mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Kenneth Reitz
314 lines
9.5 KiB
Python
314 lines
9.5 KiB
Python
from distutils.command.sdist import sdist as _sdist
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from distutils.util import convert_path
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from distutils import log
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import os, re, sys, pkg_resources
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from glob import glob
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READMES = ('README', 'README.rst', 'README.txt')
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entities = [
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("<","<"), (">", ">"), (""", '"'), ("'", "'"),
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("&", "&")
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]
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def unescape(data):
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for old,new in entities:
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data = data.replace(old,new)
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return data
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def re_finder(pattern, postproc=None):
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def find(dirname, filename):
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f = open(filename,'rU')
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data = f.read()
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f.close()
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for match in pattern.finditer(data):
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path = match.group(1)
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if postproc:
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path = postproc(path)
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yield joinpath(dirname,path)
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return find
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def joinpath(prefix,suffix):
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if not prefix:
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return suffix
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return os.path.join(prefix,suffix)
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def walk_revctrl(dirname=''):
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"""Find all files under revision control"""
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for ep in pkg_resources.iter_entry_points('setuptools.file_finders'):
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for item in ep.load()(dirname):
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yield item
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def _default_revctrl(dirname=''):
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for path, finder in finders:
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path = joinpath(dirname,path)
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if os.path.isfile(path):
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for path in finder(dirname,path):
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if os.path.isfile(path):
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yield path
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elif os.path.isdir(path):
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for item in _default_revctrl(path):
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yield item
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def externals_finder(dirname, filename):
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"""Find any 'svn:externals' directories"""
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found = False
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f = open(filename,'rt')
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for line in iter(f.readline, ''): # can't use direct iter!
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parts = line.split()
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if len(parts)==2:
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kind,length = parts
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data = f.read(int(length))
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if kind=='K' and data=='svn:externals':
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found = True
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elif kind=='V' and found:
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f.close()
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break
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else:
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f.close()
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return
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for line in data.splitlines():
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parts = line.split()
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if parts:
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yield joinpath(dirname, parts[0])
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entries_pattern = re.compile(r'name="([^"]+)"(?![^>]+deleted="true")', re.I)
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def entries_finder(dirname, filename):
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f = open(filename,'rU')
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data = f.read()
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f.close()
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if data.startswith('10') or data.startswith('9') or data.startswith('8'):
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for record in map(str.splitlines, data.split('\n\x0c\n')[1:]):
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# subversion 1.6/1.5/1.4
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if not record or len(record)>=6 and record[5]=="delete":
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continue # skip deleted
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yield joinpath(dirname, record[0])
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elif data.startswith('<?xml'):
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for match in entries_pattern.finditer(data):
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yield joinpath(dirname,unescape(match.group(1)))
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else:
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log.warn("unrecognized .svn/entries format in %s", os.path.abspath(dirname))
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finders = [
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(convert_path('CVS/Entries'),
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re_finder(re.compile(r"^\w?/([^/]+)/", re.M))),
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(convert_path('.svn/entries'), entries_finder),
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(convert_path('.svn/dir-props'), externals_finder),
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(convert_path('.svn/dir-prop-base'), externals_finder), # svn 1.4
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]
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class sdist(_sdist):
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"""Smart sdist that finds anything supported by revision control"""
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user_options = [
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('formats=', None,
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"formats for source distribution (comma-separated list)"),
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('keep-temp', 'k',
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"keep the distribution tree around after creating " +
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"archive file(s)"),
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('dist-dir=', 'd',
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"directory to put the source distribution archive(s) in "
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"[default: dist]"),
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]
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negative_opt = {}
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def run(self):
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self.run_command('egg_info')
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ei_cmd = self.get_finalized_command('egg_info')
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self.filelist = ei_cmd.filelist
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self.filelist.append(os.path.join(ei_cmd.egg_info,'SOURCES.txt'))
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self.check_readme()
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# Run sub commands
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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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# Call check_metadata only if no 'check' command
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# (distutils <= 2.6)
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import distutils.command
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if 'check' not in distutils.command.__all__:
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self.check_metadata()
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self.make_distribution()
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dist_files = getattr(self.distribution,'dist_files',[])
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for file in self.archive_files:
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data = ('sdist', '', file)
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if data not in dist_files:
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dist_files.append(data)
