Go
1.26.2 248 modules in 14 categories
Data Encoding & CompressionI/O & Text ProcessingMath & TimeContainerSystem & OSCryptographyData & ConfigurationDevelopment ToolsApplicationWeb & NetworkingIndexStructsUnicodeWeak
Go
1.26.2Data Encoding & Compression 30
tar Package archive/tar stable zip Package archive/zip stable bzip2 Package compress/bzip2 stable flate Package compress/flate stable gzip Package compress/gzip stable lzw Package compress/lzw stable zlib Package compress/zlib stable encoding Package encoding stable ascii85 Package encoding/ascii85 stable asn1 Package encoding/asn1 stable base32 Package encoding/base32 stable base64 Package encoding/base64 stable binary Package encoding/binary stable csv Package encoding/csv stable gob Package encoding/gob stable hex Package encoding/hex stable json Package encoding/json stable pem Package encoding/pem stable xml Package encoding/xml stable image Package image stable color Package image/color stable color/palette Package image/color/palette stable draw Package image/draw stable gif Package image/gif stable internal/imageutil Package image/internal/imageutil stable jpeg Package image/jpeg stable png Package image/png stable mime Package mime stable multipart Package mime/multipart stable quotedprintable Package mime/quotedprintable stable
I/O & Text Processing 12
bufio Package bufio stable bytes Package bytes stable fmt Package fmt stable io Package io stable fs Package io/fs stable ioutil Package io/ioutil stable strconv Package strconv stable strings Package strings stable scanner Package text/scanner stable tabwriter Package text/tabwriter stable template Package text/template stable template/parse Package text/template/parse stable
Math & Time 11
cmp Package cmp stable iter Package iter stable math Package math stable big Package math/big stable big/internal/asmgen Package math/big/internal/asmgen stable bits Package math/bits stable cmplx Package math/cmplx stable rand Package math/rand stable rand/v2 Package math/rand/v2 stable time Package time stable tzdata Package time/tzdata stable
Container 3
System & OS 11
context Package context stable os Package os stable exec Package os/exec stable exec/internal/fdtest Package os/exec/internal/fdtest stable signal Package os/signal stable user Package os/user stable plugin Package plugin stable sync Package sync stable atomic Package sync/atomic stable syscall Package syscall stable unsafe Package unsafe stable
Cryptography 85
crypto Package crypto stable aes Package crypto/aes stable cipher Package crypto/cipher stable des Package crypto/des stable dsa Package crypto/dsa stable ecdh Package crypto/ecdh stable ecdsa Package crypto/ecdsa stable ed25519 Package crypto/ed25519 stable elliptic Package crypto/elliptic stable fips140 Package crypto/fips140 stable hkdf Package crypto/hkdf stable hmac Package crypto/hmac stable hpke Package crypto/hpke stable internal/boring Package crypto/internal/boring stable internal/boring/bbig Package crypto/internal/boring/bbig stable internal/boring/bcache Package crypto/internal/boring/bcache stable internal/boring/sig Package crypto/internal/boring/sig stable internal/constanttime Package crypto/internal/constanttime stable internal/cryptotest Package crypto/internal/cryptotest stable internal/entropy Package crypto/internal/entropy stable internal/entropy/v1.0.0 Package crypto/internal/entropy/v1.0.0 stable internal/fips140 Package crypto/internal/fips140 stable internal/fips140/aes Package crypto/internal/fips140/aes stable internal/fips140/aes/gcm Package crypto/internal/fips140/aes/gcm stable internal/fips140/alias Package crypto/internal/fips140/alias stable internal/fips140/bigmod Package crypto/internal/fips140/bigmod stable internal/fips140/check Package crypto/internal/fips140/check stable internal/fips140/check/checktest Package crypto/internal/fips140/check/checktest stable internal/fips140/drbg Package crypto/internal/fips140/drbg stable internal/fips140/ecdh Package crypto/internal/fips140/ecdh stable internal/fips140/ecdsa Package crypto/internal/fips140/ecdsa stable internal/fips140/ed25519 Package crypto/internal/fips140/ed25519 stable internal/fips140/edwards25519 Package crypto/internal/fips140/edwards25519 stable internal/fips140/edwards25519/field Package crypto/internal/fips140/edwards25519/field stable internal/fips140/hkdf Package crypto/internal/fips140/hkdf stable internal/fips140/hmac Package crypto/internal/fips140/hmac stable internal/fips140/mldsa Package crypto/internal/fips140/mldsa stable internal/fips140/mlkem Package crypto/internal/fips140/mlkem stable internal/fips140/nistec Package crypto/internal/fips140/nistec stable internal/fips140/nistec/fiat Package crypto/internal/fips140/nistec/fiat stable internal/fips140/pbkdf2 Package crypto/internal/fips140/pbkdf2 stable internal/fips140/rsa Package crypto/internal/fips140/rsa stable internal/fips140/sha256 Package crypto/internal/fips140/sha256 stable internal/fips140/sha3 Package crypto/internal/fips140/sha3 stable internal/fips140/sha512 Package crypto/internal/fips140/sha512 stable internal/fips140/ssh Package crypto/internal/fips140/ssh stable internal/fips140/subtle Package crypto/internal/fips140/subtle stable internal/fips140/tls12 Package crypto/internal/fips140/tls12 stable internal/fips140/tls13 Package crypto/internal/fips140/tls13 stable internal/fips140cache Package crypto/internal/fips140cache stable internal/fips140deps Package crypto/internal/fips140deps stable internal/fips140deps/byteorder Package crypto/internal/fips140deps/byteorder stable internal/fips140deps/cpu Package crypto/internal/fips140deps/cpu stable internal/fips140deps/godebug Package crypto/internal/fips140deps/godebug stable internal/fips140deps/time Package crypto/internal/fips140deps/time stable internal/fips140hash Package crypto/internal/fips140hash stable internal/fips140only Package crypto/internal/fips140only stable internal/fips140test Package crypto/internal/fips140test stable internal/impl Package crypto/internal/impl stable internal/rand Package crypto/internal/rand stable internal/randutil Package crypto/internal/randutil stable internal/sysrand Package crypto/internal/sysrand stable internal/sysrand/internal/seccomp Package crypto/internal/sysrand/internal/seccomp stable md5 Package crypto/md5 stable mlkem Package crypto/mlkem stable mlkem/mlkemtest Package crypto/mlkem/mlkemtest stable pbkdf2 Package crypto/pbkdf2 stable rand Package crypto/rand stable rc4 Package crypto/rc4 stable rsa Package crypto/rsa stable sha1 Package crypto/sha1 stable sha256 Package crypto/sha256 stable sha3 Package crypto/sha3 stable sha512 Package crypto/sha512 stable subtle Package crypto/subtle stable tls Package crypto/tls stable tls/internal/fips140tls Package crypto/tls/internal/fips140tls stable x509 Package crypto/x509 stable x509/pkix Package crypto/x509/pkix stable hash Package hash stable adler32 Package hash/adler32 stable crc32 Package hash/crc32 stable crc64 Package hash/crc64 stable fnv Package hash/fnv stable maphash Package hash/maphash stable
Data & Configuration 5
Development Tools 49
buildinfo Package debug/buildinfo stable dwarf Package debug/dwarf stable elf Package debug/elf stable gosym Package debug/gosym stable macho Package debug/macho stable pe Package debug/pe stable plan9obj Package debug/plan9obj stable ast Package go/ast stable build Package go/build stable build/constraint Package go/build/constraint stable constant Package go/constant stable doc Package go/doc stable doc/comment Package go/doc/comment stable format Package go/format stable importer Package go/importer stable internal/gccgoimporter Package go/internal/gccgoimporter stable internal/gcimporter Package go/internal/gcimporter stable internal/scannerhooks Package go/internal/scannerhooks stable internal/srcimporter Package go/internal/srcimporter stable parser Package go/parser stable printer Package go/printer stable scanner Package go/scanner stable token Package go/token stable types Package go/types stable version Package go/version stable maps Package maps stable reflect Package reflect stable internal/example1 Package reflect/internal/example1 stable internal/example2 Package reflect/internal/example2 stable regexp Package regexp stable syntax Package regexp/syntax stable runtime Package runtime stable coverage Package runtime/coverage stable debug Package runtime/debug stable metrics Package runtime/metrics stable pprof Package runtime/pprof stable race Package runtime/race stable race/internal/amd64v1 Package runtime/race/internal/amd64v1 stable trace Package runtime/trace stable slices Package slices stable sort Package sort stable testing Package testing stable cryptotest Package testing/cryptotest stable fstest Package testing/fstest stable internal/testdeps Package testing/internal/testdeps stable iotest Package testing/iotest stable quick Package testing/quick stable slogtest Package testing/slogtest stable synctest Package testing/synctest stable
