mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-30 18:10:56 +00:00
875 lines
28 KiB
Python
Executable File
875 lines
28 KiB
Python
Executable File
#!/usr/bin/env python3
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import fnmatch
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import glob
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import io
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import json
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import logging
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import os
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import re
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import struct
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import sys
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import zlib
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from collections import defaultdict
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from hashlib import sha256
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import click
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import coin_info
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from coindef import CoinDef
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try:
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import termcolor
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except ImportError:
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termcolor = None
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try:
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import mako
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import mako.template
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from munch import Munch
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CAN_RENDER = True
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except ImportError:
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CAN_RENDER = False
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try:
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import requests
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except ImportError:
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requests = None
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try:
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import ed25519
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from PIL import Image
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from trezorlib import protobuf
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CAN_BUILD_DEFS = True
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except ImportError:
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CAN_BUILD_DEFS = False
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# ======= Crayon colors ======
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USE_COLORS = False
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def crayon(color, string, bold=False, dim=False):
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if not termcolor or not USE_COLORS:
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return string
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else:
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if bold:
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attrs = ["bold"]
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elif dim:
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attrs = ["dark"]
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else:
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attrs = []
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return termcolor.colored(string, color, attrs=attrs)
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def print_log(level, *args, **kwargs):
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prefix = logging.getLevelName(level)
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if level == logging.DEBUG:
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prefix = crayon("blue", prefix, bold=False)
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elif level == logging.INFO:
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prefix = crayon("blue", prefix, bold=True)
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elif level == logging.WARNING:
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prefix = crayon("red", prefix, bold=False)
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elif level == logging.ERROR:
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prefix = crayon("red", prefix, bold=True)
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print(prefix, *args, **kwargs)
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# ======= Mako management ======
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def c_str_filter(b):
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if b is None:
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return "NULL"
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def hexescape(c):
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return r"\x{:02x}".format(c)
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if isinstance(b, bytes):
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return '"' + "".join(map(hexescape, b)) + '"'
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else:
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return json.dumps(b)
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def black_repr_filter(val):
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if isinstance(val, str):
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if '"' in val:
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return repr(val)
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else:
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return c_str_filter(val)
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elif isinstance(val, bytes):
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return "b" + c_str_filter(val)
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else:
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return repr(val)
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def ascii_filter(s):
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return re.sub("[^ -\x7e]", "_", s)
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def make_support_filter(support_info):
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def supported_on(device, coins):
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for coin in coins:
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supp = support_info[coin.key].get(device)
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if not supp:
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continue
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if coin_info.is_token(coin) or supp != "soon":
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yield coin
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return supported_on
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MAKO_FILTERS = {
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"c_str": c_str_filter,
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"ascii": ascii_filter,
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"black_repr": black_repr_filter,
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}
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def render_file(src, dst, coins, support_info):
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"""Renders `src` template into `dst`.
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`src` is a filename, `dst` is an open file object.
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"""
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template = mako.template.Template(filename=src)
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result = template.render(
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support_info=support_info,
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supported_on=make_support_filter(support_info),
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**coins,
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**MAKO_FILTERS,
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)
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dst.write(result)
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# ====== validation functions ======
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def mark_unsupported(support_info, coins):
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for coin in coins:
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key = coin["key"]
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# checking for explicit False because None means unknown
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coin["unsupported"] = all(v is False for v in support_info[key].values())
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def highlight_key(coin, color):
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"""Return a colorful string where the SYMBOL part is bold."""
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keylist = coin["key"].split(":")
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if keylist[-1].isdigit():
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keylist[-2] = crayon(color, keylist[-2], bold=True)
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else:
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keylist[-1] = crayon(color, keylist[-1], bold=True)
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key = crayon(color, ":".join(keylist))
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name = crayon(None, "({})".format(coin["name"]), dim=True)
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return "{} {}".format(key, name)
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def find_collisions(coins, field):
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"""Detects collisions in a given field. Returns buckets of colliding coins."""
