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# wix.py - WiX installer functionality
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#
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# Copyright 2019 Gregory Szorc <gregory.szorc@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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# no-check-code because Python 3 native.
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import collections
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import os
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import pathlib
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import re
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import shutil
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import subprocess
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import typing
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import uuid
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import xml.dom.minidom
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from .downloads import download_entry
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from .py2exe import (
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build_py2exe,
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stage_install,
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)
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from .util import (
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extract_zip_to_directory,
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normalize_windows_version,
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process_install_rules,
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sign_with_signtool,
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)
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EXTRA_PACKAGES = {
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'dulwich',
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'distutils',
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'keyring',
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'pygments',
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'win32ctypes',
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}
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EXTRA_INSTALL_RULES = [
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('contrib/packaging/wix/COPYING.rtf', 'COPYING.rtf'),
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('contrib/win32/mercurial.ini', 'defaultrc/mercurial.rc'),
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]
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STAGING_REMOVE_FILES = [
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# We use the RTF variant.
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'copying.txt',
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]
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SHORTCUTS = {
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# hg.1.html'
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'hg.file.5d3e441c_28d9_5542_afd0_cdd4234f12d5': {
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'Name': 'Mercurial Command Reference',
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},
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# hgignore.5.html
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'hg.file.5757d8e0_f207_5e10_a2ec_3ba0a062f431': {
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'Name': 'Mercurial Ignore Files',
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},
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# hgrc.5.html
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'hg.file.92e605fd_1d1a_5dc6_9fc0_5d2998eb8f5e': {
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'Name': 'Mercurial Configuration Files',
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},
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}
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def find_version(source_dir: pathlib.Path):
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version_py = source_dir / 'mercurial' / '__version__.py'
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with version_py.open('r', encoding='utf-8') as fh:
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source = fh.read().strip()
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m = re.search('version = b"(.*)"', source)
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return m.group(1)
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def ensure_vc90_merge_modules(build_dir):
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x86 = (
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download_entry(
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'vc9-crt-x86-msm',
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build_dir,
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local_name='microsoft.vcxx.crt.x86_msm.msm',
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)[0],
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download_entry(
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'vc9-crt-x86-msm-policy',
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build_dir,
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local_name='policy.x.xx.microsoft.vcxx.crt.x86_msm.msm',
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)[0],
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)
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x64 = (
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download_entry(
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'vc9-crt-x64-msm',
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build_dir,
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local_name='microsoft.vcxx.crt.x64_msm.msm',
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)[0],
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download_entry(
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'vc9-crt-x64-msm-policy',
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build_dir,
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local_name='policy.x.xx.microsoft.vcxx.crt.x64_msm.msm',
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)[0],
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)
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return {
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'x86': x86,
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'x64': x64,
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}
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def run_candle(wix, cwd, wxs, source_dir, defines=None):
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args = [
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str(wix / 'candle.exe'),
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'-nologo',
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str(wxs),
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'-dSourceDir=%s' % source_dir,
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]
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if defines:
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args.extend('-d%s=%s' % define for define in sorted(defines.items()))
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subprocess.run(args, cwd=str(cwd), check=True)
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def make_post_build_signing_fn(
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name,
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subject_name=None,
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cert_path=None,
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cert_password=None,
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timestamp_url=None,
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):
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"""Create a callable that will use signtool to sign hg.exe."""
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def post_build_sign(source_dir, build_dir, dist_dir, version):
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description = '%s %s' % (name, version)
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sign_with_signtool(
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dist_dir / 'hg.exe',
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description,
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subject_name=subject_name,
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cert_path=cert_path,
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cert_password=cert_password,
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timestamp_url=timestamp_url,
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)
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return post_build_sign
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def make_files_xml(staging_dir: pathlib.Path, is_x64) -> str:
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"""Create XML string listing every file to be installed."""
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# We derive GUIDs from a deterministic file path identifier.
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# We shoehorn the name into something that looks like a URL because
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# the UUID namespaces are supposed to work that way (even though
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# the input data probably is never validated).
