[game-data-packager] 09/11: launcher: add support for editing Unreal-style ini files before launch
Simon McVittie
smcv at debian.org
Wed Jan 13 00:06:52 UTC 2016
This is an automated email from the git hooks/post-receive script.
smcv pushed a commit to branch master
in repository game-data-packager.
commit 4300133af68cb96918448edb9cde6cf71a478cbf
Author: Simon McVittie <smcv at debian.org>
Date: Tue Jan 12 22:46:08 2016 +0000
launcher: add support for editing Unreal-style ini files before launch
Use it to edit the Path settings in Unreal, so they don't need a
symlink farm for files outside System. (Many of the files in System,
notably .int and .ini, specifically need to be in the current
working directory and are unaffected by the Paths mechanism.)
---
runtime/launch-unreal-gold.yaml.in | 33 +++++++--
runtime/launch-unreal.yaml.in | 34 ++++++++--
runtime/launcher.py | 133 +++++++++++++++++++++++++++++++++++++
3 files changed, 188 insertions(+), 12 deletions(-)
diff --git a/runtime/launch-unreal-gold.yaml.in b/runtime/launch-unreal-gold.yaml.in
index 9c6f46d..97460d1 100644
--- a/runtime/launch-unreal-gold.yaml.in
+++ b/runtime/launch-unreal-gold.yaml.in
@@ -15,13 +15,34 @@ working_directory: $${XDG_DATA_HOME}/unreal-gold/System
library_path: ["."]
argv: [./UnrealLinux.bin]
symlink_into_dot_directory:
- - Help
- - Maps
- - Meshes
- - Music
- - Sounds
- System
- - Textures
copy_into_dot_directory:
- System/*.ini
+edit_unreal_ini:
+ System/UnrealLinux.ini:
+ once:
+ # Debian Games Team policy: games start windowed
+ - section: SDLDrv.SDL
+ replace_key:
+ StartupFullscreen: "False"
+ always:
+ - section: Core.System
+ append_unique:
+ - Paths=/usr/lib/unreal-gold/Maps/*.unr
+ - Paths=/$assets/unreal-gold/Maps/*.unr
+ - Paths=/$assets/unreal/Maps/*.unr
+
+ - Paths=/usr/lib/unreal-gold/Textures/*.utx
+ - Paths=/$assets/unreal-gold/Textures/*.utx
+ - Paths=/$assets/unreal/Textures/*.utx
+ - Paths=/$assets/unreal-ut99-shared/Textures/*.utx
+
+ - Paths=/usr/lib/unreal-gold/Sounds/*.uax
+ - Paths=/$assets/unreal-gold/Sounds/*.uax
+ - Paths=/$assets/unreal/Sounds/*.uax
+ - Paths=/$assets/unreal-ut99-shared/Sounds/*.uax
+
+ - Paths=/usr/lib/unreal-gold/Music/*.umx
+ - Paths=/$assets/unreal-gold/Music/*.umx
+ - Paths=/$assets/unreal/Music/*.umx
...
diff --git a/runtime/launch-unreal.yaml.in b/runtime/launch-unreal.yaml.in
index f9532f8..39c8b50 100644
--- a/runtime/launch-unreal.yaml.in
+++ b/runtime/launch-unreal.yaml.in
@@ -14,13 +14,35 @@ working_directory: $${XDG_DATA_HOME}/unreal/System
library_path: ["."]
argv: [./UnrealLinux.bin]
symlink_into_dot_directory:
- - Help
- - Maps
- - Meshes
- - Music
- - Sounds
- System
- - Textures
copy_into_dot_directory:
- System/*.ini
+edit_unreal_ini:
+ System/UnrealLinux.ini:
+ once:
+ # Debian Games Team policy: games start windowed
+ - section: SDLDrv.SDL
+ replace: StartupFullscreen=False
+ always:
+ - section: Core.System
+ append_unique:
+ - Paths=/usr/lib/unreal-classic/System/*.u
+ - Paths=/$assets/unreal/System/*.u
+
+ - Paths=/usr/lib/unreal-classic/Maps/*.unr
+ - Paths=/$assets/unreal/Maps/*.unr
+
+ - Paths=/usr/lib/unreal-classic/Textures/*.utx
+ - Paths=/$assets/unreal/Textures/*.utx
+ - Paths=/$assets/unreal-ut99-shared/Textures/*.utx
+
+ - Paths=/usr/lib/unreal-classic/Sounds/*.uax
+ - Paths=/$assets/unreal/Sounds/*.uax
+ - Paths=/$assets/unreal-ut99-shared/Sounds/*.uax
+
+ - Paths=/usr/lib/unreal-classic/Music/*.umx
+ - Paths=/$assets/unreal/Music/*.umx
+
+ - Paths=/usr/lib/unreal-classic/Meshes/*.usm
+ - Paths=/$assets/unreal/Meshes/*.usm
...
