Replace expired BoltzTraP link (#3929)

* update BoltzTraP link

* correct BoltzTraP case in docstring

* remove unused gitignore items

Author: DanielYang59

Diff for: .gitignore

@@ -1,9 +1,6 @@
 __pycache__/
 .DS_Store
 pymatgen.egg-info
-dependencies/PyCifRW-3.3/PyCifRW.egg-info
-dependencies/spglib*/pyspglib.egg-info
-dependencies/spglib*/build
 *.o
 *.so
 *.pyc
@@ -26,7 +23,6 @@ setuptools*
 .cache
 .tox
 .eggs/
-gulptmp_4_1
 .coverage
 .*_cache
 # VS Code

Diff for: src/pymatgen/electronic_structure/boltztrap.py

@@ -1,16 +1,13 @@
-"""This module provides classes to run and analyze boltztrap on pymatgen band
-structure objects. Boltztrap is a software interpolating band structures and
-computing materials properties from this band structure using Boltzmann
-semi-classical transport theory.
+"""This module provides classes to run and analyze BoltzTraP on pymatgen band
+structure objects. BoltzTraP is a software developed by Georg Madsen to
+interpolate band structures and compute materials properties from this
+band structure using Boltzmann semi-classical transport theory.
 
-Boltztrap has been developed by Georg Madsen.
-
-http://www.icams.de/content/research/software-development/boltztrap/
+https://www.tuwien.at/en/tch/tc/theoretical-materials-chemistry/boltztrap
 
 You need version 1.2.3 or higher
 
-References are:
-
+References:
     Madsen, G. K. H., and Singh, D. J. (2006).
     BoltzTraP. A code for calculating band-structure dependent quantities.
     Computer Physics Communications, 175, 67-71
@@ -60,13 +57,13 @@
 
 
 class BoltztrapRunner(MSONable):
-    """This class is used to run Boltztrap on a band structure object."""
+    """This class is used to run BoltzTraP on a band structure object."""
 
     @requires(
         which("x_trans"),
         "BoltztrapRunner requires the executables 'x_trans' to be in PATH. Please download "
-        "Boltztrap at http://www.icams.de/content/research/software-development/boltztrap/ "
-        "and follow the instructions in the README to compile Bolztrap accordingly. "
+        "BoltzTraP at https://www.tuwien.at/en/tch/tc/theoretical-materials-chemistry/boltztrap "
+        "and follow the instructions in the README to compile BoltzTraP accordingly. "
         "Then add x_trans to your path",
     )
     def __init__(
@@ -144,7 +141,7 @@ def __init__(
                 electron occupations. If the band structure comes from a soc
                 computation, you should set soc to True (default False)
             doping:
-                the fixed doping levels you want to compute. Boltztrap provides
+                the fixed doping levels you want to compute. BoltzTraP provides
                 both transport values depending on electron chemical potential
                 (fermi energy) and for a series of fixed carrier
                 concentrations. By default, this is set to 1e16 to 1e22 in
@@ -734,7 +731,7 @@ def __init__(
         bz_kpoints=None,
         fermi_surface_data=None,
     ) -> None:
-        """Constructor taking directly all the data generated by Boltztrap. You
+        """Constructor taking directly all the data generated by BoltzTraP. You
         won't probably use it directly but instead use the from_files and
         from_dict methods.
 
@@ -760,7 +757,7 @@ def __init__(
                 each Fermi level in mu_steps]}
                 The units are m^3/C
             doping: The different doping levels that have been given to
-                Boltztrap. The format is {'p':[],'n':[]} with an array of
+                BoltzTraP. The format is {'p':[],'n':[]} with an array of
                 doping levels. The units are cm^-3
             mu_doping: Gives the electron chemical potential (or Fermi level)
                 for a given set of doping.
@@ -802,7 +799,7 @@ def __init__(
             intrans: a dictionary of inputs e.g. {"scissor": 0.0}
             carrier_conc: The concentration of carriers in electron (or hole)
                 per unit cell
-            dos: The dos computed by Boltztrap given as a pymatgen Dos object
+            dos: The dos computed by BoltzTraP given as a pymatgen Dos object
             dos_partial: Data for the partial DOS projected on sites and
                 orbitals
             vol: Volume of the unit cell in angstrom cube (A^3)
@@ -837,13 +834,13 @@ def __init__(
         self.fermi_surface_data = fermi_surface_data
 
     def get_symm_bands(self, structure: Structure, efermi, kpt_line=None, labels_dict=None):
-        """Useful to read bands from Boltztrap output and get a BandStructureSymmLine object
+        """Useful to read bands from BoltzTraP output and get a BandStructureSymmLine object
         comparable with that one from a DFT calculation (if the same kpt_line is
         provided). Default kpt_line and labels_dict is the standard path of high symmetry
         k-point for the specified structure. They could be extracted from the
         BandStructureSymmLine object that you want to compare with. efermi variable must
         be specified to create the BandStructureSymmLine object (usually it comes from DFT
-        or Boltztrap calc).
+        or BoltzTraP calc).
         """
         try:
             if kpt_line is None:
@@ -1640,7 +1637,7 @@ def get_carrier_concentration(self):
 
     def get_hall_carrier_concentration(self):
         """Get the Hall carrier concentration (in cm^-3). This is the trace of
-        the Hall tensor (see Boltztrap source code) Hall carrier concentration
+        the Hall tensor (see BoltzTraP source code) Hall carrier concentration
         are not always exactly the same than carrier concentration.
 
         Returns:
@@ -1770,7 +1767,7 @@ def parse_intrans(path_dir):
             path_dir: (str) dir containing the boltztrap.intrans file
 
         Returns:
-            dict: various inputs that had been used in the Boltztrap run.
+            dict: various inputs that had been used in the BoltzTraP run.
         """
         intrans = {}
         with open(f"{path_dir}/boltztrap.intrans") as file: