Changelog

Version 0.16.0

Released 2019-09-19

  • Deprecate most top-level attributes provided by the werkzeugmodule in favor of direct imports. The deprecated imports will beremoved in version 1.0.

For example, instead of import werkzeug; werkzeug.url_quote, dofrom werkzeug.urls import url_quote. A deprecation warning willshow the correct import to use. werkzeug.exceptions andwerkzeug.routing should also be imported instead of accessed,but for technical reasons can’t show a warning.

#2, #1640

Version 0.15.6

Released 2019-09-04

  • Work around a bug in pip that caused the reloader to fail onWindows when the script was an entry point. This fixes the issuewith Flask’s flask run command failing with “No module namedScriptsflask”. #1614
  • ProxyFix trusts the X-Forwarded-Proto header by default.#1630
  • The deprecated num_proxies argument to ProxyFix setsx_for, x_proto, and x_host to match 0.14 behavior. Thisis intended to make intermediate upgrades less disruptive, but theargument will still be removed in 1.0. #1630

Version 0.15.5

Released 2019-07-17

  • Fix a TypeError due to changes to ast.Module in Python 3.8.#1551
  • Fix a C assertion failure in debug builds of some Python 2.7releases. #1553
  • BadRequestKeyError adds the KeyErrormessage to the description if e.show_exception is set toTrue. This is a more secure default than the original 0.15.0behavior and makes it easier to control without losing information.#1592
  • Upgrade the debugger to jQuery 3.4.1. #1581
  • Work around an issue in some external debuggers that caused thereloader to fail. #1607
  • Work around an issue where the reloader couldn’t introspect asetuptools script installed as an egg. #1600
  • The reloader will use sys.executable even if the script ismarked executable, reverting a behavior intended for NixOSintroduced in 0.15. The reloader should no longer causeOSError: [Errno 8] Exec format error. #1482,#1580
  • SharedDataMiddleware safely handles paths with Windows drivenames. #1589

Version 0.15.4

Released 2019-05-14

  • Fix a SyntaxError on Python 2.7.5. (#1544)

Version 0.15.3

Released 2019-05-14

  • Properly handle multi-line header folding in development server inPython 2.7. (#1080)
  • Restore the response argument to Unauthorized.(#1527)
  • Unauthorized doesn’t add the WWW-Authenticateheader if www_authenticate is not given. (#1516)
  • The default URL converter correctly encodes bytes to string ratherthan representing them with b''. (#1502)
  • Fix the filename format string inProfilerMiddleware to correctly handlefloat values. (#1511)
  • Update LintMiddleware to work on Python 3.(#1510)
  • The debugger detects cycles in chained exceptions and does not timeout in that case. (#1536)
  • When running the development server in Docker, the debugger securitypin is now unique per container.

Version 0.15.2

Released 2019-04-02

  • Rule code generation uses a filename that coverage will ignore.The previous value, “generated”, was causing coverage to fail.(#1487)
  • The test client removes the cookie header if there are no persistedcookies. This fixes an issue introduced in 0.15.0 where the cookiesfrom the original request were used for redirects, causing functionssuch as logout to fail. (#1491)
  • The test client copies the environ before passing it to the app, toprevent in-place modifications from affecting redirect requests.(#1498)
  • The "werkzeug" logger only adds a handler if there is no handlerconfigured for its level in the logging chain. This avoids doublelogging if other code configures logging first. (#1492)

Version 0.15.1

Released 2019-03-21

  • Unauthorized takes description as the firstargument, restoring previous behavior. The new www_authenticateargument is listed second. (#1483)

