From: Zooko O'Whielacronx Date: Tue, 2 Oct 2007 20:19:07 +0000 (-0700) Subject: README: refactor README X-Git-Tag: allmydata-tahoe-0.6.1~65 X-Git-Url: https://git.rkrishnan.org/readonly?a=commitdiff_plain;h=bf8f3c297b1aab76899c9c5f4c6410cae76df1f5;p=tahoe-lafs%2Ftahoe-lafs.git README: refactor README fixes #163 hopefully fixes #148 -- but somebody else will have to try it (maybe Mike Booker) to find out! --- diff --git a/README b/README index 93e85efa..76482671 100644 --- a/README +++ b/README @@ -15,19 +15,6 @@ discussion: http://allmydata.org -LICENCE: - - This program is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your option) - any later version, with the added permission that, if you become obligated - to release a derived work under this licence (as per section 2.b), you may - delay the fulfillment of this obligation for up to 12 months. If you are - obligated to release code under section 2.b of this licence, you are - obligated to release it under these same terms, including the 12-month grace - period clause. See the COPYING file for details. - - GETTING PRECOMPILED BINARIES FOR DEBIAN-LIKE SYSTEMS: Pre-compiled binaries are available for Debian or Ubuntu. Please see the @@ -41,8 +28,13 @@ DEPENDENCIES: If you aren't getting a pre-compiled binary, then you'll have to ensure that the following packages are installed before you install Tahoe. -Note: All of the following dependencies can probably be installed through -your standard package management tool if you are running on a modern Unix +There are two kinds of dependencies, "manual dependencies" and +"easy_install-able dependencies". The latter kind are normally automatically +satisfied for you when you install Tahoe, but if something goes wrong, please +see the EASY_INSTALLABLE DEPENDENCIES section below. + +Note: All of the manual dependencies can probably be installed through your +standard package management tool if you are running on a modern Unix operating system. For example, on an debian-like system, you can do "sudo apt-get install gcc make python-dev python-twisted python-pyopenssl". @@ -69,10 +61,11 @@ apt-get install gcc make python-dev python-twisted python-pyopenssl". Twisted requires zope.interface, a copy of which is included in the Twisted distribution. Note that Twisted does *not* require the entire Zope distribution, merely the much smaller zope.interface component. - zope.interface is easy_install-able, so if you have Python and - easy_install installed then you can install zope.interface by running - "easy_install zope.interface". + + OpenSSL, including development headers (cryptography library) + + http://openssl.org + + Python PyOpenSSL (0.6 or later) (secure transport layer) http://pyopenssl.sourceforge.net @@ -88,73 +81,11 @@ apt-get install gcc make python-dev python-twisted python-pyopenssl". libraries with the cygwin package management tool, then get the pyOpenSSL source code, cd into it, and run "python ./setup.py install". - + OpenSSL (cryptography library) - - http://openssl.org - - + the pywin32 package; required only on Windows + + the pywin32 package (210 or later); required only on native Windows (not + required on cygwin) http://sourceforge.net/projects/pywin32/ - (Tested with build 210, and known to not work with build 204. - Feedback with details of other builds is greatly appreciated.) - - -In addition, the following Python packages are required, but they will -normally be automatically installed as a side effect of installing Tahoe. - - + Python setuptools (build and distribution tool) - - Note: The build process will automatically download and install setuptools - if it is not present. However, if an old, incompatible version of - setuptools is present (< v0.6c6 on Cygwin, or < v0.6a9 on other - platforms), then the build will fail. - - So if the build fails due to your current version of setuptools being - incompatible, you can either upgrade or uninstall your version of - setuptools and try again. - - http://peak.telecommunity.com/DevCenter/EasyInstall#installation-instructions - - + zfec (erasure coding library) - - http://cheeseshop.python.org/pypi/zfec - - zfec is packaged in a setuptools-compatible way and included in the Python - Package Index (PyPI), so it will be automatically installed when you - install Tahoe (see INSTALLING). It can be manually installed by running - "easy_install zfec". - - + Python foolscap (secure remote object library) - - http://cheeseshop.python.org/pypi/foolscap - - foolscape is packaged in a setuptools-compatible way and included in the - Python Package Index (PyPI), so it will be automatically installed when - you install Tahoe (see INSTALLING). It can be manually installed by - running "easy_install foolscap". - - + Python simplejson (JSON parser) - - http://cheeseshop.python.org/pypi/simplejson - - simplejson is packaged in a setuptools-compatible way and included in the - Python Package Index (PyPI), so it will be automatically installed when - you install Tahoe (see INSTALLING). It can be manually installed by - running "easy_install simplejson". - - + Python Nevow (0.6.0 or later) (web presentation language) - - http://divmod.org/trac/wiki/DivmodNevow - - Note that the current version of Nevow (0.9.18) requires Twisted 2.4.0 or - later. - - Nevow is packaged in a setuptools-compatible way and included in the - Python Package Index (PyPI), so it will be automatically installed when - you install Tahoe (see INSTALLING). It can be manually installed by - running "easy_install nevow". - GETTING THE SOURCE CODE: @@ -179,22 +110,8 @@ http://allmydata.org/source/tahoe/ INSTALLING: -There are four ways to do it: The Setuptools Way, The easy_install -Way, The Running-In-Place Way, and The Debian Way. Choose one: - - The Setuptools Way: - - Get the source code (see above). - - Run 'python setup.py install'. This will compile and install the Tahoe code - to the standard location for your operating system (on unix, that is - somewhere inside /usr/lib/). It will also acquire and install the - easy_install-able dependencies (zfec, foolscap, simplejson, and nevow) to - the same place. - - To install it to a non-standard location, learn about setuptools's - "--single-version-externally-managed" flag, and visit - http://allmydata.org/trac/tahoe/wiki/SetuptoolsAndGNUStow . +There are four ways to do it: The easy_install Way, The Setuptools Way, The +Running-In-Place Way, and The Debian Way. Choose one: The easy_install Way: @@ -205,24 +122,40 @@ Way, The Running-In-Place Way, and The Debian Way. Choose one: 'easy_install allmydata-tahoe' from any shell. That will download the most recent Tahoe source tarball, unpack it in a temporary directory, install it to the standard location, then download and install any easy_install-able - dependencies that you need (zfec, foolscap, simplejson, and nevow). (This - will work only if you already have the other -- - non-easy_install-able -- dependencies.) + dependencies that you need (setuptools, zfec, foolscap, simplejson, and + nevow). (This will work only if you already have the dependencies listed + in the MANUAL DEPENDENCIES section, above.) - The Running-In-Place Way: + The Setuptools Way: Get the source code (see above). - You can use Tahoe without installing it. Build it by running "make". Once - you've built it then you can execute "./bin/allmydata-tahoe". (When the - allmydata-tahoe script is in an Tahoe source distribution, it adds the - necessary directory to the Python "sys.path".) + Run 'python setup.py install'. This will compile and install the Tahoe code + to the standard location for your operating system (on unix, that is + somewhere inside /usr/lib/). It will also acquire and install the + easy_install-able dependencies (setuptools, zfec, foolscap, simplejson, and + nevow) to the same place. + + (To install it to a non-standard location, see + http://allmydata.org/trac/tahoe/wiki/SetuptoolsAndGNUStow .) + + The Running-In-Place Way: + + You can use Tahoe without installing it. The steps are these: - If you do not already have installed the easy_install-able dependencies - (zfec, foolscap, simplejson, and nevow) then you can install them into a - local subdirectory of the Tahoe source distribution by executing "make - build-deps". (The allmydata-tahoe script will discover them and add them to - the "sys.path".) + 1. Get the source code (see above). + + 2. Run "make build-deps" to install the easy_install-able dependencies + (setuptools, zfec, foolscap, simplejson, and nevow) into a local + subdirectory of the Tahoe source distribution. + + 3. Build Tahoe by running "make". + + 4. Once you've built it then you can execute "./bin/allmydata-tahoe". (When + the allmydata-tahoe script is in a Tahoe source distribution, it adds + the necessary directory to the