Mercurial > repos > shellac > sam_consensus_v3

annotate env/lib/python3.9/site-packages/click/_unicodefun.py @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
parents
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0
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1 import codecs
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2 import os
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3 import sys
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4
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5 from ._compat import PY2
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6
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7
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8 def _find_unicode_literals_frame():
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9 import __future__
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10
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11 if not hasattr(sys, "_getframe"): # not all Python implementations have it
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12 return 0
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13 frm = sys._getframe(1)
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14 idx = 1
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15 while frm is not None:
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16 if frm.f_globals.get("__name__", "").startswith("click."):
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17 frm = frm.f_back
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18 idx += 1
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19 elif frm.f_code.co_flags & __future__.unicode_literals.compiler_flag:
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20 return idx
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21 else:
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22 break
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23 return 0
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24
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25
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26 def _check_for_unicode_literals():
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27 if not __debug__:
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28 return
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29
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30 from . import disable_unicode_literals_warning
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31
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32 if not PY2 or disable_unicode_literals_warning:
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33 return
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34 bad_frame = _find_unicode_literals_frame()
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35 if bad_frame <= 0:
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36 return
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37 from warnings import warn
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38
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39 warn(
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40 Warning(
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41 "Click detected the use of the unicode_literals __future__"
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42 " import. This is heavily discouraged because it can"
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43 " introduce subtle bugs in your code. You should instead"
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44 ' use explicit u"" literals for your unicode strings. For'
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45 " more information see"
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46 " https://click.palletsprojects.com/python3/"
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47 ),
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48 stacklevel=bad_frame,
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49 )
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50
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51
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52 def _verify_python3_env():
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53 """Ensures that the environment is good for unicode on Python 3."""
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54 if PY2:
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55 return
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56 try:
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57 import locale
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58
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59 fs_enc = codecs.lookup(locale.getpreferredencoding()).name
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60 except Exception:
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61 fs_enc = "ascii"
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62 if fs_enc != "ascii":
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63 return
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64
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65 extra = ""
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66 if os.name == "posix":
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67 import subprocess
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68
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69 try:
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70 rv = subprocess.Popen(
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71 ["locale", "-a"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
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72 ).communicate()[0]
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73 except OSError:
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74 rv = b""
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75 good_locales = set()
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76 has_c_utf8 = False
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77
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78 # Make sure we're operating on text here.
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79 if isinstance(rv, bytes):
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80 rv = rv.decode("ascii", "replace")
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81
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82 for line in rv.splitlines():
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83 locale = line.strip()
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84 if locale.lower().endswith((".utf-8", ".utf8")):
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85 good_locales.add(locale)
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86 if locale.lower() in ("c.utf8", "c.utf-8"):
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87 has_c_utf8 = True
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88
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89 extra += "\n\n"
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90 if not good_locales:
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91 extra += (
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92 "Additional information: on this system no suitable"
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93 " UTF-8 locales were discovered. This most likely"
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94 " requires resolving by reconfiguring the locale"
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95 " system."
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96 )
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97 elif has_c_utf8:
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98 extra += (
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99 "This system supports the C.UTF-8 locale which is"
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100 " recommended. You might be able to resolve your issue"
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101 " by exporting the following environment variables:\n\n"
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102 " export LC_ALL=C.UTF-8\n"
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103 " export LANG=C.UTF-8"
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104 )
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105 else:
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106 extra += (
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107 "This system lists a couple of UTF-8 supporting locales"
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108 " that you can pick from. The following suitable"
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109 " locales were discovered: {}".format(", ".join(sorted(good_locales)))
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110 )
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111
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112 bad_locale = None
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113 for locale in os.environ.get("LC_ALL"), os.environ.get("LANG"):
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114 if locale and locale.lower().endswith((".utf-8", ".utf8")):
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115 bad_locale = locale
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116 if locale is not None:
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117 break
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118 if bad_locale is not None:
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119 extra += (
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120 "\n\nClick discovered that you exported a UTF-8 locale"
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121 " but the locale system could not pick up from it"
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122 " because it does not exist. The exported locale is"
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123 " '{}' but it is not supported".format(bad_locale)
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124 )
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125
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126 raise RuntimeError(
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127 "Click will abort further execution because Python 3 was"
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128 " configured to use ASCII as encoding for the environment."
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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129 " Consult https://click.palletsprojects.com/python3/ for"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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130 " mitigation steps.{}".format(extra)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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131 )