fix pycid

Author: elazarg

docker/Dockerfile.pycid

@@ -5,21 +5,16 @@ FROM thrones-base:latest
 
 WORKDIR /app/plugins/pycid
 
-# Install build tools for pygambit compilation
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    g++ \
-    && rm -rf /var/lib/apt/lists/*
-
 # Install PyCID-specific dependencies
-# Note: Install pygambit first, then pycid with --no-deps to avoid version conflicts
-# pygambit 16.3.2 is required for pycid 0.8.2 compatibility (older API)
-RUN pip install --no-cache-dir pygambit==16.3.2
+# pycid 0.7.3 uses nashpy (not pygambit) and has get_all_pure_ne/get_all_pure_spe
+# pycid 0.8.x requires pygambit which has API incompatibilities
 RUN pip install --no-cache-dir \
     pgmpy==0.1.17 \
     matplotlib \
     networkx \
+    nashpy \
     numpy
-RUN pip install --no-cache-dir --no-deps pycid
+RUN pip install --no-cache-dir --no-deps pycid==0.7.3
 
 # Copy plugin code
 COPY plugins/pycid/pycid_plugin/ ./pycid_plugin/

plugins/pycid/pycid_plugin/nash.py

@@ -25,8 +25,8 @@ def run_maid_nash(
     try:
         macid = maid_game_to_pycid(game)
 
-        # get_ne(solver='enumpure') returns list of pure Nash equilibria
-        ne_list = macid.get_ne(solver='enumpure')
+        # get_all_pure_ne returns list of pure Nash equilibria (pycid 0.7.3)
+        ne_list = macid.get_all_pure_ne()
 
         equilibria = format_ne_result(ne_list, game)
 

plugins/pycid/pycid_plugin/spe.py

@@ -30,8 +30,8 @@ def run_maid_spe(
     try:
         macid = maid_game_to_pycid(game)
 
-        # get_spe(solver='enumpure') returns list of pure subgame perfect equilibria
-        spe_list = macid.get_spe(solver='enumpure')
+        # get_all_pure_spe returns list of pure subgame perfect equilibria (pycid 0.7.3)
+        spe_list = macid.get_all_pure_spe()
 
         equilibria = format_ne_result(spe_list, game)