Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/galaxy/tool_util/deps/resolvers/conda.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 """ |
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2 This is still an experimental module and there will almost certainly be backward |
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3 incompatible changes coming. |
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4 """ |
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5 |
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6 import logging |
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7 import os |
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8 import re |
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9 |
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10 import galaxy.tool_util.deps.installable |
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11 import galaxy.tool_util.deps.requirements |
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12 from . import ( |
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13 Dependency, |
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14 DependencyException, |
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15 DependencyResolver, |
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16 ListableDependencyResolver, |
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17 MappableDependencyResolver, |
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18 MultipleDependencyResolver, |
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19 NullDependency, |
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20 SpecificationPatternDependencyResolver, |
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21 ) |
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22 from ..conda_util import ( |
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23 build_isolated_environment, |
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24 cleanup_failed_install, |
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25 cleanup_failed_install_of_environment, |
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26 CondaContext, |
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27 CondaTarget, |
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28 hash_conda_packages, |
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29 install_conda, |
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30 install_conda_target, |
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31 install_conda_targets, |
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32 installed_conda_targets, |
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33 is_conda_target_installed, |
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34 USE_PATH_EXEC_DEFAULT, |
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35 ) |
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36 |
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37 |
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38 DEFAULT_BASE_PATH_DIRECTORY = "_conda" |
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39 DEFAULT_CONDARC_OVERRIDE = "_condarc" |
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40 # Conda channel order from highest to lowest, following the one used in |
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41 # https://github.com/bioconda/bioconda-recipes/blob/master/config.yml |
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42 DEFAULT_ENSURE_CHANNELS = "conda-forge,bioconda,defaults" |
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43 CONDA_SOURCE_CMD = """[ "$(basename "$CONDA_DEFAULT_ENV")" = "$(basename '{environment_path}')" ] || {{ |
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44 MAX_TRIES=3 |
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45 COUNT=0 |
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46 while [ $COUNT -lt $MAX_TRIES ]; do |
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47 . '{activate_path}' '{environment_path}' > conda_activate.log 2>&1 |
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48 if [ $? -eq 0 ];then |
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49 break |
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50 else |
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51 let COUNT=COUNT+1 |
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52 if [ $COUNT -eq $MAX_TRIES ];then |
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53 echo "Failed to activate conda environment! Error was:" |
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54 cat conda_activate.log |
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55 exit 1 |
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56 fi |
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57 sleep 10s |
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58 fi |
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59 done |
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60 }} """ |
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61 |
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62 |
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63 log = logging.getLogger(__name__) |
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64 |
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65 |
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66 class CondaDependencyResolver(DependencyResolver, MultipleDependencyResolver, ListableDependencyResolver, SpecificationPatternDependencyResolver, MappableDependencyResolver): |
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67 dict_collection_visible_keys = DependencyResolver.dict_collection_visible_keys + ['prefix', 'versionless', 'ensure_channels', 'auto_install', 'auto_init', 'use_local'] |
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68 resolver_type = "conda" |
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69 config_options = { |
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70 'prefix': None, |
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71 'exec': None, |
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72 'debug': None, |
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73 'ensure_channels': DEFAULT_ENSURE_CHANNELS, |
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74 'auto_install': False, |
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75 'auto_init': True, |
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76 'copy_dependencies': False, |
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77 'use_local': False, |
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78 } |
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79 _specification_pattern = re.compile(r"https\:\/\/anaconda.org\/\w+\/\w+") |
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80 |
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81 def __init__(self, dependency_manager, **kwds): |
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82 read_only = _string_as_bool(kwds.get('read_only', 'false')) |
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83 self.read_only = read_only |
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84 self._setup_mapping(dependency_manager, **kwds) |
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85 self.versionless = _string_as_bool(kwds.get('versionless', 'false')) |
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86 self.dependency_manager = dependency_manager |
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87 |
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88 def get_option(name): |
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89 return dependency_manager.get_resolver_option(self, name, explicit_resolver_options=kwds) |
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90 |
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91 # Conda context options (these define the environment) |
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92 conda_prefix = get_option("prefix") |
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93 if conda_prefix is None: |
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94 conda_prefix = os.path.join( |
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95 dependency_manager.default_base_path, DEFAULT_BASE_PATH_DIRECTORY |
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96 ) |
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97 conda_prefix = os.path.abspath(conda_prefix) |
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98 |
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99 self.conda_prefix_parent = os.path.dirname(conda_prefix) |
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100 |
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101 condarc_override = get_option("condarc_override") |
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102 if condarc_override is None: |
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103 condarc_override = os.path.join( |
