Drop Python 2 support

README.rst

@@ -20,7 +20,7 @@ Allows calling LaTeX from Python without leaving a mess. Similar to the
      pdf = build_pdf(min_latex)
 
      # look at the first few bytes of the header
-     print bytes(pdf)[:10]
+     print(bytes(pdf)[:10])
 
 Also comes with support for using `Jinja2 <http://jinja.pocoo.org/>`_ templates
 to generate LaTeX files.

docs/examples/ex4.py

@@ -13,7 +13,7 @@
     build_pdf(src)
 except LatexBuildError as e:
     for err in e.get_errors():
-        print u'Error in {0[filename]}, line {0[line]}: {0[error]}'.format(err)
+        print('Error in {0[filename]}, line {0[line]}: {0[error]}'.format(err))
         # also print one line of context
-        print u'    {}'.format(err['context'][1])
-        print
+        print('    {}'.format(err['context'][1]))
+        print()

latex/__init__.py

@@ -4,26 +4,26 @@
 from .build import build_pdf
 
 CHAR_ESCAPE = {
-    u'&': u'\\&',
-    u'%': u'\\%',
-    u'$': u'\\$',
-    u'#': u'\\#',
-    u'_': u'\\_',
-    u'{': u'\\{',
-    u'}': u'\\}',
-    u'~': u'\\textasciitilde{}',
-    u'^': u'\\textasciicircum{}',
-    u'\\': u'\\textbackslash{}',
+    '&': '\\&',
+    '%': '\\%',
+    '$': '\\$',
+    '#': '\\#',
+    '_': '\\_',
+    '{': '\\{',
+    '}': '\\}',
+    '~': '\\textasciitilde{}',
+    '^': '\\textasciicircum{}',
+    '\\': '\\textbackslash{}',
 
     # these may be optional:
-    u'<': u'\\textless{}',
-    u'>': u'\\textgreater{}',
-    u'|': u'\\textbar{}',
-    u'"': u'\\textquotedbl{}',
+    '<': '\\textless{}',
+    '>': '\\textgreater{}',
+    '|': '\\textbar{}',
+    '"': '\\textquotedbl{}',
 
     # to prevent issues with '\\' linebreaks
-    u'[': u'{[}',
-    u']': u'{]}',
+    '[': '{[}',
+    ']': '{]}',
 }
 
 

latex/build.py

@@ -2,10 +2,9 @@
 import subprocess
 from subprocess import CalledProcessError
 
-from future.utils import raise_from
 from data import Data as I
 from data.decorators import data
-from shutilwhich import which
+from shutil import which
 from six.moves import shlex_quote
 from tempdir import TempDir
 
@@ -110,7 +109,7 @@ def build_pdf(self, source, texinputs=[]):
                                       stdout=open(os.devnull, 'w'),
                                       stderr=open(os.devnull, 'w'), )
             except CalledProcessError as e:
-                raise_from(LatexBuildError(base_fn + '.log'), e)
+                raise LatexBuildError(base_fn + '.log') from e
 
             return I(open(output_fn, 'rb').read(), encoding=None)
 
@@ -174,7 +173,7 @@ def build_pdf(self, source, texinputs=[]):
                                           stdin=open(os.devnull, 'r'),
                                           stdout=open(os.devnull, 'w'), )
                 except CalledProcessError as e:
-                    raise_from(LatexBuildError(base_fn + '.log'), e)
+                    raise LatexBuildError(base_fn + '.log') from e
 
                 # check aux-file
                 aux = open(aux_fn, 'rb').read()

latex/jinja2.py

@@ -1,4 +1,4 @@
-from __future__ import absolute_import
+
 
 from markupsafe import Markup
 from jinja2 import Environment

setup.py

@@ -20,9 +20,8 @@ def read(fname):
     url='http://github.com/mbr/latex',
     license='MIT',
     packages=find_packages(exclude=['tests']),
-    install_requires=['tempdir', 'data', 'future', 'shutilwhich'],
+    install_requires=['tempdir', 'data'],
     classifiers=[
-        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 3',
     ]
 )