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# templater.py - template expansion for output
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#
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import, print_function
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import os
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import re
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import types
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from .i18n import _
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from . import (
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color,
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config,
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encoding,
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error,
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minirst,
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obsutil,
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parser,
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pycompat,
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registrar,
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revset as revsetmod,
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revsetlang,
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scmutil,
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templatefilters,
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templatekw,
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util,
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)
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from .utils import dateutil
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class ResourceUnavailable(error.Abort):
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pass
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class TemplateNotFound(error.Abort):
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pass
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# template parsing
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elements = {
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# token-type: binding-strength, primary, prefix, infix, suffix
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"(": (20, None, ("group", 1, ")"), ("func", 1, ")"), None),
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".": (18, None, None, (".", 18), None),
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"%": (15, None, None, ("%", 15), None),
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"|": (15, None, None, ("|", 15), None),
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"*": (5, None, None, ("*", 5), None),
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"/": (5, None, None, ("/", 5), None),
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"+": (4, None, None, ("+", 4), None),
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"-": (4, None, ("negate", 19), ("-", 4), None),
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"=": (3, None, None, ("keyvalue", 3), None),
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",": (2, None, None, ("list", 2), None),
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")": (0, None, None, None, None),
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"integer": (0, "integer", None, None, None),
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"symbol": (0, "symbol", None, None, None),
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"string": (0, "string", None, None, None),
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"template": (0, "template", None, None, None),
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"end": (0, None, None, None, None),
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}
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def tokenize(program, start, end, term=None):
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"""Parse a template expression into a stream of tokens, which must end
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with term if specified"""
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pos = start
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program = pycompat.bytestr(program)
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while pos < end:
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c = program[pos]
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if c.isspace(): # skip inter-token whitespace
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pass
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elif c in "(=,).%|+-*/": # handle simple operators
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yield (c, None, pos)
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elif c in '"\'': # handle quoted templates
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s = pos + 1
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data, pos = _parsetemplate(program, s, end, c)
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yield ('template', data, s)
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pos -= 1
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elif c == 'r' and program[pos:pos + 2] in ("r'", 'r"'):
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# handle quoted strings
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c = program[pos + 1]
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s = pos = pos + 2
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while pos < end: # find closing quote
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d = program[pos]
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if d == '\\': # skip over escaped characters
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pos += 2
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continue
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if d == c:
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yield ('string', program[s:pos], s)
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break
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pos += 1
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else:
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raise error.ParseError(_("unterminated string"), s)
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elif c.isdigit():
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s = pos
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while pos < end:
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d = program[pos]
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if not d.isdigit():
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break
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pos += 1
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yield ('integer', program[s:pos], s)
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pos -= 1
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elif (c == '\\' and program[pos:pos + 2] in (br"\'", br'\"')
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or c == 'r' and program[pos:pos + 3] in (br"r\'", br'r\"')):
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# handle escaped quoted strings for compatibility with 2.9.2-3.4,
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# where some of nested templates were preprocessed as strings and
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# then compiled. therefore, \"...\" was allowed. (issue4733)
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#
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# processing flow of _evalifliteral() at 5ab28a2e9962:
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# outer template string -> stringify() -> compiletemplate()
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# ------------------------ ------------ ------------------
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# {f("\\\\ {g(\"\\\"\")}"} \\ {g("\"")} [r'\\', {g("\"")}]
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# ~~~~~~~~
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# escaped quoted string
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if c == 'r':
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pos += 1
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token = 'string'
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else:
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token = 'template'
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quote = program[pos:pos + 2]
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s = pos = pos + 2
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while pos < end: # find closing escaped quote
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if program.startswith('\\\\\\', pos, end):
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pos += 4 # skip over double escaped characters
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continue
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if program.startswith(quote, pos, end):
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# interpret as if it were a part of an outer string
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data = parser.unescapestr(program[s:pos])
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if token == 'template':
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data = _parsetemplate(data, 0, len(data))[0]
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yield (token, data, s)
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pos += 1
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break
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pos += 1
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else:
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raise error.ParseError(_("unterminated string"), s)
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elif c.isalnum() or c in '_':
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s = pos
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pos += 1
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while pos < end: # find end of symbol
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d = program[pos]
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if not (d.isalnum() or d == "_"):
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break
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pos += 1
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sym = program[s:pos]
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yield ('symbol', sym, s)
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pos -= 1
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elif c == term:
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yield ('end', None, pos + 1)
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return
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else:
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raise error.ParseError(_("syntax error"), pos)
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pos += 1
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if term:
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raise error.ParseError(_("unterminated template expansion"), start)
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yield ('end', None, pos)
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def _parsetemplate(tmpl, start, stop, quote=''):
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r"""
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>>> _parsetemplate(b'foo{bar}"baz', 0, 12)
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([('string', 'foo'), ('symbol', 'bar'), ('string', '"baz')], 12)
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>>> _parsetemplate(b'foo{bar}"baz', 0, 12, quote=b'"')
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([('string', 'foo'), ('symbol', 'bar')], 9)
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>>> _parsetemplate(b'foo"{bar}', 0, 9, quote=b'"')
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([('string', 'foo')], 4)
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>>> _parsetemplate(br'foo\"bar"baz', 0, 12, quote=b'"')
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([('string', 'foo"'), ('string', 'bar')], 9)
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>>> _parsetemplate(br'foo\\"bar', 0, 10, quote=b'"')
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([('string', 'foo\\')], 6)
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"""
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parsed = []
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for typ, val, pos in _scantemplate(tmpl, start, stop, quote):
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if typ == 'string':
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parsed.append((typ, val))
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elif typ == 'template':
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parsed.append(val)
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elif typ == 'end':
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return parsed, pos
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else:
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raise error.ProgrammingError('unexpected type: %s' % typ)
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raise error.ProgrammingError('unterminated scanning of template')
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def scantemplate(tmpl, raw=False):
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r"""Scan (type, start, end) positions of outermost elements in template
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If raw=True, a backslash is not taken as an escape character just like
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r'' string in Python. Note that this is different from r'' literal in
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template in that no template fragment can appear in r'', e.g. r'{foo}'
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is a literal '{foo}', but ('{foo}', raw=True) is a template expression
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'foo'.
