/
extract.ts
283 lines (275 loc) · 8.85 KB
/
extract.ts
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import upath from 'upath';
import { logger } from '../../../logger';
import { readLocalFile } from '../../../util/fs';
import { ensureLocalPath } from '../../../util/fs/util';
import { normalizeDepName } from '../../datasource/pypi/common';
import { extractPackageFile as extractRequirementsFile } from '../pip_requirements/extract';
import { extractPackageFile as extractSetupPyFile } from '../pip_setup';
import type {
ExtractConfig,
PackageDependency,
PackageFile,
PackageFileContent,
} from '../types';
import { extractHeaderCommand } from './common';
import type {
DependencyBetweenFiles,
PipCompileArgs,
SupportedManagers,
} from './types';
import {
generateMermaidGraph,
inferCommandExecDir,
sortPackageFiles,
} from './utils';
function matchManager(filename: string): SupportedManagers | 'unknown' {
if (filename.endsWith('setup.py')) {
return 'pip_setup';
}
if (filename.endsWith('setup.cfg')) {
return 'setup-cfg';
}
if (filename.endsWith('pyproject.toml')) {
return 'pep621';
}
// naive, could be improved, maybe use pip_requirements.fileMatch
if (filename.endsWith('.in')) {
return 'pip_requirements';
}
return 'unknown';
}
export function extractPackageFile(
content: string,
packageFile: string,
_config: ExtractConfig,
): PackageFileContent | null {
logger.trace('pip-compile.extractPackageFile()');
const manager = matchManager(packageFile);
switch (manager) {
case 'pip_setup':
return extractSetupPyFile(content, packageFile, _config);
case 'pip_requirements':
return extractRequirementsFile(content);
case 'unknown':
logger.warn(
{ packageFile },
`pip-compile: could not determine manager for source file`,
);
return null;
default:
logger.warn(
{ packageFile, manager },
`pip-compile: support for manager is not yet implemented`,
);
return null;
}
}
export async function extractAllPackageFiles(
config: ExtractConfig,
fileMatches: string[],
): Promise<PackageFile[] | null> {
logger.trace('pip-compile.extractAllPackageFiles()');
const lockFileArgs = new Map<string, PipCompileArgs>();
const depsBetweenFiles: DependencyBetweenFiles[] = [];
const packageFiles = new Map<string, PackageFile>();
const lockFileSources = new Map<string, PackageFile>();
for (const fileMatch of fileMatches) {
const fileContent = await readLocalFile(fileMatch, 'utf8');
if (!fileContent) {
logger.debug(`pip-compile: no content found for fileMatch ${fileMatch}`);
continue;
}
let compileArgs: PipCompileArgs;
let compileDir: string;
try {
compileArgs = extractHeaderCommand(fileContent, fileMatch);
compileDir = inferCommandExecDir(fileMatch, compileArgs.outputFile);
} catch (error) {
logger.warn({ fileMatch }, `pip-compile: ${error.message}`);
continue;
}
lockFileArgs.set(fileMatch, compileArgs);
for (const constraint in compileArgs.constraintsFiles) {
depsBetweenFiles.push({
sourceFile: constraint,
outputFile: fileMatch,
type: 'constraint',
});
}
const lockedDeps = extractRequirementsFile(fileContent)?.deps;
if (!lockedDeps) {
logger.debug(
{ fileMatch },
'pip-compile: Failed to extract dependencies from lock file',
);
continue;
}
for (const relativeSourceFile of compileArgs.sourceFiles) {
const packageFile = upath.normalizeTrim(
upath.join(compileDir, relativeSourceFile),
);
try {
ensureLocalPath(packageFile);
} catch (error) {
logger.warn(
{ fileMatch, packageFile },
'pip-compile: Source file path outside of repository',
);
continue;
}
depsBetweenFiles.push({
sourceFile: packageFile,
outputFile: fileMatch,
type: 'requirement',
});
if (fileMatches.includes(packageFile)) {
// TODO(not7cd): do something about it
logger.warn(
{ sourceFile: packageFile, lockFile: fileMatch },
'pip-compile: lock file acts as source file for another lock file',
);
continue;
}
if (packageFiles.has(packageFile)) {
logger.debug(