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collisions = defaultdict(list)
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for coin in coins:
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value = coin[field]
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collisions[value].append(coin)
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return {k: v for k, v in collisions.items() if len(v) > 1}
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def check_eth(coins):
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check_passed = True
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chains = find_collisions(coins, "chain")
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for key, bucket in chains.items():
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bucket_str = ", ".join(
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"{} ({})".format(coin["key"], coin["name"]) for coin in bucket
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)
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chain_name_str = "colliding chain name " + crayon(None, key, bold=True) + ":"
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print_log(logging.ERROR, chain_name_str, bucket_str)
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check_passed = False
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for coin in coins:
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icon_file = coin["shortcut"].lower() + ".png"
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try:
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icon = Image.open(os.path.join(coin_info.DEFS_DIR, "ethereum", icon_file))
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except Exception:
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print(coin["key"], ": failed to open icon file", icon_file)
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check_passed = False
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continue
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if icon.size != (128, 128) or icon.mode != "RGBA":
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print(coin["key"], ": bad icon format (must be RGBA 128x128)")
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check_passed = False
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return check_passed
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def check_btc(coins):
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check_passed = True
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# validate individual coin data
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for coin in coins:
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errors = coin_info.validate_btc(coin)
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if errors:
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check_passed = False
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print_log(logging.ERROR, "invalid definition for", coin["name"])
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print("\n".join(errors))
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def collision_str(bucket):
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"""Generate a colorful string out of a bucket of colliding coins."""
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coin_strings = []
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for coin in bucket:
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name = coin["name"]
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prefix = ""
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if name.endswith("Testnet") or name.endswith("Regtest"):
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color = "green"
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elif name == "Bitcoin":
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color = "red"
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elif coin["unsupported"]:
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color = "grey"
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prefix = crayon("blue", "(X)", bold=True)
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else:
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color = "blue"
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hl = highlight_key(coin, color)
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coin_strings.append(prefix + hl)
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return ", ".join(coin_strings)
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def print_collision_buckets(buckets, prefix, maxlevel=logging.ERROR, strict=False):
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"""Intelligently print collision buckets.
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For each bucket, if there are any collision with a mainnet, print it.
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If the collision is with unsupported networks or testnets, it's just INFO.
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If the collision is with supported mainnets, it's WARNING.
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If the collision with any supported network includes Bitcoin, it's an ERROR.
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"""
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failed = False
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for key, bucket in buckets.items():
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mainnets = [
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c
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for c in bucket
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if not c["name"].endswith("Testnet")
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and not c["name"].endswith("Regtest")
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]
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have_bitcoin = any(coin["name"] == "Bitcoin" for coin in mainnets)
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supported_mainnets = [c for c in mainnets if not c["unsupported"]]
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supported_networks = [c for c in bucket if not c["unsupported"]]
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if len(mainnets) > 1:
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if (have_bitcoin or strict) and len(supported_networks) > 1:
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# ANY collision with Bitcoin is bad
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level = maxlevel
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failed = True
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elif len(supported_mainnets) > 1:
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# collision between supported networks is still pretty bad
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level = logging.WARNING
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else:
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# collision between some unsupported networks is OK
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level = logging.INFO
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print_log(level, "{} {}:".format(prefix, key), collision_str(bucket))
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return failed
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# slip44 collisions
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print("Checking SLIP44 values collisions...")
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slip44 = find_collisions(coins, "slip44")
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if print_collision_buckets(slip44, "value", strict=True):
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check_passed = False
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# only check address_type on coins that don't use cashaddr
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nocashaddr = [coin for coin in coins if not coin.get("cashaddr_prefix")]
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print("Checking address_type collisions...")
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address_type = find_collisions(nocashaddr, "address_type")
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if print_collision_buckets(address_type, "address type"):
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check_passed = False
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print("Checking address_type_p2sh collisions...")
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address_type_p2sh = find_collisions(nocashaddr, "address_type_p2sh")
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# we ignore failed checks on P2SH, because reasons
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print_collision_buckets(address_type_p2sh, "address type", logging.WARNING)
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print("Checking genesis block collisions...")
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genesis = find_collisions(coins, "hash_genesis_block")
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print_collision_buckets(genesis, "genesis block", logging.WARNING)
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return check_passed
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def check_dups(buckets, print_at_level=logging.WARNING):
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"""Analyze and pretty-print results of `coin_info.mark_duplicate_shortcuts`.
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`print_at_level` can be one of logging levels.
