cpython/Lib/distutils/command/sdist.py

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"""distutils.command.sdist
Implements the Distutils 'sdist' command (create a source distribution)."""
# This module should be kept compatible with Python 2.1.
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__revision__ = "$Id$"
import sys, os, string
from types import *
from glob import glob
from distutils.core import Command
from distutils import dir_util, dep_util, file_util, archive_util
from distutils.text_file import TextFile
from distutils.errors import *
from distutils.filelist import FileList
from distutils import log
def show_formats ():
"""Print all possible values for the 'formats' option (used by
the "--help-formats" command-line option).
"""
from distutils.fancy_getopt import FancyGetopt
from distutils.archive_util import ARCHIVE_FORMATS
formats=[]
for format in ARCHIVE_FORMATS.keys():
formats.append(("formats=" + format, None,
ARCHIVE_FORMATS[format][2]))
formats.sort()
pretty_printer = FancyGetopt(formats)
pretty_printer.print_help(
"List of available source distribution formats:")
class sdist (Command):
description = "create a source distribution (tarball, zip file, etc.)"
user_options = [
('template=', 't',
"name of manifest template file [default: MANIFEST.in]"),
('manifest=', 'm',
"name of manifest file [default: MANIFEST]"),
('use-defaults', None,
"include the default file set in the manifest "
"[default; disable with --no-defaults]"),
('no-defaults', None,
"don't include the default file set"),
('prune', None,
"specifically exclude files/directories that should not be "
"distributed (build tree, RCS/CVS dirs, etc.) "
"[default; disable with --no-prune]"),
('no-prune', None,
"don't automatically exclude anything"),
('manifest-only', 'o',
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"just regenerate the manifest and then stop "
"(implies --force-manifest)"),
('force-manifest', 'f',
"forcibly regenerate the manifest and carry on as usual"),
('formats=', None,
"formats for source distribution (comma-separated list)"),
('keep-temp', 'k',
"keep the distribution tree around after creating " +
"archive file(s)"),
('dist-dir=', 'd',
"directory to put the source distribution archive(s) in "
"[default: dist]"),
]
boolean_options = ['use-defaults', 'prune',
'manifest-only', 'force-manifest',
'keep-temp']
help_options = [
('help-formats', None,
"list available distribution formats", show_formats),
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]
negative_opt = {'no-defaults': 'use-defaults',
'no-prune': 'prune' }
default_format = { 'posix': 'gztar',
'nt': 'zip' }
def initialize_options (self):
# 'template' and 'manifest' are, respectively, the names of
# the manifest template and manifest file.
self.template = None
self.manifest = None
# 'use_defaults': if true, we will include the default file set
# in the manifest
self.use_defaults = 1
self.prune = 1
self.manifest_only = 0
self.force_manifest = 0
self.formats = None
self.keep_temp = 0
self.dist_dir = None
self.archive_files = None
def finalize_options (self):
if self.manifest is None:
self.manifest = "MANIFEST"
if self.template is None:
self.template = "MANIFEST.in"
self.ensure_string_list('formats')
if self.formats is None:
try:
self.formats = [self.default_format[os.name]]
except KeyError:
raise DistutilsPlatformError, \
"don't know how to create source distributions " + \
"on platform %s" % os.name
bad_format = archive_util.check_archive_formats(self.formats)
if bad_format:
raise DistutilsOptionError, \
"unknown archive format '%s'" % bad_format
if self.dist_dir is None:
self.dist_dir = "dist"
def run (self):
# 'filelist' contains the list of files that will make up the
# manifest
self.filelist = FileList()
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# Ensure that all required meta-data is given; warn if not (but
# don't die, it's not *that* serious!)
self.check_metadata()
# Do whatever it takes to get the list of files to process
# (process the manifest template, read an existing manifest,
# whatever). File list is accumulated in 'self.filelist'.
self.get_file_list()
# If user just wanted us to regenerate the manifest, stop now.
if self.manifest_only:
return
# Otherwise, go ahead and create the source distribution tarball,
# or zipfile, or whatever.
self.make_distribution()
def check_metadata (self):
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"""Ensure that all required elements of meta-data (name, version,
URL, (author and author_email) or (maintainer and
maintainer_email)) are supplied by the Distribution object; warn if
any are missing.