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104 dependency_manager.default_base_path, DEFAULT_CONDARC_OVERRIDE |
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105 ) |
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106 |
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107 copy_dependencies = _string_as_bool(get_option("copy_dependencies")) |
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108 use_local = _string_as_bool(get_option("use_local")) |
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109 conda_exec = get_option("exec") |
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110 debug = _string_as_bool(get_option("debug")) |
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111 ensure_channels = get_option("ensure_channels") |
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112 use_path_exec = get_option("use_path_exec") |
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113 if use_path_exec is None: |
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114 use_path_exec = USE_PATH_EXEC_DEFAULT |
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115 else: |
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116 use_path_exec = _string_as_bool(use_path_exec) |
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117 if ensure_channels is None: |
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118 ensure_channels = DEFAULT_ENSURE_CHANNELS |
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119 |
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120 conda_context = CondaContext( |
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121 conda_prefix=conda_prefix, |
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122 conda_exec=conda_exec, |
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123 debug=debug, |
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124 ensure_channels=ensure_channels, |
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125 condarc_override=condarc_override, |
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126 use_path_exec=use_path_exec, |
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127 copy_dependencies=copy_dependencies, |
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128 use_local=use_local, |
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129 ) |
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130 self.use_local = use_local |
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131 self.ensure_channels = ensure_channels |
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132 |
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133 # Conda operations options (these define how resolution will occur) |
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134 auto_install = _string_as_bool(get_option("auto_install")) |
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135 self.auto_init = _string_as_bool(get_option("auto_init")) |
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136 self.conda_context = conda_context |
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137 self.disabled = not galaxy.tool_util.deps.installable.ensure_installed(conda_context, install_conda, self.auto_init) |
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138 if self.auto_init and not self.disabled: |
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139 self.conda_context.ensure_conda_build_installed_if_needed() |
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140 self.auto_install = auto_install |
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141 self.copy_dependencies = copy_dependencies |
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142 |
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143 def clean(self, **kwds): |
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144 return self.conda_context.exec_clean() |
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145 |
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146 def uninstall(self, requirements): |
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147 """Uninstall requirements installed by install_all or multiple install statements.""" |
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148 all_resolved = [r for r in self.resolve_all(requirements) if r.dependency_type] |
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149 if not all_resolved: |
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150 all_resolved = [self.resolve(requirement) for requirement in requirements] |
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151 all_resolved = [r for r in all_resolved if r.dependency_type] |
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152 if not all_resolved: |
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153 return None |
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154 environments = {os.path.basename(dependency.environment_path) for dependency in all_resolved} |
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155 return self.uninstall_environments(environments) |
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156 |
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157 def uninstall_environments(self, environments): |
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158 environments = [env if not env.startswith(self.conda_context.envs_path) else os.path.basename(env) for env in environments] |
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159 return_codes = [self.conda_context.exec_remove([env]) for env in environments] |
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160 final_return_code = 0 |
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161 for env, return_code in zip(environments, return_codes): |
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162 if return_code == 0: |
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163 log.debug("Conda environment '%s' successfully removed." % env) |
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164 else: |
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165 log.debug("Conda environment '%s' could not be removed." % env) |
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166 final_return_code = return_code |
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167 return final_return_code |
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168 |
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169 def install_all(self, conda_targets): |
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170 if self.read_only: |
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171 return False |
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172 |
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173 env = self.merged_environment_name(conda_targets) |
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174 return_code = install_conda_targets(conda_targets, conda_context=self.conda_context, env_name=env) |
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175 if return_code != 0: |
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176 is_installed = False |
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177 else: |
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178 # Recheck if installed |
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179 is_installed = self.conda_context.has_env(env) |
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180 |
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181 if not is_installed: |
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182 log.debug("Removing failed conda install of {}".format(str(conda_targets))) |
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183 cleanup_failed_install_of_environment(env, conda_context=self.conda_context) |
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184 |
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185 return is_installed |
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186 |
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187 def resolve_all(self, requirements, **kwds): |
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188 """ |
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189 Some combinations of tool requirements need to be resolved all at once, so that Conda can select a compatible |
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190 combination of dependencies. This method returns a list of MergedCondaDependency instances (one for each requirement) |
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191 if all requirements have been successfully resolved, or an empty list if any of the requirements could not be resolved. |
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192 |
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193 Parameters specific to this resolver are: |
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194 |
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195 preserve_python_environment: Boolean, controls whether the python environment should be maintained during job creation for tools |
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196 that rely on galaxy being importable. |
