Always use relative imports and fix examples

Author: Corvince

examples/bank_reserves/bank_reserves/agents.py

@@ -11,7 +11,7 @@
 """
 
 import mesa
-from bank_reserves.random_walk import RandomWalker
+from .random_walk import RandomWalker
 
 
 class Bank(mesa.Agent):

examples/bank_reserves/bank_reserves/model.py

@@ -12,7 +12,7 @@
 
 import mesa
 import numpy as np
-from bank_reserves.agents import Bank, Person
+from .agents import Bank, Person
 
 """
 If you want to perform a parameter sweep, call batch_run.py instead of run.py.

examples/bank_reserves/bank_reserves/server.py

@@ -1,6 +1,6 @@
 import mesa
-from bank_reserves.agents import Person
-from bank_reserves.model import BankReserves
+from .agents import Person
+from .model import BankReserves
 
 """
 Citation:

examples/charts/charts/agents.py

@@ -11,7 +11,7 @@
 """
 
 import mesa
-from charts.random_walk import RandomWalker
+from .random_walk import RandomWalker
 
 
 class Bank(mesa.Agent):

examples/charts/charts/model.py

@@ -12,7 +12,7 @@
 
 import mesa
 import numpy as np
-from charts.agents import Bank, Person
+from .agents import Bank, Person
 
 """
 If you want to perform a parameter sweep, call batch_run.py instead of run.py.

examples/hex_snowflake/hex_snowflake/model.py

@@ -1,5 +1,5 @@
 import mesa
-from hex_snowflake.cell import Cell
+from .cell import Cell
 
 
 class HexSnowflake(mesa.Model):
@@ -22,7 +22,7 @@ def __init__(self, width=50, height=50):
         self.schedule = mesa.time.SimultaneousActivation(self)
 
         # Use a hexagonal grid, where edges wrap around.
-        self.grid = mesa.space.HexGrid(width, height, torus=True)
+        self.grid = mesa.space.HexSingleGrid(width, height, torus=True)
 
         # Place a dead cell at each location.
         for contents, pos in self.grid.coord_iter():

examples/sugarscape_cg/sugarscape_cg/model.py

@@ -10,6 +10,7 @@
 """
 
 import mesa
+from pathlib import Path
 
 from .agents import SsAgent, Sugar
 
@@ -43,7 +44,7 @@ def __init__(self, width=50, height=50, initial_population=100):
         # Create sugar
         import numpy as np
 
-        sugar_distribution = np.genfromtxt("sugarscape_cg/sugar-map.txt")
+        sugar_distribution = np.genfromtxt(Path(__file__).parent / "sugar-map.txt")
         agent_id = 0
         for _, (x, y) in self.grid.coord_iter():
             max_sugar = sugar_distribution[x, y]

examples/sugarscape_g1mt/sugarscape_g1mt/model.py

@@ -1,3 +1,4 @@
+from pathlib import Path
 import mesa
 import numpy as np
 
@@ -87,7 +88,7 @@ def __init__(
         )
 
         # read in landscape file from supplmentary material
-        sugar_distribution = np.genfromtxt("sugarscape_g1mt/sugar-map.txt")
+        sugar_distribution = np.genfromtxt(Path(__file__).parent / "sugar-map.txt")
         spice_distribution = np.flip(sugar_distribution, 1)
 
         agent_id = 0