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# encoding: utf-8
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"""
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This module defines the things that are used in setup.py for building IPython
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This includes:
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* The basic arguments to setup
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* Functions for finding things like packages, package data, etc.
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* A function for checking dependencies.
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"""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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import os
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import re
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import sys
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from glob import glob
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from logging import log
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from setuptools import Command
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from setuptools.command.build_py import build_py
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# TODO: Replacement for this?
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from distutils.command.build_scripts import build_scripts
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from setuptools.command.install import install
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from setuptools.command.install_scripts import install_scripts
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from setupext import install_data_ext
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#-------------------------------------------------------------------------------
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# Useful globals and utility functions
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#-------------------------------------------------------------------------------
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# A few handy globals
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isfile = os.path.isfile
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pjoin = os.path.join
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repo_root = os.path.dirname(os.path.abspath(__file__))
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def execfile(fname, globs, locs=None):
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locs = locs or globs
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with open(fname) as f:
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exec(compile(f.read(), fname, "exec"), globs, locs)
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# A little utility we'll need below, since glob() does NOT allow you to do
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# exclusion on multiple endings!
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def file_doesnt_endwith(test,endings):
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"""Return true if test is a file and its name does NOT end with any
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of the strings listed in endings."""
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if not isfile(test):
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return False
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for e in endings:
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if test.endswith(e):
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return False
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return True
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#---------------------------------------------------------------------------
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# Basic project information
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#---------------------------------------------------------------------------
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# release.py contains version, authors, license, url, keywords, etc.
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execfile(pjoin(repo_root, 'IPython','core','release.py'), globals())
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# Create a dict with the basic information
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# This dict is eventually passed to setup after additional keys are added.
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setup_args = dict(
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name = name,
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version = version,
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description = description,
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long_description = long_description,
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author = author,
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author_email = author_email,
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url = url,
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license = license,
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platforms = platforms,
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keywords = keywords,
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classifiers = classifiers,
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cmdclass = {'install_data': install_data_ext},
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project_urls={
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'Documentation': 'https://ipython.readthedocs.io/',
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'Funding' : 'https://numfocus.org/',
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'Source' : 'https://github.com/ipython/ipython',
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'Tracker' : 'https://github.com/ipython/ipython/issues',
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}
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)
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#---------------------------------------------------------------------------
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# Find packages
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#---------------------------------------------------------------------------
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def find_packages():
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"""
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Find all of IPython's packages.
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"""
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excludes = ['deathrow', 'quarantine']
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packages = []
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for directory, subdirs,files in os.walk('IPython'):
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package = directory.replace(os.path.sep, '.')
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if any(package.startswith('IPython.'+exc) for exc in excludes):
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# package is to be excluded (e.g. deathrow)
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continue
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if '__init__.py' not in files:
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# not a package
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continue
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packages.append(package)
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return packages
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#---------------------------------------------------------------------------
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# Find package data
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#---------------------------------------------------------------------------
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def find_package_data():
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"""
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Find IPython's package_data.
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"""
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# This is not enough for these things to appear in an sdist.
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# We need to muck with the MANIFEST to get this to work
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package_data = {
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'IPython.core' : ['profile/README*'],
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'IPython.core.tests' : ['*.png', '*.jpg', 'daft_extension/*.py'],
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'IPython.lib.tests' : ['*.wav'],
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'IPython.testing.plugin' : ['*.txt'],
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}
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return package_data
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def check_package_data(package_data):
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"""verify that package_data globs make sense"""
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print("checking package data")
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for pkg, data in package_data.items():
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pkg_root = pjoin(*pkg.split('.'))
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for d in data:
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path = pjoin(pkg_root, d)
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if '*' in path:
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assert len(glob(path)) > 0, "No files match pattern %s" % path
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else:
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assert os.path.exists(path), "Missing package data: %s" % path
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def check_package_data_first(command):
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"""decorator for checking package_data before running a given command
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Probably only needs to wrap build_py
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"""
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class DecoratedCommand(command):
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def run(self):
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check_package_data(self.package_data)
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command.run(self)
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return DecoratedCommand
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#---------------------------------------------------------------------------
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# Find data files
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#---------------------------------------------------------------------------
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def find_data_files():
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"""
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Find IPython's data_files.
