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"""Functions used to generate source files during build time
All such functions are invoked in a subprocess on Windows to prevent build flakiness.
"""
import os
import os.path
import shutil
import subprocess
import tempfile
import uuid
import zlib
from platform_methods import subprocess_main
def make_doc_header(target, source, env):
dst = target[0]
g = open(dst, "w", encoding="utf-8")
buf = ""
docbegin = ""
docend = ""
for src in source:
if not src.endswith(".xml"):
continue
with open(src, "r", encoding="utf-8") as f:
content = f.read()
buf += content
buf = (docbegin + buf + docend).encode("utf-8")
decomp_size = len(buf)
# Use maximum zlib compression level to further reduce file size
# (at the cost of initial build times).
buf = zlib.compress(buf, zlib.Z_BEST_COMPRESSION)
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef _DOC_DATA_RAW_H\n")
g.write("#define _DOC_DATA_RAW_H\n")
g.write("static const int _doc_data_compressed_size = " + str(len(buf)) + ";\n")
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" + str(buf[i]) + ",\n")
g.write("};\n")
g.write("#endif")
g.close()
def make_fonts_header(target, source, env):
dst = target[0]
g = open(dst, "w", encoding="utf-8")
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef _EDITOR_FONTS_H\n")
g.write("#define _EDITOR_FONTS_H\n")
# Saving uncompressed, since FreeType will reference from memory pointer.
for i in range(len(source)):
with open(source[i], "rb") as f:
buf = f.read()
name = os.path.splitext(os.path.basename(source[i]))[0]
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" + str(buf[j]) + ",\n")
g.write("};\n")
g.write("#endif")
g.close()
def make_translations_header(target, source, env, category):
dst = target[0]
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()))
g.write("#define _{}_TRANSLATIONS_H\n".format(category.upper()))
sorted_paths = sorted(source, key=lambda path: os.path.splitext(os.path.basename(path))[0])
msgfmt_available = shutil.which("msgfmt") is not None
if not msgfmt_available:
print("WARNING: msgfmt is not found, using .po files instead of .mo")
xl_names = []
for i in range(len(sorted_paths)):
if msgfmt_available:
mo_path = os.path.join(tempfile.gettempdir(), uuid.uuid4().hex + ".mo")
cmd = "msgfmt " + sorted_paths[i] + " --no-hash -o " + mo_path
try:
subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE).communicate()
with open(mo_path, "rb") as f:
buf = f.read()
except OSError as e:
print(
"WARNING: msgfmt execution failed, using .po file instead of .mo: path=%r; [%s] %s"
% (sorted_paths[i], e.__class__.__name__, e)
)
with open(sorted_paths[i], "rb") as f:
buf = f.read()
finally:
try:
os.remove(mo_path)
except OSError as e:
# Do not fail the entire build if it cannot delete a temporary file
print(
"WARNING: Could not delete temporary .mo file: path=%r; [%s] %s"
% (mo_path, e.__class__.__name__, e)
)
else:
with open(sorted_paths[i], "rb") as f:
buf = f.read()
decomp_size = len(buf)
# Use maximum zlib compression level to further reduce file size
# (at the cost of initial build times).
buf = zlib.compress(buf, zlib.Z_BEST_COMPRESSION)
name = os.path.splitext(os.path.basename(sorted_paths[i]))[0]
g.write("static const unsigned char _{}_translation_{}_compressed[] = {{\n".format(category, name))
for j in range(len(buf)):
g.write("\t" + str(buf[j]) + ",\n")
g.write("};\n")
xl_names.append([name, len(buf), str(decomp_size)])
g.write("struct {}TranslationList {{\n".format(category.capitalize()))
g.write("\tconst char* lang;\n")
g.write("\tint comp_size;\n")
g.write("\tint uncomp_size;\n")
g.write("\tconst unsigned char* data;\n")
g.write("};\n\n")
g.write("static {}TranslationList _{}_translations[] = {{\n".format(category.capitalize(), category))
for x in xl_names:
g.write(
'\t{{ "{}", {}, {}, _{}_translation_{}_compressed }},\n'.format(x[0], str(x[1]), str(x[2]), category, x[0])
)
g.write("\t{nullptr, 0, 0, nullptr}\n")
g.write("};\n")
g.write("#endif")
g.close()
def make_editor_translations_header(target, source, env):
make_translations_header(target, source, env, "editor")
def make_property_translations_header(target, source, env):
make_translations_header(target, source, env, "property")
def make_doc_translations_header(target, source, env):
make_translations_header(target, source, env, "doc")
if __name__ == "__main__":
subprocess_main(globals())
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