reactor: move code to parse wikitext in separate module

code relies on mwparserfromhell, which should become optional
Refs: #56

README.md

@@ -13,6 +13,26 @@ General features for object oriented interaction with knowledge graphs are plann
 pip install osw
 ```
 
+### Variants
+| Variant | Description |
+| -- | -- |
+`osw[wikitext]` | Additional functions in `wiki_tools` to transform mediawiki markup / templates
+`osw[DB]` | interact with SQL databases per DatabaseController
+`osw[S3]` | Interact with S3 Stores per S3FileController
+`osw[dataimport]` | Additional tools to import data
+`osw[UI]` | To use a helper UI to work with entity slots
+
+To install multiple optional/extra dependencies run
+```
+pip install osw[opt1, opt2, ...]
+```
+
+To install all optional/extra dependencies run
+```
+pip install osw[all]
+```
+
+
 ## Troubleshooting
 
 ### `Error: datamodel-codegen not found`

setup.cfg

@@ -51,7 +51,6 @@ install_requires =
     pydantic>=1.10.17
     datamodel-code-generator>=0.25
     mwclient>=0.10.0
-    mwparserfromhell
     rdflib
     PyLD
     SPARQLWrapper
@@ -79,10 +78,24 @@ exclude =
 # Add here additional requirements for extra features, to install with:
 # `pip install osw[PDF]` like:
 # PDF = ReportLab; RXP
-dataimport = geopy; deepl
-DB = psycopg2; sqlalchemy
-UI = pysimplegui
-S3 = boto3
+wikitext =
+    mwparserfromhell
+DB =
+    psycopg2
+    sqlalchemy
+S3 =
+    boto3
+dataimport =
+    geopy
+    deepl
+UI =
+    pysimplegui
+all =
+    %(dataimport)s
+    %(DB)s
+    %(UI)s
+    %(S3)s
+    %(wikitext)s
 
 # Add here dev requirements (semicolon/line-separated)
 dev =
@@ -99,6 +112,7 @@ testing =
     deepl
     sqlalchemy
     psycopg2-binary # see: https://www.psycopg.org/docs/install.html#psycopg-vs-psycopg-binary
+    mwparserfromhell
 
 [options.entry_points]
 # Add here console scripts like: