Examples with EvalException com.google.devtools.build.lib.syntax.EvalException used on opensource projects

Example 16 with EvalException

use of com.google.devtools.build.lib.syntax.EvalException in project bazel by bazelbuild.

the class PyCommon method getTransitivePythonSourcesFromSkylarkProvider.

private NestedSet<Artifact> getTransitivePythonSourcesFromSkylarkProvider(TransitiveInfoCollection dep) {
    SkylarkClassObject pythonSkylarkProvider = null;
    SkylarkProviders skylarkProviders = dep.getProvider(SkylarkProviders.class);
    try {
        if (skylarkProviders != null) {
            pythonSkylarkProvider = skylarkProviders.getValue(PYTHON_SKYLARK_PROVIDER_NAME, SkylarkClassObject.class);
        }
        if (pythonSkylarkProvider != null) {
            Object sourceFiles = pythonSkylarkProvider.getValue(TRANSITIVE_PYTHON_SRCS);
            String errorType;
            if (sourceFiles == null) {
                errorType = "null";
            } else {
                errorType = EvalUtils.getDataTypeNameFromClass(sourceFiles.getClass());
            }
            String errorMsg = "Illegal Argument: attribute '%s' in provider '%s' is " + "of unexpected type. Should be a set, but got a '%s'";
            NestedSet<Artifact> pythonSourceFiles = SkylarkType.cast(sourceFiles, SkylarkNestedSet.class, Artifact.class, null, errorMsg, TRANSITIVE_PYTHON_SRCS, PYTHON_SKYLARK_PROVIDER_NAME, errorType).getSet(Artifact.class);
            return pythonSourceFiles;
        }
    } catch (EvalException e) {
        ruleContext.ruleError(e.getMessage());
    }
    return null;
}

Example 17 with EvalException

use of com.google.devtools.build.lib.syntax.EvalException in project bazel by bazelbuild.

the class GitCloner method clone.

public static SkyValue clone(Rule rule, Path outputDirectory, ExtendedEventHandler eventHandler, Map<String, String> clientEnvironment) throws RepositoryFunctionException {
    WorkspaceAttributeMapper mapper = WorkspaceAttributeMapper.of(rule);
    if (mapper.isAttributeValueExplicitlySpecified("commit") == mapper.isAttributeValueExplicitlySpecified("tag")) {
        throw new RepositoryFunctionException(new EvalException(rule.getLocation(), "One of either commit or tag must be defined"), Transience.PERSISTENT);
    }
    GitRepositoryDescriptor descriptor;
    String startingPoint;
    try {
        if (mapper.isAttributeValueExplicitlySpecified("commit")) {
            startingPoint = mapper.get("commit", Type.STRING);
        } else {
            startingPoint = "tags/" + mapper.get("tag", Type.STRING);
        }
        descriptor = new GitRepositoryDescriptor(mapper.get("remote", Type.STRING), startingPoint, mapper.get("init_submodules", Type.BOOLEAN), outputDirectory);
    } catch (EvalException e) {
        throw new RepositoryFunctionException(e, Transience.PERSISTENT);
    }
    // Setup proxy if remote is http or https
    if (descriptor.remote != null && Ascii.toLowerCase(descriptor.remote).startsWith("http")) {
        try {
            new ProxyHelper(clientEnvironment).createProxyIfNeeded(new URL(descriptor.remote));
        } catch (IOException ie) {
            throw new RepositoryFunctionException(ie, Transience.TRANSIENT);
        }
    }
    Git git = null;
    try {
        if (descriptor.directory.exists()) {
            if (isUpToDate(descriptor)) {
                return new HttpDownloadValue(descriptor.directory);
            }
            try {
                FileSystemUtils.deleteTree(descriptor.directory);
            } catch (IOException e) {
                throw new RepositoryFunctionException(e, Transience.TRANSIENT);
            }
        }
        git = Git.cloneRepository().setURI(descriptor.remote).setCredentialsProvider(new NetRCCredentialsProvider()).setDirectory(descriptor.directory.getPathFile()).setCloneSubmodules(false).setNoCheckout(true).setProgressMonitor(new GitProgressMonitor(descriptor.remote, "Cloning " + descriptor.remote, eventHandler)).call();
        git.checkout().setCreateBranch(true).setName("bazel-checkout").setStartPoint(descriptor.checkout).call();
        // the first level.
        if (descriptor.initSubmodules && !git.submoduleInit().call().isEmpty()) {
            git.submoduleUpdate().setProgressMonitor(new GitProgressMonitor(descriptor.remote, "Cloning submodules for " + descriptor.remote, eventHandler)).call();
        }
    } catch (InvalidRemoteException e) {
        throw new RepositoryFunctionException(new IOException("Invalid Git repository URI: " + e.getMessage()), Transience.PERSISTENT);
    } catch (RefNotFoundException | InvalidRefNameException e) {
        throw new RepositoryFunctionException(new IOException("Invalid branch, tag, or commit: " + e.getMessage()), Transience.PERSISTENT);
    } catch (GitAPIException e) {
        // This is a sad attempt to actually get a useful error message out of jGit, which will bury
        // the actual (useful) cause of the exception under several throws.
        StringBuilder errmsg = new StringBuilder();
        errmsg.append(e.getMessage());
        Throwable throwable = e;
        while (throwable.getCause() != null) {
            throwable = throwable.getCause();
            errmsg.append(" caused by " + throwable.getMessage());
        }
        throw new RepositoryFunctionException(new IOException("Error cloning repository: " + errmsg), Transience.PERSISTENT);
    } catch (JGitInternalException e) {
        // caller of the command can handle them effectively." Thanks, jgit.
        throw new RepositoryFunctionException(new IOException(e.getMessage()), Transience.PERSISTENT);
    } finally {
        if (git != null) {
            git.close();
        }
    }
    return new HttpDownloadValue(descriptor.directory);
}