Version 0.15.0

Released 2019-03-19

  • Building URLs is ~7x faster. Each Rule compilesan optimized function for building itself. (#1281)
  • MapAdapter.build() can be passeda MultiDict to represent multiple valuesfor a key. It already did this when passing a dict with a listvalue. (#724)
  • path_info defaults to '/' forMap.bind(). (#740, #768,#1316)
  • Change RequestRedirect code from 301 to 308, preserving the verband request body (form data) during redirect. (#1342)
  • int and float converters in URL rules will handle negativevalues if passed the signed=True parameter. For example,/jump/<int(signed=True):count>. (#1355)
  • Location autocorrection in Response.get_wsgi_headers() is relative to the currentpath rather than the root path. (#693, #718,#1315)
  • 412 responses once again include entity headers and an error messagein the body. They were originally omitted when implementingIf-Match (#1233), but the spec doesn’t seem to disallow it.(#1231, #1255)
  • The Content-Length header is removed for 1xx and 204 responses. Thisfixes a previous change where no body would be sent, but the headerwould still be present. The new behavior matches RFC 7230.(#1294)
  • Unauthorized takes a www_authenticateparameter to set the WWW-Authenticate header for the response,which is technically required for a valid 401 response.(#772, #795)
  • Add support for status code 424 FailedDependency.(#1358)
  • http.parse_cookie() ignores empty segments rather thanproducing a cookie with no key or value. (#1245, #1301)
  • parse_authorization_header() (andAuthorization,authorization) treats the authorizationheader as UTF-8. On Python 2, basic auth username and password areunicode. (#1325)
  • parse_options_header() understands RFC 2231 parametercontinuations. (#1417)
  • uri_to_iri() does not unquote ASCII characters in theunreserved class, such as space, and leaves invalid bytes quotedwhen decoding. iri_to_uri() does not quote reservedcharacters. See RFC 3987 for these character classes.(#1433)
  • get_content_type appends a charset for any mimetype that endswith +xml, not just those that start with application/.Known text types such as application/javascript are also givencharsets. (#1439)
  • Clean up werkzeug.security module, remove outdated hashlibsupport. (#1282)
  • In generate_password_hash(), PBKDF2 uses 150000iterations by default, increased from 50000. (#1377)
  • ClosingIterator calls close on the wrappediterable, not the internal iterator. This doesn’t affect objectswhere iter returned self. For other objects, the methodwas not called before. (#1259, #1260)
  • Bytes may be used as keys in Headers, theywill be decoded as Latin-1 like values are. (#1346)
  • Range validates that list of range tuplespassed to it would produce a valid Range header. (#1412)
  • FileStorage looks up attributes onstream._file if they don’t exist on stream, working aroundan issue where tempfile.SpooledTemporaryFile() didn’timplement all of io.IOBase. Seehttps://github.com/python/cpython/pull/3249. (#1409)
  • CombinedMultiDict.copy()returns a shallow mutable copy as aMultiDict. The copy no longer reflectschanges to the combined dicts, but is more generally useful.(#1420)
  • The version of jQuery used by the debugger is updated to 3.3.1.(#1390)
  • The debugger correctly renders long markupsafe.Markup instances.(#1393)
  • The debugger can serve resources when Werkzeug is installed as azip file. DebuggedApplication.get_resource usespkgutil.get_data. (#1401)
  • The debugger and server log support Python 3’s chained exceptions.(#1396)
  • The interactive debugger highlights frames that come from user codeto make them easy to pick out in a long stack trace. Note that if anenv was created with virtualenv instead of venv, the debugger mayincorrectly classify some frames. (#1421)
  • Clicking the error message at the top of the interactive debuggerwill jump down to the bottom of the traceback. (#1422)
  • When generating a PIN, the debugger will ignore a KeyErrorraised when the current UID doesn’t have an associated username,which can happen in Docker. (#1471)
  • BadRequestKeyError adds the KeyErrormessage to the description, making it clearer what caused the 400error. Frameworks like Flask can omit this information in productionby setting e.args = (). (#1395)
  • If a nested ImportError occurs from import_string()the traceback mentions the nested import. Removes an untested codepath for handling “modules not yet set up by the parent.”(#735)
  • Triggering a reload while using a tool such as PDB no longer hidesinput. (#1318)
  • The reloader will not prepend the Python executable to the commandline if the Python file is marked executable. This allows thereloader to work on NixOS. (#1242)
  • Fix an issue where sys.path would change between reloads whenrunning with python -m app. The reloader can detect that amodule was run with “-m” and reconstructs that instead of the filepath in sys.argv when reloading. (#1416)
  • The dev server can bind to a Unix socket by passing a hostname likeunix://app.socket. (#209, #1019)
  • Server uses IPPROTO_TCP constant instead of SOL_TCP forJython compatibility. (#1375)
  • When using an adhoc SSL cert with run_simple(), thecert is shown as self-signed rather than signed by an invalidauthority. (#1430)
  • The development server logs the unquoted IRI rather than the rawrequest line, to make it easier to work with Unicode in requestpaths during development. (#1115)
  • The development server recognizes ConnectionError on Python 3 tosilence client disconnects, and does not silence other OSErrorsthat may have been raised inside the application. (#1418)
  • The environ keys REQUEST_URI and RAW_URI contain the rawpath before it was percent-decoded. This is non-standard, but manyWSGI servers add them. Middleware could replace PATH_INFO withthis to route based on the raw value. (#1419)
  • EnvironBuilder doesn’t set CONTENT_TYPE orCONTENT_LENGTH in the environ if they aren’t set. Previouslythese used default values if they weren’t set. Now it’s possible todistinguish between empty and unset values. (#1308)
  • The test client raises a ValueError if a query string argumentwould overwrite a query string in the path. (#1338)
  • test.EnvironBuilder and test.Client take ajson argument instead of manually passing data andcontent_type. This is serialized using thetest.EnvironBuilder.json_dumps() method. (#1404)
  • test.Client redirect handling is rewritten. (#1402)
    • The redirect environ is copied from the initial request environ.
    • Script root and path are correctly distinguished whenredirecting to a path under the root.
    • The HEAD method is not changed to GET.
    • 307 and 308 codes preserve the method and body. All othersignore the body and related headers.
    • Headers are passed to the new request for all codes, followingwhat browsers do.
    • test.EnvironBuilder sets the content type and lengthheaders in addition to the WSGI keys when detecting them fromthe data.
    • Intermediate response bodies are iterated over even whenbuffered=False to ensure iterator middleware can run cleanupcode safely. Only the last response is not buffered. (#988)
  • EnvironBuilder, FileStorage,and wsgi.get_input_stream() no longer share a global_empty_stream instance. This improves test isolation bypreventing cases where closing the stream in one request wouldaffect other usages. (#1340)
  • The default SecureCookie.serialization_method willchange from pickle to json in 1.0. To upgrade existingtokens, override unquote()to try pickle if json fails. (#1413)
  • CGIRootFix no longer modifies PATH_INFO for very oldversions of Lighttpd. LighttpdCGIRootFix was renamed toCGIRootFix in 0.9. Both are deprecated and will be removed inversion 1.0. (#1141)
  • werkzeug.wrappers.json.JSONMixin has been replaced withFlask’s implementation. Check the docs for the full API.(#1445)
  • The contrib modules are deprecated and willeither be moved into werkzeug core or removed completely inversion 1.0. Some modules that already issued deprecation warningshave been removed. Be sure to run or test your code withpython -W default::DeprecationWarning to catch any deprecatedcode you’re using. (#4)
    • LintMiddleware has moved to werkzeug.middleware.lint.
    • ProfilerMiddleware has moved towerkzeug.middleware.profiler.
    • ProxyFix has moved to werkzeug.middleware.proxy_fix.
    • JSONRequestMixin has moved to werkzeug.wrappers.json.
    • cache has been extracted into a separate project,cachelib. The versionin Werkzeug is deprecated.
    • securecookie and sessions have been extracted into aseparate project,secure-cookie. Theversion in Werkzeug is deprecated.
    • Everything in fixers, except ProxyFix, is deprecated.
    • Everything in wrappers, except JSONMixin, is deprecated.
    • atom is deprecated. This did not fit in with the rest ofWerkzeug, and is better served by a dedicated library in thecommunity.
    • jsrouting is removed. Set URLs when rendering templatesor JSON responses instead.
    • limiter is removed. Its specific use is handled by Werkzeugdirectly, but stream limiting is better handled by the WSGIserver in general.
    • testtools is removed. It did not offer significant benefitover the default test client.
    • iterio is deprecated.
  • wsgi.get_host() no longer looks at X-Forwarded-For. UseProxyFix to handle that.(#609, #1303)
  • ProxyFix is refactored to supportmore headers, multiple values, and more secure configuration.
    • Each header supports multiple values. The trusted number ofproxies is configured separately for each header. Thenum_proxies argument is deprecated. (#1314)
    • Sets SERVER_NAME and SERVER_PORT based onX-Forwarded-Host. (#1314)
    • Sets SERVER_PORT and modifies HTTP_HOST based onX-Forwarded-Port. (#1023, #1304)
    • Sets SCRIPT_NAME based on X-Forwarded-Prefix.(#1237)
    • The original WSGI environment values are stored in thewerkzeug.proxy_fix.orig key, a dict. The individual keyswerkzeug.proxy_fix.orig_remote_addr,werkzeug.proxy_fix.orig_wsgi_url_scheme, andwerkzeug.proxy_fix.orig_http_host are deprecated.
  • Middleware from werkzeug.wsgi has moved to separate modulesunder werkzeug.middleware, along with the middleware moved fromwerkzeug.contrib. The old werkzeug.wsgi imports aredeprecated and will be removed in version 1.0. (#1452)
  • ProxyMiddleware proxies the querystring. (#1252)
  • The filenames generated byProfilerMiddleware can be customized.(#1283)
  • The werkzeug.wrappers module has been converted to a package,and its various classes have been organized into separate modules.Any previously documented classes, understood to be the existingpublic API, are still importable from werkzeug.wrappers, or maybe imported from their specific modules. (#1456)

Version 0.14.1

Released on December 31st 2017

  • Resolved a regression with status code handling in the integrateddevelopment server.

Version 0.14

Released on December 31st 2017

  • HTTP exceptions are now automatically caught byRequest.application.
  • Added support for edge as browser.
  • Added support for platforms that lack SpooledTemporaryFile.
  • Add support for etag handling through if-match
  • Added support for the SameSite cookie attribute.
  • Added werkzeug.wsgi.ProxyMiddleware
  • Implemented has for NullCache
  • get_multi on cache clients now returns lists all the time.
  • Improved the watchdog observer shutdown for the reloader to not crashon exit on older Python versions.
  • Added support for filename* filename attributes according toRFC 2231
  • Resolved an issue where machine ID for the reloader PIN was notread accurately on windows.
  • Added a workaround for syntax errors in init files in the reloader.
  • Added support for using the reloader with console scripts on windows.
  • The built-in HTTP server will no longer close a connection in caseswhere no HTTP body is expected (204, 204, HEAD requests etc.)
  • The EnvironHeaders object now skips over empty content type andlengths if they are set to falsy values.
  • Werkzeug will no longer send the content-length header on 1xx or204/304 responses.
  • Cookie values are now also permitted to include slashes and equalsigns without quoting.
  • Relaxed the regex for the routing converter arguments.
  • If cookies are sent without values they are now assumed to have anempty value and the parser accepts this. Previously this could havecorrupted cookies that followed the value.
  • The test Client and EnvironBuilder now support mimetypes likethe request object does.
  • Added support for static weights in URL rules.
  • Better handle some more complex reloader scenarios where sys.pathcontained non directory paths.
  • EnvironHeaders no longer raises weird errors if non string keysare passed to it.

