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annotate lib/python3.8/site-packages/pip/_vendor/distlib/scripts.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 # -*- coding: utf-8 -*-
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2 #
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3 # Copyright (C) 2013-2015 Vinay Sajip.
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4 # Licensed to the Python Software Foundation under a contributor agreement.
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5 # See LICENSE.txt and CONTRIBUTORS.txt.
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6 #
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7 from io import BytesIO
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8 import logging
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9 import os
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10 import re
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11 import struct
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12 import sys
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13
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14 from .compat import sysconfig, detect_encoding, ZipFile
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15 from .resources import finder
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16 from .util import (FileOperator, get_export_entry, convert_path,
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17 get_executable, in_venv)
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18
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19 logger = logging.getLogger(__name__)
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20
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21 _DEFAULT_MANIFEST = '''
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22 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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23 <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
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24 <assemblyIdentity version="1.0.0.0"
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25 processorArchitecture="X86"
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26 name="%s"
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27 type="win32"/>
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28
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29 <!-- Identify the application security requirements. -->
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30 <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
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31 <security>
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32 <requestedPrivileges>
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33 <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
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34 </requestedPrivileges>
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35 </security>
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36 </trustInfo>
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37 </assembly>'''.strip()
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38
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39 # check if Python is called on the first line with this expression
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40 FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$')
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41 SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*-
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42 import re
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43 import sys
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44 from %(module)s import %(import_name)s
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45 if __name__ == '__main__':
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46 sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
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47 sys.exit(%(func)s())
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48 '''
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49
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50
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51 def _enquote_executable(executable):
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52 if ' ' in executable:
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53 # make sure we quote only the executable in case of env
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54 # for example /usr/bin/env "/dir with spaces/bin/jython"
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55 # instead of "/usr/bin/env /dir with spaces/bin/jython"
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56 # otherwise whole
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57 if executable.startswith('/usr/bin/env '):
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58 env, _executable = executable.split(' ', 1)
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59 if ' ' in _executable and not _executable.startswith('"'):
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60 executable = '%s "%s"' % (env, _executable)
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61 else:
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62 if not executable.startswith('"'):
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63 executable = '"%s"' % executable
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64 return executable
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65
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66
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67 class ScriptMaker(object):
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68 """
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69 A class to copy or create scripts from source scripts or callable
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70 specifications.
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71 """
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72 script_template = SCRIPT_TEMPLATE
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73
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74 executable = None # for shebangs
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75
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76 def __init__(self, source_dir, target_dir, add_launchers=True,
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77 dry_run=False, fileop=None):
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78 self.source_dir = source_dir
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79 self.target_dir = target_dir
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80 self.add_launchers = add_launchers
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81 self.force = False
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82 self.clobber = False
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83 # It only makes sense to set mode bits on POSIX.
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84 self.set_mode = (os.name == 'posix') or (os.name == 'java' and
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85 os._name == 'posix')
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86 self.variants = set(('', 'X.Y'))
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87 self._fileop = fileop or FileOperator(dry_run)
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88
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89 self._is_nt = os.name == 'nt' or (
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90 os.name == 'java' and os._name == 'nt')
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91
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92 def _get_alternate_executable(self, executable, options):
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93 if options.get('gui', False) and self._is_nt: # pragma: no cover
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94 dn, fn = os.path.split(executable)
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95 fn = fn.replace('python', 'pythonw')
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96 executable = os.path.join(dn, fn)
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97 return executable
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98
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99 if sys.platform.startswith('java'): # pragma: no cover
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100 def _is_shell(self, executable):
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101 """
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102 Determine if the specified executable is a script
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103 (contains a #! line)
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104 """
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105 try:
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106 with open(executable) as fp:
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107 return fp.read(2) == '#!'
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108 except (OSError, IOError):
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109 logger.warning('Failed to open %s', executable)
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110 return False
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111
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112 def _fix_jython_executable(self, executable):
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113 if self._is_shell(executable):
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114 # Workaround for Jython is not needed on Linux systems.
