Initial commit

.gitignore

+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
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+
+# Scrapy stuff:
+.scrapy
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+# PyBuilder
+.pybuilder/
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+# Jupyter Notebook
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+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
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+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
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+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
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+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

passphrase_generator/__init__.py

+__version__ = '0.1.0'

passphrase_generator/generate.py

+#!/usr/bin/env python 
+#-*- coding: utf-8 -*-
+import secrets
+import itertools
+import hashlib
+
+from words import EMOJIS, DE_ADJEKTIVE, EN_COMMON_WORDS, DE_ARTWORDS, EN_ARTWORDS, EN_ADJECTIVES
+
+lenemoji = len(EMOJIS)
+
+def emojihash(s, n=1):
+    number = str(int(hashlib.sha1(s.encode("utf-8")).hexdigest(), 16))
+    if n == 1:
+        index = int(number) % lenemoji
+        return EMOJIS[index]
+    strlen = len(number)
+    stepsize = strlen//n
+    h = []
+    for i in range(0, strlen-1, stepsize):
+        index = int(number[i:i+stepsize]) % lenemoji
+        h.append(EMOJIS[index])
+    return "".join(h)
+
+print(emojihash("testpasswort-mit-einer-gewissen-Länge?", 2))
+
+
+
+DELIMITERS = ["-"]
+SPECIAL_CHARACTERS = ["!","!", "!", "?", "?", "?", "!1",  "!!", "!?", "?!"]
+
+STRATEGIES = [
+    [DE_ADJEKTIVE, DE_ARTWORDS, EN_ADJECTIVES, EN_ARTWORDS],
+    [DE_ADJEKTIVE, DE_ADJEKTIVE, DE_ARTWORDS, EN_ADJECTIVES, EN_ARTWORDS],
+    [EN_ADJECTIVES, EN_ARTWORDS, EN_ADJECTIVES, EN_ARTWORDS],
+    [EN_COMMON_WORDS, EN_ADJECTIVES, DE_ARTWORDS],
+    [DE_ARTWORDS, DE_ARTWORDS, DE_ADJEKTIVE, DE_ARTWORDS],
+    [DE_ARTWORDS, EN_ARTWORDS, DE_ARTWORDS, EN_ARTWORDS],
+    [DE_ADJEKTIVE+EMOJIS, DE_ARTWORDS, EMOJIS]
+]
+
+CAPITALIZATION_STRATEGIES = [
+    # ["upper"],
+    ["lower"],
+    ["lower"],
+    # ["lower"],
+    # ["lower"],
+    # ["title"],
+    # ["title"],
+    # ["title"],
+    # ["title"],
+    # ["title", "lower", "lower", "lower"],
+    # ["upper", "lower", "lower", "lower"],
+    # ["lower", "lower", "upper", "upper"],
+]
+
+def apply_capital(word, strategy) -> str:
+    if strategy == "upper":
+        return word.upper()
+    elif strategy == "lower":
+        return word.lower()
+    elif strategy == "title":
+        return word.title()
+    else:
+        return word
+
+def assemble_passphrase(length_guide=24):
+    words = []
+    tally = 0
+    rounds = 0
+    strategy = secrets.choice(STRATEGIES)
+    capitalization = secrets.choice(CAPITALIZATION_STRATEGIES)
+    delimiter = secrets.choice(DELIMITERS)
+    while tally < length_guide:
+        word = secrets.choice(strategy[rounds%len(strategy)])
+        rounds += 1
+        tally += len(word)+len(delimiter)
+        words.append(word)
+    # Randomly add numbers either at the beginning or the end
+    if secrets.randbelow(1000) > 850:
+        num = secrets.randbelow(99)
+        if not num in [88, 0]:
+            words = [str(num)] + words
+    elif secrets.randbelow(1000) > 650:
+        num = secrets.randbelow(99)
+        if not num in [88, 0]:
+            words.append(str(num))
+    # Randomly add punktuation in the end
+    if secrets.randbelow(1000) > 750:
+        words[-1] += secrets.choice(SPECIAL_CHARACTERS)
+    # Make sure words don't have spaces in beginning or end
+    words = [w.strip() for w in words]
+    # Apply capitalization strategy
+    words = [apply_capital(w, capitalization[i%len(capitalization)]) for i, w in enumerate(words)]
+    return delimiter.join(words)
+
+def generate_passphrase(min_length=20, max_length=28):
+    passphrase = ""
+    while min_length > len(passphrase) or len(passphrase) > max_length:
+        passphrase = assemble_passphrase(length_guide=min_length)
+    return passphrase
+
+
+
+# # USAGE - like this:
+for i in range(10):
+    print(generate_passphrase(min_length=22, max_length=25))
\ No newline at end of file

pyproject.toml

+[tool.poetry]
+name = "passphrase-generator"
+version = "0.1.0"
+description = ""
+authors = ["David Huss <dh@atoav.com>"]
+
+[tool.poetry.dependencies]
+python = "^3.8"
+
+[tool.poetry.dev-dependencies]
+pytest = "^5.2"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"

tests/test_hfbk_passphrase.py

+from hfbk_passphrase import __version__
+
+
+def test_version():
+    assert __version__ == '0.1.0'