Application 3
Web & Networking 33
html Package html stable template Package html/template stable log Package log stable internal Package log/internal stable slog Package log/slog stable slog/internal Package log/slog/internal stable slog/internal/benchmarks Package log/slog/internal/benchmarks stable slog/internal/buffer Package log/slog/internal/buffer stable syslog Package log/syslog stable net Package net stable http Package net/http stable http/cgi Package net/http/cgi stable http/cookiejar Package net/http/cookiejar stable http/fcgi Package net/http/fcgi stable http/httptest Package net/http/httptest stable http/httptrace Package net/http/httptrace stable http/httputil Package net/http/httputil stable http/internal Package net/http/internal stable http/internal/ascii Package net/http/internal/ascii stable http/internal/httpcommon Package net/http/internal/httpcommon stable http/internal/testcert Package net/http/internal/testcert stable http/pprof Package net/http/pprof stable internal/cgotest Package net/internal/cgotest stable internal/socktest Package net/internal/socktest stable mail Package net/mail stable netip Package net/netip stable rpc Package net/rpc stable rpc/jsonrpc Package net/rpc/jsonrpc stable smtp Package net/smtp stable textproto Package net/textproto stable url Package net/url stable path Package path stable filepath Package path/filepath stable
Structs 1
Unicode 3
Weak 1
Node.js
26.7.0 57 modules in 7 categories
Debug & TestingAsync & StreamsCoreProcess & File SystemData & CryptoNetworkRuntime
Node.js
26.7.0Debug & Testing 8
Async & Streams 7
Core 10
Process & File System 8
Data & Crypto 5
Network 7
Runtime 12
domain Domain stable environment_variables Environment Variables stable ffi FFI stable intl Internationalization stable modules Modules: CommonJS modules stable esm Modules: ECMAScript modules stable module Modules: node:module API stable permissions Permissions stable tty TTY stable v8 V8 stable vm VM stable wasi WASI stable
Python
3.14.7 312 modules in 23 categories
Data TypesMultimedia & GUIApplication InterfaceCode IntrospectionConcurrencyPython RuntimeEmail & EncodingDebugging & ErrorData StorageOtherMath & StatisticsDevelopment & TestingModule SystemData SerializationFunctional ProgrammingSystem InterfaceText ProcessingI/O & EncodingDistribution & PackagingFile SystemNetworkingCryptographyTime
Python
3.14.7Data Types 18
abc Abstract base classes according to :pep:`3119`. stable annotationlib Functionality for introspecting annotations stable array Space efficient arrays of uniformly typed numeric values. stable bisect Array bisection algorithms for binary searching. stable calendar Functions for working with calendars, including some emulation
of the Unix cal program. stable collections Container datatypes stable collections.abc Abstract base classes for containers stable contextvars Context Variables stable copy Shallow and deep copy operations. stable copyreg Register pickle support functions. stable dataclasses Generate special methods on user-defined classes. stable datetime Basic date and time types. stable enum Implementation of an enumeration class. stable graphlib Functionality to operate with graph-like structures stable heapq Heap queue algorithm (a.k.a. priority queue). stable pprint Data pretty printer. stable types Names for built-in types. stable weakref Support for weak references and weak dictionaries. stable
Multimedia & GUI 25
aifc Removed in 3.13. deprecated audioop Removed in 3.13. deprecated colorsys Conversion functions between RGB and other color systems. stable curses An interface to the curses library, providing portable
