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SCons: Drop support for Python 2

Browse Source 
We now require SCons 3.0+ (first version with Python 3 support),
and we set min required Python 3 version to 3.5 (3.4 and earlier are
EOL).
This commit is contained in:
Rémi Verschelde 2020-03-25 14:36:03 +01:00
parent 35e700e931
commit 3d2dd79ecd
14 changed files with 61 additions and 133 deletions
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5
SConstruct
View File

@ -1,6 +1,7 @@
#!/usr/bin/env python
EnsureSConsVersion(0, 98, 1)
EnsureSConsVersion(3, 0, 0)
EnsurePythonVersion(3, 5)
# System
import glob
@ -13,7 +14,7 @@ import methods
import gles_builders
from platform_methods import run_in_subprocess
# scan possible build platforms
# Scan possible build platforms
platform_list = [] # list of platforms
platform_opts = {} # options for each platform

68
compat.py
View File

@ -1,68 +0,0 @@
import sys
if sys.version_info < (3,):
def isbasestring(s):
return isinstance(s, basestring)
def open_utf8(filename, mode):
return open(filename, mode)
def byte_to_str(x):
return str(ord(x))
import cStringIO
def StringIO():
return cStringIO.StringIO()
def encode_utf8(x):
return x
def decode_utf8(x):
return x
def iteritems(d):
return d.iteritems()
def itervalues(d):
return d.itervalues()
def escape_string(s):
if isinstance(s, unicode):
s = s.encode('ascii')
result = ''
for c in s:
if not (32 <= ord(c) < 127) or c in ('\\', '"'):
result += '\\%03o' % ord(c)
else:
result += c
return result
else:
def isbasestring(s):
return isinstance(s, (str, bytes))
def open_utf8(filename, mode):
return open(filename, mode, encoding="utf-8")
def byte_to_str(x):
return str(x)
import io
def StringIO():
return io.StringIO()
import codecs
def encode_utf8(x):
return codecs.utf_8_encode(x)[0]
def decode_utf8(x):
return codecs.utf_8_decode(x)[0]
def iteritems(d):
return iter(d.items())
def itervalues(d):
return iter(d.values())
def charcode_to_c_escapes(c):
rev_result = []
while c >= 256:
c, low = (c // 256, c % 256)
rev_result.append('\\%03o' % low)
rev_result.append('\\%03o' % c)
return ''.join(reversed(rev_result))
def escape_string(s):
result = ''
if isinstance(s, str):
s = s.encode('utf-8')
for c in s:
if not(32 <= c < 127) or c in (ord('\\'), ord('"')):
result += charcode_to_c_escapes(c)
else:
result += chr(c)
return result