Version 0.13

Released on December 7th 2017

  • Deprecate support for Python 2.6 and 3.3. CI tests will not runfor these versions, and support will be dropped completely in the nextversion. (pallets/meta#24)
  • Raise TypeError when port is not an integer. (#1088)
  • Fully deprecate werkzeug.script. Use Click instead.(#1090)
  • response.age is parsed as a timedelta. Previously, it wasincorrectly treated as a datetime. The header value is an integernumber of seconds, not a date string. (#414)
  • Fix a bug in TypeConversionDict where errors are not propagatedwhen using the converter. (#1102)
  • Authorization.qop is a string instead of a set, to comply withRFC 2617. (#984)
  • An exception is raised when an encoded cookie is larger than, bydefault, 4093 bytes. Browsers may silently ignore cookies larger thanthis. BaseResponse has a new attribute max_cookie_size anddump_cookie has a new argument max_size to configure this.(#780, #1109)
  • Fix a TypeError in werkzeug.contrib.lint.GuardedIterator.close.(#1116)
  • BaseResponse.calculate_content_length now correctly works forUnicode responses on Python 3. It first encodes usingiter_encoded. (#705)
  • Secure cookie contrib works with string secret key on Python 3.(#1205)
  • Shared data middleware accepts a list instead of a dict of staticlocations to preserve lookup order. (#1197)
  • HTTP header values without encoding can contain single quotes.(#1208)
  • The built-in dev server supports receiving requests with chunkedtransfer encoding. (#1198)

Version 0.12.2

Released on May 16 2017

  • Fix regression: Pull request #892 prevented Werkzeug from correctlylogging the IP of a remote client behind a reverse proxy, even when usingProxyFix.
  • Fix a bug in safe_join on Windows.

Version 0.12.1

Released on March 15th 2017

  • Fix crash of reloader (used on debug mode) on Windows.(OSError: [WinError 10038]). See pull request #1081
  • Partially revert change to class hierarchy of Headers. See #1084.

Version 0.12

Released on March 10th 2017

  • Spit out big deprecation warnings for werkzeug.script
  • Use inspect.getfullargspec internally when available asinspect.getargspec is gone in 3.6
  • Added support for status code 451 and 423
  • Improved the build error suggestions. In particular only ifsomeone stringifies the error will the suggestions be calculated.
  • Added support for uWSGI’s caching backend.
  • Fix a bug where iterating over a FileStorage would result in an infiniteloop.
  • Datastructures now inherit from the relevant baseclasses from thecollections module in the stdlib. See #794.
  • Add support for recognizing NetBSD, OpenBSD, FreeBSD, DragonFlyBSD platformsin the user agent string.
  • Recognize SeaMonkey browser name and version correctly
  • Recognize Baiduspider, and bingbot user agents
  • If LocalProxy’s wrapped object is a function, refer to it with wrappedattribute.
  • The defaults of generate_password_hash have been changed to more secureones, see pull request #753.
  • Add support for encoding in options header parsing, see pull request#933.
  • test.Client now properly handles Location headers with relative URLs, seepull request #879.
  • When HTTPException is raised, it now prints the description, for easierdebugging.
  • Werkzeug’s dict-like datastructures now have view-methods under Python 2,see pull request #968.
  • Fix a bug in MultiPartParser when no stream_factory was providedduring initialization, see pull request #973.
  • Disable autocorrect and spellchecker in the debugger middleware’s Pythonprompt, see pull request #994.
  • Don’t redirect to slash route when method doesn’t match, see pull request#907.
  • Fix a bug when using SharedDataMiddleware with frozen packages, see pullrequest #959.
  • Range header parsing function fixed for invalid values #974.
  • Add support for byte Range Requests, see pull request #978.
  • Use modern cryptographic defaults in the dev servers #1004.
  • the post() method of the test client now accept file object through the dataparameter.
  • Color run_simple’s terminal output based on HTTP codes #1013.
  • Fix self-XSS in debugger console, see #1031.
  • Fix IPython 5.x shell support, see #1033.
  • Change Accept datastructure to sort by specificity first, allowing for moreaccurate results when using best_match for mime types (for example inrequests.accept_mimetypes.best_match)

Version 0.11.16

  • werkzeug.serving: set CONTENT_TYPE / CONTENT_LENGTH if only they’re provided by the client
  • werkzeug.serving: Fix crash of reloader when using python -m werkzeug.serving.

Version 0.11.15

Released on December 30th 2016.

  • Bugfix for the bugfix in the previous release.

Version 0.11.14

Released on December 30th 2016.

  • Check if platform can fork before importing ForkingMixIn, raise exceptionwhen creating ForkingWSGIServer on such a platform, see PR #999.

Version 0.11.13

Released on December 26th 2016.

  • Correct fix for the reloader issuer on certain Windows installations.

Version 0.11.12

Released on December 26th 2016.

  • Fix more bugs in multidicts regarding empty lists. See #1000.
  • Add some docstrings to some EnvironBuilder properties that were previouslyunintentionally missing.
  • Added a workaround for the reloader on windows.

Version 0.11.11

Released on August 31st 2016.

  • Fix JSONRequestMixin for Python3. See #731
  • Fix broken string handling in test client when passing integers. See #852
  • Fix a bug in parse_options_header where an invalid content typestarting with comma or semi-colon would result in an invalid return value,see issue #995.
  • Fix a bug in multidicts when passing empty lists as values, see issue#979.
  • Fix a security issue that allows XSS on the Werkzeug debugger. See #1001.

Version 0.11.10

Released on May 24th 2016.

  • Fixed a bug that occurs when running on Python 2.6 and using a broken locale.See pull request #912.
  • Fixed a crash when running the debugger on Google App Engine. See issue #925.
  • Fixed an issue with multipart parsing that could cause memory exhaustion.

Version 0.11.9

Released on April 24th 2016.

  • Corrected an issue that caused the debugger not to use themachine GUID on POSIX systems.
  • Corrected a Unicode error on Python 3 for the debugger’sPIN usage.
  • Corrected the timestamp verification in the pin debug code.Without this fix the pin was remembered for too long.

Version 0.11.8

Released on April 15th 2016.

  • fixed a problem with the machine GUID detection code on OS Xon Python 3.

Version 0.11.7

Released on April 14th 2016.

  • fixed a regression on Python 3 for the debugger.

Version 0.11.6

Released on April 14th 2016.

  • werkzeug.serving: Still show the client address on bad requests.
  • improved the PIN based protection for the debugger to make it harder tobrute force via trying cookies. Please keep in mind that the debuggeris not intended for running on production environments
  • increased the pin timeout to a week to make it less annoying for peoplewhich should decrease the chance that users disable the pin checkentirely.
  • werkzeug.serving: Fix broken HTTP_HOST when path starts with double slash.

Version 0.11.5

Released on March 22nd 2016.

  • werkzeug.serving: Fix crash when attempting SSL connection to HTTP server.

Version 0.11.4

Released on February 14th 2016.

  • Fixed werkzeug.serving not working from -m flag.
  • Fixed incorrect weak etag handling.