terminal handling. stable curses.ascii Constants and set-membership functions for ASCII characters. stable curses.panel A panel stack extension that adds depth to curses windows. stable curses.textpad Emacs-like input editing in a curses window. stable getpass Portable reading of passwords and retrieval of the userid. stable sndhdr Removed in 3.13. deprecated sunau Removed in 3.13. deprecated tkinter Interface to Tcl/Tk for graphical user interfaces stable tkinter.colorchooser Color choosing dialog stable tkinter.commondialog Tkinter base class for dialogs stable tkinter.dialog A simple dialog box built on the classic Tk widgets. stable tkinter.dnd Tkinter drag-and-drop interface stable tkinter.filedialog Dialog classes for file selection stable tkinter.font Tkinter font-wrapping class stable tkinter.messagebox Various types of alert dialogs stable tkinter.scrolledtext Text widget with a vertical scroll bar. stable tkinter.simpledialog Simple dialog windows stable tkinter.ttk Tk themed widget set stable turtle An educational framework for simple graphics applications stable turtledemo A viewer for example turtle scripts stable wave Provide an interface to the WAV sound format. stable winsound Access to the sound-playing machinery for Windows. stable
Application Interface 10
argparse Command-line option and argument parsing library. stable getopt Portable parser for command line options; support both short and
long option names. stable gettext Multilingual internationalization services. stable locale Internationalization services. stable logging Flexible event logging system for applications. stable logging.config Configuration of the logging module. stable logging.handlers Handlers for the logging module. stable netrc Loading of .netrc files. stable optparse Command-line option parsing library. stable shlex Simple lexical analysis for Unix shell-like languages. stable
Code Introspection 11
ast Abstract Syntax Tree classes and manipulation. stable dis Disassembler for Python bytecode. stable distutils Removed in 3.12. deprecated inspect Extract information and source code from live objects. stable keyword Test whether a string is a keyword in Python. stable marshal Convert Python objects to streams of bytes and back (with different
constraints). stable pickle Convert Python objects to streams of bytes and back. stable pickletools Contains extensive comments about the pickle protocols and
pickle-machine opcodes, as well as some useful functions. stable symtable Interface to the compiler's internal symbol tables. stable token Constants representing terminal nodes of the parse tree. stable tokenize Lexical scanner for Python source code. stable
Concurrency 18
asynchat Removed in 3.12. deprecated asyncio Asynchronous I/O. stable asyncore Removed in 3.12. deprecated concurrent.futures Execute computations concurrently using threads or processes. stable concurrent.interpreters Multiple interpreters in the same process stable multiprocessing Process-based parallelism. stable multiprocessing.connection API for dealing with sockets. stable multiprocessing.dummy Dumb wrapper around threading. stable multiprocessing.managers Share data between process with shared objects. stable multiprocessing.pool Create pools of processes. stable multiprocessing.shared_memory Provides shared memory for direct access across processes. stable multiprocessing.sharedctypes Allocate ctypes objects from shared memory. stable queue A synchronized queue class. stable sched General purpose event scheduler. stable select Wait for I/O completion on multiple streams. stable selectors High-level I/O multiplexing. stable subprocess Subprocess management. stable threading Thread-based parallelism. stable
Python Runtime 13
atexit Register and execute cleanup functions. stable builtins The module that provides the built-in namespace. stable errno Standard errno system symbols. stable gc Interface to the cycle-detecting garbage collector. stable platform Retrieves as much platform identifying data as possible. stable posix The most common POSIX system calls (normally used via module os). stable site Module responsible for site-specific configuration. stable sitecustomize stable stat Utilities for interpreting the results of os.stat(),
os.lstat() and os.fstat(). stable sys Access system-specific parameters and functions. stable sys.monitoring Access and control event monitoring stable sysconfig Python's configuration information stable syslog An interface to the Unix syslog library routines. stable
Email & Encoding 28
base64 RFC 4648: Base16, Base32, Base64 Data Encodings;
Base85 and Ascii85 stable binascii Tools for converting between binary and various ASCII-encoded binary
representations. stable email Package supporting the parsing, manipulating, and generating