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>>> list(scantemplate(b'foo{bar}"baz'))
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[('string', 0, 3), ('template', 3, 8), ('string', 8, 12)]
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>>> list(scantemplate(b'outer{"inner"}outer'))
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[('string', 0, 5), ('template', 5, 14), ('string', 14, 19)]
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>>> list(scantemplate(b'foo\\{escaped}'))
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[('string', 0, 5), ('string', 5, 13)]
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>>> list(scantemplate(b'foo\\{escaped}', raw=True))
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[('string', 0, 4), ('template', 4, 13)]
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"""
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last = None
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for typ, val, pos in _scantemplate(tmpl, 0, len(tmpl), raw=raw):
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if last:
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yield last + (pos,)
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if typ == 'end':
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return
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else:
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last = (typ, pos)
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raise error.ProgrammingError('unterminated scanning of template')
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def _scantemplate(tmpl, start, stop, quote='', raw=False):
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"""Parse template string into chunks of strings and template expressions"""
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sepchars = '{' + quote
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unescape = [parser.unescapestr, pycompat.identity][raw]
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pos = start
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p = parser.parser(elements)
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while pos < stop:
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n = min((tmpl.find(c, pos, stop) for c in sepchars),
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key=lambda n: (n < 0, n))
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if n < 0:
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yield ('string', unescape(tmpl[pos:stop]), pos)
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pos = stop
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break
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c = tmpl[n:n + 1]
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bs = 0 # count leading backslashes
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if not raw:
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bs = (n - pos) - len(tmpl[pos:n].rstrip('\\'))
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if bs % 2 == 1:
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# escaped (e.g. '\{', '\\\{', but not '\\{')
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yield ('string', unescape(tmpl[pos:n - 1]) + c, pos)
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pos = n + 1
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continue
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if n > pos:
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yield ('string', unescape(tmpl[pos:n]), pos)
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if c == quote:
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yield ('end', None, n + 1)
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return
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parseres, pos = p.parse(tokenize(tmpl, n + 1, stop, '}'))
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if not tmpl.endswith('}', n + 1, pos):
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raise error.ParseError(_("invalid token"), pos)
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yield ('template', parseres, n)
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if quote:
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raise error.ParseError(_("unterminated string"), start)
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yield ('end', None, pos)
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def _unnesttemplatelist(tree):
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"""Expand list of templates to node tuple
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>>> def f(tree):
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... print(pycompat.sysstr(prettyformat(_unnesttemplatelist(tree))))
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>>> f((b'template', []))
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(string '')
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>>> f((b'template', [(b'string', b'foo')]))
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(string 'foo')
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>>> f((b'template', [(b'string', b'foo'), (b'symbol', b'rev')]))
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(template
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(string 'foo')
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(symbol 'rev'))
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>>> f((b'template', [(b'symbol', b'rev')])) # template(rev) -> str
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(template
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(symbol 'rev'))
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>>> f((b'template', [(b'template', [(b'string', b'foo')])]))
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(string 'foo')
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"""
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if not isinstance(tree, tuple):
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return tree
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op = tree[0]
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if op != 'template':
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return (op,) + tuple(_unnesttemplatelist(x) for x in tree[1:])
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assert len(tree) == 2
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xs = tuple(_unnesttemplatelist(x) for x in tree[1])
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if not xs:
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return ('string', '') # empty template ""
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elif len(xs) == 1 and xs[0][0] == 'string':
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return xs[0] # fast path for string with no template fragment "x"
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else:
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return (op,) + xs
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def parse(tmpl):
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"""Parse template string into tree"""
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parsed, pos = _parsetemplate(tmpl, 0, len(tmpl))
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assert pos == len(tmpl), 'unquoted template should be consumed'
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return _unnesttemplatelist(('template', parsed))
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def _parseexpr(expr):
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"""Parse a template expression into tree
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>>> _parseexpr(b'"foo"')
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('string', 'foo')
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>>> _parseexpr(b'foo(bar)')
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('func', ('symbol', 'foo'), ('symbol', 'bar'))
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>>> _parseexpr(b'foo(')
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Traceback (most recent call last):
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...
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ParseError: ('not a prefix: end', 4)
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>>> _parseexpr(b'"foo" "bar"')
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Traceback (most recent call last):
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...
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ParseError: ('invalid token', 7)
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"""
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p = parser.parser(elements)
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tree, pos = p.parse(tokenize(expr, 0, len(expr)))
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if pos != len(expr):
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raise error.ParseError(_('invalid token'), pos)
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return _unnesttemplatelist(tree)
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def prettyformat(tree):
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return parser.prettyformat(tree, ('integer', 'string', 'symbol'))
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def compileexp(exp, context, curmethods):
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"""Compile parsed template tree to (func, data) pair"""
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if not exp:
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raise error.ParseError(_("missing argument"))
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t = exp[0]
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if t in curmethods:
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return curmethods[t](exp, context)
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raise error.ParseError(_("unknown method '%s'") % t)
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# template evaluation
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def getsymbol(exp):
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if exp[0] == 'symbol':
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return exp[1]
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raise error.ParseError(_("expected a symbol, got '%s'") % exp[0])
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def getlist(x):
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if not x:
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return []
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if x[0] == 'list':
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return getlist(x[1]) + [x[2]]
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return [x]
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def gettemplate(exp, context):
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"""Compile given template tree or load named template from map file;
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returns (func, data) pair"""
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if exp[0] in ('template', 'string'):
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return compileexp(exp, context, methods)
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if exp[0] == 'symbol':
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# unlike runsymbol(), here 'symbol' is always taken as template name
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# even if it exists in mapping. this allows us to override mapping
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# by web templates, e.g. 'changelogtag' is redefined in map file.