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def add_defaults(self):
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standards = [READMES,
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self.distribution.script_name]
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for fn in standards:
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if isinstance(fn, tuple):
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alts = fn
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got_it = 0
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for fn in alts:
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if os.path.exists(fn):
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got_it = 1
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self.filelist.append(fn)
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break
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if not got_it:
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self.warn("standard file not found: should have one of " +
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', '.join(alts))
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else:
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if os.path.exists(fn):
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self.filelist.append(fn)
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else:
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self.warn("standard file '%s' not found" % fn)
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optional = ['test/test*.py', 'setup.cfg']
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for pattern in optional:
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files = filter(os.path.isfile, glob(pattern))
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if files:
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self.filelist.extend(files)
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# getting python files
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if self.distribution.has_pure_modules():
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build_py = self.get_finalized_command('build_py')
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self.filelist.extend(build_py.get_source_files())
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# This functionality is incompatible with include_package_data, and
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# will in fact create an infinite recursion if include_package_data
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# is True. Use of include_package_data will imply that
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# distutils-style automatic handling of package_data is disabled
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if not self.distribution.include_package_data:
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for _, src_dir, _, filenames in build_py.data_files:
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self.filelist.extend([os.path.join(src_dir, filename)
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for filename in filenames])
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if self.distribution.has_ext_modules():
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build_ext = self.get_finalized_command('build_ext')
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self.filelist.extend(build_ext.get_source_files())
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if self.distribution.has_c_libraries():
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build_clib = self.get_finalized_command('build_clib')
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self.filelist.extend(build_clib.get_source_files())
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if self.distribution.has_scripts():
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build_scripts = self.get_finalized_command('build_scripts')
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self.filelist.extend(build_scripts.get_source_files())
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def __read_template_hack(self):
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# This grody hack closes the template file (MANIFEST.in) if an
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# exception occurs during read_template.
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# Doing so prevents an error when easy_install attempts to delete the
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# file.
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try:
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_sdist.read_template(self)
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except:
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sys.exc_info()[2].tb_next.tb_frame.f_locals['template'].close()
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raise
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# Beginning with Python 2.7.2, 3.1.4, and 3.2.1, this leaky file handle
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# has been fixed, so only override the method if we're using an earlier
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# Python.
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if (
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sys.version_info < (2,7,2)
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or (3,0) <= sys.version_info < (3,1,4)
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or (3,2) <= sys.version_info < (3,2,1)
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):
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read_template = __read_template_hack
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def check_readme(self):
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for f in READMES:
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if os.path.exists(f):
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return
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else:
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self.warn(
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"standard file not found: should have one of " +', '.join(READMES)
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)
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def make_release_tree(self, base_dir, files):
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_sdist.make_release_tree(self, base_dir, files)
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# Save any egg_info command line options used to create this sdist
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dest = os.path.join(base_dir, 'setup.cfg')
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if hasattr(os,'link') and os.path.exists(dest):
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# unlink and re-copy, since it might be hard-linked, and
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# we don't want to change the source version
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os.unlink(dest)
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self.copy_file('setup.cfg', dest)
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self.get_finalized_command('egg_info').save_version_info(dest)
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def _manifest_is_not_generated(self):
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# check for special comment used in 2.7.1 and higher
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if not os.path.isfile(self.manifest):
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return False
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fp = open(self.manifest, 'rbU')
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try:
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first_line = fp.readline()
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finally:
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fp.close()
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return first_line != '# file GENERATED by distutils, do NOT edit\n'.encode()
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def read_manifest(self):
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"""Read the manifest file (named by 'self.manifest') and use it to
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fill in 'self.filelist', the list of files to include in the source
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distribution.
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"""
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log.info("reading manifest file '%s'", self.manifest)
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manifest = open(self.manifest, 'rbU')
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for line in manifest:
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# The manifest must contain UTF-8. See #303.
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if sys.version_info >= (3,):
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try:
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line = line.decode('UTF-8')
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except UnicodeDecodeError:
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log.warn("%r not UTF-8 decodable -- skipping" % line)
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continue
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# ignore comments and blank lines
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line = line.strip()
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if line.startswith('#') or not line:
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continue
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self.filelist.append(line)
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manifest.close()
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#
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