curses.ascii: Add pristine from Python 3.4.2.

curses.ascii/curses/ascii.py

@@ -0,0 +1,99 @@
+"""Constants and membership tests for ASCII characters"""
+
+NUL     = 0x00  # ^@
+SOH     = 0x01  # ^A
+STX     = 0x02  # ^B
+ETX     = 0x03  # ^C
+EOT     = 0x04  # ^D
+ENQ     = 0x05  # ^E
+ACK     = 0x06  # ^F
+BEL     = 0x07  # ^G
+BS      = 0x08  # ^H
+TAB     = 0x09  # ^I
+HT      = 0x09  # ^I
+LF      = 0x0a  # ^J
+NL      = 0x0a  # ^J
+VT      = 0x0b  # ^K
+FF      = 0x0c  # ^L
+CR      = 0x0d  # ^M
+SO      = 0x0e  # ^N
+SI      = 0x0f  # ^O
+DLE     = 0x10  # ^P
+DC1     = 0x11  # ^Q
+DC2     = 0x12  # ^R
+DC3     = 0x13  # ^S
+DC4     = 0x14  # ^T
+NAK     = 0x15  # ^U
+SYN     = 0x16  # ^V
+ETB     = 0x17  # ^W
+CAN     = 0x18  # ^X
+EM      = 0x19  # ^Y
+SUB     = 0x1a  # ^Z
+ESC     = 0x1b  # ^[
+FS      = 0x1c  # ^\
+GS      = 0x1d  # ^]
+RS      = 0x1e  # ^^
+US      = 0x1f  # ^_
+SP      = 0x20  # space
+DEL     = 0x7f  # delete
+
+controlnames = [
+"NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL",
+"BS",  "HT",  "LF",  "VT",  "FF",  "CR",  "SO",  "SI",
+"DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB",
+"CAN", "EM",  "SUB", "ESC", "FS",  "GS",  "RS",  "US",
+"SP"
+]
+
+def _ctoi(c):
+    if type(c) == type(""):
+        return ord(c)
+    else:
+        return c
+
+def isalnum(c): return isalpha(c) or isdigit(c)
+def isalpha(c): return isupper(c) or islower(c)
+def isascii(c): return _ctoi(c) <= 127          # ?
+def isblank(c): return _ctoi(c) in (8,32)
+def iscntrl(c): return _ctoi(c) <= 31
+def isdigit(c): return _ctoi(c) >= 48 and _ctoi(c) <= 57
+def isgraph(c): return _ctoi(c) >= 33 and _ctoi(c) <= 126
+def islower(c): return _ctoi(c) >= 97 and _ctoi(c) <= 122
+def isprint(c): return _ctoi(c) >= 32 and _ctoi(c) <= 126
+def ispunct(c): return _ctoi(c) != 32 and not isalnum(c)
+def isspace(c): return _ctoi(c) in (9, 10, 11, 12, 13, 32)
+def isupper(c): return _ctoi(c) >= 65 and _ctoi(c) <= 90
+def isxdigit(c): return isdigit(c) or \
+    (_ctoi(c) >= 65 and _ctoi(c) <= 70) or (_ctoi(c) >= 97 and _ctoi(c) <= 102)
+def isctrl(c): return _ctoi(c) < 32
+def ismeta(c): return _ctoi(c) > 127
+
+def ascii(c):
+    if type(c) == type(""):
+        return chr(_ctoi(c) & 0x7f)
+    else:
+        return _ctoi(c) & 0x7f
+
+def ctrl(c):
+    if type(c) == type(""):
+        return chr(_ctoi(c) & 0x1f)
+    else:
+        return _ctoi(c) & 0x1f
+
+def alt(c):
+    if type(c) == type(""):
+        return chr(_ctoi(c) | 0x80)
+    else:
+        return _ctoi(c) | 0x80
+
+def unctrl(c):
+    bits = _ctoi(c)
+    if bits == 0x7f:
+        rep = "^?"
+    elif isprint(bits & 0x7f):
+        rep = chr(bits & 0x7f)
+    else:
+        rep = "^" + chr(((bits & 0x7f) | 0x20) + 0x20)
+    if bits & 0x80:
+        return "!" + rep
+    return rep