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115 import java
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116
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117 if java.lang.System.getProperty('os.name') == 'Linux':
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118 return executable
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119 elif executable.lower().endswith('jython.exe'):
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120 # Use wrapper exe for Jython on Windows
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121 return executable
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122 return '/usr/bin/env %s' % executable
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123
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124 def _build_shebang(self, executable, post_interp):
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125 """
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126 Build a shebang line. In the simple case (on Windows, or a shebang line
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127 which is not too long or contains spaces) use a simple formulation for
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128 the shebang. Otherwise, use /bin/sh as the executable, with a contrived
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129 shebang which allows the script to run either under Python or sh, using
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130 suitable quoting. Thanks to Harald Nordgren for his input.
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131
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132 See also: http://www.in-ulm.de/~mascheck/various/shebang/#length
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133 https://hg.mozilla.org/mozilla-central/file/tip/mach
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134 """
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135 if os.name != 'posix':
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136 simple_shebang = True
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137 else:
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138 # Add 3 for '#!' prefix and newline suffix.
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139 shebang_length = len(executable) + len(post_interp) + 3
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140 if sys.platform == 'darwin':
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141 max_shebang_length = 512
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142 else:
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143 max_shebang_length = 127
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144 simple_shebang = ((b' ' not in executable) and
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145 (shebang_length <= max_shebang_length))
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146
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147 if simple_shebang:
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148 result = b'#!' + executable + post_interp + b'\n'
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149 else:
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150 result = b'#!/bin/sh\n'
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151 result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n'
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152 result += b"' '''"
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153 return result
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154
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155 def _get_shebang(self, encoding, post_interp=b'', options=None):
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156 enquote = True
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157 if self.executable:
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158 executable = self.executable
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159 enquote = False # assume this will be taken care of
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160 elif not sysconfig.is_python_build():
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161 executable = get_executable()
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162 elif in_venv(): # pragma: no cover
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163 executable = os.path.join(sysconfig.get_path('scripts'),
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164 'python%s' % sysconfig.get_config_var('EXE'))
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165 else: # pragma: no cover
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166 executable = os.path.join(
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167 sysconfig.get_config_var('BINDIR'),
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168 'python%s%s' % (sysconfig.get_config_var('VERSION'),
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169 sysconfig.get_config_var('EXE')))
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170 if options:
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171 executable = self._get_alternate_executable(executable, options)
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172
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173 if sys.platform.startswith('java'): # pragma: no cover
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174 executable = self._fix_jython_executable(executable)
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175
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176 # Normalise case for Windows - COMMENTED OUT
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177 # executable = os.path.normcase(executable)
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178 # N.B. The normalising operation above has been commented out: See
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179 # issue #124. Although paths in Windows are generally case-insensitive,
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180 # they aren't always. For example, a path containing a ẞ (which is a
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181 # LATIN CAPITAL LETTER SHARP S - U+1E9E) is normcased to ß (which is a
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182 # LATIN SMALL LETTER SHARP S' - U+00DF). The two are not considered by
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183 # Windows as equivalent in path names.
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184
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185 # If the user didn't specify an executable, it may be necessary to
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186 # cater for executable paths with spaces (not uncommon on Windows)
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187 if enquote:
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188 executable = _enquote_executable(executable)
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189 # Issue #51: don't use fsencode, since we later try to
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190 # check that the shebang is decodable using utf-8.
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191 executable = executable.encode('utf-8')
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192 # in case of IronPython, play safe and enable frames support
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193 if (sys.platform == 'cli' and '-X:Frames' not in post_interp
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194 and '-X:FullFrames' not in post_interp): # pragma: no cover
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195 post_interp += b' -X:Frames'
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196 shebang = self._build_shebang(executable, post_interp)
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197 # Python parser starts to read a script using UTF-8 until
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198 # it gets a #coding:xxx cookie. The shebang has to be the
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199 # first line of a file, the #coding:xxx cookie cannot be
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200 # written before. So the shebang has to be decodable from
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201 # UTF-8.