Version 0.11.3

Released on December 20th 2015.

  • Fixed an issue with copy operations not working againstproxies.
  • Changed the logging operations of the development server tocorrectly log where the server is running in all situationsagain.
  • Fixed another regression with SSL wrapping similar to thefix in 0.11.2 but for a different code path.

Version 0.11.2

Released on November 12th 2015.

  • Fix inheritable sockets on Windows on Python 3.
  • Fixed an issue with the forking server not starting any longer.
  • Fixed SSL wrapping on platforms that supported opening socketsby file descriptor.
  • No longer log from the watchdog reloader.
  • Unicode errors in hosts are now better caught or converted intobad request errors.

Version 0.11.1

Released on November 10th 2015.

  • Fixed a regression on Python 3 in the debugger.

Version 0.11

Released on November 8th 2015, codename Gleisbaumaschine.

  • Added reloader_paths option to run_simple and other functions inwerkzeug.serving. This allows the user to completely override the Pythonmodule watching of Werkzeug with custom paths.
  • Many custom cached properties of Werkzeug’s classes are now subclasses ofPython’s property type (issue #616).
  • bind_to_environ now doesn’t differentiate between implicit and explicitdefault port numbers in HTTP_HOST (pull request #204).
  • BuildErrors are now more informative. They come with a complete sentenceas error message, and also provide suggestions (pull request #691).
  • Fix a bug in the user agent parser where Safari’s build number instead ofversion would be extracted (pull request #703).
  • Fixed issue where RedisCache set_many was broken for twemproxy, which doesn’tsupport the default MULTI command (pull request #702).
  • mimetype parameters on request and response classes are now alwaysconverted to lowercase.
  • Changed cache so that cache never expires if timeout is 0. This also fixesan issue with redis setex (issue #550)
  • Werkzeug now assumes UTF-8 as filesystem encoding on Unix if Pythondetected it as ASCII.
  • New optional has method on caches.
  • Fixed various bugs in parse_options_header (pull request #643).
  • If the reloader is enabled the server will now open the socket in the parentprocess if this is possible. This means that when the reloader kicks inthe connection from client will wait instead of tearing down. This doesnot work on all Python versions.
  • Implemented PIN based authentication for the debugger. This can optionallybe disabled but is discouraged. This change was necessary as it has beendiscovered that too many people run the debugger in production.
  • Devserver no longer requires SSL module to be installed.

Version 0.10.5

(bugfix release, release date yet to be decided)

  • Reloader: Correctly detect file changes made by moving temporary files overthe original, which is e.g. the case with PyCharm (pull request #722).
  • Fix bool behavior of werkzeug.datastructures.ETags under Python 3 (issue#744).

Version 0.10.4

(bugfix release, released on March 26th 2015)

  • Re-release of 0.10.3 with packaging artifacts manually removed.

Version 0.10.3

(bugfix release, released on March 26th 2015)

  • Re-release of 0.10.2 without packaging artifacts.

Version 0.10.2

(bugfix release, released on March 26th 2015)

  • Fixed issue where empty could break third-party libraries that relied onkeyword arguments (pull request #675)
  • Improved Rule.empty by providing a `get_empty_kwargs to allow settingcustom kwargs without having to override entire empty method. (pullrequest #675)
  • Fixed extra_files parameter for reloader to not cause startupto crash when included in server params
  • Using MultiDict when building URLs is now not supported again. The behaviorintroduced several regressions.
  • Fix performance problems with stat-reloader (pull request #715).

Version 0.10.1

(bugfix release, released on February 3rd 2015)

  • Fixed regression with multiple query values for URLs (pull request #667).
  • Fix issues with eventlet’s monkeypatching and the builtin server (pullrequest #663).

Version 0.10

Released on January 30th 2015, codename Bagger.

  • Changed the error handling of and improved testsuite for the caches incontrib.cache.
  • Fixed a bug on Python 3 when creating adhoc ssl contexts, due to _sys.maxint_not being defined.
  • Fixed a bug on Python 3, that causedmake_ssl_devcert() to fail with an exception.
  • Added exceptions for 504 and 505.
  • Added support for ChromeOS detection.
  • Added UUID converter to the routing system.
  • Added message that explains how to quit the server.
  • Fixed a bug on Python 2, that caused len forwerkzeug.datastructures.CombinedMultiDict to crash.
  • Added support for stdlib pbkdf2 hmac if a compatible digestis found.
  • Ported testsuite to use py.test.
  • Minor optimizations to various middlewares (pull requests #496 and#571).
  • Use stdlib ssl module instead of OpenSSL for the builtin server(issue #434). This means that OpenSSL contexts are not supported anymore,but instead ssl.SSLContext from the stdlib.
  • Allow protocol-relative URLs when building external URLs.
  • Fixed Atom syndication to print time zone offset for tz-aware datetimeobjects (pull request #254).
  • Improved reloader to track added files and to recover from brokensys.modules setups with syntax errors in packages.
  • cache.RedisCache now supports arbitrary **kwargs for the redisobject.
  • werkzeug.test.Client now uses the original request method when resolving307 redirects (pull request #556).
  • werkzeug.datastructures.MIMEAccept now properly deals with mimetypeparameters (pull request #205).
  • werkzeug.datastructures.Accept now handles a quality of 0 asintolerable, as per RFC 2616 (pull request #536).
  • werkzeug.urls.url_fix now properly encodes hostnames with idnaencoding (issue #559). It also doesn’t crash on malformed URLs anymore(issue #582).
  • werkzeug.routing.MapAdapter.match now recognizes the difference betweenthe path / and an empty one (issue #360).
  • The interactive debugger now tries to decode non-ascii filenames (issue#469).
  • Increased default key size of generated SSL certificates to 1024 bits (issue#611).
  • Added support for specifying a Response subclass to use when callingredirect().
  • werkzeug.test.EnvironBuilder now doesn’t use the request method anymoreto guess the content type, and purely relies on the form, files andinput_stream properties (issue #620).
  • Added Symbian to the user agent platform list.
  • Fixed make_conditional to respect automatically_set_content_length
  • Unset Content-Length when writing to response.stream (issue #451)
  • wrappers.Request.method is now always uppercase, eliminatinginconsistencies of the WSGI environment (issue 647).
  • routing.Rule.empty now works correctly with subclasses of Rule (pullrequest #645).
  • Made map updating safe in light of concurrent updates.
  • Allow multiple values for the same field for url building (issue #658).

Version 0.9.7

(bugfix release, release date to be decided)

  • Fix unicode problems in werkzeug.debug.tbtools.
  • Fix Python 3-compatibility problems in werkzeug.posixemulation.
  • Backport fix of fatal typo for ImmutableList (issue #492).
  • Make creation of the cache dir for FileSystemCache atomic (issue#468).
  • Use native strings for memcached keys to work with Python 3 client (issue#539).
  • Fix charset detection for werkzeug.debug.tbtools.Frame objects (issues#547 and #532).
  • Fix AttributeError masking in werkzeug.utils.import_string (issue#182).
  • Explicitly shut down server (issue #519).
  • Fix timeouts greater than 2592000 being misinterpreted as UNIX timestamps inwerkzeug.contrib.cache.MemcachedCache (issue #533).
  • Fix bug where werkzeug.exceptions.abort would raise an arbitrary subclassof the expected class (issue #422).
  • Fix broken jsrouting (due to removal of werkzeug.templates)
  • werkzeug.urls.url_fix now doesn’t crash on malformed URLs anymore, butreturns them unmodified. This is a cheap workaround for #582, the properfix is included in version 0.10.
  • The repr of werkzeug.wrappers.Request doesn’t crash on non-ASCII-valuesanymore (pull request #466).
  • Fix bug in cache.RedisCache when combined with redis.StrictRedisobject (pull request #583).
  • The qop parameter for WWW-Authenticate headers is now always quoted,as required by RFC 2617 (issue #633).
  • Fix bug in werkzeug.contrib.cache.SimpleCache with Python 3 where add/setmay throw an exception when pruning old entries from the cache (pull request#651).