46
core/core_builders.py
View File

@ -4,15 +4,33 @@ All such functions are invoked in a subprocess on Windows to prevent build flaki
"""
from platform_methods import subprocess_main
from compat import iteritems, itervalues, open_utf8, escape_string, byte_to_str
def escape_string(s):
def charcode_to_c_escapes(c):
rev_result = []
while c >= 256:
c, low = (c // 256, c % 256)
rev_result.append('\\%03o' % low)
rev_result.append('\\%03o' % c)
return ''.join(reversed(rev_result))
result = ''
if isinstance(s, str):
s = s.encode('utf-8')
for c in s:
if not(32 <= c < 127) or c in (ord('\\'), ord('"')):
result += charcode_to_c_escapes(c)
else:
result += chr(c)
return result
def make_certs_header(target, source, env):
src = source[0]
dst = target[0]
f = open(src, "rb")
g = open_utf8(dst, "w")
g = open(dst, "w", encoding="utf-8")
buf = f.read()
decomp_size = len(buf)
import zlib
@ -32,7 +50,7 @@ def make_certs_header(target, source, env):
g.write("static const int _certs_uncompressed_size = " + str(decomp_size) + ";\n")
g.write("static const unsigned char _certs_compressed[] = {\n")
for i in range(len(buf)):
g.write("\t" + byte_to_str(buf[i]) + ",\n")
g.write("\t" + str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif // CERTS_COMPRESSED_GEN_H")
@ -46,8 +64,8 @@ def make_authors_header(target, source, env):
src = source[0]
dst = target[0]
f = open_utf8(src, "r")
g = open_utf8(dst, "w")
f = open(src, "r", encoding="utf-8")
g = open(dst, "w", encoding="utf-8")
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef AUTHORS_GEN_H\n")
@ -92,8 +110,8 @@ def make_donors_header(target, source, env):
src = source[0]
dst = target[0]
f = open_utf8(src, "r")
g = open_utf8(dst, "w")
f = open(src, "r", encoding="utf-8")
g = open(dst, "w", encoding="utf-8")
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef DONORS_GEN_H\n")
@ -163,7 +181,7 @@ def make_license_header(target, source, env):
projects = OrderedDict()
license_list = []
with open_utf8(src_copyright, "r") as copyright_file:
with open(src_copyright, "r", encoding="utf-8") as copyright_file:
reader = LicenseReader(copyright_file)
part = {}
while reader.current:
@ -183,21 +201,21 @@ def make_license_header(target, source, env):
reader.next_line()
data_list = []
for project in itervalues(projects):
for project in iter(projects.values()):
for part in project:
part["file_index"] = len(data_list)
data_list += part["Files"]
part["copyright_index"] = len(data_list)
data_list += part["Copyright"]
with open_utf8(dst, "w") as f:
with open(dst, "w", encoding="utf-8") as f:
f.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
f.write("#ifndef LICENSE_GEN_H\n")
f.write("#define LICENSE_GEN_H\n")
f.write("const char *const GODOT_LICENSE_TEXT =")
with open_utf8(src_license, "r") as license_file:
with open(src_license, "r", encoding="utf-8") as license_file:
for line in license_file:
escaped_string = escape_string(line.strip())
f.write("\n\t\t\"" + escaped_string + "\\n\"")
@ -225,7 +243,7 @@ def make_license_header(target, source, env):
f.write("const ComponentCopyrightPart COPYRIGHT_PROJECT_PARTS[] = {\n")
part_index = 0
part_indexes = {}
for project_name, project in iteritems(projects):
for project_name, project in iter(projects.items()):
part_indexes[project_name] = part_index
for part in project:
f.write("\t{ \"" + escape_string(part["License"][0]) + "\", "
@ -239,7 +257,7 @@ def make_license_header(target, source, env):
f.write("const int COPYRIGHT_INFO_COUNT = " + str(len(projects)) + ";\n")
f.write("const ComponentCopyright COPYRIGHT_INFO[] = {\n")
for project_name, project in iteritems(projects):
for project_name, project in iter(projects.items()):
f.write("\t{ \"" + escape_string(project_name) + "\", "
+ "&COPYRIGHT_PROJECT_PARTS[" + str(part_indexes[project_name]) + "], "
+ str(len(project)) + " },\n")

7
doc/Makefile
View File

@ -13,13 +13,6 @@ doxygen:
mkdir -p $(OUTPUTDIR)/doxygen
doxygen Doxyfile
markdown:
rm -rf $(OUTPUTDIR)/markdown
mkdir -p $(OUTPUTDIR)/markdown
pushd $(OUTPUTDIR)/markdown
python2 $(TOOLSDIR)/makemd.py $(CLASSES)
popd
rst:
rm -rf $(OUTPUTDIR)/rst
mkdir -p $(OUTPUTDIR)/rst

5
editor/SCsub
View File

@ -7,13 +7,12 @@ env.editor_sources = []
import os
import os.path
from platform_methods import run_in_subprocess
from compat import open_utf8
import editor_builders
def _make_doc_data_class_path(to_path):
# NOTE: It is safe to generate this file here, since this is still executed serially
g = open_utf8(os.path.join(to_path, "doc_data_class_path.gen.h"), "w")
g = open(os.path.join(to_path, "doc_data_class_path.gen.h"), "w", encoding="utf-8")
g.write("static const int _doc_data_class_path_count = " + str(len(env.doc_class_path)) + ";\n")
g.write("struct _DocDataClassPath { const char* name; const char* path; };\n")
@ -37,7 +36,7 @@ if env['tools']:
reg_exporters += '}\n'
# NOTE: It is safe to generate this file here, since this is still executed serially
with open_utf8("register_exporters.gen.cpp", "w") as f:
with open("register_exporters.gen.cpp", "w", encoding="utf-8") as f:
f.write(reg_exporters_inc)
f.write(reg_exporters)