"""
metadata = self.distribution.metadata
missing = []
for attr in ('name', 'version', 'url'):
if not (hasattr(metadata, attr) and getattr(metadata, attr)):
missing.append(attr)
if missing:
self.warn("missing required meta-data: " +
string.join(missing, ", "))
if metadata.author:
if not metadata.author_email:
self.warn("missing meta-data: if 'author' supplied, " +
"'author_email' must be supplied too")
elif metadata.maintainer:
if not metadata.maintainer_email:
self.warn("missing meta-data: if 'maintainer' supplied, " +
"'maintainer_email' must be supplied too")
else:
self.warn("missing meta-data: either (author and author_email) " +
"or (maintainer and maintainer_email) " +
"must be supplied")
# check_metadata ()
def get_file_list (self):
"""Figure out the list of files to include in the source
distribution, and put it in 'self.filelist'. This might involve
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reading the manifest template (and writing the manifest), or just
reading the manifest, or just using the default file set -- it all
depends on the user's options and the state of the filesystem.
"""
# If we have a manifest template, see if it's newer than the
# manifest; if so, we'll regenerate the manifest.
template_exists = os.path.isfile(self.template)
if template_exists:
template_newer = dep_util.newer(self.template, self.manifest)
# The contents of the manifest file almost certainly depend on the
# setup script as well as the manifest template -- so if the setup
# script is newer than the manifest, we'll regenerate the manifest
# from the template. (Well, not quite: if we already have a
# manifest, but there's no template -- which will happen if the
# developer elects to generate a manifest some other way -- then we
# can't regenerate the manifest, so we don't.)
self.debug_print("checking if %s newer than %s" %
(self.distribution.script_name, self.manifest))
setup_newer = dep_util.newer(self.distribution.script_name,
self.manifest)
# cases:
# 1) no manifest, template exists: generate manifest
# (covered by 2a: no manifest == template newer)
# 2) manifest & template exist:
# 2a) template or setup script newer than manifest:
# regenerate manifest
# 2b) manifest newer than both:
# do nothing (unless --force or --manifest-only)
# 3) manifest exists, no template:
# do nothing (unless --force or --manifest-only)
# 4) no manifest, no template: generate w/ warning ("defaults only")
manifest_outofdate = (template_exists and
(template_newer or setup_newer))
force_regen = self.force_manifest or self.manifest_only
manifest_exists = os.path.isfile(self.manifest)
neither_exists = (not template_exists and not manifest_exists)
# Regenerate the manifest if necessary (or if explicitly told to)
if manifest_outofdate or neither_exists or force_regen:
if not template_exists:
self.warn(("manifest template '%s' does not exist " +
"(using default file list)") %
self.template)
self.filelist.findall()
if self.use_defaults:
self.add_defaults()
if template_exists:
self.read_template()
if self.prune:
self.prune_file_list()
self.filelist.sort()
self.filelist.remove_duplicates()
self.write_manifest()
# Don't regenerate the manifest, just read it in.
else:
self.read_manifest()
# get_file_list ()
def add_defaults (self):
"""Add all the default files to self.filelist:
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- README or README.txt
- setup.py
- test/test*.py
- all pure Python modules mentioned in setup script
- all C sources listed as part of extensions or C libraries
in the setup script (doesn't catch C headers!)
Warns if (README or README.txt) or setup.py are missing; everything
else is optional.
"""
standards = [('README', 'README.txt'), self.distribution.script_name]
for fn in standards:
if type(fn) is TupleType:
alts = fn
got_it = 0
for fn in alts:
if os.path.exists(fn):
got_it = 1
self.filelist.append(fn)
break
if not got_it:
self.warn("standard file not found: should have one of " +
string.join(alts, ', '))
else:
if os.path.exists(fn):
self.filelist.append(fn)
else:
self.warn("standard file '%s' not found" % fn)
optional = ['test/test*.py', 'setup.cfg']
for pattern in optional:
files = filter(os.path.isfile, glob(pattern))
if files:
self.filelist.extend(files)
if self.distribution.has_pure_modules():
build_py = self.get_finalized_command('build_py')
self.filelist.extend(build_py.get_source_files())
if self.distribution.has_ext_modules():
build_ext = self.get_finalized_command('build_ext')
self.filelist.extend(build_ext.get_source_files())
if self.distribution.has_c_libraries():
build_clib = self.get_finalized_command('build_clib')
self.filelist.extend(build_clib.get_source_files())
if self.distribution.has_scripts():
build_scripts = self.get_finalized_command('build_scripts')
self.filelist.extend(build_scripts.get_source_files())
# add_defaults ()
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def read_template (self):
"""Read and parse manifest template file named by self.template.
(usually "MANIFEST.in") The parsing and processing is done by
'self.filelist', which updates itself accordingly.