diff --git a/runtime/launcher.py b/runtime/launcher.py
index 841b7ed..6b58e0b 100755
--- a/runtime/launcher.py
+++ b/runtime/launcher.py
@@ -79,6 +79,91 @@ def expand(path):
return os.path.expanduser(os.path.expandvars(path))
+class IniEditor:
+ def __init__(self, edits):
+ self.lines = []
+ self.edits = edits
+ self.__section = None
+ self.__section_lines = []
+ self.__sections = set()
+
+ def load(self, reader):
+ # Simple INI parser. Not using ConfigParser because Unreal
+ # uses duplicate keys within sections, and we want to preserve
+ # comments, blank lines etc.
+ self.__section = None
+ self.__section_lines = []
+ self.__sections = set()
+
+ for line in reader:
+ line = line.rstrip('\r\n')
+
+ if line.startswith('[') and line.endswith(']'):
+ self.__end_section()
+ self.__section = line[1:-1]
+
+ self.__section_lines.append(line)
+
+ self.__end_section()
+
+ for edit in self.edits:
+ if edit['section'] not in self.__sections:
+ self.__section = edit['section']
+ self.__section_lines = ['[%s]' % edit['section']]
+ self.__end_section()
+
+ def __end_section(self):
+ self.__sections.add(self.__section)
+
+ for edit in self.edits:
+ if edit['section'] != self.__section:
+ continue
+
+ extra_lines = []
+
+ for k, v in sorted(edit.get('replace_key', {}).items()):
+ self.__section_lines = [l for l in self.__section_lines
+ if not l.startswith(k + '=')]
+ extra_lines.append('%s=%s' % (k, v))
+
+ for pattern in sorted(edit.get('delete_matched', [])):
+ self.__section_lines = [l for l in self.__section_lines
+ if not fnmatch.fnmatchcase(l, pattern)]
+
+ for pattern in edit.get('comment_out_matched', []):
+ for i in range(len(self.__section_lines)):
+ if fnmatch.fnmatchcase(self.__section_lines[i], pattern):
+ self.__section_lines[i] = ';' + self.__section_lines[i]
+ self.__section_lines.insert(i, '; ' +
+ edit['comment_out_reason'])
+
+ for append in edit.get('append_unique', []):
+ for line in self.__section_lines:
+ if line == append:
+ break
+ else:
+ extra_lines.append(append)
+
+ i = len(self.__section_lines) - 1
+
+ while i >= 0:
+ if self.__section_lines[i]:
+ # _s_l[i] is the last non-empty line, insert after it
+ self.__section_lines[i + 1:i + 1] = extra_lines
+ break
+ i -= 1
+ else:
+ # no non-empty lines, insert after the section-opening heading
+ self.__section_lines[1:1] = extra_lines
+
+ self.lines.extend(self.__section_lines)
+ self.__section_lines = []
+ self.__section = None
+
+ def save(self, writer):
+ for line in self.lines:
+ print(line, file=writer)
+
class Launcher:
def __init__(self, argv=None):
name = os.path.basename(sys.argv[0])
@@ -298,6 +383,54 @@ class Launcher:
logger.info('Symlinking %s -> %s', f, target)
os.symlink(f, target)
+ for ini, details in self.data.get('edit_unreal_ini', {}).items():
+ target = os.path.join(self.dot_directory, ini)
+ encoding = details.get('encoding', 'windows-1252')
+
+ if os.path.exists(target):
+ first_time = False
+ try:
+ reader = open(target, encoding='utf-16')
+ reader.readline()
+ except:
+ reader = open(target, encoding=encoding)
+ else:
+ reader.seek(0)
+ else:
+ first_time = True
+
+ if os.path.lexists(target):
+ logger.info('Removing dangling symlink %s', target)
+ os.remove(target)
+
+ for base in self.base_directories:
+ source = os.path.join(base, ini)
+
+ if os.path.exists(source):
+ try:
+ reader = open(target, encoding='utf-16')
+ reader.readline()
+ except:
+ reader = open(target, encoding=encoding)
+ else:
+ reader.seek(0)
+ break
+ else:
+ raise AssertionError('Required file %s not found', ini)
+
+ if first_time and 'once' in details:
+ edits = details['once'] + details.get('always', [])
+ else:
+ edits = details.get('always', [])
+
+ editor = IniEditor(edits)
+
+ with reader:
+ editor.load(reader)
+
+ with open(target, 'w', encoding=encoding,
+ newline=details.get('newline', '\n')) as writer:
+ editor.save(writer)
if self.working_directory is not None:
os.chdir(self.working_directory)
--
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