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202 try:
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203 shebang.decode('utf-8')
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204 except UnicodeDecodeError: # pragma: no cover
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205 raise ValueError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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206 'The shebang (%r) is not decodable from utf-8' % shebang)
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207 # If the script is encoded to a custom encoding (use a
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208 # #coding:xxx cookie), the shebang has to be decodable from
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209 # the script encoding too.
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210 if encoding != 'utf-8':
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211 try:
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212 shebang.decode(encoding)
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213 except UnicodeDecodeError: # pragma: no cover
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214 raise ValueError(
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215 'The shebang (%r) is not decodable '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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216 'from the script encoding (%r)' % (shebang, encoding))
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217 return shebang
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218
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219 def _get_script_text(self, entry):
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220 return self.script_template % dict(module=entry.prefix,
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221 import_name=entry.suffix.split('.')[0],
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222 func=entry.suffix)
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223
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224 manifest = _DEFAULT_MANIFEST
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225
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226 def get_manifest(self, exename):
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227 base = os.path.basename(exename)
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228 return self.manifest % base
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229
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230 def _write_script(self, names, shebang, script_bytes, filenames, ext):
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231 use_launcher = self.add_launchers and self._is_nt
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232 linesep = os.linesep.encode('utf-8')
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233 if not shebang.endswith(linesep):
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234 shebang += linesep
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235 if not use_launcher:
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236 script_bytes = shebang + script_bytes
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237 else: # pragma: no cover
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238 if ext == 'py':
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239 launcher = self._get_launcher('t')
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240 else:
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241 launcher = self._get_launcher('w')
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242 stream = BytesIO()
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243 with ZipFile(stream, 'w') as zf:
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244 zf.writestr('__main__.py', script_bytes)
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245 zip_data = stream.getvalue()
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parents:
diff changeset
246 script_bytes = launcher + shebang + zip_data
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
247 for name in names:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
248 outname = os.path.join(self.target_dir, name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
249 if use_launcher: # pragma: no cover
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
250 n, e = os.path.splitext(outname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
251 if e.startswith('.py'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
252 outname = n
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
253 outname = '%s.exe' % outname
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
254 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
255 self._fileop.write_binary_file(outname, script_bytes)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
256 except Exception:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
257 # Failed writing an executable - it might be in use.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
258 logger.warning('Failed to write executable - trying to '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
259 'use .deleteme logic')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
260 dfname = '%s.deleteme' % outname
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
261 if os.path.exists(dfname):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
262 os.remove(dfname) # Not allowed to fail here
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
263 os.rename(outname, dfname) # nor here
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
264 self._fileop.write_binary_file(outname, script_bytes)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
265 logger.debug('Able to replace executable using '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
266 '.deleteme logic')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
267 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
268 os.remove(dfname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
269 except Exception:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
270 pass # still in use - ignore error
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
271 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
272 if self._is_nt and not outname.endswith('.' + ext): # pragma: no cover
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
273 outname = '%s.%s' % (outname, ext)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
274 if os.path.exists(outname) and not self.clobber:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
275 logger.warning('Skipping existing file %s', outname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
276 continue
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
277 self._fileop.write_binary_file(outname, script_bytes)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
278 if self.set_mode:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
279 self._fileop.set_executable_mode([outname])
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
280 filenames.append(outname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
281
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
282 def _make_script(self, entry, filenames, options=None):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
283 post_interp = b''
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
284 if options:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
285 args = options.get('interpreter_args', [])
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
286 if args:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
287 args = ' %s' % ' '.join(args)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
288 post_interp = args.encode('utf-8')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
289 shebang = self._get_shebang('utf-8', post_interp, options=options)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
290 script = self._get_script_text(entry).encode('utf-8')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
291 name = entry.name
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
292 scriptnames = set()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
293 if '' in self.variants:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
294 scriptnames.add(name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
295 if 'X' in self.variants:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
296 scriptnames.add('%s%s' % (name, sys.version_info[0]))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
297 if 'X.Y' in self.variants:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
298 scriptnames.add('%s-%s.%s' % (name, sys.version_info[0],
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
299 sys.version_info[1]))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
300 if options and options.get('gui', False):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
301 ext = 'pyw'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
302 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
303 ext = 'py'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
304 self._write_script(scriptnames, shebang, script, filenames, ext)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
305
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
