print() is a function in Python 3 (#98)

Author: cclauss

demo/btrfs-snap.py

@@ -3,6 +3,7 @@
 
 creates a exactly named snapshots and bails out if they exist
 """
+from __future__ import print_function
 
 import argparse
 import fcntl
@@ -47,6 +48,6 @@
 try:
     fcntl.ioctl(target, lib.BTRFS_IOC_SNAP_CREATE_V2, args_buffer)
 except IOError as e:
-    print e
+    print(e)
     sys.exit(1)
 

demo/extern_python_varargs.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import cffi
 
 ffi = cffi.FFI()
@@ -46,16 +47,16 @@ def f(n, va):
         x = lib.fetch_int(va)
         y = lib.fetch_int(va)
         z = lib.fetch_int(va)
-        print (x, y, z)
+        print(x, y, z)
     elif n == 1:
         ptr = lib.fetch_ptr(va)
-        print 'ptr to:', ffi.cast("int *", ptr)[0]
+        print('ptr to:', ffi.cast("int *", ptr)[0])
     elif n == 2:
         x = lib.fetch_double(va)
         y = lib.fetch_double(va)
-        print (x, y)
+        print(x, y)
     else:
         raise AssertionError(n)
     return 14
 
-print lib.my_algo(10)
+print(lib.my_algo(10))

demo/fastcsv.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import csv
 import cffi
 
@@ -263,4 +264,4 @@ def fastcsv_reader(f, dialect_name):
     with open('/etc/passwd', 'rb') as f:
         reader = fastcsv_reader(f, 'unixpwd')
         for row in reader:
-            print row
+            print(row)

demo/gmp.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 #
 # This is only a demo based on the GMP library.
@@ -8,7 +9,7 @@
 try:
     from _gmp_cffi import ffi, lib
 except ImportError:
-    print 'run gmp_build first, then make sure the shared object is on sys.path'
+    print('run gmp_build first, then make sure the shared object is on sys.path')
     sys.exit(1)
 
 # ffi "knows" about the declared variables and functions from the
@@ -22,12 +23,12 @@
 b = ffi.new("mpz_t")
 
 if len(sys.argv) < 3:
-    print 'call as %s bigint1, bigint2' % sys.argv[0]
+    print('call as %s bigint1, bigint2' % sys.argv[0])
     sys.exit(2)
 
 lib.mpz_init_set_str(a, sys.argv[1], 10)	# Assume decimal integers
 lib.mpz_init_set_str(b, sys.argv[2], 10)	# Assume decimal integers
 lib.mpz_add(a, a, b)			# a=a+b
 
 s = lib.mpz_get_str(ffi.NULL, 10, a)
-print ffi.string(s)
+print(ffi.string(s))

demo/manual2.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import _cffi_backend
 
 ffi = _cffi_backend.FFI(b"manual2",
@@ -19,16 +20,16 @@
 x = lib.close(-42)
 assert x == -1
 
-print lib.stdout
+print(lib.stdout)
 
-print ffi.new("struct point_s *")
-print ffi.offsetof("struct point_s", "x")
-print ffi.offsetof("struct point_s", "y")
-print ffi.new("struct point_s[CC]")
+print(ffi.new("struct point_s *"))
+print(ffi.offsetof("struct point_s", "x"))
+print(ffi.offsetof("struct point_s", "y"))
+print(ffi.new("struct point_s[CC]"))
 assert ffi.sizeof("struct point_s[CC]") == 2 * ffi.sizeof("struct point_s")
 
-print ffi.cast("enum myenum_e", 2)
-print ffi.cast("myint_t", -2)
+print(ffi.cast("enum myenum_e", 2))
+print(ffi.cast("myint_t", -2))
 assert ffi.typeof("myint_t") == ffi.typeof("int")
 
 del ffi, lib

demo/pwuid.py

@@ -1,7 +1,8 @@
+from __future__ import print_function
 import sys, os
 
 # run pwuid_build first, then make sure the shared object is on sys.path
 from _pwuid_cffi import ffi, lib
 
 
-print ffi.string(lib.getpwuid(0).pw_name)
+print(ffi.string(lib.getpwuid(0).pw_name))

demo/pyobj.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 
 referents = []     # list "object descriptor -> python object"
 freelist = None
@@ -116,9 +117,9 @@ def pyobj_add(p1, p2):
     """)
 
     with Ref([10, 20, 30, 40]) as p_list:
-        print lib.sum_integers(p_list)
+        print(lib.sum_integers(p_list))
         with Ref(5) as p_initial:
             result = discard(lib.sum_objects(p_list, p_initial))
-            print result
+            print(result)
 
     assert count_pyobj_alive() == 0

demo/readdir.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 # A Linux-only demo
 #
 import sys
@@ -10,7 +11,7 @@
 
 
 def walk(basefd, path):
-    print '{', path
+    print('{', path)
     dirfd = lib.openat(basefd, path, 0)
     if dirfd < 0:
         # error in openat()
@@ -25,11 +26,11 @@ def walk(basefd, path):
         if result[0] == ffi.NULL:
             break
         name = ffi.string(dirent.d_name)
-        print '%3d %s' % (dirent.d_type, name)
+        print('%3d %s' % (dirent.d_type, name))
         if dirent.d_type == 4 and name != '.' and name != '..':
             walk(dirfd, name)
     lib.closedir(dir)
-    print '}'
+    print('}')
 
 
 walk(-1, "/tmp")

demo/readdir2.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 # A Linux-only demo, using set_source() instead of hard-coding the exact layouts
 #
 import sys
@@ -10,7 +11,7 @@
 
 
 def walk(basefd, path):
-    print '{', path
+    print('{', path)
     dirfd = lib.openat(basefd, path, 0)
     if dirfd < 0:
         # error in openat()
@@ -25,11 +26,11 @@ def walk(basefd, path):
         if result[0] == ffi.NULL:
             break
         name = ffi.string(dirent.d_name)
-        print '%3d %s' % (dirent.d_type, name)
+        print('%3d %s' % (dirent.d_type, name))
         if dirent.d_type == lib.DT_DIR and name != '.' and name != '..':
             walk(dirfd, name)
     lib.closedir(dir)
-    print '}'
+    print('}')
 
 
 walk(-1, "/tmp")

demo/readdir_ctypes.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 # A Linux-only demo
 #
 # For comparison purposes, this is a ctypes version of readdir.py.
@@ -44,7 +45,7 @@ class DIRENT(ctypes.Structure):
 
 
 def walk(basefd, path):
-    print '{', path
+    print('{', path)
     dirfd = openat(basefd, path, 0)
     if dirfd < 0:
         # error in openat()
@@ -59,11 +60,11 @@ def walk(basefd, path):
         if not result:
             break
         name = dirent.d_name
-        print '%3d %s' % (dirent.d_type, name)
+        print('%3d %s' % (dirent.d_type, name))
         if dirent.d_type == 4 and name != '.' and name != '..':
             walk(dirfd, name)
     closedir(dir)
-    print '}'
+    print('}')
 
 
 walk(-1, "/tmp")

demo/winclipboard.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 __author__ = "Israel Fruchter <[email protected]>"
 
 import sys, os
@@ -8,7 +9,7 @@
 try:
     from _winclipboard_cffi import ffi, lib
 except ImportError:
-    print 'run winclipboard_build first, then make sure the shared object is on sys.path'
+    print('run winclipboard_build first, then make sure the shared object is on sys.path')
     sys.exit(1)
 
 # ffi "knows" about the declared variables and functions from the