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return context._load(exp[1])
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raise error.ParseError(_("expected template specifier"))
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def findsymbolicname(arg):
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"""Find symbolic name for the given compiled expression; returns None
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if nothing found reliably"""
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while True:
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func, data = arg
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if func is runsymbol:
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return data
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elif func is runfilter:
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arg = data[0]
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else:
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return None
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def evalrawexp(context, mapping, arg):
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"""Evaluate given argument as a bare template object which may require
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further processing (such as folding generator of strings)"""
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func, data = arg
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return func(context, mapping, data)
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def evalfuncarg(context, mapping, arg):
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"""Evaluate given argument as value type"""
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thing = evalrawexp(context, mapping, arg)
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thing = templatekw.unwrapvalue(thing)
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# evalrawexp() may return string, generator of strings or arbitrary object
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# such as date tuple, but filter does not want generator.
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if isinstance(thing, types.GeneratorType):
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thing = stringify(thing)
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return thing
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def evalboolean(context, mapping, arg):
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"""Evaluate given argument as boolean, but also takes boolean literals"""
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func, data = arg
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if func is runsymbol:
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thing = func(context, mapping, data, default=None)
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if thing is None:
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# not a template keyword, takes as a boolean literal
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thing = util.parsebool(data)
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else:
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thing = func(context, mapping, data)
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thing = templatekw.unwrapvalue(thing)
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if isinstance(thing, bool):
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return thing
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# other objects are evaluated as strings, which means 0 is True, but
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# empty dict/list should be False as they are expected to be ''
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return bool(stringify(thing))
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def evalinteger(context, mapping, arg, err=None):
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v = evalfuncarg(context, mapping, arg)
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try:
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return int(v)
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except (TypeError, ValueError):
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raise error.ParseError(err or _('not an integer'))
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def evalstring(context, mapping, arg):
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return stringify(evalrawexp(context, mapping, arg))
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def evalstringliteral(context, mapping, arg):
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"""Evaluate given argument as string template, but returns symbol name
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if it is unknown"""
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func, data = arg
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if func is runsymbol:
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thing = func(context, mapping, data, default=data)
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else:
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thing = func(context, mapping, data)
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return stringify(thing)
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_evalfuncbytype = {
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bool: evalboolean,
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bytes: evalstring,
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int: evalinteger,
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}
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def evalastype(context, mapping, arg, typ):
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"""Evaluate given argument and coerce its type"""
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try:
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f = _evalfuncbytype[typ]
|
|
|
except KeyError:
|
|
|
raise error.ProgrammingError('invalid type specified: %r' % typ)
|
|
|
return f(context, mapping, arg)
|
|
|
|
|
|
def runinteger(context, mapping, data):
|
|
|
return int(data)
|
|
|
|
|
|
def runstring(context, mapping, data):
|
|
|
return data
|
|
|
|
|
|
def _recursivesymbolblocker(key):
|
|
|
def showrecursion(**args):
|
|
|
raise error.Abort(_("recursive reference '%s' in template") % key)
|
|
|
return showrecursion
|
|
|
|
|
|
def _runrecursivesymbol(context, mapping, key):
|
|
|
raise error.Abort(_("recursive reference '%s' in template") % key)
|
|
|
|
|
|
def runsymbol(context, mapping, key, default=''):
|
|
|
v = context.symbol(mapping, key)
|
|
|
if v is None:
|
|
|
# put poison to cut recursion. we can't move this to parsing phase
|
|
|
# because "x = {x}" is allowed if "x" is a keyword. (issue4758)
|
|
|
safemapping = mapping.copy()
|
|
|
safemapping[key] = _recursivesymbolblocker(key)
|
|
|
try:
|
|
|
v = context.process(key, safemapping)
|
|
|
except TemplateNotFound:
|
|
|
v = default
|
|
|
if callable(v) and getattr(v, '_requires', None) is None:
|
|
|
# old templatekw: expand all keywords and resources
|
|
|
props = context._resources.copy()
|
|
|
props.update(mapping)
|
|
|
return v(**pycompat.strkwargs(props))
|
|
|
if callable(v):
|
|
|
# new templatekw
|
|
|
try:
|
|
|
return v(context, mapping)
|
|
|
except ResourceUnavailable:
|
|
|
# unsupported keyword is mapped to empty just like unknown keyword
|
|
|
return None
|
|
|
return v
|
|
|
|
|
|
def buildtemplate(exp, context):
|
|
|
ctmpl = [compileexp(e, context, methods) for e in exp[1:]]
|
|
|
return (runtemplate, ctmpl)
|
|
|
|
|
|
def runtemplate(context, mapping, template):
|
|
|
for arg in template:
|
|
|
yield evalrawexp(context, mapping, arg)
|
|
|
|
|
|
def buildfilter(exp, context):
|
|
|
n = getsymbol(exp[2])
|
|
|
if n in context._filters:
|
|
|
filt = context._filters[n]
|
|
|
arg = compileexp(exp[1], context, methods)
|
|
|
return (runfilter, (arg, filt))
|
|
|
if n in funcs:
|
|
|
f = funcs[n]
|
|
|
args = _buildfuncargs(exp[1], context, methods, n, f._argspec)
|
|
|
return (f, args)
|
|
|
raise error.ParseError(_("unknown function '%s'") % n)
|
|
|
|
|
|
def runfilter(context, mapping, data):
|
|
|
arg, filt = data
|
|
|
thing = evalfuncarg(context, mapping, arg)
|
|
|
try:
|
|
|
return filt(thing)
|
|
|
except (ValueError, AttributeError, TypeError):
|
|
|
sym = findsymbolicname(arg)
|
|
|
if sym:
|
|
|
msg = (_("template filter '%s' is not compatible with keyword '%s'")
|
|
|
% (pycompat.sysbytes(filt.__name__), sym))
|
|
|
else:
|
|
|
msg = (_("incompatible use of template filter '%s'")
|
|
|
% pycompat.sysbytes(filt.__name__))
|
|
|
raise error.Abort(msg)
|
|
|
|
|
|
def buildmap(exp, context):
|
|
|
darg = compileexp(exp[1], context, methods)
|
|
|
targ = gettemplate(exp[2], context)
|
|
|
return (runmap, (darg, targ))
|
|
|
|
|
|
def runmap(context, mapping, data):
|
|
|
darg, targ = data
|
|
|
d = evalrawexp(context, mapping, darg)
|
|
|
if util.safehasattr(d, 'itermaps'):
|
|
|
diter = d.itermaps()
|
|
|
else:
|
|
|
try:
|
|
|
diter = iter(d)
|
|
|
except TypeError:
|
|
|
sym = findsymbolicname(darg)
|
|
|
if sym:
|
|
|
raise error.ParseError(_("keyword '%s' is not iterable") % sym)
|
|
|
else:
|
|
|
raise error.ParseError(_("%r is not iterable") % d)
|
|
|
|
|
|
for i, v in enumerate(diter):
|
|
|
lm = mapping.copy()
|
|
|
lm['index'] = i
|
|
|
if isinstance(v, dict):
|
|
|
lm.update(v)
|
|
|
lm['originalnode'] = mapping.get('node')
|
|
|
yield evalrawexp(context, lm, targ)
|
|
|
else:
|
|
|
# v is not an iterable of dicts, this happen when 'key'
|
|
|
# has been fully expanded already and format is useless.
|
|
|
# If so, return the expanded value.
|
|
|
yield v
|
|
|
|
|
|
def buildmember(exp, context):
|
|
|
darg = compileexp(exp[1], context, methods)
|
|
|
memb = getsymbol(exp[2])
|
|
|
return (runmember, (darg, memb))
|
|
|
|
|
|
def runmember(context, mapping, data):
|
|
|
darg, memb = data
|
|
|
d = evalrawexp(context, mapping, darg)
|
|
|
if util.safehasattr(d, 'tomap'):
|
|
|
lm = mapping.copy()
|
|
|
lm.update(d.tomap())
|
|
|
return runsymbol(context, lm, memb)
|
|
|
if util.safehasattr(d, 'get'):
|
|
|
return _getdictitem(d, memb)
|
|
|
|
|
|
sym = findsymbolicname(darg)
|
|
|
if sym:
|
|
|
raise error.ParseError(_("keyword '%s' has no member") % sym)
|
|
|
else:
|
|
|
raise error.ParseError(_("%r has no member") % pycompat.bytestr(d))
|
|
|
|
|
|
def buildnegate(exp, context):
|
|
|
arg = compileexp(exp[1], context, exprmethods)
|
|
|
return (runnegate, arg)
|
|
|
|
|
|
def runnegate(context, mapping, data):
|
|
|
data = evalinteger(context, mapping, data,
|
|
|
_('negation needs an integer argument'))
|
|
|
return -data
|
|
|
|
|
|
def buildarithmetic(exp, context, func):
|
|
|
left = compileexp(exp[1], context, exprmethods)
|
|
|
right = compileexp(exp[2], context, exprmethods)
|
|
|
return (runarithmetic, (func, left, right))
|
|
|
|
|
|
def runarithmetic(context, mapping, data):
|
|
|
func, left, right = data
|
|
|
left = evalinteger(context, mapping, left,
|
|
|
_('arithmetic only defined on integers'))
|
|
|
right = evalinteger(context, mapping, right,
|
|
|
_('arithmetic only defined on integers'))
|
|
|
try:
|
|
|
return func(left, right)
|
|
|
except ZeroDivisionError:
|
|
|
raise error.Abort(_('division by zero is not defined'))
|
|
|
|
|
|
def buildfunc(exp, context):
|
|
|
n = getsymbol(exp[1])
|
|
|
if n in funcs:
|
|
|
f = funcs[n]
|
|
|
args = _buildfuncargs(exp[2], context, exprmethods, n, f._argspec)
|
|
|
return (f, args)
|
|
|
if n in context._filters:
|
|
|
args = _buildfuncargs(exp[2], context, exprmethods, n, argspec=None)
|
|
|
if len(args) != 1:
|
|
|
raise error.ParseError(_("filter %s expects one argument") % n)
|
|
|
f = context._filters[n]
|
|
|
return (runfilter, (args[0], f))
|
|
|
raise error.ParseError(_("unknown function '%s'") % n)
|
|
|
|
|
|
def _buildfuncargs(exp, context, curmethods, funcname, argspec):
|
|
|
"""Compile parsed tree of function arguments into list or dict of
|
|
|
(func, data) pairs
|
|
|
|
|
|
>>> context = engine(lambda t: (runsymbol, t))
|
|
|
>>> def fargs(expr, argspec):
|
|
|
... x = _parseexpr(expr)
|
|
|
... n = getsymbol(x[1])
|
|
|
... return _buildfuncargs(x[2], context, exprmethods, n, argspec)
|
|
|
>>> list(fargs(b'a(l=1, k=2)', b'k l m').keys())
|
|
|
['l', 'k']
|
|
|
>>> args = fargs(b'a(opts=1, k=2)', b'**opts')
|
|
|
>>> list(args.keys()), list(args[b'opts'].keys())
|
|
|
(['opts'], ['opts', 'k'])
|
|
|
"""
|
|
|
def compiledict(xs):
|
|
|
return util.sortdict((k, compileexp(x, context, curmethods))
|
|
|
for k, x in xs.iteritems())
|
|
|
def compilelist(xs):
|
|
|
return [compileexp(x, context, curmethods) for x in xs]
|
|
|
|
|
|
if not argspec:
|
|
|
# filter or function with no argspec: return list of positional args
|
|
|
return compilelist(getlist(exp))
|
|
|
|
|
|
# function with argspec: return dict of named args
|
|
|
_poskeys, varkey, _keys, optkey = argspec = parser.splitargspec(argspec)
|
|
|
treeargs = parser.buildargsdict(getlist(exp), funcname, argspec,
|
|
|
keyvaluenode='keyvalue', keynode='symbol')
|
|
|
compargs = util.sortdict()
|
|
|
if varkey:
|
|
|
compargs[varkey] = compilelist(treeargs.pop(varkey))
|
|
|
if optkey:
|
|
|
compargs[optkey] = compiledict(treeargs.pop(optkey))
|
|
|
compargs.update(compiledict(treeargs))
|
|
|
return compargs
|
|
|
|
|
|
def buildkeyvaluepair(exp, content):
|
|
|
raise error.ParseError(_("can't use a key-value pair in this context"))
|
|
|
|
|
|
# dict of template built-in functions
|
|
|
funcs = {}
|
|
|
|
|
|
templatefunc = registrar.templatefunc(funcs)
|
|
|
|
|
|
@templatefunc('date(date[, fmt])')
|
|
|
def date(context, mapping, args):
|
|
|
"""Format a date. See :hg:`help dates` for formatting
|
|
|
strings. The default is a Unix date format, including the timezone:
|
|
|
"Mon Sep 04 15:13:13 2006 0700"."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "date" is a keyword
|
|
|
raise error.ParseError(_("date expects one or two arguments"))
|
|
|
|
|
|
date = evalfuncarg(context, mapping, args[0])
|
|
|
fmt = None
|
|
|
if len(args) == 2:
|
|
|
fmt = evalstring(context, mapping, args[1])
|
|
|
try:
|
|
|
if fmt is None:
|
|
|
return dateutil.datestr(date)
|
|
|
else:
|
|
|
return dateutil.datestr(date, fmt)
|
|
|
except (TypeError, ValueError):
|
|
|
# i18n: "date" is a keyword
|
|
|
raise error.ParseError(_("date expects a date information"))
|
|
|
|
|
|
@templatefunc('dict([[key=]value...])', argspec='*args **kwargs')
|
|
|
def dict_(context, mapping, args):
|
|
|
"""Construct a dict from key-value pairs. A key may be omitted if
|
|
|
a value expression can provide an unambiguous name."""