17
editor/editor_builders.py
View File

@ -6,24 +6,23 @@ All such functions are invoked in a subprocess on Windows to prevent build flaki
import os
import os.path
from platform_methods import subprocess_main
from compat import encode_utf8, byte_to_str, open_utf8
def make_doc_header(target, source, env):
dst = target[0]
g = open_utf8(dst, "w")
g = open(dst, "w", encoding="utf-8")
buf = ""
docbegin = ""
docend = ""
for src in source:
if not src.endswith(".xml"):
continue
with open_utf8(src, "r") as f:
with open(src, "r", encoding="utf-8") as f:
content = f.read()
buf += content
buf = encode_utf8(docbegin + buf + docend)
buf = (docbegin + buf + docend).encode("utf-8")
decomp_size = len(buf)
import zlib
buf = zlib.compress(buf)
@ -35,7 +34,7 @@ def make_doc_header(target, source, env):
g.write("static const int _doc_data_uncompressed_size = " + str(decomp_size) + ";\n")
g.write("static const unsigned char _doc_data_compressed[] = {\n")
for i in range(len(buf)):
g.write("\t" + byte_to_str(buf[i]) + ",\n")
g.write("\t" + str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif")
@ -47,7 +46,7 @@ def make_fonts_header(target, source, env):
dst = target[0]
g = open_utf8(dst, "w")
g = open(dst, "w", encoding="utf-8")
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef _EDITOR_FONTS_H\n")
@ -64,7 +63,7 @@ def make_fonts_header(target, source, env):
g.write("static const int _font_" + name + "_size = " + str(len(buf)) + ";\n")
g.write("static const unsigned char _font_" + name + "[] = {\n")
for j in range(len(buf)):
g.write("\t" + byte_to_str(buf[j]) + ",\n")
g.write("\t" + str(buf[j]) + ",\n")
g.write("};\n")
@ -77,7 +76,7 @@ def make_translations_header(target, source, env, category):
dst = target[0]
g = open_utf8(dst, "w")
g = open(dst, "w", encoding="utf-8")
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef _{}_TRANSLATIONS_H\n".format(category.upper()))
@ -98,7 +97,7 @@ def make_translations_header(target, source, env, category):
g.write("static const unsigned char _{}_translation_{}_compressed[] = {{\n".format(category, name))
for j in range(len(buf)):
g.write("\t" + byte_to_str(buf[j]) + ",\n")
g.write("\t" + str(buf[j]) + ",\n")
g.write("};\n")

3
editor/icons/editor_icons_builders.py
View File

@ -3,9 +3,10 @@
All such functions are invoked in a subprocess on Windows to prevent build flakiness.
"""
import os
from io import StringIO
from platform_methods import subprocess_main
from compat import StringIO
def make_editor_icons_action(target, source, env):

7
main/main_builders.py
View File

@ -4,7 +4,6 @@ All such functions are invoked in a subprocess on Windows to prevent build flaki
"""
from platform_methods import subprocess_main
from compat import byte_to_str
from collections import OrderedDict
@ -22,7 +21,7 @@ def make_splash(target, source, env):
g.write('static const Color boot_splash_bg_color = Color(0.14, 0.14, 0.14);\n')
g.write("static const unsigned char boot_splash_png[] = {\n")
for i in range(len(buf)):
g.write(byte_to_str(buf[i]) + ",\n")
g.write(str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif")
@ -41,7 +40,7 @@ def make_splash_editor(target, source, env):
g.write('static const Color boot_splash_editor_bg_color = Color(0.14, 0.14, 0.14);\n')
g.write("static const unsigned char boot_splash_editor_png[] = {\n")
for i in range(len(buf)):
g.write(byte_to_str(buf[i]) + ",\n")
g.write(str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif")
@ -59,7 +58,7 @@ def make_app_icon(target, source, env):
g.write("#define APP_ICON_H\n")
g.write("static const unsigned char app_icon_png[] = {\n")
for i in range(len(buf)):
g.write(byte_to_str(buf[i]) + ",\n")
g.write(str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif")