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doc = xml.dom.minidom.parseString(
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'<?xml version="1.0" encoding="utf-8"?>'
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'<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">'
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'</Wix>'
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)
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# Assemble the install layout by directory. This makes it easier to
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# emit XML, since each directory has separate entities.
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manifest = collections.defaultdict(dict)
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for root, dirs, files in os.walk(staging_dir):
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dirs.sort()
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root = pathlib.Path(root)
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rel_dir = root.relative_to(staging_dir)
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for i in range(len(rel_dir.parts)):
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parent = '/'.join(rel_dir.parts[0 : i + 1])
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manifest.setdefault(parent, {})
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for f in sorted(files):
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full = root / f
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manifest[str(rel_dir).replace('\\', '/')][full.name] = full
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component_groups = collections.defaultdict(list)
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# Now emit a <Fragment> for each directory.
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# Each directory is composed of a <DirectoryRef> pointing to its parent
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# and defines child <Directory>'s and a <Component> with all the files.
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for dir_name, entries in sorted(manifest.items()):
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# The directory id is derived from the path. But the root directory
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# is special.
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if dir_name == '.':
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parent_directory_id = 'INSTALLDIR'
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else:
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parent_directory_id = 'hg.dir.%s' % dir_name.replace('/', '.')
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fragment = doc.createElement('Fragment')
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directory_ref = doc.createElement('DirectoryRef')
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directory_ref.setAttribute('Id', parent_directory_id)
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# Add <Directory> entries for immediate children directories.
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for possible_child in sorted(manifest.keys()):
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if (
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dir_name == '.'
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and '/' not in possible_child
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and possible_child != '.'
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):
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child_directory_id = 'hg.dir.%s' % possible_child
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name = possible_child
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else:
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if not possible_child.startswith('%s/' % dir_name):
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continue
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name = possible_child[len(dir_name) + 1 :]
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if '/' in name:
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continue
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child_directory_id = 'hg.dir.%s' % possible_child.replace(
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'/', '.'
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)
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directory = doc.createElement('Directory')
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directory.setAttribute('Id', child_directory_id)
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directory.setAttribute('Name', name)
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directory_ref.appendChild(directory)
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# Add <Component>s for files in this directory.
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for rel, source_path in sorted(entries.items()):
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if dir_name == '.':
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full_rel = rel
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else:
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full_rel = '%s/%s' % (dir_name, rel)
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component_unique_id = (
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'https://www.mercurial-scm.org/wix-installer/0/component/%s'
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% full_rel
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)
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component_guid = uuid.uuid5(uuid.NAMESPACE_URL, component_unique_id)
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component_id = 'hg.component.%s' % str(component_guid).replace(
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'-', '_'
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)
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component = doc.createElement('Component')
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component.setAttribute('Id', component_id)
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component.setAttribute('Guid', str(component_guid).upper())
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component.setAttribute('Win64', 'yes' if is_x64 else 'no')
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# Assign this component to a top-level group.
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if dir_name == '.':
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component_groups['ROOT'].append(component_id)
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elif '/' in dir_name:
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component_groups[dir_name[0 : dir_name.index('/')]].append(
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component_id
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)
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else:
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component_groups[dir_name].append(component_id)
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unique_id = (
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'https://www.mercurial-scm.org/wix-installer/0/%s' % full_rel
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)
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file_guid = uuid.uuid5(uuid.NAMESPACE_URL, unique_id)
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# IDs have length limits. So use GUID to derive them.
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file_guid_normalized = str(file_guid).replace('-', '_')
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file_id = 'hg.file.%s' % file_guid_normalized
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file_element = doc.createElement('File')
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file_element.setAttribute('Id', file_id)
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file_element.setAttribute('Source', str(source_path))
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file_element.setAttribute('KeyPath', 'yes')
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file_element.setAttribute('ReadOnly', 'yes')
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component.appendChild(file_element)
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directory_ref.appendChild(component)
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fragment.appendChild(directory_ref)
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doc.documentElement.appendChild(fragment)
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for group, component_ids in sorted(component_groups.items()):
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fragment = doc.createElement('Fragment')
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component_group = doc.createElement('ComponentGroup')
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component_group.setAttribute('Id', 'hg.group.%s' % group)
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for component_id in component_ids:
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component_ref = doc.createElement('ComponentRef')
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component_ref.setAttribute('Id', component_id)
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component_group.appendChild(component_ref)
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fragment.appendChild(component_group)
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doc.documentElement.appendChild(fragment)
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# Add <Shortcut> to files that have it defined.
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for file_id, metadata in sorted(SHORTCUTS.items()):
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els = doc.getElementsByTagName('File')
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els = [el for el in els if el.getAttribute('Id') == file_id]
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if not els:
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raise Exception('could not find File[Id=%s]' % file_id)
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for el in els:
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shortcut = doc.createElement('Shortcut')
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shortcut.setAttribute('Id', 'hg.shortcut.%s' % file_id)
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shortcut.setAttribute('Directory', 'ProgramMenuDir')
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shortcut.setAttribute('Icon', 'hgIcon.ico')
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shortcut.setAttribute('IconIndex', '0')
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shortcut.setAttribute('Advertise', 'yes')
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for k, v in sorted(metadata.items()):
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shortcut.setAttribute(k, v)
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el.appendChild(shortcut)
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return doc.toprettyxml()
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def build_installer(
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source_dir: pathlib.Path,
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python_exe: pathlib.Path,
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msi_name='mercurial',
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version=None,
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post_build_fn=None,
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extra_packages_script=None,
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extra_wxs: typing.Optional[typing.Dict[str, str]] = None,
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extra_features: typing.Optional[typing.List[str]] = None,
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):
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"""Build a WiX MSI installer.
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``source_dir`` is the path to the Mercurial source tree to use.
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``arch`` is the target architecture. either ``x86`` or ``x64``.
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``python_exe`` is the path to the Python executable to use/bundle.
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``version`` is the Mercurial version string. If not defined,
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``mercurial/__version__.py`` will be consulted.
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``post_build_fn`` is a callable that will be called after building
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Mercurial but before invoking WiX. It can be used to e.g. facilitate
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signing. It is passed the paths to the Mercurial source, build, and
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dist directories and the resolved Mercurial version.
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``extra_packages_script`` is a command to be run to inject extra packages
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into the py2exe binary. It should stage packages into the virtualenv and
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print a null byte followed by a newline-separated list of packages that
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should be included in the exe.
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``extra_wxs`` is a dict of {wxs_name: working_dir_for_wxs_build}.
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``extra_features`` is a list of additional named Features to include in
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the build. These must match Feature names in one of the wxs scripts.
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"""
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arch = 'x64' if r'\x64' in os.environ.get('LIB', '') else 'x86'
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hg_build_dir = source_dir / 'build'
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dist_dir = source_dir / 'dist'
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wix_dir = source_dir / 'contrib' / 'packaging' / 'wix'
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requirements_txt = 'requirements_win32.txt'
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build_py2exe(
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source_dir,
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hg_build_dir,
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python_exe,
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'wix',
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requirements_txt,
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extra_packages=EXTRA_PACKAGES,
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extra_packages_script=extra_packages_script,
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)
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orig_version = version or find_version(source_dir)
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version = normalize_windows_version(orig_version)
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print('using version string: %s' % version)
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if version != orig_version:
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print('(normalized from: %s)' % orig_version)
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if post_build_fn:
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post_build_fn(source_dir, hg_build_dir, dist_dir, version)
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build_dir = hg_build_dir / ('wix-%s' % arch)
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staging_dir = build_dir / 'stage'
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build_dir.mkdir(exist_ok=True)
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# Purge the staging directory for every build so packaging is pristine.
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if staging_dir.exists():
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print('purging %s' % staging_dir)
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shutil.rmtree(staging_dir)
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stage_install(source_dir, staging_dir, lower_case=True)
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# We also install some extra files.
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process_install_rules(EXTRA_INSTALL_RULES, source_dir, staging_dir)
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# And remove some files we don't want.