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The results are buckets of colliding symbols.
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If the collision is only between ERC20 tokens, it's DEBUG.
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If the collision includes one non-token, it's INFO.
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If the collision includes more than one non-token, it's ERROR and printed always.
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"""
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def coin_str(coin):
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"""Colorize coins. Tokens are cyan, nontokens are red. Coins that are NOT
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marked duplicate get a green asterisk.
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"""
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prefix = ""
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if coin["unsupported"]:
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color = "grey"
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prefix = crayon("blue", "(X)", bold=True)
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elif coin_info.is_token(coin):
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color = "cyan"
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else:
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color = "red"
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if not coin.get("duplicate"):
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prefix = crayon("green", "*", bold=True) + prefix
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highlighted = highlight_key(coin, color)
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return "{}{}".format(prefix, highlighted)
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check_passed = True
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for symbol in sorted(buckets.keys()):
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bucket = buckets[symbol]
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if not bucket:
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continue
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supported = [coin for coin in bucket if not coin["unsupported"]]
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nontokens = [coin for coin in bucket if not coin_info.is_token(coin)]
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cleared = not any(coin.get("duplicate") for coin in bucket)
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# string generation
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dup_str = ", ".join(coin_str(coin) for coin in bucket)
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if len(nontokens) > 1:
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# Two or more colliding nontokens. This is always fatal.
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# XXX consider allowing two nontokens as long as only one is supported?
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level = logging.ERROR
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check_passed = False
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elif len(supported) > 1:
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# more than one supported coin in bucket
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if cleared:
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# some previous step has explicitly marked them as non-duplicate
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level = logging.INFO
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else:
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# at most 1 non-token - we tenatively allow token collisions
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# when explicitly marked as supported
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level = logging.WARNING
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else:
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# At most 1 supported coin, at most 1 non-token. This is informational only.
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level = logging.DEBUG
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# deciding whether to print
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if level < print_at_level:
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continue
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if symbol == "_override":
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print_log(level, "force-set duplicates:", dup_str)
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else:
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print_log(level, "duplicate symbol {}:".format(symbol.upper()), dup_str)
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return check_passed
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def check_backends(coins):
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check_passed = True
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for coin in coins:
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genesis_block = coin.get("hash_genesis_block")
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if not genesis_block:
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continue
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backends = coin.get("blockbook", []) + coin.get("bitcore", [])
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for backend in backends:
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print("checking", backend, "... ", end="", flush=True)
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try:
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j = requests.get(backend + "/api/block-index/0").json()
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if j["blockHash"] != genesis_block:
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raise RuntimeError("genesis block mismatch")
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except Exception as e:
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print(e)
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check_passed = False
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else:
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print("OK")
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return check_passed
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def check_icons(coins):
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check_passed = True
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for coin in coins:
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key = coin["key"]
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icon_file = coin.get("icon")
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if not icon_file:
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print(key, ": missing icon")
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check_passed = False
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continue
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try:
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icon = Image.open(icon_file)
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except Exception:
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print(key, ": failed to open icon file", icon_file)
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check_passed = False
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continue
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if icon.size != (96, 96) or icon.mode != "RGBA":
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print(key, ": bad icon format (must be RGBA 96x96)")
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check_passed = False
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return check_passed
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IGNORE_NONUNIFORM_KEYS = frozenset(("unsupported", "duplicate"))
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def check_key_uniformity(coins):
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keysets = defaultdict(list)
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for coin in coins:
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keyset = frozenset(coin.keys()) | IGNORE_NONUNIFORM_KEYS
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keysets[keyset].append(coin)
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if len(keysets) <= 1:
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return True
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buckets = list(keysets.values())
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buckets.sort(key=lambda x: len(x))
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majority = buckets[-1]
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rest = sum(buckets[:-1], [])
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reference_keyset = set(majority[0].keys()) | IGNORE_NONUNIFORM_KEYS
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print(reference_keyset)