|
|
|
data = util.sortdict()
|
|
|
|
|
|
for v in args['args']:
|
|
|
k = findsymbolicname(v)
|
|
|
if not k:
|
|
|
raise error.ParseError(_('dict key cannot be inferred'))
|
|
|
if k in data or k in args['kwargs']:
|
|
|
raise error.ParseError(_("duplicated dict key '%s' inferred") % k)
|
|
|
data[k] = evalfuncarg(context, mapping, v)
|
|
|
|
|
|
data.update((k, evalfuncarg(context, mapping, v))
|
|
|
for k, v in args['kwargs'].iteritems())
|
|
|
return templatekw.hybriddict(data)
|
|
|
|
|
|
@templatefunc('diff([includepattern [, excludepattern]])')
|
|
|
def diff(context, mapping, args):
|
|
|
"""Show a diff, optionally
|
|
|
specifying files to include or exclude."""
|
|
|
if len(args) > 2:
|
|
|
# i18n: "diff" is a keyword
|
|
|
raise error.ParseError(_("diff expects zero, one, or two arguments"))
|
|
|
|
|
|
def getpatterns(i):
|
|
|
if i < len(args):
|
|
|
s = evalstring(context, mapping, args[i]).strip()
|
|
|
if s:
|
|
|
return [s]
|
|
|
return []
|
|
|
|
|
|
ctx = context.resource(mapping, 'ctx')
|
|
|
chunks = ctx.diff(match=ctx.match([], getpatterns(0), getpatterns(1)))
|
|
|
|
|
|
return ''.join(chunks)
|
|
|
|
|
|
@templatefunc('extdata(source)', argspec='source')
|
|
|
def extdata(context, mapping, args):
|
|
|
"""Show a text read from the specified extdata source. (EXPERIMENTAL)"""
|
|
|
if 'source' not in args:
|
|
|
# i18n: "extdata" is a keyword
|
|
|
raise error.ParseError(_('extdata expects one argument'))
|
|
|
|
|
|
source = evalstring(context, mapping, args['source'])
|
|
|
cache = context.resource(mapping, 'cache').setdefault('extdata', {})
|
|
|
ctx = context.resource(mapping, 'ctx')
|
|
|
if source in cache:
|
|
|
data = cache[source]
|
|
|
else:
|
|
|
data = cache[source] = scmutil.extdatasource(ctx.repo(), source)
|
|
|
return data.get(ctx.rev(), '')
|
|
|
|
|
|
@templatefunc('files(pattern)')
|
|
|
def files(context, mapping, args):
|
|
|
"""All files of the current changeset matching the pattern. See
|
|
|
:hg:`help patterns`."""
|
|
|
if not len(args) == 1:
|
|
|
# i18n: "files" is a keyword
|
|
|
raise error.ParseError(_("files expects one argument"))
|
|
|
|
|
|
raw = evalstring(context, mapping, args[0])
|
|
|
ctx = context.resource(mapping, 'ctx')
|
|
|
m = ctx.match([raw])
|
|
|
files = list(ctx.matches(m))
|
|
|
return templatekw.compatlist(context, mapping, "file", files)
|
|
|
|
|
|
@templatefunc('fill(text[, width[, initialident[, hangindent]]])')
|
|
|
def fill(context, mapping, args):
|
|
|
"""Fill many
|
|
|
paragraphs with optional indentation. See the "fill" filter."""
|
|
|
if not (1 <= len(args) <= 4):
|
|
|
# i18n: "fill" is a keyword
|
|
|
raise error.ParseError(_("fill expects one to four arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
width = 76
|
|
|
initindent = ''
|
|
|
hangindent = ''
|
|
|
if 2 <= len(args) <= 4:
|
|
|
width = evalinteger(context, mapping, args[1],
|
|
|
# i18n: "fill" is a keyword
|
|
|
_("fill expects an integer width"))
|
|
|
try:
|
|
|
initindent = evalstring(context, mapping, args[2])
|
|
|
hangindent = evalstring(context, mapping, args[3])
|
|
|
except IndexError:
|
|
|
pass
|
|
|
|
|
|
return templatefilters.fill(text, width, initindent, hangindent)
|
|
|
|
|
|
@templatefunc('formatnode(node)')
|
|
|
def formatnode(context, mapping, args):
|
|
|
"""Obtain the preferred form of a changeset hash. (DEPRECATED)"""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "formatnode" is a keyword
|
|
|
raise error.ParseError(_("formatnode expects one argument"))
|
|
|
|
|
|
ui = context.resource(mapping, 'ui')
|
|
|
node = evalstring(context, mapping, args[0])
|
|
|
if ui.debugflag:
|
|
|
return node
|
|
|
return templatefilters.short(node)
|
|
|
|
|
|
@templatefunc('pad(text, width[, fillchar=\' \'[, left=False]])',
|
|
|
argspec='text width fillchar left')
|
|
|
def pad(context, mapping, args):
|
|
|
"""Pad text with a
|
|
|
fill character."""