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197 |
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198 install: Controls if `requirements` should be installed. If `install` is True and the requirements are not installed |
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199 an attempt is made to install the requirements. If `install` is None requirements will only be installed if |
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200 `conda_auto_install` has been activated and the requirements are not yet installed. If `install` is |
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201 False will not install requirements. |
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202 """ |
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203 if len(requirements) == 0: |
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204 return [] |
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205 |
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206 if not os.path.isdir(self.conda_context.conda_prefix): |
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207 return [] |
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208 |
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209 for requirement in requirements: |
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210 if requirement.type != "package": |
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211 return [] |
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212 |
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213 ToolRequirements = galaxy.tool_util.deps.requirements.ToolRequirements |
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214 expanded_requirements = ToolRequirements([self._expand_requirement(r) for r in requirements]) |
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215 if self.versionless: |
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216 conda_targets = [CondaTarget(r.name, version=None) for r in expanded_requirements] |
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217 else: |
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218 conda_targets = [CondaTarget(r.name, version=r.version) for r in expanded_requirements] |
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219 |
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220 preserve_python_environment = kwds.get("preserve_python_environment", False) |
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221 |
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222 env = self.merged_environment_name(conda_targets) |
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223 dependencies = [] |
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224 |
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225 is_installed = self.conda_context.has_env(env) |
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226 install = kwds.get('install', None) |
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227 if install is None: |
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228 # Default behavior, install dependencies if conda_auto_install is active. |
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229 install = not is_installed and self.auto_install |
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230 elif install: |
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231 # Install has been set to True, install if not yet installed. |
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232 install = not is_installed |
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233 if install: |
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234 is_installed = self.install_all(conda_targets) |
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235 |
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236 if is_installed: |
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237 for requirement in requirements: |
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238 dependency = MergedCondaDependency( |
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239 self.conda_context, |
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240 self.conda_context.env_path(env), |
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241 exact=not self.versionless or requirement.version is None, |
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242 name=requirement.name, |
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243 version=requirement.version, |
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244 preserve_python_environment=preserve_python_environment, |
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245 dependency_resolver=self, |
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246 ) |
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247 dependencies.append(dependency) |
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248 |
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249 return dependencies |
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250 |
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251 def merged_environment_name(self, conda_targets): |
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252 if len(conda_targets) > 1: |
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253 # For continuity with mulled containers this is kind of nice. |
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254 return "mulled-v1-%s" % hash_conda_packages(conda_targets) |
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255 else: |
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256 assert len(conda_targets) == 1 |
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257 return conda_targets[0].install_environment |
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258 |
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259 def resolve(self, requirement, **kwds): |
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260 requirement = self._expand_requirement(requirement) |
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261 name, version, type = requirement.name, requirement.version, requirement.type |
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262 |
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263 # Check for conda just not being there, this way we can enable |
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264 # conda by default and just do nothing in not configured. |
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265 if not os.path.isdir(self.conda_context.conda_prefix): |
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266 return NullDependency(version=version, name=name) |
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267 |
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268 if type != "package": |
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269 return NullDependency(version=version, name=name) |
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270 |
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271 exact = not self.versionless or version is None |
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272 if self.versionless: |
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273 version = None |
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274 |
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275 conda_target = CondaTarget(name, version=version) |
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276 is_installed = is_conda_target_installed( |
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277 conda_target, conda_context=self.conda_context |
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278 ) |
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279 |
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280 preserve_python_environment = kwds.get("preserve_python_environment", False) |
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281 |
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282 job_directory = kwds.get("job_directory", None) |
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283 install = kwds.get('install', None) |
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284 if install is None: |
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285 install = not is_installed and self.auto_install |
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286 elif install: |
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287 install = not is_installed |
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288 if install: |
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289 is_installed = self.install_dependency(name=name, version=version, type=type) |
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290 |
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291 if not is_installed: |
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292 return NullDependency(version=version, name=name) |
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293 |
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294 # Have installed conda_target and job_directory to send it to. |