Version 0.9.6

(bugfix release, released on June 7th 2014)

  • Added a safe conversion for IRI to URI conversion and use thatinternally to work around issues with spec violations forprotocols such as itms-service.

Version 0.9.7

  • Fixed uri_to_iri() not re-encoding hashes in query string parameters.

Version 0.9.5

(bugfix release, released on June 7th 2014)

  • Forward charset argument from request objects to the environbuilder.
  • Fixed error handling for missing boundaries in multipart data.
  • Fixed session creation on systems without os.urandom().
  • Fixed pluses in dictionary keys not being properly URL encoded.
  • Fixed a problem with deepcopy not working for multi dicts.
  • Fixed a double quoting issue on redirects.
  • Fixed a problem with unicode keys appearing in headers on 2.x.
  • Fixed a bug with unicode strings in the test builder.
  • Fixed a unicode bug on Python 3 in the WSGI profiler.
  • Fixed an issue with the safe string compare function onPython 2.7.7 and Python 3.4.

Version 0.9.4

(bugfix release, released on August 26th 2013)

  • Fixed an issue with Python 3.3 and an edge case in cookie parsing.
  • Fixed decoding errors not handled properly through the WSGIdecoding dance.
  • Fixed URI to IRI conversion incorrectly decoding percent signs.

Version 0.9.3

(bugfix release, released on July 25th 2013)

  • Restored behavior of the data descriptor of the request class to pre 0.9behavior. This now also means that .data and .get_data() havedifferent behavior. New code should use .get_data() always.

In addition to that there is now a flag for the .get_data() method thatcontrols what should happen with form data parsing and the form parser willhonor cached data. This makes dealing with custom form data more consistent.

Version 0.9.2

(bugfix release, released on July 18th 2013)

  • Added unsafe parameter to url_quote().
  • Fixed an issue with url_quote_plus() not quoting‘+’ correctly.
  • Ported remaining parts of RedisCache toPython 3.3.
  • Ported remaining parts of MemcachedCache toPython 3.3
  • Fixed a deprecation warning in the contrib atom module.
  • Fixed a regression with setting of content types through theheaders dictionary instead with the content type parameter.
  • Use correct name for stdlib secure string comparison function.
  • Fixed a wrong reference in the docstring ofrelease_local().
  • Fixed an AttributeError that sometimes occurred when accessing thewerkzeug.wrappers.BaseResponse.is_streamed attribute.

Version 0.9.1

(bugfix release, released on June 14th 2013)

  • Fixed an issue with integers no longer being accepted in certainparts of the routing system or URL quoting functions.
  • Fixed an issue with url_quote not producing the right escapecodes for single digit codepoints.
  • Fixed an issue with SharedDataMiddleware notreading the path correctly and breaking on etag generation in somecases.
  • Properly handle Expect: 100-continue in the development serverto resolve issues with curl.
  • Automatically exhaust the input stream on request close. This shouldfix issues where not touching request files results in a timeout.
  • Fixed exhausting of streams not doing anything if a non-limitedstream was passed into the multipart parser.
  • Raised the buffer sizes for the multipart parser.

Version 0.9

Released on June 13nd 2013, codename Planierraupe.

  • Added support for tell()on the limited stream.
  • ETags now is nonzero if itcontains at least one etag of any kind, including weak ones.
  • Added a workaround for a bug in the stdlib for SSL servers.
  • Improved SSL interface of the devserver so that it can generatecertificates easily and load them from files.
  • Refactored test client to invoke the open method on the classfor redirects. This makes subclassing more powerful.
  • werkzeug.wsgi.make_chunk_iter() andwerkzeug.wsgi.make_line_iter() now support processing ofiterators and streams.
  • URL generation by the routing system now no longer quotes+.
  • URL fixing now no longer quotes certain reserved characters.
  • The werkzeug.security.generate_password_hash() andcheck functions now support any of the hashlib algorithms.
  • wsgi.get_current_url is now ascii safe for browsers sendingnon-ascii data in query strings.
  • improved parsing behavior for werkzeug.http.parse_options_header()
  • added more operators to local proxies.
  • added a hook to override the default converter in the routingsystem.
  • The description field of HTTP exceptions is now always escaped.Use markup objects to disable that.
  • Added number of proxy argument to the proxy fix to make it moresecure out of the box on common proxy setups. It will by defaultno longer trust the x-forwarded-for header as much as it didbefore.
  • Added support for fragment handling in URI/IRI functions.
  • Added custom class support for werkzeug.http.parse_dict_header().
  • Renamed LighttpdCGIRootFix to CGIRootFix.
  • Always treat + as safe when fixing URLs as people love misusing them.
  • Added support to profiling into directories in the contrib profiler.
  • The escape function now by default escapes quotes.
  • Changed repr of exceptions to be less magical.
  • Simplified exception interface to no longer require environmentsto be passed to receive the response object.
  • Added sentinel argument to IterIO objects.
  • Added pbkdf2 support for the security module.
  • Added a plain request type that disables all form parsing to onlyleave the stream behind.
  • Removed support for deprecated fix_headers.
  • Removed support for deprecated header_list.
  • Removed support for deprecated parameter for iter_encoded.
  • Removed support for deprecated non-silent usage of the limitedstream object.
  • Removed support for previous dummy writable parameter onthe cached property.
  • Added support for explicitly closing request objects to closeassociated resources.
  • Conditional request handling or access to the data property on responses nolonger ignores direct passthrough mode.
  • Removed werkzeug.templates and werkzeug.contrib.kickstart.
  • Changed host lookup logic for forwarded hosts to allow lists ofhosts in which case only the first one is picked up.
  • Added wsgi.get_query_string, wsgi.get_path_info andwsgi.get_script_name and made the wsgi.pop_path_info andwsgi.peek_path_info functions perform unicode decoding. Thiswas necessary to avoid having to expose the WSGI encoding danceon Python 3.
  • Added content_encoding and content_md5 to the request object’scommon request descriptor mixin.
  • added options and trace to the test client.
  • Overhauled the utilization of the input stream to be easier to useand better to extend. The detection of content payload on the inputside is now more compliant with HTTP by detecting off the contenttype header instead of the request method. This also now means thatthe stream property on the request class is always available insteadof just when the parsing fails.
  • Added support for using werkzeug.wrappers.BaseResponse in a withstatement.
  • Changed get_app_iter to fetch the response early so that it does notfail when wrapping a response iterable. This makes filtering easier.
  • Introduced get_data and set_data methods for responses.
  • Introduced get_data for requests.
  • Soft deprecated the data descriptors for request and response objects.
  • Added as_bytes operations to some of the headers to simplify workingwith things like cookies.
  • Made the debugger paste tracebacks into github’s gist service asprivate pastes.