|
|
|
if 'text' not in args or 'width' not in args:
|
|
|
# i18n: "pad" is a keyword
|
|
|
raise error.ParseError(_("pad() expects two to four arguments"))
|
|
|
|
|
|
width = evalinteger(context, mapping, args['width'],
|
|
|
# i18n: "pad" is a keyword
|
|
|
_("pad() expects an integer width"))
|
|
|
|
|
|
text = evalstring(context, mapping, args['text'])
|
|
|
|
|
|
left = False
|
|
|
fillchar = ' '
|
|
|
if 'fillchar' in args:
|
|
|
fillchar = evalstring(context, mapping, args['fillchar'])
|
|
|
if len(color.stripeffects(fillchar)) != 1:
|
|
|
# i18n: "pad" is a keyword
|
|
|
raise error.ParseError(_("pad() expects a single fill character"))
|
|
|
if 'left' in args:
|
|
|
left = evalboolean(context, mapping, args['left'])
|
|
|
|
|
|
fillwidth = width - encoding.colwidth(color.stripeffects(text))
|
|
|
if fillwidth <= 0:
|
|
|
return text
|
|
|
if left:
|
|
|
return fillchar * fillwidth + text
|
|
|
else:
|
|
|
return text + fillchar * fillwidth
|
|
|
|
|
|
@templatefunc('indent(text, indentchars[, firstline])')
|
|
|
def indent(context, mapping, args):
|
|
|
"""Indents all non-empty lines
|
|
|
with the characters given in the indentchars string. An optional
|
|
|
third parameter will override the indent for the first line only
|
|
|
if present."""
|
|
|
if not (2 <= len(args) <= 3):
|
|
|
# i18n: "indent" is a keyword
|
|
|
raise error.ParseError(_("indent() expects two or three arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
indent = evalstring(context, mapping, args[1])
|
|
|
|
|
|
if len(args) == 3:
|
|
|
firstline = evalstring(context, mapping, args[2])
|
|
|
else:
|
|
|
firstline = indent
|
|
|
|
|
|
# the indent function doesn't indent the first line, so we do it here
|
|
|
return templatefilters.indent(firstline + text, indent)
|
|
|
|
|
|
@templatefunc('get(dict, key)')
|
|
|
def get(context, mapping, args):
|
|
|
"""Get an attribute/key from an object. Some keywords
|
|
|
are complex types. This function allows you to obtain the value of an
|
|
|
attribute on these types."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "get" is a keyword
|
|
|
raise error.ParseError(_("get() expects two arguments"))
|
|
|
|
|
|
dictarg = evalfuncarg(context, mapping, args[0])
|
|
|
if not util.safehasattr(dictarg, 'get'):
|
|
|
# i18n: "get" is a keyword
|
|
|
raise error.ParseError(_("get() expects a dict as first argument"))
|
|
|
|
|
|
key = evalfuncarg(context, mapping, args[1])
|
|
|
return _getdictitem(dictarg, key)
|
|
|
|
|
|
def _getdictitem(dictarg, key):
|
|
|
val = dictarg.get(key)
|
|
|
if val is None:
|
|
|
return
|
|
|
return templatekw.wraphybridvalue(dictarg, key, val)
|
|
|
|
|
|
@templatefunc('if(expr, then[, else])')
|
|
|
def if_(context, mapping, args):
|
|
|
"""Conditionally execute based on the result of
|
|
|
an expression."""
|
|
|
if not (2 <= len(args) <= 3):
|
|
|
# i18n: "if" is a keyword
|
|
|
raise error.ParseError(_("if expects two or three arguments"))
|
|
|
|
|
|
test = evalboolean(context, mapping, args[0])
|
|
|
if test:
|
|
|
yield evalrawexp(context, mapping, args[1])
|
|
|
elif len(args) == 3:
|
|
|
yield evalrawexp(context, mapping, args[2])
|
|
|
|
|
|
@templatefunc('ifcontains(needle, haystack, then[, else])')
|
|
|
def ifcontains(context, mapping, args):
|
|
|
"""Conditionally execute based
|
|
|
on whether the item "needle" is in "haystack"."""
|
|
|
if not (3 <= len(args) <= 4):
|
|
|
# i18n: "ifcontains" is a keyword
|
|
|
raise error.ParseError(_("ifcontains expects three or four arguments"))
|
|
|
|
|
|
haystack = evalfuncarg(context, mapping, args[1])
|
|
|
try:
|
|
|
needle = evalastype(context, mapping, args[0],
|
|
|
getattr(haystack, 'keytype', None) or bytes)
|
|
|
found = (needle in haystack)
|
|
|
except error.ParseError:
|
|
|
found = False
|
|
|
|
|
|
if found:
|
|
|
yield evalrawexp(context, mapping, args[2])
|
|
|
elif len(args) == 4:
|
|
|
yield evalrawexp(context, mapping, args[3])
|
|
|
|
|
|
@templatefunc('ifeq(expr1, expr2, then[, else])')
|
|
|
def ifeq(context, mapping, args):
|
|
|
"""Conditionally execute based on
|
|
|
whether 2 items are equivalent."""
|
|
|
if not (3 <= len(args) <= 4):
|
|
|
# i18n: "ifeq" is a keyword
|
|
|
raise error.ParseError(_("ifeq expects three or four arguments"))
|
|
|
|
|
|
test = evalstring(context, mapping, args[0])
|
|
|
match = evalstring(context, mapping, args[1])
|
|
|
if test == match:
|
|
|
yield evalrawexp(context, mapping, args[2])
|
|
|
elif len(args) == 4:
|
|
|
yield evalrawexp(context, mapping, args[3])
|
|
|
|
|
|
@templatefunc('join(list, sep)')
|
|
|
def join(context, mapping, args):
|
|
|
"""Join items in a list with a delimiter."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "join" is a keyword
|
|
|
raise error.ParseError(_("join expects one or two arguments"))