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for coin in rest:
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key = coin["key"]
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keyset = set(coin.keys()) | IGNORE_NONUNIFORM_KEYS
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missing = ", ".join(reference_keyset - keyset)
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if missing:
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print_log(
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logging.ERROR, "coin {} has missing keys: {}".format(key, missing)
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)
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additional = ", ".join(keyset - reference_keyset)
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if additional:
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print_log(
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logging.ERROR,
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"coin {} has superfluous keys: {}".format(key, additional),
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)
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return False
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def check_segwit(coins):
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for coin in coins:
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segwit = coin["segwit"]
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segwit_fields = [
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"bech32_prefix",
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"xpub_magic_segwit_native",
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"xpub_magic_segwit_p2sh",
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]
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if segwit:
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for field in segwit_fields:
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if coin[field] is None:
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print_log(
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logging.ERROR,
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coin["name"],
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"segwit is True => %s should be set" % field,
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)
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return False
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else:
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for field in segwit_fields:
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if coin[field] is not None:
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print_log(
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logging.ERROR,
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coin["name"],
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"segwit is True => %s should NOT be set" % field,
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)
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return False
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return True
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# ====== coindefs generators ======
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def convert_icon(icon):
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"""Convert PIL icon to TOIF format"""
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# TODO: move this to python-trezor at some point
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DIM = 32
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icon = icon.resize((DIM, DIM), Image.LANCZOS)
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# remove alpha channel, replace with black
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bg = Image.new("RGBA", icon.size, (0, 0, 0, 255))
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icon = Image.alpha_composite(bg, icon)
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# process pixels
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pix = icon.load()
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data = bytes()
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for y in range(DIM):
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for x in range(DIM):
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r, g, b, _ = pix[x, y]
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c = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3)
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data += struct.pack(">H", c)
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z = zlib.compressobj(level=9, wbits=10)
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zdata = z.compress(data) + z.flush()
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zdata = zdata[2:-4] # strip header and checksum
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return zdata
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def coindef_from_dict(coin):
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proto = CoinDef()
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for fname, _, fflags in CoinDef.FIELDS.values():
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val = coin.get(fname)
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if val is None and fflags & protobuf.FLAG_REPEATED:
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val = []
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elif fname == "signed_message_header":
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val = val.encode()
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elif fname == "hash_genesis_block":
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val = bytes.fromhex(val)
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setattr(proto, fname, val)
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return proto
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def serialize_coindef(proto, icon):
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proto.icon = icon
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buf = io.BytesIO()
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protobuf.dump_message(buf, proto)
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return buf.getvalue()
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def sign(data):
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h = sha256(data).digest()
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sign_key = ed25519.SigningKey(b"A" * 32)
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return sign_key.sign(h)
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# ====== click command handlers ======
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@click.group()
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@click.option(
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"--colors/--no-colors",
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"-c/-C",
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default=sys.stdout.isatty(),
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help="Force colored output on/off",
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)
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def cli(colors):
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global USE_COLORS
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USE_COLORS = colors
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@cli.command()
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# fmt: off
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@click.option("--backend/--no-backend", "-b", default=False, help="Check blockbook/bitcore responses")
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@click.option("--icons/--no-icons", default=True, help="Check icon files")
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|
@click.option("-d", "--show-duplicates", type=click.Choice(("all", "nontoken", "errors")), default="errors", help="How much information about duplicate shortcuts should be shown.")
|
|
# fmt: on
|
|
def check(backend, icons, show_duplicates):
|
|
"""Validate coin definitions.
|
|
|
|
Checks that every btc-like coin is properly filled out, reports duplicate symbols,
|
|
missing or invalid icons, backend responses, and uniform key information --
|
|
i.e., that all coins of the same type have the same fields in their JSON data.
|
|
|
|
Uniformity check ignores NEM mosaics and ERC20 tokens, where non-uniformity is
|
|
expected.
|
|
|
|
The `--show-duplicates` option can be set to:
|
|
|
|
- all: all shortcut collisions are shown, including colliding ERC20 tokens
|
|
|
|
- nontoken: only collisions that affect non-ERC20 coins are shown
|
|
|
|
- errors: only collisions between non-ERC20 tokens are shown. This is the default,
|
|
as a collision between two or more non-ERC20 tokens is an error.
|
|
|
|
In the output, duplicate ERC tokens will be shown in cyan; duplicate non-tokens
|
|
in red. An asterisk (*) next to symbol name means that even though it was detected
|
|
as duplicate, it is still included in results.