Version 0.8.4

(bugfix release, release date to be announced)

  • Added a favicon to the debugger which fixes problem withstate changes being triggered through a request to/favicon.ico in Google Chrome. This should fix someproblems with Flask and other frameworks that usecontext local objects on a stack with context preservationon errors.
  • Fixed an issue with scrolling up in the debugger.
  • Fixed an issue with debuggers running on a different URLthan the URL root.
  • Fixed a problem with proxies not forwarding some rarelyused special methods properly.
  • Added a workaround to prevent the XSS protection from Chromebreaking the debugger.
  • Skip redis tests if redis is not running.
  • Fixed a typo in the multipart parser that caused content-typeto not be picked up properly.

Version 0.8.3

(bugfix release, released on February 5th 2012)

  • Fixed another issue with werkzeug.wsgi.make_line_iter()where lines longer than the buffer size were not handledproperly.
  • Restore stdout after debug console finished executing sothat the debugger can be used on GAE better.
  • Fixed a bug with the redis cache for int subclasses(affects bool caching).
  • Fixed an XSS problem with redirect targets coming fromuntrusted sources.
  • Redis cache backend now supports password authentication.

Version 0.8.2

(bugfix release, released on December 16th 2011)

  • Fixed a problem with request handling of the builtin servernot responding to socket errors properly.
  • The routing request redirect exception’s code attribute is nowused properly.
  • Fixed a bug with shutdowns on Windows.
  • Fixed a few unicode issues with non-ascii characters beinghardcoded in URL rules.
  • Fixed two property docstrings being assigned to fdel insteadof doc.
  • Fixed an issue where CRLF line endings could be split into twoby the line iter function, causing problems with multipart fileuploads.

Version 0.8.1

(bugfix release, released on September 30th 2011)

  • Fixed an issue with the memcache not working properly.
  • Fixed an issue for Python 2.7.1 and higher that brokecopying of multidicts with copy.copy().
  • Changed hashing methodology of immutable ordered multi dictsfor a potential problem with alternative Python implementations.

Version 0.8

Released on September 29th 2011, codename Lötkolben

  • Removed data structure specific KeyErrors for a generalpurpose BadRequestKeyError.
  • Documented werkzeug.wrappers.BaseRequest._load_form_data().
  • The routing system now also accepts strings instead ofdictionaries for the query_args parameter since we’re onlypassing them through for redirects.
  • Werkzeug now automatically sets the content length immediately whenthe data attribute is setfor efficiency and simplicity reasons.
  • The routing system will now normalize server names to lowercase.
  • The routing system will no longer raise ValueErrors in case theconfiguration for the server name was incorrect. This should makedeployment much easier because you can ignore that factor now.
  • Fixed a bug with parsing HTTP digest headers. It rejected headerswith missing nc and nonce params.
  • Proxy fix now also updates wsgi.url_scheme based on X-Forwarded-Proto.
  • Added support for key prefixes to the redis cache.
  • Added the ability to suppress some auto corrections in the wrappersthat are now controlled via autocorrect_location_header andautomatically_set_content_length on the response objects.
  • Werkzeug now uses a new method to check that the length of incomingdata is complete and will raise IO errors by itself if the serverfails to do so.
  • make_line_iter() now requires a limit that isnot higher than the length the stream can provide.
  • Refactored form parsing into a form parser class that makes it possibleto hook into individual parts of the parsing process for debugging andextending.
  • For conditional responses the content length is no longer set when itis already there and added if missing.
  • Immutable datastructures are hashable now.
  • Headers datastructure no longer allows newlines in values to avoidheader injection attacks.
  • Made it possible through subclassing to select a different remoteaddr in the proxy fix.
  • Added stream based URL decoding. This reduces memory usage on largetransmitted form data that is URL decoded since Werkzeug will no longerload all the unparsed data into memory.
  • Memcache client now no longer uses the buggy cmemcache module andsupports pylibmc. GAE is not tried automatically and the dedicatedclass is no longer necessary.
  • Redis cache now properly serializes data.
  • Removed support for Python 2.4

Version 0.7.2

(bugfix release, released on September 30th 2011)

  • Fixed a CSRF problem with the debugger.
  • The debugger is now generating private pastes on lodgeit.
  • If URL maps are now bound to environments the query argumentsare properly decoded from it for redirects.

Version 0.7.1

(bugfix release, released on July 26th 2011)

  • Fixed a problem with newer versions of IPython.
  • Disabled pyinotify based reloader which does not work reliably.

Version 0.7

Released on July 24th 2011, codename Schraubschlüssel

  • Add support for python-libmemcached to the Werkzeug cache abstractionlayer.
  • Improved url_decode() and url_encode() performance.
  • Fixed an issue where the SharedDataMiddleware could cause aninternal server error on weird paths when loading via pkg_resources.
  • Fixed an URL generation bug that caused URLs to be invalid if agenerated component contains a colon.
  • werkzeug.import_string() now works with partially set uppackages properly.
  • Disabled automatic socket switching for IPv6 on the developmentserver due to problems it caused.
  • Werkzeug no longer overrides the Date header when creating aconditional HTTP response.
  • The routing system provides a method to retrieve the matchingmethods for a given path.
  • The routing system now accepts a parameter to change the encodingerror behaviour.
  • The local manager can now accept custom ident functions in theconstructor that are forwarded to the wrapped local objects.
  • url_unquote_plus now accepts unicode strings again.
  • Fixed an issue with the filesystem session support’s prunefunction and concurrent usage.
  • Fixed a problem with external URL generation discarding the port.
  • Added support for pylibmc to the Werkzeug cache abstraction layer.
  • Fixed an issue with the new multipart parser that happened whena linebreak happened to be on the chunk limit.
  • Cookies are now set properly if ports are in use. A runtime erroris raised if one tries to set a cookie for a domain without a dot.
  • Fixed an issue with Template.from_file not working for filedescriptors.
  • Reloader can now use inotify to track reloads. This requires thepyinotify library to be installed.
  • Werkzeug debugger can now submit to custom lodgeit installations.
  • redirect function’s status code assertion now allows 201 to be usedas redirection code. While it’s not a real redirect, it sharesenough with redirects for the function to still be useful.
  • Fixed securecookie for pypy.
  • Fixed ValueErrors being raised on calls to best_match onMIMEAccept objects when invalid user data was supplied.
  • Deprecated werkzeug.contrib.kickstart and werkzeug.contrib.testtools
  • URL routing now can be passed the URL arguments to keep them forredirects. In the future matching on URL arguments might also bepossible.
  • Header encoding changed from utf-8 to latin1 to support a port toPython 3. Bytestrings passed to the object stay untouched whichmakes it possible to have utf-8 cookies. This is a part wherethe Python 3 version will later change in that it will alwaysoperate on latin1 values.
  • Fixed a bug in the form parser that caused the last character tobe dropped off if certain values in multipart data are used.
  • Multipart parser now looks at the part-individual content typeheader to override the global charset.
  • Introduced mimetype and mimetype_params attribute for the filestorage object.
  • Changed FileStorage filename fallback logic to skip special filenamesthat Python uses for marking special files like stdin.
  • Introduced more HTTP exception classes.
  • call_on_close now can be used as a decorator.
  • Support for redis as cache backend.
  • Added BaseRequest.scheme.
  • Support for the RFC 5789 PATCH method.
  • New custom routing parser and better ordering.
  • Removed support for is_behind_proxy. Use a WSGI middlewareinstead that rewrites the REMOTE_ADDR according to your setup.Also see the werkzeug.contrib.fixers.ProxyFix fora drop-in replacement.
  • Added cookie forging support to the test client.
  • Added support for host based matching in the routing system.
  • Switched from the default ‘ignore’ to the better ‘replace’unicode error handling mode.
  • The builtin server now adds a function named ‘werkzeug.server.shutdown’into the WSGI env to initiate a shutdown. This currently only worksin Python 2.6 and later.
  • Headers are now assumed to be latin1 for better compatibility withPython 3 once we have support.
  • Added werkzeug.security.safe_join().
  • Added accept_json property analogous to accept_html on thewerkzeug.datastructures.MIMEAccept.
  • werkzeug.utils.import_string() now fails with much bettererror messages that pinpoint to the problem.
  • Added support for parsing of the If-Range header(werkzeug.http.parse_if_range_header() andwerkzeug.datastructures.IfRange).
  • Added support for parsing of the Range header(werkzeug.http.parse_range_header() andwerkzeug.datastructures.Range).
  • Added support for parsing of the Content-Range header of responsesand provided an accessor object for it(werkzeug.http.parse_content_range_header() andwerkzeug.datastructures.ContentRange).

