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# inno.py - Inno Setup 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 os
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import pathlib
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import shutil
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import subprocess
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import jinja2
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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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find_vc_runtime_files,
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normalize_windows_version,
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read_version_py,
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)
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EXTRA_PACKAGES = {
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'dulwich',
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'keyring',
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'pygments',
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'win32ctypes',
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}
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PACKAGE_FILES_METADATA = {
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'ReadMe.html': 'Flags: isreadme',
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}
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def build(
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source_dir: pathlib.Path,
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build_dir: pathlib.Path,
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python_exe: pathlib.Path,
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iscc_exe: pathlib.Path,
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version=None,
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):
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"""Build the Inno installer.
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Build files will be placed in ``build_dir``.
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py2exe's setup.py doesn't use setuptools. It doesn't have modern logic
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for finding the Python 2.7 toolchain. So, we require the environment
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to already be configured with an active toolchain.
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"""
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if not iscc_exe.exists():
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raise Exception('%s does not exist' % iscc_exe)
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vc_x64 = r'\x64' in os.environ.get('LIB', '')
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arch = 'x64' if vc_x64 else 'x86'
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inno_source_dir = source_dir / 'contrib' / 'packaging' / 'inno'
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inno_build_dir = build_dir / ('inno-%s' % arch)
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staging_dir = inno_build_dir / 'stage'
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requirements_txt = (
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source_dir / 'contrib' / 'packaging' / 'inno' / 'requirements.txt'
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)
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inno_build_dir.mkdir(parents=True, exist_ok=True)
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build_py2exe(
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source_dir,
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build_dir,
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python_exe,
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'inno',
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requirements_txt,
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extra_packages=EXTRA_PACKAGES,
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)
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# Purge the staging directory for every build so packaging is
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# 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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# Now assemble all the packaged files into the staging directory.
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stage_install(source_dir, staging_dir)
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# hg.exe depends on VC9 runtime DLLs. Copy those into place.
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for f in find_vc_runtime_files(vc_x64):
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if f.name.endswith('.manifest'):
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basename = 'Microsoft.VC90.CRT.manifest'
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else:
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basename = f.name
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dest_path = staging_dir / basename
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print('copying %s to %s' % (f, dest_path))
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shutil.copyfile(f, dest_path)
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# The final package layout is simply a mirror of the staging directory.
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package_files = []
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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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for f in sorted(files):
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full = root / f
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rel = full.relative_to(staging_dir)
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if str(rel.parent) == '.':
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dest_dir = '{app}'
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else:
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dest_dir = '{app}\\%s' % rel.parent
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package_files.append(
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{
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'source': rel,
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'dest_dir': dest_dir,
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'metadata': PACKAGE_FILES_METADATA.get(str(rel), None),
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}
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)
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print('creating installer')
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# Install Inno files by rendering a template.
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jinja_env = jinja2.Environment(
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loader=jinja2.FileSystemLoader(str(inno_source_dir)),
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# Need to change these to prevent conflict with Inno Setup.
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comment_start_string='{##',
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comment_end_string='##}',
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)
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try:
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template = jinja_env.get_template('mercurial.iss')
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except jinja2.TemplateSyntaxError as e:
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raise Exception(
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'template syntax error at %s:%d: %s'
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% (e.name, e.lineno, e.message,)
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)
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content = template.render(package_files=package_files)
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with (inno_build_dir / 'mercurial.iss').open('w', encoding='utf-8') as fh:
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fh.write(content)
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# Copy additional files used by Inno.
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for p in ('mercurial.ico', 'postinstall.txt'):
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shutil.copyfile(
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source_dir / 'contrib' / 'win32' / p, inno_build_dir / p
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)
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args = [str(iscc_exe)]
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if vc_x64:
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args.append('/dARCH=x64')
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if not version:
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version = read_version_py(source_dir)
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args.append('/dVERSION=%s' % version)
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args.append('/dQUAD_VERSION=%s' % normalize_windows_version(version))
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args.append('/Odist')
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args.append(str(inno_build_dir / 'mercurial.iss'))
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subprocess.run(args, cwd=str(source_dir), check=True)
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