|
|
|
|
The collision detection checks that SLIP44 numbers don't collide between different
|
|
mainnets (testnet collisions are allowed), that `address_prefix` doesn't collide
|
|
with Bitcoin (other collisions are reported as warnings). `address_prefix_p2sh`
|
|
is also checked but we have a bunch of collisions there and can't do much
|
|
about them, so it's not an error.
|
|
|
|
In the collision checks, Bitcoin is shown in red, other mainnets in blue,
|
|
testnets in green and unsupported networks in gray, marked with `(X)` for
|
|
non-colored output.
|
|
"""
|
|
if backend and requests is None:
|
|
raise click.ClickException("You must install requests for backend check")
|
|
|
|
if icons and not CAN_BUILD_DEFS:
|
|
raise click.ClickException("Missing requirements for icon check")
|
|
|
|
defs, buckets = coin_info.coin_info_with_duplicates()
|
|
support_info = coin_info.support_info(defs)
|
|
mark_unsupported(support_info, defs.as_list())
|
|
all_checks_passed = True
|
|
|
|
print("Checking BTC-like coins...")
|
|
if not check_btc(defs.bitcoin):
|
|
all_checks_passed = False
|
|
|
|
print("Checking Ethereum networks...")
|
|
if not check_eth(defs.eth):
|
|
all_checks_passed = False
|
|
|
|
if show_duplicates == "all":
|
|
dup_level = logging.DEBUG
|
|
elif show_duplicates == "nontoken":
|
|
dup_level = logging.INFO
|
|
else:
|
|
dup_level = logging.WARNING
|
|
print("Checking unexpected duplicates...")
|
|
if not check_dups(buckets, dup_level):
|
|
all_checks_passed = False
|
|
|
|
nontoken_dups = [coin for coin in defs.as_list() if "dup_key_nontoken" in coin]
|
|
if nontoken_dups:
|
|
nontoken_dup_str = ", ".join(
|
|
highlight_key(coin, "red") for coin in nontoken_dups
|
|
)
|
|
print_log(logging.ERROR, "Non-token duplicate keys: " + nontoken_dup_str)
|
|
all_checks_passed = False
|
|
|
|
if icons:
|
|
print("Checking icon files...")
|
|
if not check_icons(defs.bitcoin):
|
|
all_checks_passed = False
|
|
|
|
if backend:
|
|
print("Checking backend responses...")
|
|
if not check_backends(defs.bitcoin):
|
|
all_checks_passed = False
|
|
|
|
print("Checking segwit fields...")
|
|
if not check_segwit(defs.bitcoin):
|
|
all_checks_passed = False
|
|
|
|
print("Checking key uniformity...")
|
|
for cointype, coinlist in defs.items():
|
|
if cointype in ("erc20", "nem"):
|
|
continue
|
|
if not check_key_uniformity(coinlist):
|
|
all_checks_passed = False
|
|
|
|
if not all_checks_passed:
|
|
print("Some checks failed.")
|
|
sys.exit(1)
|
|
else:
|
|
print("Everything is OK.")
|
|
|
|
|
|
@cli.command()
|
|
# fmt: off
|
|
@click.option("-o", "--outfile", type=click.File(mode="w"), default="-")
|
|
@click.option("-s/-S", "--support/--no-support", default=True, help="Include support data for each coin")
|
|
@click.option("-p", "--pretty", is_flag=True, help="Generate nicely formatted JSON")
|
|
@click.option("-l", "--list", "flat_list", is_flag=True, help="Output a flat list of coins")
|
|
@click.option("-i", "--include", metavar="FIELD", multiple=True, help="Include only these fields")
|
|
@click.option("-e", "--exclude", metavar="FIELD", multiple=True, help="Exclude these fields")
|
|
@click.option("-I", "--include-type", metavar="TYPE", multiple=True, help="Include only these categories")
|
|
@click.option("-E", "--exclude-type", metavar="TYPE", multiple=True, help="Exclude these categories")
|
|
@click.option("-f", "--filter", metavar="FIELD=FILTER", multiple=True, help="Include only coins that match a filter")
|
|
@click.option("-F", "--filter-exclude", metavar="FIELD=FILTER", multiple=True, help="Exclude coins that match a filter")
|
|
@click.option("-t", "--exclude-tokens", is_flag=True, help="Exclude ERC20 tokens. Equivalent to '-E erc20'")
|
|
@click.option("-d", "--device", metavar="NAME", help="Only include coins supported on a given device")
|
|
# fmt: on
|
|
def dump(
|
|
outfile,
|
|
support,
|
|
pretty,
|
|
flat_list,
|
|
include,
|
|
exclude,
|
|
include_type,
|
|
exclude_type,
|
|
filter,
|
|
filter_exclude,
|
|
exclude_tokens,
|
|
device,
|
|
):
|
|
"""Dump coin data in JSON format
|
|
|
|
This file is structured the same as the internal data. That is, top-level object
|
|
is a dict with keys: 'bitcoin', 'eth', 'erc20', 'nem' and 'misc'. Value for each
|
|
key is a list of dicts, each describing a known coin.