email messages. stable email.charset Character Sets stable email.contentmanager Storing and Retrieving Content from MIME Parts stable email.encoders Encoders for email message payloads. stable email.errors The exception classes used by the email package. stable email.generator Generate flat text email messages from a message structure. stable email.header Representing non-ASCII headers stable email.headerregistry Automatic Parsing of headers based on the field name stable email.iterators Iterate over a message object tree. stable email.message The base class representing email messages. stable email.mime Build MIME messages. stable email.mime.application stable email.mime.audio stable email.mime.base stable email.mime.image stable email.mime.message stable email.mime.multipart stable email.mime.nonmultipart stable email.mime.text stable email.parser Parse flat text email messages to produce a message object structure. stable email.policy Controlling the parsing and generating of messages stable email.utils Miscellaneous email package utilities. stable mailbox Manipulate mailboxes in various formats stable mimetypes Mapping of filename extensions to MIME types. stable quopri Encode and decode files using the MIME quoted-printable encoding. stable uu Removed in 3.13. deprecated
Debugging & Error 5
Data Storage 25
bz2 Interfaces for bzip2 compression and decompression. stable cgi Removed in 3.13. deprecated cgitb Removed in 3.13. deprecated compression stable compression.zstd Low-level interface to compression and decompression routines in
the zstd library. stable dbm Interfaces to various Unix "database" formats. stable dbm.dumb Portable implementation of the simple DBM interface. stable dbm.gnu GNU database manager stable dbm.ndbm The New Database Manager stable dbm.sqlite3 SQLite backend for dbm stable gzip Interfaces for gzip compression and decompression using file objects. stable lzma A Python wrapper for the liblzma compression library. stable shelve Python object persistence. stable sqlite3 A DB-API 2.0 implementation using SQLite 3.x. stable tarfile Read and write tar-format archive files. stable webbrowser Easy-to-use controller for web browsers. stable wsgiref WSGI Utilities and Reference Implementation. stable wsgiref.handlers WSGI server/gateway base classes. stable wsgiref.headers WSGI response header tools. stable wsgiref.simple_server A simple WSGI HTTP server. stable wsgiref.types WSGI types for static type checking stable wsgiref.util WSGI environment utilities. stable wsgiref.validate WSGI conformance checker. stable zipfile Read and write ZIP-format archive files. stable zlib Low-level interface to compression and decompression routines
compatible with gzip. stable
Other 10
chunk Removed in 3.13. deprecated crypt Removed in 3.13. deprecated imghdr Removed in 3.13. deprecated mailcap Removed in 3.13. deprecated msilib Removed in 3.13. deprecated nis Removed in 3.13. deprecated pipes Removed in 3.13. deprecated spwd Removed in 3.13. deprecated usercustomize stable xdrlib Removed in 3.13. deprecated
Math & Statistics 7
cmath Mathematical functions for complex numbers. stable decimal Implementation of the General Decimal Arithmetic Specification. stable fractions Rational numbers. stable math Mathematical functions (sin() etc.). stable numbers Numeric abstract base classes (Complex, Real, Integral, etc.). stable random Generate pseudo-random numbers with various common distributions. stable statistics Mathematical statistics functions stable
Development & Testing 30
cmd Build line-oriented command interpreters. stable code Facilities to implement read-eval-print loops. stable codecs Encode and decode data and streams. stable codeop Compile (possibly incomplete) Python code. stable cProfile stable doctest Test pieces of code within docstrings. stable idlelib Implementation package for the IDLE shell/editor. stable profile Python source profiler. stable pstats Statistics object for use with the profiler. stable pyclbr Supports information extraction for a Python module browser. stable pydoc Documentation generator and online help system. stable rlcompleter Python identifier completion, suitable for the GNU readline library. stable tabnanny Tool for detecting white space related problems in Python