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"""
log.info("reading manifest template '%s'", self.template)
template = TextFile(self.template,
strip_comments=1,
skip_blanks=1,
join_lines=1,
lstrip_ws=1,
rstrip_ws=1,
collapse_join=1)
while 1:
line = template.readline()
if line is None: # end of file
break
try:
self.filelist.process_template_line(line)
except DistutilsTemplateError, msg:
self.warn("%s, line %d: %s" % (template.filename,
template.current_line,
msg))
# read_template ()
def prune_file_list (self):
"""Prune off branches that might slip into the file list as created
by 'read_template()', but really don't belong there:
* the build tree (typically "build")
* the release tree itself (only an issue if we ran "sdist"
previously with --keep-temp, or it aborted)
* any RCS, CVS and .svn directories
"""
build = self.get_finalized_command('build')
base_dir = self.distribution.get_fullname()
self.filelist.exclude_pattern(None, prefix=build.build_base)
self.filelist.exclude_pattern(None, prefix=base_dir)
self.filelist.exclude_pattern(r'/(RCS|CVS|\.svn)/.*', is_regex=1)
def write_manifest (self):
"""Write the file list in 'self.filelist' (presumably as filled in
by 'add_defaults()' and 'read_template()') to the manifest file
named by 'self.manifest'.
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"""
self.execute(file_util.write_file,
(self.manifest, self.filelist.files),
"writing manifest file '%s'" % self.manifest)
# write_manifest ()
def read_manifest (self):
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"""Read the manifest file (named by 'self.manifest') and use it to
fill in 'self.filelist', the list of files to include in the source
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distribution.
"""
log.info("reading manifest file '%s'", self.manifest)
manifest = open(self.manifest)
while 1:
line = manifest.readline()
if line == '': # end of file
break
if line[-1] == '\n':
line = line[0:-1]
self.filelist.append(line)
manifest.close()
# read_manifest ()
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def make_release_tree (self, base_dir, files):
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"""Create the directory tree that will become the source
distribution archive. All directories implied by the filenames in
'files' are created under 'base_dir', and then we hard link or copy
(if hard linking is unavailable) those files into place.
Essentially, this duplicates the developer's source tree, but in a
directory named after the distribution, containing only the files
to be distributed.
"""
# Create all the directories under 'base_dir' necessary to
# put 'files' there; the 'mkpath()' is just so we don't die
# if the manifest happens to be empty.
self.mkpath(base_dir)
dir_util.create_tree(base_dir, files, dry_run=self.dry_run)
# And walk over the list of files, either making a hard link (if
# os.link exists) to each one that doesn't already exist in its
# corresponding location under 'base_dir', or copying each file
# that's out-of-date in 'base_dir'. (Usually, all files will be
# out-of-date, because by default we blow away 'base_dir' when
# we're done making the distribution archives.)
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if hasattr(os, 'link'): # can make hard links on this system
link = 'hard'
msg = "making hard links in %s..." % base_dir
else: # nope, have to copy
link = None
msg = "copying files to %s..." % base_dir
if not files:
log.warn("no files to distribute -- empty manifest?")
else:
log.info(msg)
for file in files:
if not os.path.isfile(file):
log.warn("'%s' not a regular file -- skipping" % file)
else:
dest = os.path.join(base_dir, file)
self.copy_file(file, dest, link=link)
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self.distribution.metadata.write_pkg_info(base_dir)
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# make_release_tree ()
def make_distribution (self):
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"""Create the source distribution(s). First, we create the release
tree with 'make_release_tree()'; then, we create all required
archive files (according to 'self.formats') from the release tree.
Finally, we clean up by blowing away the release tree (unless
'self.keep_temp' is true). The list of archive files created is
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stored so it can be retrieved later by 'get_archive_files()'.
"""
# Don't warn about missing meta-data here -- should be (and is!)
# done elsewhere.
base_dir = self.distribution.get_fullname()
base_name = os.path.join(self.dist_dir, base_dir)
self.make_release_tree(base_dir, self.filelist.files)
archive_files = [] # remember names of files we create
for fmt in self.formats:
file = self.make_archive(base_name, fmt, base_dir=base_dir)
archive_files.append(file)
self.distribution.dist_files.append(('sdist', '', file))
self.archive_files = archive_files
if not self.keep_temp:
dir_util.remove_tree(base_dir, dry_run=self.dry_run)
def get_archive_files (self):
"""Return the list of archive files created when the command
was run, or None if the command hasn't run yet.
"""
return self.archive_files
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# class sdist