MAINT: Dictionary litteral

numpy/core/setup.py

@@ -257,17 +257,10 @@ def check_types(config_cmd, ext, build_dir):
     # Expected size (in number of bytes) for each type. This is an
     # optimization: those are only hints, and an exhaustive search for the size
     # is done if the hints are wrong.
-    expected = {}
-    expected['short'] = [2]
-    expected['int'] = [4]
-    expected['long'] = [8, 4]
-    expected['float'] = [4]
-    expected['double'] = [8]
-    expected['long double'] = [16, 12, 8]
-    expected['Py_intptr_t'] = [8, 4]
-    expected['PY_LONG_LONG'] = [8]
-    expected['long long'] = [8]
-    expected['off_t'] = [8, 4]
+    expected = {'short': [2], 'int': [4], 'long': [8, 4],
+                'float': [4], 'double': [8], 'long double': [16, 12, 8],
+                'Py_intptr_t': [8, 4], 'PY_LONG_LONG': [8], 'long long': [8],
+                'off_t': [8, 4]}
 
     # Check we have the python header (-dev* packages on Linux)
     result = config_cmd.check_header('Python.h')

numpy/core/tests/test_item_selection.py

@@ -18,10 +18,9 @@ def test_simple(self):
         index_arrays = [np.empty(0, dtype=np.intp),
                         np.empty(tuple(), dtype=np.intp),
                         np.empty((1, 1), dtype=np.intp)]
-        real_indices = {}
-        real_indices['raise'] = {-1:1, 4:IndexError}
-        real_indices['wrap'] = {-1:1, 4:0}
-        real_indices['clip'] = {-1:0, 4:1}
+        real_indices = {'raise': {-1: 1, 4: IndexError},
+                        'wrap': {-1: 1, 4: 0},
+                        'clip': {-1: 0, 4: 1}}
         # Currently all types but object, use the same function generation.
         # So it should not be necessary to test all. However test also a non
         # refcounted struct on top of object.

numpy/core/tests/test_umath.py

@@ -1836,16 +1836,14 @@ def test_spacing_gfortran():
     #        WRITE(*,*) spacing(1000._SGL)
     #        WRITE(*,*) spacing(10500._SGL)
     #       END PROGRAM
-    ref = {}
-    ref[np.float64] = [1.69406589450860068E-021,
-           2.22044604925031308E-016,
-           1.13686837721616030E-013,
-           1.81898940354585648E-012]
-    ref[np.float32] = [
-            9.09494702E-13,
-            1.19209290E-07,
-            6.10351563E-05,
-            9.76562500E-04]
+    ref = {np.float64: [1.69406589450860068E-021,
+                        2.22044604925031308E-016,
+                        1.13686837721616030E-013,
+                        1.81898940354585648E-012],
+           np.float32: [9.09494702E-13,
+                        1.19209290E-07,
+                        6.10351563E-05,
+                        9.76562500E-04]}
 
     for dt, dec_ in zip([np.float32, np.float64], (10, 20)):
         x = np.array([1e-5, 1, 1000, 10500], dtype=dt)

numpy/distutils/system_info.py

@@ -470,15 +470,13 @@ def __init__(self,
                   ):
         self.__class__.info = {}
         self.local_prefixes = []
-        defaults = {}
-        defaults['library_dirs'] = os.pathsep.join(default_lib_dirs)
-        defaults['include_dirs'] = os.pathsep.join(default_include_dirs)
-        defaults['runtime_library_dirs'] = os.pathsep.join(default_runtime_dirs)
-        defaults['rpath'] = ''
-        defaults['src_dirs'] = os.pathsep.join(default_src_dirs)
-        defaults['search_static_first'] = str(self.search_static_first)
-        defaults['extra_compile_args'] = ''
-        defaults['extra_link_args'] = ''
+        defaults = {'library_dirs': os.pathsep.join(default_lib_dirs),
+                    'include_dirs': os.pathsep.join(default_include_dirs),
+                    'runtime_library_dirs': os.pathsep.join(default_runtime_dirs),
+                    'rpath': '',
+                    'src_dirs': os.pathsep.join(default_src_dirs),
+                    'search_static_first': str(self.search_static_first),
+                    'extra_compile_args': '', 'extra_link_args': ''}
         self.cp = ConfigParser(defaults)
         self.files = []
         self.files.extend(get_standard_file('.numpy-site.cfg'))

numpy/distutils/tests/test_system_info.py

@@ -64,15 +64,14 @@ def __init__(self,
                  ):
         self.__class__.info = {}
         self.local_prefixes = []
-        defaults = {}
-        defaults['library_dirs'] = ''
-        defaults['include_dirs'] = ''
-        defaults['runtime_library_dirs'] = ''
-        defaults['rpath'] = ''
-        defaults['src_dirs'] = ''
-        defaults['search_static_first'] = "0"
-        defaults['extra_compile_args'] = ''
-        defaults['extra_link_args'] = ''
+        defaults = {'library_dirs': '',
+                    'include_dirs': '',
+                    'runtime_library_dirs': '',
+                    'rpath': '',
+                    'src_dirs': '',
+                    'search_static_first': "0",
+                    'extra_compile_args': '',
+                    'extra_link_args': ''}
         self.cp = ConfigParser(defaults)
         # We have to parse the config files afterwards
         # to have a consistent temporary filepath

numpy/f2py/capi_maps.py

@@ -519,8 +519,7 @@ def sign2map(a, var):
             if k[:4] == 'out=':
                 out_a = k[4:]
                 break
-    ret = {'varname': a, 'outvarname': out_a}
-    ret['ctype'] = getctype(var)
+    ret = {'varname': a, 'outvarname': out_a, 'ctype': getctype(var)}
     intent_flags = []
     for f, s in isintent_dict.items():
         if f(var):
@@ -823,8 +822,7 @@ def cb_routsign2map(rout, um):
 
 
 def common_sign2map(a, var):  # obsolute
-    ret = {'varname': a}
-    ret['ctype'] = getctype(var)
+    ret = {'varname': a, 'ctype': getctype(var)}
     if isstringarray(var):
         ret['ctype'] = 'char'
     if ret['ctype'] in c2capi_map:

numpy/lib/format.py

@@ -265,8 +265,7 @@ def header_data_from_array_1_0(array):
         This has the appropriate entries for writing its string representation
         to the header of the file.
     """
-    d = {}
-    d['shape'] = array.shape
+    d = {'shape': array.shape}
     if array.flags.c_contiguous:
         d['fortran_order'] = False
     elif array.flags.f_contiguous: