233 lines
9.3 KiB
Diff
233 lines
9.3 KiB
Diff
diff -Nur Python-3.4.1/Lib/ensurepip/__init__.py Python-3.4.1-rewheel/Lib/ensurepip/__init__.py
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--- Python-3.4.1/Lib/ensurepip/__init__.py 2014-08-21 10:49:30.792695824 +0200
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+++ Python-3.4.1-rewheel/Lib/ensurepip/__init__.py 2014-08-21 10:10:41.958341726 +0200
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@@ -1,8 +1,10 @@
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import os
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import os.path
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import pkgutil
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+import shutil
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import sys
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import tempfile
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+from ensurepip import rewheel
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__all__ = ["version", "bootstrap"]
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@@ -38,6 +40,8 @@
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# Install the bundled software
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import pip
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+ if args[0] in ["install", "list", "wheel"]:
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+ args.append('--pre')
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pip.main(args)
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@@ -87,20 +91,39 @@
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# omit pip and easy_install
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os.environ["ENSUREPIP_OPTIONS"] = "install"
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+ whls = []
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+ rewheel_dir = None
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+ # try to see if we have system-wide versions of _PROJECTS
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+ dep_records = rewheel.find_system_records([p[0] for p in _PROJECTS])
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+ # TODO: check if system-wide versions are the newest ones
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+ # if --upgrade is used?
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+ if all(dep_records):
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+ # if we have all _PROJECTS installed system-wide, we'll recreate
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+ # wheels from them and install those
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+ rewheel_dir = tempfile.TemporaryDirectory()
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+ for dr in dep_records:
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+ new_whl = rewheel.rewheel_from_record(dr, rewheel_dir.name)
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+ whls.append(os.path.join(rewheel_dir.name, new_whl))
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+ else:
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+ # if we don't have all the _PROJECTS installed system-wide,
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+ # let's just fall back to bundled wheels
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+ for project, version in _PROJECTS:
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+ whl = os.path.join(
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+ os.path.dirname(__file__),
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+ "_bundled",
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+ "{}-{}-py2.py3-none-any.whl".format(project, version)
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+ )
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+ whls.append(whl)
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+
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with tempfile.TemporaryDirectory() as tmpdir:
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# Put our bundled wheels into a temporary directory and construct the
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# additional paths that need added to sys.path
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additional_paths = []
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- for project, version in _PROJECTS:
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- wheel_name = "{}-{}-py2.py3-none-any.whl".format(project, version)
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- whl = pkgutil.get_data(
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- "ensurepip",
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- "_bundled/{}".format(wheel_name),
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- )
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- with open(os.path.join(tmpdir, wheel_name), "wb") as fp:
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- fp.write(whl)
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-
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- additional_paths.append(os.path.join(tmpdir, wheel_name))
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+ for whl in whls:
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+ shutil.copy(whl, tmpdir)
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+ additional_paths.append(os.path.join(tmpdir, os.path.basename(whl)))
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+ if rewheel_dir:
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+ rewheel_dir.cleanup()
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# Construct the arguments to be passed to the pip command
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args = ["install", "--no-index", "--find-links", tmpdir]
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diff -Nur Python-3.4.1/Lib/ensurepip/rewheel/__init__.py Python-3.4.1-rewheel/Lib/ensurepip/rewheel/__init__.py
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--- Python-3.4.1/Lib/ensurepip/rewheel/__init__.py 1970-01-01 01:00:00.000000000 +0100
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+++ Python-3.4.1-rewheel/Lib/ensurepip/rewheel/__init__.py 2014-08-21 10:11:22.560320121 +0200
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@@ -0,0 +1,143 @@
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+import argparse
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+import codecs
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+import csv
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+import email.parser
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+import os
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+import io
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+import re
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+import site
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+import subprocess
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+import sys
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+import zipfile
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+
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+def run():
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+ parser = argparse.ArgumentParser(description='Recreate wheel of package with given RECORD.')
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+ parser.add_argument('record_path',
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+ help='Path to RECORD file')
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+ parser.add_argument('-o', '--output-dir',
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+ help='Dir where to place the wheel, defaults to current working dir.',
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+ dest='outdir',
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+ default=os.path.curdir)
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+
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+ ns = parser.parse_args()
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+ retcode = 0
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+ try:
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+ print(rewheel_from_record(**vars(ns)))
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+ except BaseException as e:
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+ print('Failed: {}'.format(e))
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+ retcode = 1
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+ sys.exit(1)
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+
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+def find_system_records(projects):
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+ """Return list of paths to RECORD files for system-installed projects.
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+
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+ If a project is not installed, the resulting list contains None instead
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+ of a path to its RECORD
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+ """
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+ records = []
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+ # get system site-packages dirs
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+ sys_sitepack = site.getsitepackages([sys.base_prefix, sys.base_exec_prefix])
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+ sys_sitepack = [sp for sp in sys_sitepack if os.path.exists(sp)]
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+ # try to find all projects in all system site-packages
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+ for project in projects:
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+ path = None
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+ for sp in sys_sitepack:
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+ dist_info_re = os.path.join(sp, project) + r'-[^\{0}]+\.dist-info'.format(os.sep)
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+ candidates = [os.path.join(sp, p) for p in os.listdir(sp)]
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+ # filter out candidate dirs based on the above regexp
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+ filtered = [c for c in candidates if re.match(dist_info_re, c)]
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+ # if we have 0 or 2 or more dirs, something is wrong...