|
|
|
|
If '--list' is specified, the top-level object is instead a flat list of coins.
|
|
|
|
\b
|
|
Fields are category-specific, except for four common ones:
|
|
- 'name' - human-readable name
|
|
- 'shortcut' - currency symbol
|
|
- 'key' - unique identifier, e.g., 'bitcoin:BTC'
|
|
- 'support' - a dict with entries per known device
|
|
|
|
To control the size and properties of the resulting file, you can specify whether
|
|
or not you want pretty-printing and whether or not to include support data with
|
|
each coin.
|
|
|
|
You can specify which categories and which fields will be included or excluded.
|
|
You cannot specify both include and exclude at the same time. Include is "stronger"
|
|
than exclude, in that _only_ the specified fields are included.
|
|
|
|
You can also specify filters, in the form '-f field=value' (or '-F' for inverse
|
|
filter). Filter values are case-insensitive and support shell-style wildcards,
|
|
so '-f name=bit*' finds all coins whose names start with "bit" or "Bit".
|
|
"""
|
|
if exclude_tokens:
|
|
exclude_type = ("erc20",)
|
|
|
|
if include and exclude:
|
|
raise click.ClickException(
|
|
"You cannot specify --include and --exclude at the same time."
|
|
)
|
|
if include_type and exclude_type:
|
|
raise click.ClickException(
|
|
"You cannot specify --include-type and --exclude-type at the same time."
|
|
)
|
|
|
|
coins = coin_info.coin_info()
|
|
support_info = coin_info.support_info(coins.as_list())
|
|
|
|
if support:
|
|
for category in coins.values():
|
|
for coin in category:
|
|
coin["support"] = support_info[coin["key"]]
|
|
|
|
# filter types
|
|
if include_type:
|
|
coins_dict = {k: v for k, v in coins.items() if k in include_type}
|
|
else:
|
|
coins_dict = {k: v for k, v in coins.items() if k not in exclude_type}
|
|
|
|
# filter individual coins
|
|
include_filters = [f.split("=", maxsplit=1) for f in filter]
|
|
exclude_filters = [f.split("=", maxsplit=1) for f in filter_exclude]
|
|
|
|
# always exclude 'address_bytes', not encodable in JSON
|
|
exclude += ("address_bytes",)
|
|
|
|
def should_include_coin(coin):
|
|
for field, filter in include_filters:
|
|
filter = filter.lower()
|
|
if field not in coin:
|
|
return False
|
|
if not fnmatch.fnmatch(str(coin[field]).lower(), filter):
|
|
return False
|
|
for field, filter in exclude_filters:
|
|
filter = filter.lower()
|
|
if field not in coin:
|
|
continue
|
|
if fnmatch.fnmatch(str(coin[field]).lower(), filter):
|
|
return False
|
|
if device:
|
|
is_supported = support_info[coin["key"]].get(device, None)
|
|
if not is_supported:
|
|
return False
|
|
return True
|
|
|
|
def modify_coin(coin):
|
|
if include:
|
|
return {k: v for k, v in coin.items() if k in include}
|
|
else:
|
|
return {k: v for k, v in coin.items() if k not in exclude}
|
|
|
|
for key, coinlist in coins_dict.items():
|
|
coins_dict[key] = [modify_coin(c) for c in coinlist if should_include_coin(c)]
|
|
|
|
if flat_list:
|
|
output = sum(coins_dict.values(), [])
|
|
else:
|
|
output = coins_dict
|
|
|
|
with outfile:
|
|
indent = 4 if pretty else None
|
|
json.dump(output, outfile, indent=indent, sort_keys=True)
|
|
outfile.write("\n")
|
|
|
|
|
|
@cli.command()
|
|
@click.option("-o", "--outfile", type=click.File(mode="w"), default="./coindefs.json")
|
|
def coindefs(outfile):
|
|
"""Generate signed coin definitions for python-trezor and others
|
|
|
|
This is currently unused but should enable us to add new coins without having to
|
|
update firmware.