306 def _copy_script(self, script, filenames):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
307 adjust = False
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
308 script = os.path.join(self.source_dir, convert_path(script))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
309 outname = os.path.join(self.target_dir, os.path.basename(script))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
310 if not self.force and not self._fileop.newer(script, outname):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
311 logger.debug('not copying %s (up-to-date)', script)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
312 return
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
313
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
314 # Always open the file, but ignore failures in dry-run mode --
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
315 # that way, we'll get accurate feedback if we can read the
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
316 # script.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
317 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
318 f = open(script, 'rb')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
319 except IOError: # pragma: no cover
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
320 if not self.dry_run:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
321 raise
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
322 f = None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
323 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
324 first_line = f.readline()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
325 if not first_line: # pragma: no cover
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
326 logger.warning('%s: %s is an empty file (skipping)',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
327 self.get_command_name(), script)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
328 return
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
329
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
330 match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n'))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
331 if match:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
332 adjust = True
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
333 post_interp = match.group(1) or b''
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
334
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
335 if not adjust:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
336 if f:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
337 f.close()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
338 self._fileop.copy_file(script, outname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
339 if self.set_mode:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
340 self._fileop.set_executable_mode([outname])
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
341 filenames.append(outname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
342 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
343 logger.info('copying and adjusting %s -> %s', script,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
344 self.target_dir)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
345 if not self._fileop.dry_run:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
346 encoding, lines = detect_encoding(f.readline)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
347 f.seek(0)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
348 shebang = self._get_shebang(encoding, post_interp)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
349 if b'pythonw' in first_line: # pragma: no cover
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
350 ext = 'pyw'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
351 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
352 ext = 'py'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
353 n = os.path.basename(outname)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
354 self._write_script([n], shebang, f.read(), filenames, ext)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
355 if f:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
356 f.close()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
357
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
358 @property
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
359 def dry_run(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
360 return self._fileop.dry_run
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
361
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
362 @dry_run.setter
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
363 def dry_run(self, value):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
364 self._fileop.dry_run = value
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
365
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
366 if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'): # pragma: no cover
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
367 # Executable launcher support.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
368 # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
369
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
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370 def _get_launcher(self, kind):
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371 if struct.calcsize('P') == 8: # 64-bit
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372 bits = '64'
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373 else:
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374 bits = '32'
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375 name = '%s%s.exe' % (kind, bits)
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376 # Issue 31: don't hardcode an absolute package name, but
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377 # determine it relative to the current package
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378 distlib_package = __name__.rsplit('.', 1)[0]
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379 resource = finder(distlib_package).find(name)
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380 if not resource:
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381 msg = ('Unable to find resource %s in package %s' % (name,
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382 distlib_package))
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383 raise ValueError(msg)
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384 return resource.bytes
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385
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386 # Public API follows
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387
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388 def make(self, specification, options=None):
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389 """
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390 Make a script.
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391
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392 :param specification: The specification, which is either a valid export
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393 entry specification (to make a script from a
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394 callable) or a filename (to make a script by
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395 copying from a source location).
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396 :param options: A dictionary of options controlling script generation.
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397 :return: A list of all absolute pathnames written to.
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398 """
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399 filenames = []
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400 entry = get_export_entry(specification)
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401 if entry is None:
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402 self._copy_script(specification, filenames)
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403 else:
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404 self._make_script(entry, filenames, options=options)
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405 return filenames
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406
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407 def make_multiple(self, specifications, options=None):
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408 """
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409 Take a list of specifications and make scripts from them,
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410 :param specifications: A list of specifications.
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411 :return: A list of all absolute pathnames written to,
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412 """
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413 filenames = []
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414 for specification in specifications:
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415 filenames.extend(self.make(specification, options))
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416 return filenames