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annotate venv/lib/python2.7/site-packages/requests/packages/chardet/chardetect.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 """
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3 Script which takes one or more file paths and reports on their detected
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4 encodings
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5
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6 Example::
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7
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8 % chardetect somefile someotherfile
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9 somefile: windows-1252 with confidence 0.5
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10 someotherfile: ascii with confidence 1.0
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11
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12 If no paths are provided, it takes its input from stdin.
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13
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14 """
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15
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16 from __future__ import absolute_import, print_function, unicode_literals
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17
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18 import argparse
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19 import sys
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20 from io import open
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21
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22 from chardet import __version__
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23 from chardet.universaldetector import UniversalDetector
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24
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25
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26 def description_of(lines, name='stdin'):
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27 """
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28 Return a string describing the probable encoding of a file or
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29 list of strings.
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30
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31 :param lines: The lines to get the encoding of.
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32 :type lines: Iterable of bytes
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33 :param name: Name of file or collection of lines
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34 :type name: str
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35 """
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36 u = UniversalDetector()
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37 for line in lines:
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38 u.feed(line)
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39 u.close()
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40 result = u.result
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41 if result['encoding']:
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42 return '{0}: {1} with confidence {2}'.format(name, result['encoding'],
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43 result['confidence'])
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44 else:
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45 return '{0}: no result'.format(name)
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46
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47
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48 def main(argv=None):
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49 '''
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50 Handles command line arguments and gets things started.
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51
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52 :param argv: List of arguments, as if specified on the command-line.
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53 If None, ``sys.argv[1:]`` is used instead.
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54 :type argv: list of str
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55 '''
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56 # Get command line arguments
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57 parser = argparse.ArgumentParser(
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58 description="Takes one or more file paths and reports their detected \
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59 encodings",
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60 formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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61 conflict_handler='resolve')
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62 parser.add_argument('input',
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63 help='File whose encoding we would like to determine.',
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64 type=argparse.FileType('rb'), nargs='*',
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65 default=[sys.stdin])
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66 parser.add_argument('--version', action='version',
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67 version='%(prog)s {0}'.format(__version__))
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68 args = parser.parse_args(argv)
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69
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70 for f in args.input:
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71 if f.isatty():
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72 print("You are running chardetect interactively. Press " +
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73 "CTRL-D twice at the start of a blank line to signal the " +
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74 "end of your input. If you want help, run chardetect " +
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75 "--help\n", file=sys.stderr)
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76 print(description_of(f, f.name))
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77
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78
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79 if __name__ == '__main__':
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80 main()