DEP: Fix escaped string characters deprecated in Python 3.6.

In Python 3.6 a number of escape sequences that were previously accepted
-- for instance "\(" that was translated to "\\(" -- are deprecated. To
retain the previous behavior either raw strings must be used or the
backslash must be properly escaped itself.

5 files changed, 7 insertions, 7 deletions

diff --git a/numpy/distutils/fcompiler/compaq.py b/numpy/distutils/fcompiler/compaq.py
index 2dd6c01e6..1510ca9d8 100644
--- a/numpy/distutils/fcompiler/compaq.py
+++ b/numpy/distutils/fcompiler/compaq.py
@@ -58,8 +58,8 @@ class CompaqVisualFCompiler(FCompiler):
 
     compiler_type = 'compaqv'
     description = 'DIGITAL or Compaq Visual Fortran Compiler'
-    version_pattern = r'(DIGITAL|Compaq) Visual Fortran Optimizing Compiler'\
-                      ' Version (?P<version>[^\s]*).*'
+    version_pattern = (r'(DIGITAL|Compaq) Visual Fortran Optimizing Compiler'
+                       r' Version (?P<version>[^\s]*).*')
 
     compile_switch = '/compile_only'
     object_switch = '/object:'
diff --git a/numpy/distutils/fcompiler/gnu.py b/numpy/distutils/fcompiler/gnu.py
index 1cddf7e83..4649fd743 100644
--- a/numpy/distutils/fcompiler/gnu.py
+++ b/numpy/distutils/fcompiler/gnu.py
@@ -15,7 +15,7 @@ from numpy.distutils.compat import get_exception
 
 compilers = ['GnuFCompiler', 'Gnu95FCompiler']
 
-TARGET_R = re.compile("Target: ([a-zA-Z0-9_\-]*)")
+TARGET_R = re.compile(r"Target: ([a-zA-Z0-9_\-]*)")
 
 # XXX: handle cross compilation
 def is_win64():
diff --git a/numpy/distutils/fcompiler/ibm.py b/numpy/distutils/fcompiler/ibm.py
index cc65df972..388ec99b1 100644
--- a/numpy/distutils/fcompiler/ibm.py
+++ b/numpy/distutils/fcompiler/ibm.py
@@ -36,7 +36,7 @@ class IBMFCompiler(FCompiler):
             xlf = find_executable('xlf')
             if os.path.exists(xlf) and os.path.exists(lslpp):
                 s, o = exec_command(lslpp + ' -Lc xlfcmp')
-                m = re.search('xlfcmp:(?P<version>\d+([.]\d+)+)', o)
+                m = re.search(r'xlfcmp:(?P<version>\d+([.]\d+)+)', o)
                 if m: version = m.group('version')
 
         xlf_dir = '/etc/opt/ibmcmp/xlf'
diff --git a/numpy/distutils/fcompiler/intel.py b/numpy/distutils/fcompiler/intel.py
index f3e616e1d..f6f2d7e32 100644
--- a/numpy/distutils/fcompiler/intel.py
+++ b/numpy/distutils/fcompiler/intel.py
@@ -202,7 +202,7 @@ class IntelEM64VisualFCompiler(IntelVisualFCompiler):
     compiler_type = 'intelvem'
     description = 'Intel Visual Fortran Compiler for 64-bit apps'
 
-    version_match = simple_version_match(start='Intel\(R\).*?64,')
+    version_match = simple_version_match(start=r'Intel\(R\).*?64,')
 
     def get_flags_arch(self):
         return ['']
diff --git a/numpy/distutils/fcompiler/vast.py b/numpy/distutils/fcompiler/vast.py
index 05bbc10ba..df3469dff 100644
--- a/numpy/distutils/fcompiler/vast.py
+++ b/numpy/distutils/fcompiler/vast.py
@@ -10,8 +10,8 @@ class VastFCompiler(GnuFCompiler):
     compiler_type = 'vast'
     compiler_aliases = ()
     description = 'Pacific-Sierra Research Fortran 90 Compiler'
-    version_pattern = r'\s*Pacific-Sierra Research vf90 '\
-                      '(Personal|Professional)\s+(?P<version>[^\s]*)'
+    version_pattern = (r'\s*Pacific-Sierra Research vf90 '
+                       r'(Personal|Professional)\s+(?P<version>[^\s]*)')
 
     # VAST f90 does not support -o with -c. So, object files are created
     # to the current directory and then moved to build directory