cd4e46ee65
Configured for a max line length of 120 characters. psf/black is very opinionated and purposely doesn't leave much room for configuration. The output is mostly OK so that should be fine for us, but some things worth noting: - Manually wrapped strings will be reflowed, so by using a line length of 120 for the sake of preserving readability for our long command calls, it also means that some manually wrapped strings are back on the same line and should be manually merged again. - Code generators using string concatenation extensively look awful, since black puts each operand on a single line. We need to refactor these generators to use more pythonic string formatting, for which many options are available (`%`, `format` or f-strings). - CI checks and a pre-commit hook will be added to ensure that future buildsystem changes are well-formatted.
333 lines
10 KiB
Python
333 lines
10 KiB
Python
"""Functions used to generate source files during build time
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All such functions are invoked in a subprocess on Windows to prevent build flakiness.
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"""
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from platform_methods import subprocess_main
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def escape_string(s):
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def charcode_to_c_escapes(c):
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rev_result = []
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while c >= 256:
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c, low = (c // 256, c % 256)
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rev_result.append("\\%03o" % low)
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rev_result.append("\\%03o" % c)
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return "".join(reversed(rev_result))
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result = ""
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if isinstance(s, str):
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s = s.encode("utf-8")
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for c in s:
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if not (32 <= c < 127) or c in (ord("\\"), ord('"')):
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result += charcode_to_c_escapes(c)
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else:
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result += chr(c)
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return result
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def make_certs_header(target, source, env):
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src = source[0]
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dst = target[0]
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f = open(src, "rb")
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g = open(dst, "w", encoding="utf-8")
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buf = f.read()
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decomp_size = len(buf)
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import zlib
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buf = zlib.compress(buf)
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g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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g.write("#ifndef CERTS_COMPRESSED_GEN_H\n")
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g.write("#define CERTS_COMPRESSED_GEN_H\n")
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# System certs path. Editor will use them if defined. (for package maintainers)
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path = env["system_certs_path"]
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g.write('#define _SYSTEM_CERTS_PATH "%s"\n' % str(path))
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if env["builtin_certs"]:
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# Defined here and not in env so changing it does not trigger a full rebuild.
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g.write("#define BUILTIN_CERTS_ENABLED\n")
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g.write("static const int _certs_compressed_size = " + str(len(buf)) + ";\n")
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g.write("static const int _certs_uncompressed_size = " + str(decomp_size) + ";\n")
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g.write("static const unsigned char _certs_compressed[] = {\n")
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for i in range(len(buf)):
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g.write("\t" + str(buf[i]) + ",\n")
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g.write("};\n")
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g.write("#endif // CERTS_COMPRESSED_GEN_H")
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g.close()
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f.close()
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def make_authors_header(target, source, env):
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sections = [
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"Project Founders",
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"Lead Developer",
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"Project Manager",
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"Developers",
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]
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sections_id = [
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"AUTHORS_FOUNDERS",
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"AUTHORS_LEAD_DEVELOPERS",
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"AUTHORS_PROJECT_MANAGERS",
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"AUTHORS_DEVELOPERS",
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]
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src = source[0]
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dst = target[0]
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f = open(src, "r", encoding="utf-8")
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g = open(dst, "w", encoding="utf-8")
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g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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g.write("#ifndef AUTHORS_GEN_H\n")
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g.write("#define AUTHORS_GEN_H\n")
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reading = False
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def close_section():
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g.write("\t0\n")
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g.write("};\n")
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for line in f:
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if reading:
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if line.startswith(" "):
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g.write('\t"' + escape_string(line.strip()) + '",\n')
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continue
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if line.startswith("## "):
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if reading:
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close_section()
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reading = False
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for section, section_id in zip(sections, sections_id):
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if line.strip().endswith(section):
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current_section = escape_string(section_id)
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reading = True
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g.write("const char *const " + current_section + "[] = {\n")
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break
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if reading:
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close_section()
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g.write("#endif // AUTHORS_GEN_H\n")
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g.close()
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f.close()
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def make_donors_header(target, source, env):
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sections = [
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"Platinum sponsors",
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"Gold sponsors",
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"Mini sponsors",
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"Gold donors",
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"Silver donors",
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"Bronze donors",
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]
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sections_id = [
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"DONORS_SPONSOR_PLAT",
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"DONORS_SPONSOR_GOLD",
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"DONORS_SPONSOR_MINI",
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"DONORS_GOLD",
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"DONORS_SILVER",
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"DONORS_BRONZE",
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]
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src = source[0]
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dst = target[0]
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f = open(src, "r", encoding="utf-8")
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g = open(dst, "w", encoding="utf-8")
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g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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g.write("#ifndef DONORS_GEN_H\n")
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g.write("#define DONORS_GEN_H\n")
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reading = False
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def close_section():
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g.write("\t0\n")
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g.write("};\n")
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for line in f:
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if reading >= 0:
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if line.startswith(" "):
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g.write('\t"' + escape_string(line.strip()) + '",\n')
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continue
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if line.startswith("## "):
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if reading:
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close_section()
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reading = False
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for section, section_id in zip(sections, sections_id):
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if line.strip().endswith(section):
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current_section = escape_string(section_id)
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reading = True
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g.write("const char *const " + current_section + "[] = {\n")
