315 lines
12 KiB
Python
315 lines
12 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import os
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import re
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import shutil
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home = "compiler/api"
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dest = "pyrogram/api"
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notice_path = "NOTICE"
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core_types = ["int", "long", "int128", "int256", "double", "bytes", "string", "Bool"]
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# TODO: Compiler was written in a rush. variables/methods name and pretty much all the code is fuzzy, but it works
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# TODO: Some constructors have flags:# but not flags.\d+\?
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class Compiler:
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def __init__(self):
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self.section = "types" # TL Schema starts with types
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self.namespaces = {"types": set(), "functions": set()}
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self.objects = {}
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self.layer = None
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self.schema = None
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with open("{}/template/class.txt".format(home)) as f:
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self.template = f.read()
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with open(notice_path) as f:
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notice = []
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for line in f.readlines():
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notice.append("# {}".format(line).strip())
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self.notice = "\n".join(notice)
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def read_schema(self):
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"""Read schema files"""
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with open("{}/source/auth_key.tl".format(home)) as auth, \
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open("{}/source/sys_msgs.tl".format(home)) as system, \
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open("{}/source/main_api.tl".format(home)) as api:
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self.schema = auth.read() + system.read() + api.read()
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def parse_schema(self):
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"""Parse schema line by line"""
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total = len(self.schema.splitlines())
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for i, line in enumerate(self.schema.splitlines()):
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# Check for section changer lines
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section = re.match(r"---(\w+)---", line)
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if section:
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self.section = section.group(1)
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continue
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# Save the layer version
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layer = re.match(r"//\sLAYER\s(\d+)", line)
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if layer:
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self.layer = layer.group(1)
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continue
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combinator = re.match(r"^([\w.]+)#([0-9a-f]+)\s(.*)=\s([\w<>.]+);$", line, re.MULTILINE)
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if combinator:
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name, id, args, type = combinator.groups()
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namespace, name = name.split(".") if "." in name else ("", name)
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args = re.findall(r"[^{](\w+):([\w?!.<>]+)", line)
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print("Compiling APIs: [{}%]".format(round(i * 100 / total)), end="\r")
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for i in args:
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if re.match(r"flags\.\d+\?", i[1]):
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has_flags = True
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break
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else:
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has_flags = False
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if name == "updates":
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name = "update"
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for i, item in enumerate(args):
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# if item[0] in keyword.kwlist + dir(builtins) + ["self"]:
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if item[0] == "self":
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args[i] = ("is_{}".format(item[0]), item[1])
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if namespace:
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self.namespaces[self.section].add(namespace)
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self.compile(namespace, name, id, args, has_flags)
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self.objects[id] = "{}.{}{}.{}".format(
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self.section,
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"{}.".format(namespace) if namespace else "",
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self.snek(name),
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self.caml(name)
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)
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def finish(self):
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with open("{}/all.py".format(dest), "w") as f:
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f.write(self.notice + "\n\n")
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f.write("layer = {}\n\n".format(self.layer))
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f.write("objects = {")
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for k, v in self.objects.items():
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v = v.split(".")
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del v[-2]
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v = ".".join(v)
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f.write("\n 0x{}: \"{}\",".format(k.zfill(8), v))
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f.write("\n 0xbc799737: \"core.BoolFalse\",")
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f.write("\n 0x997275b5: \"core.BoolTrue\",")
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f.write("\n 0x56730bcc: \"core.Null\",")
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f.write("\n 0x1cb5c415: \"core.Vector\",")
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f.write("\n 0x73f1f8dc: \"core.MsgContainer\",")
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f.write("\n 0xae500895: \"core.FutureSalts\",")
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f.write("\n 0x0949d9dc: \"core.FutureSalt\",")
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f.write("\n 0x3072cfa1: \"core.GzipPacked\",")
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f.write("\n 0x5bb8e511: \"core.Message\"")
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f.write("\n}\n")
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for k, v in self.namespaces.items():
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with open("{}/{}/__init__.py".format(dest, k), "a") as f:
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f.write("from . import {}\n".format(", ".join([i for i in v])) if v else "")
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@staticmethod
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def sort_args(args):
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"""Put flags at the end"""
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args = args.copy()
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flags = [i for i in args if re.match(r"flags\.\d+\?", i[1])]
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for i in flags:
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args.remove(i)
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return args + flags
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def compile(self, namespace, name, id, args, has_flags):
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path = "{}/{}/{}".format(dest, self.section, namespace)
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os.makedirs(path, exist_ok=True)
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init = "{}/__init__.py".format(path)
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if not os.path.exists(init):
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with open(init, "w") as f:
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f.write(self.notice + "\n\n")
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with open(init, "a") as f:
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f.write("from .{} import {}\n".format(self.snek(name), self.caml(name)))
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sorted_args = self.sort_args(args)
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object_id = "0x{}".format(id)
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arguments = ", " + ", ".join(
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["{}{}".format(
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i[0],
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"=None" if re.match(r"flags\.\d+\?", i[1]) else ""
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) for i in sorted_args]
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) if args else ""
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fields = "\n ".join(
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["self.{0} = {0} # {1}".format(i[0], i[1]) for i in args]
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) if args else "pass"
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if has_flags:
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write_flags = []
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for i in args:
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flag = re.match(r"flags\.(\d+)\?", i[1])
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if flag:
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write_flags.append("flags |= (1 << {}) if self.{} is not None else 0".format(flag.group(1), i[0]))
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write_flags = "\n ".join([
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"flags = 0",
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"\n ".join(write_flags),
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"b.write(Int(flags))"
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])
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else:
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write_flags = "# No flags"
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read_flags = "flags = Int.read(b)" if has_flags else "# No flags"
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write_types = read_types = ""
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for arg_name, arg_type in args:
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flag = re.findall(r"flags\.(\d+)\?([\w<>.]+)", arg_type)
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if flag:
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index, flag_type = flag[0]
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if flag_type == "true":
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read_types += "\n "
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read_types += "{} = True if flags & (1 << {}) else False".format(arg_name, index)
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elif flag_type in core_types:
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write_types += "\n "
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write_types += "if self.{} is not None:\n ".format(arg_name)
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write_types += "b.write({}(self.{}))\n ".format(flag_type.title(), arg_name)
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read_types += "\n "
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read_types += "{} = {}.read(b) if flags & (1 << {}) else None".format(
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arg_name, flag_type.title(), index
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)
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elif "vector" in flag_type.lower():
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sub_type = arg_type.split("<")[1][:-1]
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write_types += "\n "
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write_types += "if self.{} is not None:\n ".format(arg_name)
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write_types += "b.write(Vector(self.{}{}))\n ".format(
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arg_name, ", {}".format(sub_type.title()) if sub_type in core_types else ""
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)
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read_types += "\n "
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read_types += "{} = Object.read(b{}) if flags & (1 << {}) else []\n ".format(
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arg_name, ", {}".format(sub_type.title()) if sub_type in core_types else "", index
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)
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else:
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write_types += "\n "
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write_types += "if self.{} is not None:\n ".format(arg_name)
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write_types += "b.write(self.{}.write())\n ".format(arg_name)
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read_types += "\n "
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read_types += "{} = Object.read(b) if flags & (1 << {}) else None\n ".format(
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arg_name, index
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)
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else:
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if arg_type in core_types:
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write_types += "\n "
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write_types += "b.write({}(self.{}))\n ".format(arg_type.title(), arg_name)
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read_types += "\n "
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read_types += "{} = {}.read(b)\n ".format(arg_name, arg_type.title())
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elif "vector" in arg_type.lower():
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sub_type = arg_type.split("<")[1][:-1]
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write_types += "\n "
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write_types += "b.write(Vector(self.{}{}))\n ".format(
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arg_name, ", {}".format(sub_type.title()) if sub_type in core_types else ""
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)
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read_types += "\n "
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read_types += "{} = Object.read(b{})\n ".format(
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arg_name, ", {}".format(sub_type.title()) if sub_type in core_types else ""
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)
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else:
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write_types += "\n "
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write_types += "b.write(self.{}.write())\n ".format(arg_name)
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read_types += "\n "
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read_types += "{} = Object.read(b)\n ".format(arg_name)
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with open("{}/{}.py".format(path, self.snek(name)), "w") as f:
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f.write(
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self.template.format(
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notice=self.notice,
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class_name=self.caml(name),
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object_id=object_id,
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arguments=arguments,
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fields=fields,
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read_flags=read_flags,
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read_types=read_types,
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write_flags=write_flags,
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write_types=write_types,
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return_arguments=", ".join([i[0] for i in sorted_args])
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)
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)
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@staticmethod
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def snek(s):
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# https://stackoverflow.com/questions/1175208/elegant-python-function-to-convert-camelcase-to-snake-case
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s = re.sub(r"(.)([A-Z][a-z]+)", r"\1_\2", s)
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return re.sub(r"([a-z0-9])([A-Z])", r"\1_\2", s).lower()
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@staticmethod
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def caml(s):
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s = Compiler.snek(s).split("_")
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return "".join([str(i.title()) for i in s])
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def start(self):
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shutil.rmtree("{}/types".format(dest), ignore_errors=True)
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shutil.rmtree("{}/functions".format(dest), ignore_errors=True)
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self.read_schema()
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self.parse_schema()
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self.finish()
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print()
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def start():
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c = Compiler()
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c.start()
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if "__main__" == __name__:
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home = "."
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dest = "../../pyrogram/api"
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notice_path = "../../NOTICE"
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start()
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