MAINT: remove redundant open() modes and io.open() alias

8 files changed, 15 insertions, 15 deletions

diff --git a/numpy/distutils/ccompiler.py b/numpy/distutils/ccompiler.py
index f0487cb64..8e71266ee 100644
--- a/numpy/distutils/ccompiler.py
+++ b/numpy/distutils/ccompiler.py
@@ -57,7 +57,7 @@ def _needs_build(obj, cc_args, extra_postargs, pp_opts):
     # the last line contains the compiler commandline arguments as some
     # projects may compile an extension multiple times with different
     # arguments
-    with open(dep_file, "r") as f:
+    with open(dep_file) as f:
         lines = f.readlines()
 
     cmdline =_commandline_dep_string(cc_args, extra_postargs, pp_opts)
diff --git a/numpy/distutils/command/build_ext.py b/numpy/distutils/command/build_ext.py
index 8b568c159..8ab1c2684 100644
--- a/numpy/distutils/command/build_ext.py
+++ b/numpy/distutils/command/build_ext.py
@@ -634,12 +634,12 @@ class build_ext (old_build_ext):
                 if os.path.isfile(fake_lib):
                     # Replace fake static library
                     libraries.remove(lib)
-                    with open(fake_lib, 'r') as f:
+                    with open(fake_lib) as f:
                         unlinkable_fobjects.extend(f.read().splitlines())
 
                     # Expand C objects
                     c_lib = os.path.join(libdir, lib + '.cobjects')
-                    with open(c_lib, 'r') as f:
+                    with open(c_lib) as f:
                         objects.extend(f.read().splitlines())
 
         # Wrap unlinkable objects to a linkable one
diff --git a/numpy/distutils/command/build_src.py b/numpy/distutils/command/build_src.py
index 5581011f6..bf3d03c70 100644
--- a/numpy/distutils/command/build_src.py
+++ b/numpy/distutils/command/build_src.py
@@ -725,7 +725,7 @@ _has_c_header = re.compile(r'-\*-\s*c\s*-\*-', re.I).search
 _has_cpp_header = re.compile(r'-\*-\s*c\+\+\s*-\*-', re.I).search
 
 def get_swig_target(source):
-    with open(source, 'r') as f:
+    with open(source) as f:
         result = None
         line = f.readline()
         if _has_cpp_header(line):
@@ -735,7 +735,7 @@ def get_swig_target(source):
     return result
 
 def get_swig_modulename(source):
-    with open(source, 'r') as f:
+    with open(source) as f:
         name = None
         for line in f:
             m = _swig_module_name_match(line)
diff --git a/numpy/distutils/command/install.py b/numpy/distutils/command/install.py
index 2eff2d145..efa9b4740 100644
--- a/numpy/distutils/command/install.py
+++ b/numpy/distutils/command/install.py
@@ -62,7 +62,7 @@ class install(old_install):
             # bdist_rpm fails when INSTALLED_FILES contains
             # paths with spaces. Such paths must be enclosed
             # with double-quotes.
-            with open(self.record, 'r') as f:
+            with open(self.record) as f:
                 lines = []
                 need_rewrite = False
                 for l in f:
diff --git a/numpy/distutils/fcompiler/ibm.py b/numpy/distutils/fcompiler/ibm.py
index eff24401a..29927518c 100644
--- a/numpy/distutils/fcompiler/ibm.py
+++ b/numpy/distutils/fcompiler/ibm.py
@@ -76,7 +76,7 @@ class IBMFCompiler(FCompiler):
                 xlf_cfg = '/etc/opt/ibmcmp/xlf/%s/xlf.cfg' % version
             fo, new_cfg = make_temp_file(suffix='_xlf.cfg')
             log.info('Creating '+new_cfg)
-            with open(xlf_cfg, 'r') as fi:
+            with open(xlf_cfg) as fi:
                 crt1_match = re.compile(r'\s*crt\s*=\s*(?P<path>.*)/crt1.o').match
                 for line in fi:
                     m = crt1_match(line)
diff --git a/numpy/distutils/misc_util.py b/numpy/distutils/misc_util.py
index 79ba08515..e226b4744 100644
--- a/numpy/distutils/misc_util.py
+++ b/numpy/distutils/misc_util.py
@@ -475,7 +475,7 @@ def _get_f90_modules(source):
     if not f90_ext_match(source):
         return []
     modules = []
-    with open(source, 'r') as f:
+    with open(source) as f:
         for line in f:
             m = f90_module_name_match(line)
             if m:
@@ -1932,7 +1932,7 @@ class Configuration:
                 revision0 = f.read().strip()
 
             branch_map = {}
-            with open(branch_cache_fn, 'r') as f:
+            with open(branch_cache_fn) as f:
                 for line in f:
                     branch1, revision1  = line.split()[:2]
                     if revision1==revision0:
diff --git a/numpy/distutils/system_info.py b/numpy/distutils/system_info.py
index d5a1687da..5a87c080d 100644
--- a/numpy/distutils/system_info.py
+++ b/numpy/distutils/system_info.py
@@ -1260,7 +1260,7 @@ class mkl_info(system_info):
         paths = os.environ.get('LD_LIBRARY_PATH', '').split(os.pathsep)
         ld_so_conf = '/etc/ld.so.conf'
         if os.path.isfile(ld_so_conf):
-            with open(ld_so_conf, 'r') as f:
+            with open(ld_so_conf) as f:
                 for d in f:
                     d = d.strip()
                     if d:
@@ -2190,7 +2190,7 @@ class blas_info(system_info):
             }""")
         src = os.path.join(tmpdir, 'source.c')
         try:
-            with open(src, 'wt') as f:
+            with open(src, 'w') as f:
                 f.write(s)
 
             try:
@@ -2345,7 +2345,7 @@ class openblas_info(blas_info):
         except Exception:
             extra_args = []
         try:
-            with open(src, 'wt') as f:
+            with open(src, 'w') as f:
                 f.write(s)
             obj = c.compile([src], output_dir=tmpdir)
             try:
@@ -2456,7 +2456,7 @@ class flame_info(system_info):
         # Add the additional "extra" arguments
         extra_args = info.get('extra_link_args', [])
         try:
-            with open(src, 'wt') as f:
+            with open(src, 'w') as f:
                 f.write(s)
             obj = c.compile([src], output_dir=tmpdir)
             try:
diff --git a/numpy/distutils/tests/test_system_info.py b/numpy/distutils/tests/test_system_info.py
index eb7235e04..66304a5e5 100644
--- a/numpy/distutils/tests/test_system_info.py
+++ b/numpy/distutils/tests/test_system_info.py
@@ -271,7 +271,7 @@ class TestSystemInfoReading:
 
             # But if we copy the values to a '[mkl]' section the value
             # is correct
-            with open(cfg, 'r') as fid:
+            with open(cfg) as fid:
                 mkl = fid.read().replace('[ALL]', '[mkl]', 1)
             with open(cfg, 'w') as fid:
                 fid.write(mkl)
@@ -279,7 +279,7 @@ class TestSystemInfoReading:
             assert info.get_lib_dirs() == lib_dirs
 
             # Also, the values will be taken from a section named '[DEFAULT]'
-            with open(cfg, 'r') as fid:
+            with open(cfg) as fid:
                 dflt = fid.read().replace('[mkl]', '[DEFAULT]', 1)
             with open(cfg, 'w') as fid:
                 fid.write(dflt)