11
methods.py
View File

@ -2,12 +2,11 @@ import os
import re
import glob
import subprocess
from compat import iteritems, isbasestring, decode_utf8
def add_source_files(self, sources, files, warn_duplicates=True):
# Convert string to list of absolute paths (including expanding wildcard)
if isbasestring(files):
if isinstance(files, (str, bytes)):
# Keep SCons project-absolute path as they are (no wildcard support)
if files.startswith('#'):
if '*' in files:
@ -240,7 +239,7 @@ def use_windows_spawn_fix(self, platform=None):
cmdline = cmd + " " + newargs
rv = 0
env = {str(key): str(value) for key, value in iteritems(env)}
env = {str(key): str(value) for key, value in iter(env.items())}
if len(cmdline) > 32000 and cmd.endswith("ar"):
cmdline = cmd + " " + args[1] + " " + args[2] + " "
for i in range(3, len(args)):
@ -530,7 +529,7 @@ def detect_darwin_sdk_path(platform, env):
if not env[var_name]:
try:
sdk_path = decode_utf8(subprocess.check_output(['xcrun', '--sdk', sdk_name, '--show-sdk-path']).strip())
sdk_path = subprocess.check_output(['xcrun', '--sdk', sdk_name, '--show-sdk-path']).strip().decode("utf-8")
if sdk_path:
env[var_name] = sdk_path
except (subprocess.CalledProcessError, OSError):
@ -540,7 +539,7 @@ def detect_darwin_sdk_path(platform, env):
def is_vanilla_clang(env):
if not using_clang(env):
return False
version = decode_utf8(subprocess.check_output([env['CXX'], '--version']).strip())
version = subprocess.check_output([env['CXX'], '--version']).strip().decode("utf-8")
return not version.startswith("Apple")
@ -553,7 +552,7 @@ def get_compiler_version(env):
# Not using -dumpversion as some GCC distros only return major, and
# Clang used to return hardcoded 4.2.1: # https://reviews.llvm.org/D56803
try:
version = decode_utf8(subprocess.check_output([env.subst(env['CXX']), '--version']).strip())
version = subprocess.check_output([env.subst(env['CXX']), '--version']).strip().decode("utf-8")
except (subprocess.CalledProcessError, OSError):
print("Couldn't parse CXX environment variable to infer compiler version.")
return None

4
modules/freetype/SCsub
View File

@ -3,8 +3,6 @@
Import('env')
Import('env_modules')
from compat import isbasestring
env_freetype = env_modules.Clone()
# Thirdparty source files
@ -93,7 +91,7 @@ if env['builtin_freetype']:
# and then plain strings for system library. We insert between the two.
inserted = False
for idx, linklib in enumerate(env["LIBS"]):
if isbasestring(linklib): # first system lib such as "X11", otherwise SCons lib object
if isinstance(linklib, (str, bytes)): # first system lib such as "X11", otherwise SCons lib object
env["LIBS"].insert(idx, lib)
inserted = True
break

3
modules/mono/build_scripts/make_android_mono_config.py
View File

@ -1,7 +1,6 @@
def generate_compressed_config(config_src, output_dir):
import os.path
from compat import byte_to_str
# Source file
with open(os.path.join(output_dir, 'android_mono_config.gen.cpp'), 'w') as cpp:
@ -16,7 +15,7 @@ def generate_compressed_config(config_src, output_dir):
for i, buf_idx in enumerate(range(compr_size)):
if i > 0:
bytes_seq_str += ', '
bytes_seq_str += byte_to_str(buf[buf_idx])
bytes_seq_str += str(buf[buf_idx])
cpp.write('''/* THIS FILE IS GENERATED DO NOT EDIT */
#include "android_mono_config.h"

9
modules/mono/build_scripts/mono_reg_utils.py
View File

@ -1,14 +1,9 @@
import os
import platform
from compat import decode_utf8
if os.name == 'nt':
import sys
if sys.version_info < (3,):
import _winreg as winreg
else:
import winreg
import winreg
def _reg_open_key(key, subkey):
@ -81,7 +76,7 @@ def find_msbuild_tools_path_reg():
lines = subprocess.check_output([vswhere] + vswhere_args).splitlines()
for line in lines:
parts = decode_utf8(line).split(':', 1)
parts = line.decode("utf-8").split(':', 1)
if len(parts) < 2 or parts[0] != 'installationPath':
continue

4
platform/SCsub
View File

@ -1,7 +1,5 @@
#!/usr/bin/env python
from compat import open_utf8
Import('env')
env.platform_sources = []
@ -21,7 +19,7 @@ reg_apis += '}\n\n'
unreg_apis += '}\n'
# NOTE: It is safe to generate this file here, since this is still execute serially
with open_utf8('register_platform_apis.gen.cpp', 'w') as f:
with open('register_platform_apis.gen.cpp', 'w', encoding="utf-8") as f:
f.write(reg_apis_inc)
f.write(reg_apis)
f.write(unreg_apis)

5
platform_methods.py
View File

@ -7,10 +7,7 @@ import subprocess
# NOTE: The multiprocessing module is not compatible with SCons due to conflict on cPickle
if sys.version_info[0] < 3:
JSON_SERIALIZABLE_TYPES = (bool, int, long, float, basestring)
else:
JSON_SERIALIZABLE_TYPES = (bool, int, float, str)
JSON_SERIALIZABLE_TYPES = (bool, int, float, str)
def run_in_subprocess(builder_function):