replace "python-igraph" by "igraph"

it has been renamed

.github/workflows/github_test_action.yml

@@ -180,7 +180,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install pytest nbmake pytest-xdist python-igraph numba seaborn
+          python -m pip install pytest nbmake pytest-xdist igraph numba seaborn
           ./.install_julia.sh 1.8
           pip install julia
           python ./.install_pycall.py

.github/workflows/release.yml

@@ -90,7 +90,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install pytest python-igraph pytest-split seaborn matplotlib plotly geopandas ortools xlsxwriter openpyxl cryptography psycopg2 matpowercaseframes
+          python -m pip install pytest igraph pytest-split seaborn matplotlib plotly geopandas ortools xlsxwriter openpyxl cryptography psycopg2 matpowercaseframes
       - name: Install pandapower from TestPyPI
         if: inputs.upload_server == 'testpypi'
         run: |

doc/plotting/matplotlib/generic.rst

@@ -5,7 +5,7 @@ Generic Coordinates
 If there are no geocoordinates in a network, generic coordinates can be created. There are two possibilities:
 
 1. igraph (http:/igraph.org/python) (recommended) based on
-    - python-igraph
+    - igraph
     - pycairo
 
 2. graphviz (http:/www.graphviz.org) based on 

pandapower/plotting/generic_geodata.py

@@ -43,7 +43,7 @@ def build_igraph_from_pp(net, respect_switches=False, buses=None):
         graph, meshed, roots = build_igraph_from_pp(net)
     """
     if not IGRAPH_INSTALLED:
-        soft_dependency_error(str(sys._getframe().f_code.co_name)+"()", "python-igraph")
+        soft_dependency_error(str(sys._getframe().f_code.co_name)+"()", "igraph")
     g = igraph.Graph(directed=True)
     bus_index = net.bus.index if buses is None else np.array(buses)
     nr_buses = len(bus_index)
@@ -191,7 +191,7 @@ def create_generic_coordinates(net, mg=None, library="igraph",
     _prepare_geodata_table(net, geodata_table, overwrite)
     if library == "igraph":
         if not IGRAPH_INSTALLED:
-            soft_dependency_error("build_igraph_from_pp()", "python-igraph")
+            soft_dependency_error("build_igraph_from_pp()", "igraph")
         graph, meshed, roots = build_igraph_from_pp(net, respect_switches, buses=buses)
         coords = coords_from_igraph(graph, roots, meshed)
     elif library == "networkx":

pandapower/test/plotting/test_generic_coordinates.py

@@ -16,7 +16,7 @@
     IGRAPH_INSTALLED = False
 
 
-@pytest.mark.skipif(IGRAPH_INSTALLED is False, reason="Requires python-igraph.")
+@pytest.mark.skipif(IGRAPH_INSTALLED is False, reason="Requires igraph.")
 def test_create_generic_coordinates_igraph():
     net = create_test_network()
     net.bus_geodata.drop(net.bus_geodata.index, inplace=True)
@@ -32,7 +32,7 @@ def test_create_generic_coordinates_nx():
     create_generic_coordinates(net, library="networkx")
     assert len(net.bus_geodata) == len(net.bus)
 
-@pytest.mark.skipif(IGRAPH_INSTALLED is False, reason="Requires python-igraph.")
+@pytest.mark.skipif(IGRAPH_INSTALLED is False, reason="Requires igraph.")
 def test_create_generic_coordinates_igraph_custom_table_index():
     net = nw.simple_four_bus_system()
     for buses in [[0,1], [0,2], [0,1,2]]:

setup.py

@@ -52,7 +52,7 @@
                       "deepdiff"],
     extras_require={
         "docs": ["numpydoc", "sphinx", "sphinx_rtd_theme"],
-        "plotting": ["plotly", "matplotlib", "python-igraph", "geopandas", "geojson"],
+        "plotting": ["plotly", "matplotlib", "igraph", "geopandas", "geojson"],
         # "shapely", "pyproj" are dependencies of geopandas and so already available;
         # "base64", "hashlib", "zlib" produce installing problems, so they are not included
         "test": ["pytest<=7.0", "pytest-xdist"],
@@ -62,7 +62,7 @@
         # "fiona" is a depedency of geopandas and so already available
         "converter": ["matpowercaseframes"],
         "all": ["numpydoc", "sphinx", "sphinx_rtd_theme",
-                "plotly>=3.1.1", "matplotlib", "python-igraph", "geopandas", "geojson",
+                "plotly>=3.1.1", "matplotlib", "igraph", "geopandas", "geojson",
                 "pytest<=7.0", "pytest-xdist",
                 "ortools",  # lightsim2grid,
                 "xlsxwriter", "openpyxl", "cryptography",

tutorials/plotting_basic.ipynb

@@ -69,7 +69,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "This function plots geodata if it is available and generates generic geodata if none is available. Note that you need the python-igraph package to generate geocoordinates (see last chapter of this tutorial).\n",
+    "This function plots geodata if it is available and generates generic geodata if none is available. Note that you need the igraph package to generate geocoordinates (see last chapter of this tutorial).\n",
     "\n"
    ]
   },

tutorials/plotting_structural.ipynb

@@ -13,7 +13,7 @@
    "source": [
     "If a network does not have geographic coordinates, you can create generic coordinates for plotting with the create_generic_coordinates function.\n",
     "\n",
-    "###### You need to install the python-igraph package for this functionality: http://igraph.org/python/"
+    "###### You need to install the igraph package for this functionality: http://igraph.org/python/"
    ]
   },
   {