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+ if len(filtered) == 1:
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+ path = filtered[0]
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+ if path is not None:
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+ records.append(os.path.join(path, 'RECORD'))
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+ else:
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+ records.append(None)
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+ return records
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+
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+def rewheel_from_record(record_path, outdir):
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+ """Recreates a whee of package with given record_path and returns path
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+ to the newly created wheel."""
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+ site_dir = os.path.dirname(os.path.dirname(record_path))
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+ record_relpath = record_path[len(site_dir):].strip(os.path.sep)
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+ to_write, to_omit = get_records_to_pack(site_dir, record_relpath)
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+ new_wheel_name = get_wheel_name(record_path)
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+ new_wheel_path = os.path.join(outdir, new_wheel_name + '.whl')
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+
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+ new_wheel = zipfile.ZipFile(new_wheel_path, mode='w', compression=zipfile.ZIP_DEFLATED)
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+ # we need to write a new record with just the files that we will write,
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+ # e.g. not binaries and *.pyc/*.pyo files
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+ new_record = io.StringIO()
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+ writer = csv.writer(new_record)
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+
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+ # handle files that we can write straight away
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+ for f, sha_hash, size in to_write:
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+ new_wheel.write(os.path.join(site_dir, f), arcname=f)
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+ writer.writerow([f, sha_hash,size])
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+
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+ # rewrite the old wheel file with a new computed one
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+ writer.writerow([record_relpath, '', ''])
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+ new_wheel.writestr(record_relpath, new_record.getvalue())
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+
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+ new_wheel.close()
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+
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+ return new_wheel.filename
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+
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+def get_wheel_name(record_path):
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+ """Return proper name of the wheel, without .whl."""
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+
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+ wheel_info_path = os.path.join(os.path.dirname(record_path), 'WHEEL')
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+ with codecs.open(wheel_info_path, encoding='utf-8') as wheel_info_file:
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+ wheel_info = email.parser.Parser().parsestr(wheel_info_file.read())
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+
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+ metadata_path = os.path.join(os.path.dirname(record_path), 'METADATA')
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+ with codecs.open(metadata_path, encoding='utf-8') as metadata_file:
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+ metadata = email.parser.Parser().parsestr(metadata_file.read())
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+
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+ # construct name parts according to wheel spec
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+ distribution = metadata.get('Name')
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+ version = metadata.get('Version')
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+ build_tag = '' # nothing for now
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+ lang_tag = []
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+ for t in wheel_info.get_all('Tag'):
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+ lang_tag.append(t.split('-')[0])
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+ lang_tag = '.'.join(lang_tag)
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+ abi_tag, plat_tag = wheel_info.get('Tag').split('-')[1:3]
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+ # leave out build tag, if it is empty
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+ to_join = filter(None, [distribution, version, build_tag, lang_tag, abi_tag, plat_tag])
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+ return '-'.join(list(to_join))
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+
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+def get_records_to_pack(site_dir, record_relpath):
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+ """Accepts path of sitedir and path of RECORD file relative to it.
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+ Returns two lists:
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+ - list of files that can be written to new RECORD straight away
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+ - list of files that shouldn't be written or need some processing
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+ (pyc and pyo files, scripts)
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+ """
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+ record_file_path = os.path.join(site_dir, record_relpath)
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+ with codecs.open(record_file_path, encoding='utf-8') as record_file:
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+ record_contents = record_file.read()
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+ # temporary fix for https://github.com/pypa/pip/issues/1376
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+ # we need to ignore files under ".data" directory
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+ data_dir = os.path.dirname(record_relpath).strip(os.path.sep)
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+ data_dir = data_dir[:-len('dist-info')] + 'data'
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+
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+ to_write = []
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+ to_omit = []
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+ for l in record_contents.splitlines():
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+ spl = l.split(',')
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+ if len(spl) == 3:
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+ # new record will omit (or write differently):
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+ # - abs paths, paths with ".." (entry points),
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+ # - pyc+pyo files
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+ # - the old RECORD file
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+ # TODO: is there any better way to recognize an entry point?
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+ if os.path.isabs(spl[0]) or spl[0].startswith('..') or \
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+ spl[0].endswith('.pyc') or spl[0].endswith('.pyo') or \
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+ spl[0] == record_relpath or spl[0].startswith(data_dir):
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+ to_omit.append(spl)
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+ else:
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+ to_write.append(spl)
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+ else:
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+ pass # bad RECORD or empty line
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+ return to_write, to_omit
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diff -Nur Python-3.4.1/Makefile.pre.in Python-3.4.1-rewheel/Makefile.pre.in
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--- Python-3.4.1/Makefile.pre.in 2014-08-21 10:49:31.512695040 +0200
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+++ Python-3.4.1-rewheel/Makefile.pre.in 2014-08-21 10:10:41.961341722 +0200
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@@ -1145,7 +1145,7 @@
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test/test_asyncio \
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collections concurrent concurrent/futures encodings \
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email email/mime test/test_email test/test_email/data \
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- ensurepip ensurepip/_bundled \
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+ ensurepip ensurepip/_bundled ensurepip/rewheel \
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html json test/test_json http dbm xmlrpc \
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sqlite3 sqlite3/test \
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logging csv wsgiref urllib \
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