|
|
|
|
|
|
# TODO: perhaps this should be evalfuncarg(), but it can't because hgweb
|
|
|
# abuses generator as a keyword that returns a list of dicts.
|
|
|
joinset = evalrawexp(context, mapping, args[0])
|
|
|
joinset = templatekw.unwrapvalue(joinset)
|
|
|
joinfmt = getattr(joinset, 'joinfmt', pycompat.identity)
|
|
|
joiner = " "
|
|
|
if len(args) > 1:
|
|
|
joiner = evalstring(context, mapping, args[1])
|
|
|
|
|
|
first = True
|
|
|
for x in pycompat.maybebytestr(joinset):
|
|
|
if first:
|
|
|
first = False
|
|
|
else:
|
|
|
yield joiner
|
|
|
yield joinfmt(x)
|
|
|
|
|
|
@templatefunc('label(label, expr)')
|
|
|
def label(context, mapping, args):
|
|
|
"""Apply a label to generated content. Content with
|
|
|
a label applied can result in additional post-processing, such as
|
|
|
automatic colorization."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "label" is a keyword
|
|
|
raise error.ParseError(_("label expects two arguments"))
|
|
|
|
|
|
ui = context.resource(mapping, 'ui')
|
|
|
thing = evalstring(context, mapping, args[1])
|
|
|
# preserve unknown symbol as literal so effects like 'red', 'bold',
|
|
|
# etc. don't need to be quoted
|
|
|
label = evalstringliteral(context, mapping, args[0])
|
|
|
|
|
|
return ui.label(thing, label)
|
|
|
|
|
|
@templatefunc('latesttag([pattern])')
|
|
|
def latesttag(context, mapping, args):
|
|
|
"""The global tags matching the given pattern on the
|
|
|
most recent globally tagged ancestor of this changeset.
|
|
|
If no such tags exist, the "{tag}" template resolves to
|
|
|
the string "null"."""
|
|
|
if len(args) > 1:
|
|
|
# i18n: "latesttag" is a keyword
|
|
|
raise error.ParseError(_("latesttag expects at most one argument"))
|
|
|
|
|
|
pattern = None
|
|
|
if len(args) == 1:
|
|
|
pattern = evalstring(context, mapping, args[0])
|
|
|
return templatekw.showlatesttags(context, mapping, pattern)
|
|
|
|
|
|
@templatefunc('localdate(date[, tz])')
|
|
|
def localdate(context, mapping, args):
|
|
|
"""Converts a date to the specified timezone.
|
|
|
The default is local date."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "localdate" is a keyword
|
|
|
raise error.ParseError(_("localdate expects one or two arguments"))
|
|
|
|
|
|
date = evalfuncarg(context, mapping, args[0])
|
|
|
try:
|
|
|
date = dateutil.parsedate(date)
|
|
|
except AttributeError: # not str nor date tuple
|
|
|
# i18n: "localdate" is a keyword
|
|
|
raise error.ParseError(_("localdate expects a date information"))
|
|
|
if len(args) >= 2:
|
|
|
tzoffset = None
|
|
|
tz = evalfuncarg(context, mapping, args[1])
|
|
|
if isinstance(tz, bytes):
|
|
|
tzoffset, remainder = dateutil.parsetimezone(tz)
|
|
|
if remainder:
|
|
|
tzoffset = None
|
|
|
if tzoffset is None:
|
|
|
try:
|
|
|
tzoffset = int(tz)
|
|
|
except (TypeError, ValueError):
|
|
|
# i18n: "localdate" is a keyword
|
|
|
raise error.ParseError(_("localdate expects a timezone"))
|
|
|
else:
|
|
|
tzoffset = dateutil.makedate()[1]
|
|
|
return (date[0], tzoffset)
|
|
|
|
|
|
@templatefunc('max(iterable)')
|
|
|
def max_(context, mapping, args, **kwargs):
|
|
|
"""Return the max of an iterable"""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "max" is a keyword
|
|
|
raise error.ParseError(_("max expects one argument"))
|
|
|
|
|
|
iterable = evalfuncarg(context, mapping, args[0])
|
|
|
try:
|
|
|
x = max(pycompat.maybebytestr(iterable))
|
|
|
except (TypeError, ValueError):
|
|
|
# i18n: "max" is a keyword
|
|
|
raise error.ParseError(_("max first argument should be an iterable"))
|
|
|
return templatekw.wraphybridvalue(iterable, x, x)
|
|
|
|
|
|
@templatefunc('min(iterable)')
|
|
|
def min_(context, mapping, args, **kwargs):
|
|
|
"""Return the min of an iterable"""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "min" is a keyword
|
|
|
raise error.ParseError(_("min expects one argument"))
|
|
|
|
|
|
iterable = evalfuncarg(context, mapping, args[0])
|
|
|
try:
|
|
|
x = min(pycompat.maybebytestr(iterable))
|
|
|
except (TypeError, ValueError):
|
|
|
# i18n: "min" is a keyword
|
|
|
raise error.ParseError(_("min first argument should be an iterable"))
|
|
|
return templatekw.wraphybridvalue(iterable, x, x)
|
|
|
|
|
|
@templatefunc('mod(a, b)')
|
|
|
def mod(context, mapping, args):
|
|
|
"""Calculate a mod b such that a / b + a mod b == a"""
|
|
|
if not len(args) == 2:
|
|
|
# i18n: "mod" is a keyword
|
|
|
raise error.ParseError(_("mod expects two arguments"))
|
|
|
|
|
|
func = lambda a, b: a % b
|
|
|
return runarithmetic(context, mapping, (func, args[0], args[1]))
|
|
|
|
|
|
@templatefunc('obsfateoperations(markers)')
|
|
|
def obsfateoperations(context, mapping, args):
|
|
|
"""Compute obsfate related information based on markers (EXPERIMENTAL)"""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "obsfateoperations" is a keyword
|
|
|
raise error.ParseError(_("obsfateoperations expects one argument"))
|
|
|
|
|
|
markers = evalfuncarg(context, mapping, args[0])
|
|
|
|
|
|
try:
|
|
|
data = obsutil.markersoperations(markers)
|
|
|
return templatekw.hybridlist(data, name='operation')