Example 18 with EvalException

use of com.google.devtools.build.lib.syntax.EvalException in project bazel by bazelbuild.

the class NewHttpArchiveFunction method fetch.

@Nullable
@Override
public RepositoryDirectoryValue.Builder fetch(Rule rule, Path outputDirectory, BlazeDirectories directories, Environment env, Map<String, String> markerData) throws RepositoryFunctionException, InterruptedException {
    NewRepositoryBuildFileHandler buildFileHandler = new NewRepositoryBuildFileHandler(directories.getWorkspace());
    if (!buildFileHandler.prepareBuildFile(rule, env)) {
        return null;
    }
    try {
        FileSystemUtils.createDirectoryAndParents(outputDirectory);
    } catch (IOException e) {
        throw new RepositoryFunctionException(new IOException("Could not create directory for " + rule.getName() + ": " + e.getMessage()), Transience.TRANSIENT);
    }
    // Download.
    Path downloadedPath = downloader.download(rule, outputDirectory, env.getListener(), clientEnvironment);
    // Decompress.
    Path decompressed;
    WorkspaceAttributeMapper mapper = WorkspaceAttributeMapper.of(rule);
    String prefix = null;
    if (mapper.isAttributeValueExplicitlySpecified("strip_prefix")) {
        try {
            prefix = mapper.get("strip_prefix", Type.STRING);
        } catch (EvalException e) {
            throw new RepositoryFunctionException(e, Transience.PERSISTENT);
        }
    }
    decompressed = DecompressorValue.decompress(DecompressorDescriptor.builder().setTargetKind(rule.getTargetKind()).setTargetName(rule.getName()).setArchivePath(downloadedPath).setRepositoryPath(outputDirectory).setPrefix(prefix).build());
    // Finally, write WORKSPACE and BUILD files.
    createWorkspaceFile(decompressed, rule.getTargetKind(), rule.getName());
    buildFileHandler.finishBuildFile(outputDirectory);
    return RepositoryDirectoryValue.builder().setPath(outputDirectory);
}

Example 19 with EvalException

use of com.google.devtools.build.lib.syntax.EvalException in project bazel by bazelbuild.

the class RuleConfiguredTargetBuilder method addSkylarkDeclaredProvider.

/**
   * Adds a "declared provider" defined in Skylark to the rule.
   * Use this method for declared providers defined in Skyark.
   *
   * Use {@link #addNativeDeclaredProvider(SkylarkClassObject)} in definitions of
   * native rules.
   */
public RuleConfiguredTargetBuilder addSkylarkDeclaredProvider(SkylarkClassObject provider, Location loc) throws EvalException {
    ClassObjectConstructor constructor = provider.getConstructor();
    SkylarkProviderValidationUtil.validateAndThrowEvalException(constructor.getPrintableName(), provider, loc);
    if (!constructor.isExported()) {
        throw new EvalException(constructor.getLocation(), "All providers must be top level values");
    }
    skylarkDeclaredProviders.put(constructor.getKey(), provider);
    return this;
}

Example 20 with EvalException

use of com.google.devtools.build.lib.syntax.EvalException in project bazel by bazelbuild.

the class SkylarkRepositoryContext method getPathFromLabel.

// Resolve the label given by value into a file path.
private SkylarkPath getPathFromLabel(Label label) throws EvalException, InterruptedException {
    RootedPath rootedPath = getRootedPathFromLabel(label, env);
    SkyKey fileSkyKey = FileValue.key(rootedPath);
    FileValue fileValue = null;
    try {
        fileValue = (FileValue) env.getValueOrThrow(fileSkyKey, IOException.class, FileSymlinkException.class, InconsistentFilesystemException.class);
    } catch (IOException | FileSymlinkException | InconsistentFilesystemException e) {
        throw new EvalException(Location.BUILTIN, e);
    }
    if (fileValue == null) {
        throw SkylarkRepositoryFunction.restart();
    }
    if (!fileValue.isFile()) {
        throw new EvalException(Location.BUILTIN, "Not a file: " + rootedPath.asPath().getPathString());
    }
    // A label do not contains space so it safe to use as a key.
    markerData.put("FILE:" + label, Integer.toString(fileValue.realFileStateValue().hashCode()));
    return new SkylarkPath(rootedPath.asPath());
}