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Just man pages at this point.
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"""
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if "freebsd" in sys.platform:
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manpagebase = pjoin('man', 'man1')
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else:
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manpagebase = pjoin('share', 'man', 'man1')
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# Simple file lists can be made by hand
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manpages = [f for f in glob(pjoin('docs','man','*.1.gz')) if isfile(f)]
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if not manpages:
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# When running from a source tree, the manpages aren't gzipped
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manpages = [f for f in glob(pjoin('docs','man','*.1')) if isfile(f)]
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# And assemble the entire output list
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data_files = [ (manpagebase, manpages) ]
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return data_files
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# The two functions below are copied from IPython.utils.path, so we don't need
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# to import IPython during setup, which fails on Python 3.
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def target_outdated(target,deps):
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"""Determine whether a target is out of date.
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target_outdated(target,deps) -> 1/0
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deps: list of filenames which MUST exist.
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target: single filename which may or may not exist.
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If target doesn't exist or is older than any file listed in deps, return
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true, otherwise return false.
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"""
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try:
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target_time = os.path.getmtime(target)
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except os.error:
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return 1
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for dep in deps:
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dep_time = os.path.getmtime(dep)
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if dep_time > target_time:
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#print "For target",target,"Dep failed:",dep # dbg
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#print "times (dep,tar):",dep_time,target_time # dbg
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return 1
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return 0
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def target_update(target,deps,cmd):
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"""Update a target with a given command given a list of dependencies.
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target_update(target,deps,cmd) -> runs cmd if target is outdated.
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This is just a wrapper around target_outdated() which calls the given
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command if target is outdated."""
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if target_outdated(target,deps):
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os.system(cmd)
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#---------------------------------------------------------------------------
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# Find scripts
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#---------------------------------------------------------------------------
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def find_entry_points():
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"""Defines the command line entry points for IPython
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This always uses setuptools-style entry points. When setuptools is not in
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use, our own build_scripts_entrypt class below parses these and builds
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command line scripts.
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Each of our entry points gets both a plain name, e.g. ipython, and one
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suffixed with the Python major version number, e.g. ipython3.
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"""
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ep = [
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'ipython%s = IPython:start_ipython',
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'iptest%s = IPython.testing.iptestcontroller:main',
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]
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suffix = str(sys.version_info[0])
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return [e % '' for e in ep] + [e % suffix for e in ep]
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script_src = """#!{executable}
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# This script was automatically generated by setup.py
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if __name__ == '__main__':
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from {mod} import {func}
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{func}()
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"""
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class build_scripts_entrypt(build_scripts):
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"""Build the command line scripts
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Parse setuptools style entry points and write simple scripts to run the
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target functions.
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On Windows, this also creates .cmd wrappers for the scripts so that you can
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easily launch them from a command line.
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"""
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def run(self):
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self.mkpath(self.build_dir)
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outfiles = []
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for script in find_entry_points():
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name, entrypt = script.split('=')
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name = name.strip()
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entrypt = entrypt.strip()
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outfile = os.path.join(self.build_dir, name)
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outfiles.append(outfile)
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print('Writing script to', outfile)
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mod, func = entrypt.split(':')
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with open(outfile, 'w') as f:
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f.write(script_src.format(executable=sys.executable,
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mod=mod, func=func))
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if sys.platform == 'win32':
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# Write .cmd wrappers for Windows so 'ipython' etc. work at the
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# command line
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cmd_file = os.path.join(self.build_dir, name + '.cmd')
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cmd = r'@"{python}" "%~dp0\{script}" %*\r\n'.format(
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python=sys.executable, script=name)
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log.info("Writing %s wrapper script" % cmd_file)
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with open(cmd_file, 'w') as f:
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f.write(cmd)
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return outfiles, outfiles
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class install_lib_symlink(Command):
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user_options = [
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('install-dir=', 'd', "directory to install to"),
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]
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def initialize_options(self):
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self.install_dir = None
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def finalize_options(self):
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self.set_undefined_options('symlink',
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('install_lib', 'install_dir'),
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)
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def run(self):
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if sys.platform == 'win32':
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raise Exception("This doesn't work on Windows.")