Version 0.6.2

(bugfix release, released on April 23th 2010)

  • renamed the attribute implicit_seqence_conversion attribute of therequest object to implicit_sequence_conversion.

Version 0.6.1

(bugfix release, released on April 13th 2010)

  • heavily improved local objects. Should pick up standalone greenletbuilds now and support proxies to free callables as well. There isalso a stacked local now that makes it possible to invoke the sameapplication from within itself by pushing current request/responseon top of the stack.
  • routing build method will also build non-default method rules properlyif no method is provided.
  • added proper IPv6 support for the builtin server.
  • windows specific filesystem session store fixes.(should now be more stable under high concurrency)
  • fixed a NameError in the session system.
  • fixed a bug with empty arguments in the werkzeug.script system.
  • fixed a bug where log lines will be duplicated if an application useslogging.basicConfig() (#499)
  • added secure password hashing and checking functions.
  • HEAD is now implicitly added as method in the routing system ifGET is present. Not doing that was considered a bug because oftencode assumed that this is the case and in web servers that do notnormalize HEAD to GET this could break HEAD requests.
  • the script support can start SSL servers now.

Version 0.6

Released on Feb 19th 2010, codename Hammer.

  • removed pending deprecations
  • sys.path is now printed from the testapp.
  • fixed an RFC 2068 incompatibility with cookie value quoting.
  • the FileStorage now gives access to the multipart headers.
  • cached_property.writeable has been deprecated.
  • MapAdapter.match() now accepts a return_rule keyword argumentthat returns the matched Rule instead of just the endpoint
  • routing.Map.bind_to_environ() raises a more correct error messagenow if the map was bound to an invalid WSGI environment.
  • added support for SSL to the builtin development server.
  • Response objects are no longer modified in place when they are evaluatedas WSGI applications. For backwards compatibility the fix_headers_function is still called in case it was overridden.You should however change your application to use _get_wsgi_headers ifyou need header modifications before responses are sent as the backwardscompatibility support will go away in future versions.
  • append_slash_redirect() no longer requires the QUERY_STRING to bein the WSGI environment.
  • added DynamicCharsetResponseMixin
  • added DynamicCharsetRequestMixin
  • added BaseRequest.url_charset
  • request and response objects have a default repr now.
  • builtin data structures can be pickled now.
  • the form data parser will now look at the filename instead thecontent type to figure out if it should treat the upload as regularform data or file upload. This fixes a bug with Google Chrome.
  • improved performance of make_line_iter and the multipart parserfor binary uploads.
  • fixed is_streamed
  • fixed a path quoting bug in EnvironBuilder that caused PATH_INFO andSCRIPT_NAME to end up in the environ unquoted.
  • werkzeug.BaseResponse.freeze() now sets the content length.
  • for unknown HTTP methods the request stream is now always limitedinstead of being empty. This makes it easier to implement DAVand other protocols on top of Werkzeug.
  • added werkzeug.MIMEAccept.best_match()
  • multi-value test-client posts from a standard dictionary are nowsupported. Previously you had to use a multi dict.
  • rule templates properly work with submounts, subdomains andother rule factories now.
  • deprecated non-silent usage of the werkzeug.LimitedStream.
  • added support for IRI handling to many parts of Werkzeug.
  • development server properly logs to the werkzeug logger now.
  • added werkzeug.extract_path_info()
  • fixed a querystring quoting bug in url_fix()
  • added fallback_mimetype to werkzeug.SharedDataMiddleware.
  • deprecated BaseResponse.iter_encoded()’s charset parameter.
  • added BaseResponse.make_sequence(),BaseResponse.is_sequence andBaseResponse._ensure_sequence().
  • added better repr of werkzeug.Map
  • import_string accepts unicode strings as well now.
  • development server doesn’t break on double slashes after the host name.
  • better repr and str ofwerkzeug.exceptions.HTTPException
  • test client works correctly with multiple cookies now.
  • the werkzeug.routing.Map now has a class attribute withthe default converter mapping. This helps subclasses to overridethe converters without passing them to the constructor.
  • implemented OrderedMultiDict
  • improved the session support for more efficient session storingon the filesystem. Also added support for listing of sessionscurrently stored in the filesystem session store.
  • werkzeug no longer utilizes the Python time module for parsingwhich means that dates in a broader range can be parsed.
  • the wrappers have no class attributes that make it possible toswap out the dict and list types it uses.
  • werkzeug debugger should work on the appengine dev server now.
  • the URL builder supports dropping of unexpected arguments now.Previously they were always appended to the URL as query string.
  • profiler now writes to the correct stream.

Version 0.5.1

(bugfix release for 0.5, released on July 9th 2009)

  • fixed boolean check of FileStorage
  • url routing system properly supports unicode URL rules now.
  • file upload streams no longer have to provide a truncate()method.
  • implemented BaseRequest._form_parsing_failed().
  • fixed #394
  • ImmutableDict.copy(), ImmutableMultiDict.copy() andImmutableTypeConversionDict.copy() return mutable shallowcopies.
  • fixed a bug with the make_runserver script action.
  • MultiDict.items() and MutiDict.iteritems() now accept anargument to return a pair for each value of each key.
  • the multipart parser works better with hand-crafted multipartrequests now that have extra newlines added. This fixes a bugwith setuptools uploads not handled properly (#390)
  • fixed some minor bugs in the atom feed generator.
  • fixed a bug with client cookie header parsing being case sensitive.
  • fixed a not-working deprecation warning.
  • fixed package loading for SharedDataMiddleware.
  • fixed a bug in the secure cookie that made server-side expirationon servers with a local time that was not set to UTC impossible.
  • fixed console of the interactive debugger.

Version 0.5

Released on April 24th, codename Schlagbohrer.