Python "sys.path". It also looks for any + dependencies that you installed by "make build-deps" and includes them + in the sys.path.) See the RUNNING section, below. The Debian Way: @@ -231,7 +164,7 @@ Way, The Running-In-Place Way, and The Debian Way. Choose one: This requires certain debian packages (build-essential, fakeroot, devscripts, debhelper, cdbs) to be installed first, since they are used to - construct the tahoe .deb files. A full list of these required packages can + construct the Tahoe .deb files. A full list of these required packages can be found in the "Build-Depends" line in the misc/DIST/debian/control in the top-level tahoe directory (replacing the word DIST with etch, dapper, edgy, or feisty as appropriate). @@ -246,12 +179,12 @@ Way, The Running-In-Place Way, and The Debian Way. Choose one: TESTING THAT IT IS PROPERLY INSTALLED + 'make check-deps' checks that all of the required Python package + dependencies are installed. + 'make test' runs the unit test suites. (This can take a long time on slow computers. There are a lot of tests and some of them do a lot of - public-key cryptography.) If all tests pass, then you have all the - dependencies installed, either because they are installed into your system - or because they are installed into a local subdirectory because you ran - "make build-deps" (see "The Running-In-Place Way", above). + public-key cryptography.) Executing the allmydata-tahoe script from the "bin" subdirectory will work only if Tahoe itself is installed, either because it is installed into the @@ -326,3 +259,74 @@ RUNNING: There is a public grid available for testing. See http://allmydata.org/trac/tahoe/wiki/TestGrid for the necessary .furl files. + + +LICENCE: + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version, with the added permission that, if you become obligated + to release a derived work under this licence (as per section 2.b), you may + delay the fulfillment of this obligation for up to 12 months. If you are + obligated to release code under section 2.b of this licence, you are + obligated to release it under these same terms, including the 12-month grace + period clause. See the COPYING file for details. + + +EASY_INSTALLABLE DEPENDENCIES + +The following Python packages are required, but normally they are +automatically installed as a side-effect of installing Tahoe. + + + Python setuptools (build and distribution tool) + + http://peak.telecommunity.com/DevCenter/EasyInstall#installation-instructions + + The Tahoe install process will automatically download and install + setuptools if it is not present. However, if an old, incompatible version + of setuptools is present (< v0.6c6 on Cygwin, or < v0.6a9 on other + platforms), then the install will fail. + + If the install fails due to your current version of setuptools being + incompatible, please either upgrade or uninstall your version of + setuptools and re-run the install. + + + zfec (erasure coding library) + + http://cheeseshop.python.org/pypi/zfec + + zfec is packaged in a setuptools-compatible way and included in the Python + Package Index (PyPI), so it will be automatically installed when you + install Tahoe (see INSTALLING). It can be manually installed by running + "easy_install zfec". + + + Python foolscap (secure remote object library) + + http://cheeseshop.python.org/pypi/foolscap + + foolscape is packaged in a setuptools-compatible way and included in the + Python Package Index (PyPI), so it will be automatically installed when + you install Tahoe (see INSTALLING). It can be manually installed by + running "easy_install foolscap". + + + Python simplejson (JSON parser) + + http://cheeseshop.python.org/pypi/simplejson + + simplejson is packaged in a setuptools-compatible way and included in the + Python Package Index (PyPI), so it will be automatically installed when + you install Tahoe (see INSTALLING). It can be manually installed by + running "easy_install simplejson". + + + Python Nevow (0.6.0 or later) (web presentation language) + + http://divmod.org/trac/wiki/DivmodNevow + + Note that the current version of Nevow (0.9.18) requires Twisted 2.4.0 or + later. + + Nevow is packaged in a setuptools-compatible way and included in the + Python Package Index (PyPI), so it will be automatically installed when + you install Tahoe (see INSTALLING). It can be manually installed by + running "easy_install nevow".