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for f in STAGING_REMOVE_FILES:
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p = staging_dir / f
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if p.exists():
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print('removing %s' % p)
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p.unlink()
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wix_pkg, wix_entry = download_entry('wix', hg_build_dir)
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wix_path = hg_build_dir / ('wix-%s' % wix_entry['version'])
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if not wix_path.exists():
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extract_zip_to_directory(wix_pkg, wix_path)
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ensure_vc90_merge_modules(hg_build_dir)
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source_build_rel = pathlib.Path(os.path.relpath(source_dir, build_dir))
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defines = {'Platform': arch}
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# Derive a .wxs file with the staged files.
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manifest_wxs = build_dir / 'stage.wxs'
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with manifest_wxs.open('w', encoding='utf-8') as fh:
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fh.write(make_files_xml(staging_dir, is_x64=arch == 'x64'))
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run_candle(wix_path, build_dir, manifest_wxs, staging_dir, defines=defines)
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for source, rel_path in sorted((extra_wxs or {}).items()):
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run_candle(wix_path, build_dir, source, rel_path, defines=defines)
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source = wix_dir / 'mercurial.wxs'
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defines['Version'] = version
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defines['Comments'] = 'Installs Mercurial version %s' % version
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defines['VCRedistSrcDir'] = str(hg_build_dir)
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if extra_features:
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assert all(';' not in f for f in extra_features)
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defines['MercurialExtraFeatures'] = ';'.join(extra_features)
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run_candle(wix_path, build_dir, source, source_build_rel, defines=defines)
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msi_path = (
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source_dir / 'dist' / ('%s-%s-%s.msi' % (msi_name, orig_version, arch))
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)
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args = [
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str(wix_path / 'light.exe'),
|
|
|
'-nologo',
|
|
|
'-ext',
|
|
|
'WixUIExtension',
|
|
|
'-sw1076',
|
|
|
'-spdb',
|
|
|
'-o',
|
|
|
str(msi_path),
|
|
|
]
|
|
|
|
|
|
for source, rel_path in sorted((extra_wxs or {}).items()):
|
|
|
assert source.endswith('.wxs')
|
|
|
source = os.path.basename(source)
|
|
|
args.append(str(build_dir / ('%s.wixobj' % source[:-4])))
|
|
|
|
|
|
args.extend(
|
|
|
[str(build_dir / 'stage.wixobj'), str(build_dir / 'mercurial.wixobj'),]
|
|
|
)
|
|
|
|
|
|
subprocess.run(args, cwd=str(source_dir), check=True)
|
|
|
|
|
|
print('%s created' % msi_path)
|
|
|
|
|
|
return {
|
|
|
'msi_path': msi_path,
|
|
|
}
|
|
|
|
|
|
|
|
|
def build_signed_installer(
|
|
|
source_dir: pathlib.Path,
|
|
|
python_exe: pathlib.Path,
|
|
|
name: str,
|
|
|
version=None,
|
|
|
subject_name=None,
|
|
|
cert_path=None,
|
|
|
cert_password=None,
|
|
|
timestamp_url=None,
|
|
|
extra_packages_script=None,
|
|
|
extra_wxs=None,
|
|
|
extra_features=None,
|
|
|
):
|
|
|
"""Build an installer with signed executables."""
|
|
|
|
|
|
post_build_fn = make_post_build_signing_fn(
|
|
|
name,
|
|
|
subject_name=subject_name,
|
|
|
cert_path=cert_path,
|
|
|
cert_password=cert_password,
|
|
|
timestamp_url=timestamp_url,
|
|
|
)
|
|
|
|
|
|
info = build_installer(
|
|
|
source_dir,
|
|
|
python_exe=python_exe,
|
|
|
msi_name=name.lower(),
|
|
|
version=version,
|
|
|
post_build_fn=post_build_fn,
|
|
|
extra_packages_script=extra_packages_script,
|
|
|
extra_wxs=extra_wxs,
|
|
|
extra_features=extra_features,
|
|
|
)
|
|
|
|
|
|
description = '%s %s' % (name, version)
|
|
|
|
|
|
sign_with_signtool(
|
|
|
info['msi_path'],
|
|
|
description,
|
|
|
subject_name=subject_name,
|
|
|
cert_path=cert_path,
|
|
|
cert_password=cert_password,
|
|
|
timestamp_url=timestamp_url,
|
|
|
)
|
|
|
|
