Add new project: base64 encode decode

.glotter.yml

@@ -33,6 +33,94 @@ projects:
                         - "          *"
                 transformations:
                     - "splitlines"
+    base64_encode_decode:
+        words:
+            - "base64"
+            - "encode"
+            - "decode"
+        requires_parameters: true
+        tests:
+            base64_encode_valid:
+                params:
+                    -   name: "lowercase string"
+                        input: '"encode" "hello world"'
+                        expected: "aGVsbG8gd29ybGQ="
+                    -   name: "long string"
+                        input: '"encode" "They swam along the boat at incredible speeds."'
+                        expected: "VGhleSBzd2FtIGFsb25nIHRoZSBib2F0IGF0IGluY3JlZGlibGUgc3BlZWRzLg=="
+                    -   name: "numbers"
+                        input: '"encode" "1234567890"'
+                        expected: "MTIzNDU2Nzg5MA=="
+                    -   name: "symbols"
+                        input: |
+                            "encode" "x!\\"#$%&'()*+,-./:;<=>?@[\\\\]^_`{|}~"
+                        expected: "eCEiIyQlJicoKSorLC0uLzo7PD0+P0BbXF1eX2B7fH1+"
+                    -   name: "all base64 characters"
+                        input: '"encode" "!  }gggIIT55;qqs!!Gjjb??=~~2$$+;;i::x..4kk,ppnoo"'
+                        expected: "ISAgfWdnZ0lJVDU1O3FxcyEhR2pqYj8/PX5+MiQkKzs7aTo6eC4uNGtrLHBwbm9v"
+                transformations:
+                    - "strip"
+            base64_decode_valid:
+                params:
+                    -   name: "lowercase string"
+                        input: '"decode" "aGVsbG8gd29ybGQ="'
+                        expected: "hello world"
+                    -   name: "long string"
+                        input: '"decode" "VGhleSBzd2FtIGFsb25nIHRoZSBib2F0IGF0IGluY3JlZGlibGUgc3BlZWRzLg=="'
+                        expected: "They swam along the boat at incredible speeds."
+                    -   name: "numbers"
+                        input: '"decode" "MTIzNDU2Nzg5MA=="'
+                        expected: "1234567890"
+                    -   name: "symbols"
+                        input: '"decode" "eCEiIyQlJicoKSorLC0uLzo7PD0+P0BbXF1eX2B7fH1+"'
+                        expected: "x!\"#$%&'()*+,-./:;<=>?@[\\\\]^_`{|}~"
+                    -   name: "all base64 characters"
+                        input: '"decode" "ISAgfWdnZ0lJVDU1O3FxcyEhR2pqYj8/PX5+MiQkKzs7aTo6eC4uNGtrLHBwbm9v"'
+                        expected: "!  }gggIIT55;qqs!!Gjjb??=~~2$$+;;i::x..4kk,ppnoo"
+                transformations:
+                    - "strip"
+            base64_invalid_inputs:
+                params:
+                    -   name: "no input"
+                        input: null
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "invalid mode"
+                        input: '"blue" "Oh look a Pascal triangle"'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                transformations:
+                    - "strip"
+            base64_invalid_encode:
+                params:
+                    -   name: "missing string"
+                        input: '"encode"'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "empty string"
+                        input: '"encode" ""'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                transformations:
+                    - "strip"
+            base64_invalid_decode:
+                params:
+                    -   name: "missing string"
+                        input: '"decode"'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "empty string"
+                        input: '"decode" ""'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "length number not multiple of 4"
+                        input: '"decode" "hello+world"'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "invalid characters"
+                        input: '"decode" "hello world="'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "too many pad characters at end"
+                        input: '"decode" "MTIzNDU2Nzg5M==="'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                    -   name: "pad characters in middle"
+                        input: '"decode" "MTIzNDU2=Nzg5M=="'
+                        expected: "Usage: please provide a mode and a string to encode/decode"
+                transformations:
+                    - "strip"
     binarysearch:
         words:
             - "binary"

archive/p/python/base64_encode_decode.py

@@ -0,0 +1,40 @@
+import base64
+import binascii
+import sys
+from typing import NoReturn
+
+
+def usage() -> NoReturn:
+    print("Usage: please provide a mode and a string to encode/decode")
+    sys.exit(1)
+
+
+def base64_encode(s: str) -> str:
+    return base64.b64encode(s.encode("ascii")).decode("ascii")
+
+
+def base64_decode(s: str) -> str:
+    return base64.b64decode(s.encode("ascii")).decode("ascii")
+
+
+def main() -> None | NoReturn:
+    if len(sys.argv) < 3 or not sys.argv[2]:
+        usage()
+
+    mode = sys.argv[1]
+    s = sys.argv[2]
+    if mode == "encode":
+        result = base64_encode(s)
+    elif mode == "decode":
+        try:
+            result = base64_decode(s)
+        except binascii.Error:
+            usage()
+    else:
+        usage()
+
+    print(result)
+
+
+if __name__ == "__main__":
+    main()

archive/p/python/prime_number.py

@@ -3,7 +3,7 @@
 
 
 def is_prime(x):
-    if (x % 2 == 0 and x is not 2) or (x == 1):
+    if (x % 2 == 0 and x != 2) or (x == 1):
         return False
     return not bool([n for n in range(3, int(ceil(sqrt(x))+1)) if x % n == 0])
 

archive/p/python/testinfo.yml

@@ -4,5 +4,5 @@ folder:
 
 container:
   image: "python"
-  tag: "3.7-alpine"
+  tag: "3.12-alpine"
   cmd: "python {{ source.name }}{{ source.extension }}"

pyproject.toml

@@ -8,7 +8,7 @@ license = "MIT"
 
 dependencies = [
     "ronbun (>=0.9.0,<0.10.0)",
-    "glotter2 (>=0.10.1,<0.11.0)"
+    "glotter2 (>=0.10.2,<0.11.0)"
 ]
 
 # Initiator of the collection
@@ -32,5 +32,7 @@ maintainers = [
 [tool.poetry]
 package-mode = false
 
+[tool.poetry.dependencies]
+glotter2 = {develop = true}
 [tool.pytest.ini_options]
 console_output_style = "count"