|
|
"""
|
|
coins = coin_info.coin_info().bitcoin
|
|
coindefs = {}
|
|
for coin in coins:
|
|
key = coin["key"]
|
|
icon = Image.open(coin["icon"])
|
|
ser = serialize_coindef(coindef_from_dict(coin), convert_icon(icon))
|
|
sig = sign(ser)
|
|
definition = (sig + ser).hex()
|
|
coindefs[key] = definition
|
|
|
|
with outfile:
|
|
json.dump(coindefs, outfile, indent=4, sort_keys=True)
|
|
outfile.write("\n")
|
|
|
|
|
|
@cli.command()
|
|
# fmt: off
|
|
@click.argument("paths", metavar="[path]...", nargs=-1)
|
|
@click.option("-o", "--outfile", type=click.File("w"), help="Alternate output file")
|
|
@click.option("-v", "--verbose", is_flag=True, help="Print rendered file names")
|
|
@click.option("-b", "--bitcoin-only", is_flag=True, help="Accept only Bitcoin coins")
|
|
# fmt: on
|
|
def render(paths, outfile, verbose, bitcoin_only):
|
|
"""Generate source code from Mako templates.
|
|
|
|
For every "foo.bar.mako" filename passed, runs the template and
|
|
saves the result as "foo.bar". For every directory name passed,
|
|
processes all ".mako" files found in that directory.
|
|
|
|
If `-o` is specified, renders a single file into the specified outfile.
|
|
|
|
If no arguments are given, processes the current directory.
|
|
"""
|
|
if not CAN_RENDER:
|
|
raise click.ClickException("Please install 'mako' and 'munch'")
|
|
|
|
if outfile and (len(paths) != 1 or not os.path.isfile(paths[0])):
|
|
raise click.ClickException("Option -o can only be used with single input file")
|
|
|
|
# prepare defs
|
|
defs = coin_info.coin_info()
|
|
support_info = coin_info.support_info(defs)
|
|
|
|
if bitcoin_only:
|
|
defs["bitcoin"] = [
|
|
x
|
|
for x in defs["bitcoin"]
|
|
if x["coin_name"] in ("Bitcoin", "Testnet", "Regtest")
|
|
]
|
|
|
|
# munch dicts - make them attribute-accessible
|
|
for key, value in defs.items():
|
|
defs[key] = [Munch(coin) for coin in value]
|
|
for key, value in support_info.items():
|
|
support_info[key] = Munch(value)
|
|
|
|
def do_render(src, dst):
|
|
if verbose:
|
|
click.echo("Rendering {} => {}".format(src, dst))
|
|
render_file(src, dst, defs, support_info)
|
|
|
|
# single in-out case
|
|
if outfile:
|
|
do_render(paths[0], outfile)
|
|
return
|
|
|
|
# find files in directories
|
|
if not paths:
|
|
paths = ["."]
|
|
|
|
files = []
|
|
for path in paths:
|
|
if not os.path.exists(path):
|
|
click.echo("Path {} does not exist".format(path))
|
|
elif os.path.isdir(path):
|
|
files += glob.glob(os.path.join(path, "*.mako"))
|
|
else:
|
|
files.append(path)
|
|
|
|
# render each file
|
|
for file in files:
|
|
if not file.endswith(".mako"):
|
|
click.echo("File {} does not end with .mako".format(file))
|
|
else:
|
|
target = file[: -len(".mako")]
|
|
with open(target, "w") as dst:
|
|
do_render(file, dst)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cli()
|