Remove LaTeX checking in setup.py.

We already have runtime tests for LaTeX and associated dependencies; the check in setup.py is not used for anything.
matplotlib · jklymak · Mar 21, 2018 · Oct 25, 2017 · Oct 25, 2017 · 293d11cfcf37c6a4d23718c38f1fa9410ec2a834
commit 293d11cfcf37c6a4d23718c38f1fa9410ec2a834
diff --git a/setup.py b/setup.py
@@ -105,11 +105,6 @@
    setupext.BackendAgg(),
    setupext.BackendCairo(),
    setupext.Windowing(),
-    'Optional LaTeX dependencies',
-    setupext.DviPng(),
-    setupext.Ghostscript(),
-    setupext.LaTeX(),
-    setupext.PdfToPs(),
    'Optional package data',
    setupext.Dlls(),
    ]

diff --git a/setupext.py b/setupext.py
@@ -2181,75 +2181,6 @@ def check_requirements(self):
            return "cairocffi version %s" % cairocffi.version


-class DviPng(SetupPackage):
-    name = "dvipng"
-    optional = True
-
-    def check(self):
-        try:
-            output = check_output('dvipng -version', shell=True,
-                                  stderr=subprocess.STDOUT)
-            return "version %s" % output.splitlines()[1].decode().split()[-1]
-        except (IndexError, ValueError, subprocess.CalledProcessError):
-            raise CheckFailed()
-
-
-class Ghostscript(SetupPackage):
-    name = "ghostscript"
-    optional = True
-
-    def check(self):
-        if sys.platform == 'win32':
-            # mgs is the name in miktex
-            gs_execs = ['gswin32c', 'gswin64c', 'mgs', 'gs']
-        else:
-            gs_execs = ['gs']
-        for gs_exec in gs_execs:
-            try:
-                command = gs_exec + ' --version'
-                output = check_output(command, shell=True,
-                                      stderr=subprocess.STDOUT)
-                return "version %s" % output.decode()[:-1]
-            except (IndexError, ValueError, subprocess.CalledProcessError):
-                pass
-
-        raise CheckFailed()
-
-
-class LaTeX(SetupPackage):
-    name = "latex"
-    optional = True
-
-    def check(self):
-        try:
-            output = check_output('latex -version', shell=True,
-                                  stderr=subprocess.STDOUT)
-            line = output.splitlines()[0].decode()
-            pattern = '(3\.1\d+)|(MiKTeX \d+.\d+)'
-            match = re.search(pattern, line)
-            return "version %s" % match.group(0)
-        except (IndexError, ValueError, AttributeError, subprocess.CalledProcessError):
-            raise CheckFailed()
-
-
-class PdfToPs(SetupPackage):
-    name = "pdftops"
-    optional = True
-
-    def check(self):
-        try:
-            output = check_output('pdftops -v', shell=True,
-                                  stderr=subprocess.STDOUT)
-            for line in output.splitlines():
-                line = line.decode()
-                if 'version' in line:
-                    return "version %s" % line.split()[2]
-        except (IndexError, ValueError, subprocess.CalledProcessError):
-            pass
-
-        raise CheckFailed()
-
-
 class OptionalPackageData(OptionalPackage):
    config_category = "package_data"