source files in a directory tree. stable test Regression tests package containing the testing suite for Python. stable test.regrtest Drives the regression test suite. stable test.support Support for Python's regression test suite. stable test.support.bytecode_helper Support tools for testing correct bytecode generation. stable test.support.import_helper Support for import tests. stable test.support.os_helper Support for os tests. stable test.support.script_helper Support for Python's script execution tests. stable test.support.socket_helper Support for socket tests. stable test.support.threading_helper Support for threading tests. stable test.support.warnings_helper Support for warnings tests. stable timeit Measure the execution time of small code snippets. stable trace Trace or track Python statement execution. stable traceback Print or retrieve a stack traceback. stable tracemalloc Trace memory allocations. stable typing Support for type hints (see :pep:`484`). stable unittest Unit testing framework for Python. stable unittest.mock Mock object library. stable
Module System 15
compileall Tools for byte-compiling all Python source files in a directory tree. stable imp Removed in 3.12. deprecated importlib The implementation of the import machinery. stable importlib.abc Abstract base classes related to import stable importlib.machinery Importers and path hooks stable importlib.metadata Accessing package metadata stable importlib.resources Package resource reading, opening, and access stable importlib.resources.abc Abstract base classes for resources stable importlib.util Utility code for importers stable modulefinder Find modules used by a script. stable pkgutil Utilities for the import system. stable py_compile Generate byte-code files from Python source files. stable runpy Locate and run Python modules without importing them first. stable zipapp Manage executable Python zip archives stable zipimport Support for importing Python modules from ZIP archives. stable
Data Serialization 25
configparser Configuration file parser. stable csv Write and read tabular data to and from delimited files. stable html Helpers for manipulating HTML. stable html.entities Definitions of HTML general entities. stable html.parser A simple parser that can handle HTML and XHTML. stable json Encode and decode the JSON format. stable json.tool A command-line interface to validate and pretty-print JSON. stable plistlib Generate and parse Apple plist files. stable tomllib Parse TOML files. stable xml Package containing XML processing modules stable xml.dom Document Object Model API for Python. stable xml.dom.minidom Minimal Document Object Model (DOM) implementation. stable xml.dom.pulldom Support for building partial DOM trees from SAX events. stable xml.etree.ElementInclude stable xml.etree.ElementTree Implementation of the ElementTree API. stable xml.parsers.expat An interface to the Expat non-validating XML parser. stable xml.parsers.expat.errors stable xml.parsers.expat.model stable xml.sax Package containing SAX2 base classes and convenience functions. stable xml.sax.handler Base classes for SAX event handlers. stable xml.sax.saxutils Convenience functions and classes for use with SAX. stable xml.sax.xmlreader Interface which SAX-compliant XML parsers must implement. stable xmlrpc Server and client modules implementing XML-RPC. stable xmlrpc.client XML-RPC client access. stable xmlrpc.server Basic XML-RPC server implementations. stable
Functional Programming 4
System Interface 10
ctypes A foreign function library for Python. stable fcntl The fcntl() and ioctl() system calls. stable grp The group database (getgrnam() and friends). stable msvcrt Miscellaneous useful routines from the MS VC++ runtime. stable pty Pseudo-Terminal Handling for Unix. stable pwd The password database (getpwnam() and friends). stable struct Interpret bytes as packed binary data. stable termios POSIX style tty control. stable tty Utility functions that perform common terminal control operations. stable winreg Routines and objects for manipulating the Windows registry. stable
Text Processing 10
difflib Helpers for computing differences between objects. stable re Regular expression operations. stable readline GNU readline support for Python. stable reprlib Alternate repr() implementation with size limits. stable resource An interface to provide resource usage information on the current process. stable string Common string operations. stable string.templatelib Support for template string literals. stable stringprep String preparation, as per RFC 3453 stable textwrap Text wrapping and filling stable unicodedata Access the Unicode Database. stable
