update morse_code_implementation.py

Added more characters to MORSE_CODE_DICT for a more complete dictionary.
Split words with "/" instead of a space as is standard.
Fixed bug when encrypting a message with a comma.

* Fixed comment typo
2020-09-25 19:03:15 +02:00
9200a2e543 from __future__ import annotations (#2464)
* from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-09-23 13:30:13 +02:00
20e98fcded Fix some warnings from LGTM (#2420)
* fix assignment of a variable to itself

* Fix unnecessary 'else' clause in loop

* formatting and redundant reasignment fix

* mark unreachable code with a TODO comment

* fix variable defined multiple times

* fix static method without static decorator

* revert unintended autoformatting

Co-authored-by: Christian Clauss <cclauss@me.com>

* revert autoformatting issue

* applied black autoformatting

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-09-13 10:11:27 +02:00
4d0a8f2355 Optimized recursive_bubble_sort (#2410)
* optimized recursive_bubble_sort

* Fixed doctest error due whitespace

* reduce loop times for optimization

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-09-10 10:31:26 +02:00
30126c26dd Added enigma machine emulator (#2345)
* Added Enigma machine file

Added Enigma machine file to 'ciphers' section

* Added doctest to validator

* Fixed typo

* Shortened some lines

* Shortened some lines

* Update enigma_machine.py

* Shortened some lines

* Update enigma_machine.py

* Update enigma_machine.py

* Update enigma_machine2.py

* Update enigma_machine2.py

* added f-strings

* Update enigma_machine2.py

* Update enigma_machine2.py

* Updated some numbers

* Plugboard improvement

Added option to separate pair for plugboard by spaces

* renamed variable

* renamed some variables

* improved plugboard exception

* Update enigma_machine2.py

* Update enigma_machine2.py
2020-08-26 21:52:17 +02:00
5f4da5d616 isort --profile black . (#2181)
* updating DIRECTORY.md

* isort --profile black .

* Black after

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-07-06 09:44:19 +02:00
2d3d660155 black fixes and Travis CI fixes (#2160)
* black format

* updating DIRECTORY.md

* fixes

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-07-02 20:02:15 +05:30
9316e7c014 Set the Python file maximum line length to 88 characters (#2122)
* flake8 --max-line-length=88

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-06-16 10:09:19 +02:00
1f8a21d727 Tighten up psf/black and flake8 (#2024)
* Tighten up psf/black and flake8

* Fix some tests

* Fix some E741

* Fix some E741

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-05-22 08:10:11 +02:00
965d02ad41 Update atbash cipher (doc, doctest, performance) (#2017)
* Update atbash

* Add benchmark() to quantify the performance improvement

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-05-20 08:23:17 +02:00
38d2e98665 hill_cipher.py: gcd() -> greatest_common_divisor() (#1997)
* hill_cipher.py: gcd() -> greatest_common_divisor()

* fixup! Format Python code with psf/black push

* import string

* updating DIRECTORY.md

* Change matrix to array

Add more tests

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: John Law <johnlaw.po@gmail.com>
2020-05-18 13:05:51 +02:00
aa120cea12 Add tests and type hints to hill cipher (#1991)
* Added tests and type hints to hill cipher

* Remove extra >>>

* import doctest

Co-authored-by: John Law <johnlaw.po@gmail.com>
2020-05-18 09:03:20 +02:00
369562a1e8 Upgrades to caesar_cipher.py (#1958)
* Added more flexibility to functions, decreased amount of repeating code

* Added docstrings

* Updated input functions

* Added doctests

* removed test piece of code

* black .

* Updated caesar cipher standard alphabet to fit python 3.8

* Update and rename sleepsort.py to sleep_sort.py

* Or 4

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-05-08 07:44:07 +02:00
4acc28ba55 Added new algorithm: cracking caesar cipher with the chi-squared test (#1950)
* added decrypt_caesar_with_chi_squared.py and ran all checks

* Updated default parameters

Removed mistake with mutable default arguments

Co-authored-by: Christian Clauss <cclauss@me.com>

* Updated handling for optional arguments

Co-authored-by: Christian Clauss <cclauss@me.com>

* Changed return statement to tuple

Made function return a tuple instead of a list

* Added more doctests

* Fixed spelling mistakes

* black . - reformatted decrypt_caesar_with_chi_squared.py

* Updated if statements to fit the updated code

* Minimized amount of lines in the code.

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-05-06 19:42:18 +02:00
6acd7fb5ce Wrap lines that go beyond GitHub Editor (#1925)
* Wrap lines that go beyond GiHub Editor

* flake8 --count --select=E501 --max-line-length=127

* updating DIRECTORY.md

* Update strassen_matrix_multiplication.py

* fixup! Format Python code with psf/black push

* Update decision_tree.py

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-05-01 23:36:35 +02:00
1ad78b2663 Fix invalid escape sequence in binary_search_tree.py (#1920)
* Fix invalid escape sequence in binary_search_tree.py

data_structures/binary_tree/binary_search_tree.py:156
  /home/travis/build/TheAlgorithms/Python/data_structures/binary_tree/binary_search_tree.py:156: DeprecationWarning: invalid escape sequence \

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-05-01 02:17:11 +05:30
fbc038d532 Added A1Z26 Cipher (#1914)
* A1Z26 Cipher

* A1Z26 Cipher

* Added type hints

* Added Doctests

* removed tabs, spaces instead

* corrected doctest

* corrected doctest

* info URLs added

* Condensed decode to one line

* Condensed encode function to a single line

* Nice one!