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break
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if reading:
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close_section()
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g.write("#endif // DONORS_GEN_H\n")
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g.close()
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f.close()
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def make_license_header(target, source, env):
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src_copyright = source[0]
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src_license = source[1]
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dst = target[0]
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class LicenseReader:
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def __init__(self, license_file):
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self._license_file = license_file
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self.line_num = 0
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self.current = self.next_line()
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def next_line(self):
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line = self._license_file.readline()
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self.line_num += 1
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while line.startswith("#"):
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line = self._license_file.readline()
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self.line_num += 1
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self.current = line
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return line
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def next_tag(self):
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if not ":" in self.current:
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return ("", [])
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tag, line = self.current.split(":", 1)
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lines = [line.strip()]
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while self.next_line() and self.current.startswith(" "):
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lines.append(self.current.strip())
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return (tag, lines)
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from collections import OrderedDict
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projects = OrderedDict()
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license_list = []
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with open(src_copyright, "r", encoding="utf-8") as copyright_file:
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reader = LicenseReader(copyright_file)
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part = {}
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while reader.current:
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tag, content = reader.next_tag()
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if tag in ("Files", "Copyright", "License"):
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part[tag] = content[:]
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elif tag == "Comment":
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# attach part to named project
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projects[content[0]] = projects.get(content[0], []) + [part]
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if not tag or not reader.current:
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# end of a paragraph start a new part
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if "License" in part and not "Files" in part:
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# no Files tag in this one, so assume standalone license
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license_list.append(part["License"])
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part = {}
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reader.next_line()
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data_list = []
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for project in iter(projects.values()):
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for part in project:
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part["file_index"] = len(data_list)
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data_list += part["Files"]
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part["copyright_index"] = len(data_list)
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data_list += part["Copyright"]
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with open(dst, "w", encoding="utf-8") as f:
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f.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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f.write("#ifndef LICENSE_GEN_H\n")
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f.write("#define LICENSE_GEN_H\n")
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f.write("const char *const GODOT_LICENSE_TEXT =")
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with open(src_license, "r", encoding="utf-8") as license_file:
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for line in license_file:
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escaped_string = escape_string(line.strip())
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f.write('\n\t\t"' + escaped_string + '\\n"')
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f.write(";\n\n")
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f.write(
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"struct ComponentCopyrightPart {\n"
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"\tconst char *license;\n"
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"\tconst char *const *files;\n"
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"\tconst char *const *copyright_statements;\n"
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"\tint file_count;\n"
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"\tint copyright_count;\n"
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"};\n\n"
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)
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f.write(
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"struct ComponentCopyright {\n"
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"\tconst char *name;\n"
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"\tconst ComponentCopyrightPart *parts;\n"
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"\tint part_count;\n"
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"};\n\n"
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)
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f.write("const char *const COPYRIGHT_INFO_DATA[] = {\n")
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for line in data_list:
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f.write('\t"' + escape_string(line) + '",\n')
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f.write("};\n\n")
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f.write("const ComponentCopyrightPart COPYRIGHT_PROJECT_PARTS[] = {\n")
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part_index = 0
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part_indexes = {}
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for project_name, project in iter(projects.items()):
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part_indexes[project_name] = part_index
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for part in project:
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f.write(
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'\t{ "'
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+ escape_string(part["License"][0])
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+ '", '
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+ "©RIGHT_INFO_DATA["
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+ str(part["file_index"])
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+ "], "
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+ "©RIGHT_INFO_DATA["
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+ str(part["copyright_index"])
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+ "], "
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+ str(len(part["Files"]))
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+ ", "
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+ str(len(part["Copyright"]))
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+ " },\n"
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)
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part_index += 1
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f.write("};\n\n")
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f.write("const int COPYRIGHT_INFO_COUNT = " + str(len(projects)) + ";\n")
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f.write("const ComponentCopyright COPYRIGHT_INFO[] = {\n")
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for project_name, project in iter(projects.items()):
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f.write(
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'\t{ "'
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+ escape_string(project_name)
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+ '", '
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+ "©RIGHT_PROJECT_PARTS["
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+ str(part_indexes[project_name])
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+ "], "
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+ str(len(project))
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+ " },\n"
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)
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f.write("};\n\n")
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f.write("const int LICENSE_COUNT = " + str(len(license_list)) + ";\n")
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f.write("const char *const LICENSE_NAMES[] = {\n")
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for l in license_list:
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f.write('\t"' + escape_string(l[0]) + '",\n')
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f.write("};\n\n")
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f.write("const char *const LICENSE_BODIES[] = {\n\n")
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for l in license_list:
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for line in l[1:]:
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if line == ".":
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f.write('\t"\\n"\n')
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else:
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f.write('\t"' + escape_string(line) + '\\n"\n')
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f.write('\t"",\n\n')
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f.write("};\n\n")
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f.write("#endif // LICENSE_GEN_H\n")
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if __name__ == "__main__":
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subprocess_main(globals())
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