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3
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1 #!/usr/bin/env python3
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2 # -*- coding: utf-8 -*-
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3
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4 import os, sys
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5 import argparse
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6 import codecs
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7
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4
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8 from curlers import TextCurler, HtmlCurler, uncurl
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10
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9 from runes import Workspace
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3
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10 from writer import CODECS_TO_NAME
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11
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12 # V a r i a b l e s
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13
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14 # Name invoked by
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15 MYNAME = os.path.basename(sys.argv[0])
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16
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17 # Streams
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18 input_fp = None
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19 output_fp = None
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20
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21 # F u n c t i o n s
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22
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23 def normal():
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4
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24 global input_fp, output_fp, args
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10
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25 ws = Workspace()
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26 curler = TextCurler(ws)
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27 while True:
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28 line = input_fp.readline()
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29 ws.append(line)
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30 if line == "" or line == "\n":
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31 if args.force: uncurl(ws)
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32 curler.feed()
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33 output_fp.write(str(ws))
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34 ws.clear()
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35 if line == "":
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36 break
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3
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37
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38 def flowed():
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39 global input_fp, output_fp, args
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10
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40 ws = Workspace()
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41 curler = TextCurler(ws)
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42 while True:
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43 line = input_fp.readline()
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44 if line == "":
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45 break
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46 ws.append(line)
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47 if args.force: uncurl(ws)
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48 curler.feed()
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49 output_fp.write(str(ws))
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50 ws.clear()
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3
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51
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52 def html():
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53 global input_fp, output_fp
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10
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54 ws = Workspace(input_fp.read())
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55 curler = HtmlCurler(ws)
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56 if args.force: uncurl(ws)
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57 curler.feed()
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58 output_fp.write(str(ws))
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3
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59
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5
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60 def do_uncurl():
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61 global input_fp, output_fp
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10
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62 ws = Workspace(input_fp.read())
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63 uncurl(ws)
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64 output_fp.write(str(ws))
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5
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65
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3
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66 # M a i n P r o g r a m
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67
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68 # Parse arguments
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8
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69 parser = argparse.ArgumentParser(
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70 description='Make straight quotes curly.', prog=MYNAME)
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3
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71 group = parser.add_mutually_exclusive_group()
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72 group.add_argument("--flowed", action="store_true", help="Input is flowed text.")
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73 group.add_argument("--html", action="store_true", help="Input is HTML.")
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5
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74 group.add_argument("--uncurl", action="store_true", help="Uncurl quotes instead of curling them.")
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3
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75 parser.add_argument("--force", action="store_true", help="Force all quotes to straight ones first.")
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8
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76 parser.add_argument("--icoding", default="UTF-8", help="Input encoding (default UTF-8).")
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3
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77 parser.add_argument("--inplace", action="store_true", help="Edit file in-place.")
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8
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78 parser.add_argument("--ocoding", default="UTF-8", help="Output encoding (default UTF-8).")
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3
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79 parser.add_argument("input", nargs="?", help="Input file.")
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80 parser.add_argument("output", nargs="?", help="Output file.")
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81 try:
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82 args = parser.parse_args()
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83 except SystemExit:
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84 sys.exit(2)
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85
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86 # Sanity-check codings
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87 try:
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88 codec = codecs.lookup(args.icoding)
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89 codec = codecs.lookup(args.ocoding)
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90 except LookupError as e:
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91 sys.stderr.write("{0}: {1!s}\n".format(MYNAME, e))
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92 sys.exit(2)
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93 if not CODECS_TO_NAME.get(codec, "").startswith("UTF-"):
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8
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94 sys.stderr.write("{0}: {1!r} output coding does not support Unicode\n".format(MYNAME, args.ocoding))
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3
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95 sys.exit(1)
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96 del codec
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97
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98 # Get streams
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99 try:
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100 if args.input and (not args.output) and args.inplace:
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101 args.output = args.input
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102 args.input += "~"
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5
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103 os.rename(args.output, args.input)
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3
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104 if args.input:
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105 input_fp = open(args.input, "r", encoding=args.icoding)
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106 else:
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107 input_fp = open(0, "r", encoding=args.icoding)
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108 if args.output:
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109 output_fp = open(args.output, "w", encoding=args.ocoding)
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110 else:
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111 output_fp = open(1, "w", encoding=args.ocoding)
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112 except (OSError, LookupError) as e:
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113 sys.stderr.write("{0}: {1!s}\n".format(MYNAME, e))
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114 sys.exit(1)
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115
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116 # Choose our mode
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117 if args.flowed:
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118 flowed()
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119 elif args.html:
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120 html()
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5
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121 elif args.uncurl:
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122 do_uncurl()
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3
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123 else:
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124 normal()
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