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