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295 # If dependency is for metadata generation, store environment in conda-metadata-env |
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296 if kwds.get("metadata", False): |
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297 conda_env = "conda-metadata-env" |
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298 else: |
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299 conda_env = "conda-env" |
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300 |
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301 if job_directory: |
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302 conda_environment = os.path.join(job_directory, conda_env) |
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303 else: |
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304 conda_environment = self.conda_context.env_path(conda_target.install_environment) |
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305 |
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306 return CondaDependency( |
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307 self.conda_context, |
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308 conda_environment, |
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309 exact, |
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310 name, |
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311 version, |
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312 preserve_python_environment=preserve_python_environment, |
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313 ) |
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314 |
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315 def _expand_requirement(self, requirement): |
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316 return self._expand_specs(self._expand_mappings(requirement)) |
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317 |
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318 def unused_dependency_paths(self, toolbox_requirements_status): |
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319 """ |
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320 Identify all local environments that are not needed to build requirements_status. |
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321 |
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322 We try to resolve the requirements, and we note every environment_path that has been taken. |
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323 """ |
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324 used_paths = set() |
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325 for dependencies in toolbox_requirements_status.values(): |
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326 for dependency in dependencies: |
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327 if dependency.get('dependency_type') == 'conda': |
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328 path = os.path.basename(dependency['environment_path']) |
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329 used_paths.add(path) |
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330 dir_contents = set(os.listdir(self.conda_context.envs_path) if os.path.exists(self.conda_context.envs_path) else []) |
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331 unused_paths = dir_contents.difference(used_paths) # New set with paths in dir_contents but not in used_paths |
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332 unused_paths = [os.path.join(self.conda_context.envs_path, p) for p in unused_paths] |
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333 return unused_paths |
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334 |
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335 def list_dependencies(self): |
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336 for install_target in installed_conda_targets(self.conda_context): |
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337 name = install_target.package |
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338 version = install_target.version |
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339 yield self._to_requirement(name, version) |
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340 |
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341 def _install_dependency(self, name, version, type, **kwds): |
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342 "Returns True on (seemingly) successfull installation" |
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343 # should be checked before called |
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344 assert not self.read_only |
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345 |
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346 if type != "package": |
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347 log.warning("Cannot install dependencies of type '%s'" % type) |
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348 return False |
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349 |
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350 if self.versionless: |
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351 version = None |
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352 |
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353 conda_target = CondaTarget(name, version=version) |
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354 |
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355 is_installed = is_conda_target_installed( |
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356 conda_target, conda_context=self.conda_context |
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357 ) |
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358 |
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359 if is_installed: |
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360 return is_installed |
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361 |
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362 return_code = install_conda_target(conda_target, conda_context=self.conda_context) |
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363 if return_code != 0: |
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364 is_installed = False |
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365 else: |
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366 # Recheck if installed |
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367 is_installed = is_conda_target_installed( |
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368 conda_target, conda_context=self.conda_context |
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369 ) |
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370 if not is_installed: |
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371 log.debug(f"Removing failed conda install of {name}, version '{version}'") |
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372 cleanup_failed_install(conda_target, conda_context=self.conda_context) |
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373 |
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374 return is_installed |
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375 |
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376 @property |
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377 def prefix(self): |
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378 return self.conda_context.conda_prefix |
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379 |
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380 |
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381 class MergedCondaDependency(Dependency): |
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382 dict_collection_visible_keys = Dependency.dict_collection_visible_keys + ['environment_path', 'name', 'version', 'dependency_resolver'] |
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383 dependency_type = 'conda' |
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384 |
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385 def __init__(self, conda_context, environment_path, exact, name=None, version=None, preserve_python_environment=False, dependency_resolver=None): |
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386 self.activate = conda_context.activate |
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387 self.conda_context = conda_context |
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388 self.environment_path = environment_path |
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389 self._exact = exact |
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390 self._name = name |
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391 self._version = version |
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392 self.cache_path = None |
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393 self._preserve_python_environment = preserve_python_environment |