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pkg = os.path.join(os.getcwd(), 'IPython')
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dest = os.path.join(self.install_dir, 'IPython')
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if os.path.islink(dest):
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print('removing existing symlink at %s' % dest)
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os.unlink(dest)
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print('symlinking %s -> %s' % (pkg, dest))
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os.symlink(pkg, dest)
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class unsymlink(install):
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def run(self):
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dest = os.path.join(self.install_lib, 'IPython')
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if os.path.islink(dest):
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print('removing symlink at %s' % dest)
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os.unlink(dest)
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else:
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print('No symlink exists at %s' % dest)
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class install_symlinked(install):
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def run(self):
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if sys.platform == 'win32':
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raise Exception("This doesn't work on Windows.")
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# Run all sub-commands (at least those that need to be run)
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for cmd_name in self.get_sub_commands():
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self.run_command(cmd_name)
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# 'sub_commands': a list of commands this command might have to run to
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# get its work done. See cmd.py for more info.
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sub_commands = [('install_lib_symlink', lambda self:True),
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('install_scripts_sym', lambda self:True),
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]
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class install_scripts_for_symlink(install_scripts):
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"""Redefined to get options from 'symlink' instead of 'install'.
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I love distutils almost as much as I love setuptools.
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"""
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def finalize_options(self):
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self.set_undefined_options('build', ('build_scripts', 'build_dir'))
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self.set_undefined_options('symlink',
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('install_scripts', 'install_dir'),
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('force', 'force'),
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('skip_build', 'skip_build'),
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)
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#---------------------------------------------------------------------------
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# VCS related
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#---------------------------------------------------------------------------
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def git_prebuild(pkg_dir, build_cmd=build_py):
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"""Return extended build or sdist command class for recording commit
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records git commit in IPython.utils._sysinfo.commit
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for use in IPython.utils.sysinfo.sys_info() calls after installation.
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"""
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class MyBuildPy(build_cmd):
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''' Subclass to write commit data into installation tree '''
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def run(self):
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# loose as `.dev` is suppose to be invalid
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print("check version number")
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loose_pep440re = re.compile(r'^(\d+)\.(\d+)\.(\d+((a|b|rc)\d+)?)(\.post\d+)?(\.dev\d*)?$')
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if not loose_pep440re.match(version):
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raise ValueError("Version number '%s' is not valid (should match [N!]N(.N)*[{a|b|rc}N][.postN][.devN])" % version)
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build_cmd.run(self)
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# this one will only fire for build commands
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if hasattr(self, 'build_lib'):
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self._record_commit(self.build_lib)
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def make_release_tree(self, base_dir, files):
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# this one will fire for sdist
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build_cmd.make_release_tree(self, base_dir, files)
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self._record_commit(base_dir)
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def _record_commit(self, base_dir):
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import subprocess
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proc = subprocess.Popen('git rev-parse --short HEAD',
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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shell=True)
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repo_commit, _ = proc.communicate()
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repo_commit = repo_commit.strip().decode("ascii")
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out_pth = pjoin(base_dir, pkg_dir, 'utils', '_sysinfo.py')
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if os.path.isfile(out_pth) and not repo_commit:
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# nothing to write, don't clobber
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return
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print("writing git commit '%s' to %s" % (repo_commit, out_pth))
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# remove to avoid overwriting original via hard link
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try:
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os.remove(out_pth)
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except (IOError, OSError):
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pass
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with open(out_pth, 'w') as out_file:
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out_file.writelines([
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'# GENERATED BY setup.py\n',
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'commit = u"%s"\n' % repo_commit,
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])
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return MyBuildPy
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