`pip-compile: ${packageFile} used in multiple output files`,
);
const existingPackageFile = packageFiles.get(packageFile)!;
existingPackageFile.lockFiles!.push(fileMatch);
extendWithIndirectDeps(existingPackageFile, lockedDeps);
lockFileSources.set(fileMatch, existingPackageFile);
continue;
}
const content = await readLocalFile(packageFile, 'utf8');
if (!content) {
logger.debug(`pip-compile: No content for source file ${packageFile}`);
continue;
}
const packageFileContent = extractPackageFile(
content,
packageFile,
config,
);
if (packageFileContent) {
if (packageFileContent.managerData?.requirementsFiles) {
for (const file of packageFileContent.managerData.requirementsFiles) {
depsBetweenFiles.push({
sourceFile: file,
outputFile: packageFile,
type: 'requirement',
});
}
}
if (packageFileContent.managerData?.constraintsFiles) {
for (const file of packageFileContent.managerData.constraintsFiles) {
depsBetweenFiles.push({
sourceFile: file,
outputFile: packageFile,
type: 'requirement',
});
}
}
for (const dep of packageFileContent.deps) {
const lockedVersion = lockedDeps?.find(
(lockedDep) =>
normalizeDepName(lockedDep.depName!) ===
normalizeDepName(dep.depName!),
)?.currentVersion;
if (lockedVersion) {
dep.lockedVersion = lockedVersion;
} else {
logger.warn(
{ depName: dep.depName, lockFile: fileMatch },
'pip-compile: dependency not found in lock file',
);
}
}
extendWithIndirectDeps(packageFileContent, lockedDeps);
const newPackageFile: PackageFile = {
...packageFileContent,
lockFiles: [fileMatch],
packageFile,
};
packageFiles.set(packageFile, newPackageFile);
lockFileSources.set(fileMatch, newPackageFile);
} else {
logger.warn(
{ packageFile },
'pip-compile: failed to find dependencies in source file',
);
}
}
}
if (packageFiles.size === 0) {
return null;
}
const result: PackageFile[] = sortPackageFiles(
depsBetweenFiles,
packageFiles,
);
// This needs to go in reverse order to handle transitive dependencies
for (const packageFile of [...result].reverse()) {
for (const reqFile of packageFile.managerData?.requirementsFiles ?? []) {
let sourceFile: PackageFile | undefined = undefined;
if (fileMatches.includes(reqFile)) {
sourceFile = lockFileSources.get(reqFile);
} else if (packageFiles.has(reqFile)) {
sourceFile = packageFiles.get(reqFile);
}
if (!sourceFile) {
logger.warn(
`pip-compile: ${packageFile.packageFile} references ${reqFile} which does not appear to be a requirements file managed by pip-compile`,
);
continue;
}
sourceFile.lockFiles!.push(...packageFile.lockFiles!);
}
}
logger.debug(
'pip-compile: dependency graph:\n' +
generateMermaidGraph(depsBetweenFiles, lockFileArgs),
);
return result;
}
function extendWithIndirectDeps(
packageFileContent: PackageFileContent,
lockedDeps: PackageDependency[],
): void {
for (const lockedDep of lockedDeps) {
if (
!packageFileContent.deps.find(
(dep) =>
normalizeDepName(lockedDep.depName!) ===
normalizeDepName(dep.depName!),
)
) {
packageFileContent.deps.push(indirectDep(lockedDep));
}
}
}
/**
* As indirect dependecies don't exist in the package file, we need to
* create them from the lock file.
*
* By removing currentValue and currentVersion, we ensure that they
* are handled like unconstrained dependencies with locked version.
* Such packages are updated when their update strategy
* is set to 'update-lockfile',
* see: lib/workers/repository/process/lookup/index.ts.
*
* By disabling them by default, we won't create noise by updating them.
* Unless they have vulnerability alert, then they are forced to be updated.
* @param dep dependency extracted from lock file (requirements.txt)
* @returns unconstrained dependency with locked version
*/
function indirectDep(dep: PackageDependency): PackageDependency {
const result = {
...dep,
lockedVersion: dep.currentVersion,
depType: 'indirect',
enabled: false,
};
delete result.currentValue;
delete result.currentVersion;
return result;
}