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-04-30 00:23:51 +02:00
b1377f0e57 autoblack: actions/checkout@v1 # Use v1, NOT v2 (#1796)
* autoblack: actions/checkout@v1  # Use v1, NOT v2

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-03-13 09:23:38 +01:00
182e3042f8 update rot13.py (#1790)
* update rot13.py

* Update rot13.py

* Type hints, doctests, URL to Wikipedia

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-03-08 07:04:21 +01:00
7f04e5cd34 contribution guidelines checks (#1787)
* spelling corrections

* review

* improved documentation, removed redundant variables, added testing

* added type hint

* camel case to snake case

* spelling fix

* review

* python --> Python # it is a brand name, not a snake

* explicit cast to int

* spaces in int list

* "!= None" to "is not None"

* Update comb_sort.py

* various spelling corrections in documentation & several variables naming conventions fix

* + char in file name

* import dependency - bug fix

Co-authored-by: John Law <johnlaw.po@gmail.com>
2020-03-04 13:40:28 +01:00
7b7c1a0135 Fixes unused variable errors in LGTM (#1746)
* Fixes unsed variable errors in LGTM

* Fixes integer check

* Fixes failing tests
2020-02-11 13:59:09 +05:30
670f952aa6 Travis CI: Don’t allow bare exceptions (#1734)
* Travis CI: Don’t allow bare exceptions

* fixup! Format Python code with psf/black push

* except IOError:

* except IOError:

* Update hamming_code.py

* IndexError

* Get rid of the nonsense logic

Co-authored-by: John Law <johnlaw.po@gmail.com>
2020-02-07 22:02:08 +02:00
74a7b5f799 relevant documentation added (#1725) 2020-02-03 14:30:58 +05:30
bfcb95b297 Create codespell.yml (#1698)
* fixup! Format Python code with psf/black push

* Create codespell.yml

* fixup! Format Python code with psf/black push
2020-01-18 13:24:33 +01:00
28419cf839 pyupgrade --py37-plus **/*.py (#1654)
* pyupgrade --py37-plus **/*.py

* fixup! Format Python code with psf/black push
2020-01-03 22:25:36 +08:00
34c808b375 actions/checkout@v2 (#1643)
* actions/checkout@v2

https://github.com/actions/checkout/releases

* fixup! Format Python code with psf/black push
2019-12-26 19:50:12 +08:00
1d9266eca0 Fixed warning string for Key B = 0 (#1639)
* Fixed warning string for Key B = 0

* Update affine_cipher.py

* Update affine_cipher.py

* decrypt_message(encrypt_message())

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-20 23:52:43 +01:00
9eb50cc223 Improved readability (#1615)
* improved readability

* further readability improvements

* removed csv file and added f
2019-12-07 06:39:59 +01:00
8ffc4f8706 fixed bug (#1610)
Removed comma from print statement causing and error.
2019-12-03 12:14:30 +01:00
2ad5a1f083 Implemented simple keyword cipher (#1589)
* Implemented simple keyword cipher

* Added documentation and improved input processing

* Allow object's hash function to be called

* added to string functionality

* reverted

* Revised according to pull request #1589

* Optimized imports

* Update simple_keyword_cypher.py

* Update hash_table.py
2019-11-23 16:52:32 +01:00
b838f1042c Fix indentation contains tabs (flake8 E101,W191) (#1573) 2019-11-15 23:05:00 -08:00
e3aa0f65e8 fix implementation errors. (#1568)
I revised my implementation and found out that I have miss a inner loop for t.  x and y should be recalculated everytime when t is divisble by 2. I have also included a more readble source for this algorithm.
2019-11-14 20:29:54 +01:00
5df8aec66c GitHub Action formats our code with psf/black (#1569)
* GitHub Action formats our code with psf/black

@poyea Your review please.

* fixup! Format Python code with psf/black push
2019-11-14 19:59:43 +01:00
db515e585e added rsa_factorization.py (#1556)
* added RSA_factorization.py

This algorithm can effectively factor RSA large prime N given public key e and private key d.

* Rename RSA_factorization.py to rsa_factorization.py

* Add definitions for d, e, and N
2019-11-09 15:02:30 +01:00
5452e94528 Porta cipher (#1550)
* directory_writer

* add porta cipher for #1492

* formatting and one line comprehensions

* remove directory_writer

* indentions

* Wrap long lines
2019-11-04 08:45:29 +01:00
fc533a7598 Simplified DES (#1382)
* Simplified DES

* Add files via upload

Diffie Hellman algorithm to generate a secret key.

* Update sdes.py

* Format code with psf/black and add doctests
2019-10-30 12:52:20 +01:00