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394 self.dependency_resolver = dependency_resolver |
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395 |
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396 @property |
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397 def exact(self): |
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398 return self._exact |
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399 |
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400 @property |
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401 def name(self): |
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402 return self._name |
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403 |
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404 @property |
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405 def version(self): |
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406 return self._version |
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407 |
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408 def shell_commands(self): |
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409 if self._preserve_python_environment: |
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410 # On explicit testing the only such requirement I am aware of is samtools - and it seems to work |
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411 # fine with just appending the PATH as done below. Other tools may require additional |
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412 # variables in the future. |
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413 return """export PATH=$PATH:'{}/bin' """.format( |
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414 self.environment_path, |
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415 ) |
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416 else: |
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417 return CONDA_SOURCE_CMD.format( |
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418 activate_path=self.activate, |
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419 environment_path=self.environment_path |
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420 ) |
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421 |
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422 |
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423 class CondaDependency(Dependency): |
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424 dict_collection_visible_keys = Dependency.dict_collection_visible_keys + ['environment_path', 'name', 'version', 'dependency_resolver'] |
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425 dependency_type = 'conda' |
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426 cacheable = True |
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427 |
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428 def __init__(self, conda_context, environment_path, exact, name=None, version=None, preserve_python_environment=False, dependency_resolver=None): |
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429 self.activate = conda_context.activate |
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430 self.conda_context = conda_context |
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431 self.environment_path = environment_path |
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432 self._exact = exact |
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433 self._name = name |
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434 self._version = version |
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435 self.cache_path = None |
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436 self._preserve_python_environment = preserve_python_environment |
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437 self.dependency_resolver = dependency_resolver |
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438 |
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439 @property |
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440 def exact(self): |
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441 return self._exact |
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442 |
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443 @property |
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444 def name(self): |
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445 return self._name |
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446 |
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447 @property |
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448 def version(self): |
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449 return self._version |
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450 |
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451 def build_cache(self, cache_path): |
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452 self.set_cache_path(cache_path) |
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453 self.build_environment() |
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454 |
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455 def set_cache_path(self, cache_path): |
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456 self.cache_path = cache_path |
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457 self.environment_path = cache_path |
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458 |
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459 def build_environment(self): |
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460 env_path, exit_code = build_isolated_environment( |
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461 CondaTarget(self.name, self.version), |
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462 conda_context=self.conda_context, |
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463 path=self.environment_path, |
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464 copy=self.conda_context.copy_dependencies, |
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465 ) |
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466 if exit_code: |
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467 if len(os.path.abspath(self.environment_path)) > 79: |
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468 # TODO: remove this once conda_build version 2 is released and packages have been rebuilt. |
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469 raise DependencyException("Conda dependency failed to build job environment. " |
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470 "This is most likely a limitation in conda. " |
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471 "You can try to shorten the path to the job_working_directory.") |
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472 raise DependencyException("Conda dependency seemingly installed but failed to build job environment.") |
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473 |
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474 def shell_commands(self): |
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475 if not self.cache_path: |
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476 # Build an isolated environment if not using a cached dependency manager |
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477 self.build_environment() |
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478 if self._preserve_python_environment: |
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479 # On explicit testing the only such requirement I am aware of is samtools - and it seems to work |
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480 # fine with just appending the PATH as done below. Other tools may require additional |
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481 # variables in the future. |
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482 return """export PATH=$PATH:'{}/bin' """.format( |
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483 self.environment_path, |
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484 ) |
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485 else: |
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486 return CONDA_SOURCE_CMD.format( |
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487 activate_path=self.activate, |
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488 environment_path=self.environment_path |
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489 ) |
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490 |
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491 |
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492 def _string_as_bool(value): |
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493 return str(value).lower() == "true" |
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494 |
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495 |
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496 __all__ = ('CondaDependencyResolver', 'DEFAULT_ENSURE_CHANNELS') |