I/O & Encoding 4
Distribution & Packaging 2
File System 14
filecmp Compare files efficiently. stable fileinput Loop over standard input or a list of files. stable fnmatch Unix shell style filename pattern matching. stable glob Unix shell style pathname pattern expansion. stable io Core tools for working with streams. stable linecache Provides random access to individual lines from text files. stable mmap Interface to memory-mapped files for Unix and Windows. stable os Miscellaneous operating system interfaces. stable os.path Operations on pathnames. stable ossaudiodev Removed in 3.13. deprecated pathlib Object-oriented filesystem paths stable pathlib.types pathlib types for static type checking stable shutil High-level file operations, including copying. stable tempfile Generate temporary files and directories. stable
Networking 23
ftplib FTP protocol client (requires sockets). stable http HTTP status codes and messages stable http.client HTTP and HTTPS protocol client (requires sockets). stable http.cookiejar Classes for automatic handling of HTTP cookies. stable http.cookies Support for HTTP state management (cookies). stable http.server HTTP server and request handlers. stable imaplib IMAP4 protocol client (requires sockets). stable ipaddress IPv4/IPv6 manipulation library. stable nntplib Removed in 3.13. deprecated poplib POP3 protocol client (requires sockets). stable smtpd Removed in 3.12. deprecated smtplib SMTP protocol client (requires sockets). stable socket Low-level networking interface. stable socketserver A framework for network servers. stable ssl TLS/SSL wrapper for socket objects stable telnetlib Removed in 3.13. deprecated urllib stable urllib.error Exception classes raised by urllib.request. stable urllib.parse Parse URLs into or assemble them from components. stable urllib.request Extensible library for opening URLs. stable urllib.response Response classes used by urllib. stable urllib.robotparser Load a robots.txt file and answer questions about
fetchability of other URLs. stable uuid UUID objects (universally unique identifiers) according to RFC 9562 stable
Cryptography 3
Rust
1.97.1 42 modules in 7 categories
Core TypesRuntime & FFICollectionsSystem & I/OError HandlingAsyncConcurrency
Rust
1.97.1Core Types 20
alloc Memory allocation APIs. stable any Utilities for dynamic typing or type reflection. stable array Utilities for the array primitive type. stable ascii Operations on ASCII strings and characters. stable borrow A module for working with borrowed data. stable cell Shareable mutable containers. stable cmp Utilities for comparing and ordering values. stable convert Traits for conversions between types. stable hash Generic hashing support. stable hint Hints to compiler that affects how code should be emitted or optimized. stable iter Composable external iteration. stable marker Primitive traits and types representing basic properties of types. stable mem Basic functions for dealing with memory, values, and types. stable ops Overloadable operators. stable option Optional values. stable pin Types that pin data to a location in memory. stable ptr Manually manage memory through raw pointers. stable range Replacement range types stable slice Utilities for the slice primitive type. stable string A UTF-8–encoded, growable string. stable
Runtime & FFI 6
arch SIMD and vendor intrinsics module. stable backtrace Support for capturing a stack backtrace of an OS thread stable ffi Utilities related to FFI bindings. stable num Additional functionality for numerics. stable prelude The Rust Prelude stable primitive This module reexports the primitive types to allow usage that is not
possibly shadowed by other declared types. stable
Collections 1
System & I/O 9
env Inspection and manipulation of the process’s environment. stable fs Filesystem manipulation operations. stable io Traits, helpers, and type definitions for core I/O functionality. stable net Networking primitives for TCP/UDP communication. stable os OS-specific functionality. stable path Cross-platform path manipulation. stable process A module for working with processes. stable thread Native threads. stable time Temporal quantification. stable