  • requires Python 2.4 now
  • fixed a bug in IterIO
  • added MIMEAccept and CharsetAccept that work like theregular Accept but have extra special normalization for mimetypesand charsets and extra convenience methods.
  • switched the serving system from wsgiref to something homebrew.
  • the Client now supports cookies.
  • added the fixers module with variousfixes for webserver bugs and hosting setup side-effects.
  • added werkzeug.contrib.wrappers
  • added is_hop_by_hop_header()
  • added is_entity_header()
  • added remove_hop_by_hop_headers()
  • added pop_path_info()
  • added peek_path_info()
  • added wrap_file() and FileWrapper
  • moved LimitedStream from the contrib package into the regularwerkzeug one and changed the default behavior to raise exceptionsrather than stopping without warning. The old class will stick inthe module until 0.6.
  • implemented experimental multipart parser that replaces the old CGI hack.
  • added dump_options_header() and parse_options_header()
  • added quote_header_value() and unquote_header_value()
  • urlencode() and url_decode() now accept a separatorargument to switch between & and ;_ as pair separator. The magicswitch is no longer in place.
  • all form data parsing functions as well as the BaseRequestobject have parameters (or attributes) to limit the number ofincoming bytes (either totally or per field).
  • added LanguageAccept
  • request objects are now enforced to be read only for all collections.
  • added many new collection classes, refactored collections in general.
  • test support was refactored, semi-undocumented _werkzeug.test.File_was replaced by werkzeug.FileStorage.
  • EnvironBuilder was added and unifies the previous distinctcreate_environ(), Client andBaseRequest.from_values(). They all work the same now whichis less confusing.
  • officially documented imports from the internal modules as undefinedbehavior. These modules were never exposed as public interfaces.
  • removed FileStorage.len which previously made the objectfalsy for browsers not sending the content length which all browsersdo.
  • SharedDataMiddleware uses wrap_file now and has aconfigurable cache timeout.
  • added CommonRequestDescriptorsMixin
  • added CommonResponseDescriptorsMixin.mimetype_params
  • added werkzeug.contrib.lint
  • added passthrough_errors to run_simple.
  • added secure_filename
  • added make_line_iter()
  • MultiDict copies now instead of revealing internallists to the caller for getlist and iteration functions thatreturn lists.
  • added follow_redirect to the open() of Client.
  • added support for extra_files inmake_runserver()

Version 0.4.1

(Bugfix release, released on January 11th 2009)

  • werkzeug.contrib.cache.Memcached accepts now objects thatimplement the memcache.Client interface as alternative to a list ofstrings with server addresses.There is also now a GAEMemcachedCache that connects to the Googleappengine cache.
  • explicitly convert secret keys to bytestrings now because Python2.6 no longer does that.
  • url_encode and all interfaces that call it, support ordering ofoptions now which however is disabled by default.
  • the development server no longer resolves the addresses of clients.
  • Fixed a typo in werkzeug.test that broke File.
  • Map.bind_to_environ uses the Host header now if available.
  • Fixed BaseCache.get_dict (#345)
  • werkzeug.test.Client can now run the application buffered in whichcase the application is properly closed automatically.
  • Fixed Headers.set (#354). Caused header duplication before.
  • Fixed Headers.pop (#349). default parameter was not properlyhandled.
  • Fixed UnboundLocalError in create_environ (#351)
  • Headers is more compatible with wsgiref now.
  • Template.render accepts multidicts now.
  • dropped support for Python 2.3

Version 0.4

Released on November 23rd 2008, codename Schraubenzieher.

  • Client supports an empty data argument now.
  • fixed a bug in Response.application that made it impossible to use itas method decorator.
  • the session system should work on appengine now
  • the secure cookie works properly in load balanced environments withdifferent cpu architectures now.
  • CacheControl.no_cache and CacheControl.private behavior changed toreflect the possibilities of the HTTP RFC. Setting these attributes toNone or True now sets the value to “the empty value”.More details in the documentation.
  • fixed werkzeug.contrib.atom.AtomFeed.call. (#338)
  • BaseResponse.make_conditional now always returns self. Previouslyit didn’t for post requests and such.
  • fixed a bug in boolean attribute handling of html and xhtml.
  • added graceful error handling to the debugger pastebin feature.
  • added a more list like interface to Headers (slicing and indexingworks now)
  • fixed a bug with the setitem method of Headers that didn’tproperly remove all keys on replacing.
  • added remove_entity_headers which removes all entity headers froma list of headers (or a Headers object)
  • the responses now automatically call remove_entity_headers if thestatus code is 304.
  • fixed a bug with Href query parameter handling. Previously the lastitem of a call to Href was not handled properly if it was a dict.
  • headers now support a pop operation to better work with environproperties.

Version 0.3.1

(bugfix release, released on June 24th 2008)

  • fixed a security problem with werkzeug.contrib.SecureCookie.

Version 0.3

Released on June 14th 2008, codename EUR325CAT6.

  • added support for redirecting in url routing.
  • added Authorization and AuthorizationMixin
  • added WWWAuthenticate and WWWAuthenticateMixin
  • added parse_list_header
  • added parse_dict_header
  • added parse_authorization_header
  • added parse_www_authenticate_header
  • added _get_current_object method to LocalProxy objects
  • added parse_form_data
  • MultiDict, CombinedMultiDict, Headers, and EnvironHeaders raisespecial key errors now that are subclasses of BadRequest so if youdon’t catch them they give meaningful HTTP responses.
  • added support for alternative encoding error handling and the newHTTPUnicodeError which (if not caught) behaves like a BadRequest.
  • added BadRequest.wrap.
  • added ETag support to the SharedDataMiddleware and added an optionto disable caching.
  • fixed is_xhr on the request objects.
  • fixed error handling of the url adapter’s dispatch method. (#318)
  • fixed bug with SharedDataMiddleware.
  • fixed Accept.values.
  • EnvironHeaders contain content-type and content-length now
  • url_encode treats lists and tuples in dicts passed to it as multiplevalues for the same key so that one doesn’t have to pass a _MultiDict_to the function.
  • added validate_arguments
  • added BaseRequest.application
  • improved Python 2.3 support
  • run_simple accepts use_debugger and use_evalex parameters now,like the make_runserver factory function from the script module.
  • the environ_property is now read-only by default
  • it’s now possible to initialize requests as “shallow” requests whichcauses runtime errors if the request object tries to consume theinput stream.

Version 0.2

Released Feb 14th 2008, codename Faustkeil.

  • Added AnyConverter to the routing system.
  • Added werkzeug.contrib.securecookie
  • Exceptions have a get_response() method that return a response object
  • fixed the path ordering bug (#293), thanks Thomas Johansson
  • BaseReporterStream is now part of the werkzeug contrib module. FromWerkzeug 0.3 onwards you will have to import it from there.
  • added DispatcherMiddleware.
  • RequestRedirect is now a subclass of HTTPException and uses a301 status code instead of 302.
  • url_encode and url_decode can optionally treat keys as unicode stringsnow, too.
  • werkzeug.script has a different caller format for boolean arguments now.
  • renamed lazy_property to cached_property.
  • added import_string.
  • added is_* properties to request objects.
  • added empty() method to routing rules.
  • added werkzeug.contrib.profiler.
  • added extends to Headers.
  • added dump_cookie and parse_cookie.
  • added as_tuple to the Client.
  • added werkzeug.contrib.testtools.
  • added werkzeug.unescape
  • added BaseResponse.freeze
  • added werkzeug.contrib.atom
  • the HTTPExceptions accept an argument description now which overrides thedefault description.
  • the MapAdapter has a default for path info now. If you usebind_to_environ you don’t have to pass the path later.
  • the wsgiref subclass werkzeug uses for the dev server does not use directsys.stderr logging any more but a logger called “werkzeug”.
  • implemented Href.
  • implemented find_modules
  • refactored request and response objects into base objects, mixins andfull featured subclasses that implement all mixins.
  • added simple user agent parser
  • werkzeug’s routing raises MethodNotAllowed now if it matches arule but for a different method.
  • many fixes and small improvements

Version 0.1

Released on Dec 9th 2007, codename Wictorinoxger.

  • Initial release