Lark parser (#12)

* Adding lark as a parser engine

* Adding updated output file for to GooFit

* Fixing data import

* Moving from_AmpGen to from_text, main script added for particle

* Better testing, expanding items allowed in from_string

* Adding more parts for decfiles

* Fixing a warning

* Adding some tests, breaking out ampgen style and dec style particles.

MANIFEST.in

@@ -25,6 +25,7 @@ include tox.ini .travis.yml .appveyor.yml
 recursive-include decaylanguage *.py
 recursive-include decaylanguage *.csv
 recursive-include decaylanguage *.txt
+recursive-include decaylanguage *.lark
 
 recursive-include images *.pdf
 recursive-include images *.png

Pipfile

@@ -4,18 +4,21 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-attrs = ">=17.0"
+attrs = ">=17.4"
 pandas = ">=0.22"
 plumbum = ">=1.6.6"
 numpy = ">=1.12"
 six = ">=1.11"
-pathlib2 = {version = ">=2.3", markers="python_version < '3.5'"}
-enum34 = {version = ">=1.1", markers="python_version < '3.4'"}
+pathlib2 = {version = ">=2.3",markers = "python_version < '3.5'"}
+enum34 = {version = ">=1.1",markers = "python_version < '3.4'"}
+lark-parser = ">=0.6.3"
 
 [dev-packages]
 graphviz = ">=0.8.2"
 pytest = "*"
 jupyter = {extras = ["all"]}
 sphinx = "*"
 sphinx-rtd-theme = "*"
-decaylanguage = {path = "."}
+jupyterlab = "*"
+ipykernel = "*"
+decaylanguage = {editable = true,path = "."}

README.md

@@ -77,6 +77,14 @@ particle. There are lots of printing choices, `describe()`,
 `programmatic_name()`, `html_name()`, html printing outs in notebooks,
 and of course `repr` and `str` support.
 
+You can quickly search for particles from the command line with:
+
+```
+python -m decaylanguage.particle 311
+```
+
+You can put one or more PDG ID numbers here, or string names.
+
 ## Decays
 
 The most common way to create a decay chain is to read in an [AmpGen]

decaylanguage/__main__.py

@@ -11,7 +11,7 @@
 
 
 class DecayLanguageDecay(cli.Application):
-    generator = cli.SwitchAttr(['-G', '--generator'], cli.Set('goofit'))
+    generator = cli.SwitchAttr(['-G', '--generator'], cli.Set('goofit'), mandatory=True)
 
     def main(self, filename):
         if self.generator == 'goofit':