Added option for passing recipe on stdin, added gitignore.

.gitignore

@@ -0,0 +1,160 @@
+# 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/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# 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
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

README.md

@@ -6,6 +6,7 @@ The LaTeX files use the [cuisine](https://ctan.org/pkg/cuisine) package.
 ## cook2tex.py
 
 Takes a recipe path as an argument and returns the cuisine recipe block on stdout.
+Optionally, if provided with the argument "--", reads the recipes source from stdin.
 
 ### Example
 

cook2tex.py

@@ -1,21 +1,16 @@
 import sys, cooklang
 from os.path import exists
 
-def parse_recipe(path):
+def parse_recipe(cooklang_source):
     """
-    Takes: string path
+    Takes: string cooklang_source
     Returns: [ string ] tex
     
-    Takes a recipe path as an argument and returns the cuisine recipe block.
+    Takes the recipes source as an argument and returns the cuisine recipe block.
     One element per line.
     """
     
-    if not exists(path):
-        raise ArgumentError
-    
-    with open(path) as file:
-        # First argument is recipe file
-        recipe = cooklang.parseRecipe(file.read())
+    recipe = cooklang.parseRecipe(cooklang_source)
 
     title = get_metadata_value("title", recipe)
     servings = get_metadata_value("servings", recipe)
@@ -50,10 +45,20 @@ def parse_recipe(path):
     return tex
 
 
-class ArgumentError(Exception):
-    def __init__(self):
-        self.message = "Please supply the path to a cooklang file as an argument."
-        super().__init__(self.message)
+def parse_recipe_from_file(path):
+    """
+    Takes: string path
+    Returns: [ string ] tex
+    
+    Takes a recipe path as an argument and returns the cuisine recipe block.
+    One element per line.
+    """
+    if not exists(path):
+        raise ArgumentError
+    
+    with open(path) as file:
+        return parse_recipe(file.read())
+
 
 def get_metadata_value(key, recipe):
     if key in recipe["metadata"].keys():
@@ -97,6 +102,18 @@ def texify_ingredients(ingredients):
     return tex
 
 
+class ArgumentError(Exception):
+    def __init__(self):
+        self.message = "Please supply the path to a cooklang file as an argument."
+        super().__init__(self.message)
+        
+
 if __name__ == "__main__":
-   for line in parse_recipe(sys.argv[1]):
-       print(line)
+
+    if sys.argv[1] == "--":
+        tex = parse_recipe(sys.stdin.read())
+    else:
+        tex = parse_recipe_from_file(sys.argv[1])
+
+    for line in tex:
+        print(line)

cooklangbook.py

@@ -17,7 +17,7 @@ def create_book(argv):
 
     for path in argv:
         tex.append("\n")
-        tex += cook2tex.parse_recipe(path)
+        tex += cook2tex.parse_recipe_from_file(path)
 
     tex.append("\n")
     tex.append("\\end{document}")