|
|
|
except (TypeError, KeyError):
|
|
|
# i18n: "obsfateoperations" is a keyword
|
|
|
errmsg = _("obsfateoperations first argument should be an iterable")
|
|
|
raise error.ParseError(errmsg)
|
|
|
|
|
|
@templatefunc('obsfatedate(markers)')
|
|
|
def obsfatedate(context, mapping, args):
|
|
|
"""Compute obsfate related information based on markers (EXPERIMENTAL)"""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "obsfatedate" is a keyword
|
|
|
raise error.ParseError(_("obsfatedate expects one argument"))
|
|
|
|
|
|
markers = evalfuncarg(context, mapping, args[0])
|
|
|
|
|
|
try:
|
|
|
data = obsutil.markersdates(markers)
|
|
|
return templatekw.hybridlist(data, name='date', fmt='%d %d')
|
|
|
except (TypeError, KeyError):
|
|
|
# i18n: "obsfatedate" is a keyword
|
|
|
errmsg = _("obsfatedate first argument should be an iterable")
|
|
|
raise error.ParseError(errmsg)
|
|
|
|
|
|
@templatefunc('obsfateusers(markers)')
|
|
|
def obsfateusers(context, mapping, args):
|
|
|
"""Compute obsfate related information based on markers (EXPERIMENTAL)"""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "obsfateusers" is a keyword
|
|
|
raise error.ParseError(_("obsfateusers expects one argument"))
|
|
|
|
|
|
markers = evalfuncarg(context, mapping, args[0])
|
|
|
|
|
|
try:
|
|
|
data = obsutil.markersusers(markers)
|
|
|
return templatekw.hybridlist(data, name='user')
|
|
|
except (TypeError, KeyError, ValueError):
|
|
|
# i18n: "obsfateusers" is a keyword
|
|
|
msg = _("obsfateusers first argument should be an iterable of "
|
|
|
"obsmakers")
|
|
|
raise error.ParseError(msg)
|
|
|
|
|
|
@templatefunc('obsfateverb(successors, markers)')
|
|
|
def obsfateverb(context, mapping, args):
|
|
|
"""Compute obsfate related information based on successors (EXPERIMENTAL)"""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "obsfateverb" is a keyword
|
|
|
raise error.ParseError(_("obsfateverb expects two arguments"))
|
|
|
|
|
|
successors = evalfuncarg(context, mapping, args[0])
|
|
|
markers = evalfuncarg(context, mapping, args[1])
|
|
|
|
|
|
try:
|
|
|
return obsutil.obsfateverb(successors, markers)
|
|
|
except TypeError:
|
|
|
# i18n: "obsfateverb" is a keyword
|
|
|
errmsg = _("obsfateverb first argument should be countable")
|
|
|
raise error.ParseError(errmsg)
|
|
|
|
|
|
@templatefunc('relpath(path)')
|
|
|
def relpath(context, mapping, args):
|
|
|
"""Convert a repository-absolute path into a filesystem path relative to
|
|
|
the current working directory."""
|
|
|
if len(args) != 1:
|
|
|
# i18n: "relpath" is a keyword
|
|
|
raise error.ParseError(_("relpath expects one argument"))
|
|
|
|
|
|
repo = context.resource(mapping, 'ctx').repo()
|
|
|
path = evalstring(context, mapping, args[0])
|
|
|
return repo.pathto(path)
|
|
|
|
|
|
@templatefunc('revset(query[, formatargs...])')
|
|
|
def revset(context, mapping, args):
|
|
|
"""Execute a revision set query. See
|
|
|
:hg:`help revset`."""
|
|
|
if not len(args) > 0:
|
|
|
# i18n: "revset" is a keyword
|
|
|
raise error.ParseError(_("revset expects one or more arguments"))
|
|
|
|
|
|
raw = evalstring(context, mapping, args[0])
|
|
|
ctx = context.resource(mapping, 'ctx')
|
|
|
repo = ctx.repo()
|
|
|
|
|
|
def query(expr):
|
|
|
m = revsetmod.match(repo.ui, expr, repo=repo)
|
|
|
return m(repo)
|
|
|
|
|
|
if len(args) > 1:
|
|
|
formatargs = [evalfuncarg(context, mapping, a) for a in args[1:]]
|
|
|
revs = query(revsetlang.formatspec(raw, *formatargs))
|
|
|
revs = list(revs)
|
|
|
else:
|
|
|
cache = context.resource(mapping, 'cache')
|
|
|
revsetcache = cache.setdefault("revsetcache", {})
|
|
|
if raw in revsetcache:
|
|
|
revs = revsetcache[raw]
|
|
|
else:
|
|
|
revs = query(raw)
|
|
|
revs = list(revs)
|
|
|
revsetcache[raw] = revs
|
|
|
return templatekw.showrevslist(context, mapping, "revision", revs)
|
|
|
|
|
|
@templatefunc('rstdoc(text, style)')
|
|
|
def rstdoc(context, mapping, args):
|
|
|
"""Format reStructuredText."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "rstdoc" is a keyword
|
|
|
raise error.ParseError(_("rstdoc expects two arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
style = evalstring(context, mapping, args[1])
|
|
|
|
|
|
return minirst.format(text, style=style, keep=['verbose'])
|
|
|
|
|
|
@templatefunc('separate(sep, args)', argspec='sep *args')
|
|
|
def separate(context, mapping, args):
|
|
|
"""Add a separator between non-empty arguments."""
|
|
|
if 'sep' not in args:
|
|
|
# i18n: "separate" is a keyword
|
|
|
raise error.ParseError(_("separate expects at least one argument"))
|
|
|
|
|
|
sep = evalstring(context, mapping, args['sep'])
|
|
|
first = True
|
|
|
for arg in args['args']:
|
|
|
argstr = evalstring(context, mapping, arg)
|
|
|
if not argstr:
|
|
|
continue
|
|
|
if first:
|
|
|
first = False
|
|
|
else:
|
|
|
yield sep
|
|
|
yield argstr
|
|
|
|
|
|
@templatefunc('shortest(node, minlength=4)')
|
|
|
def shortest(context, mapping, args):
|
|
|
"""Obtain the shortest representation of
|
|
|
a node."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "shortest" is a keyword
|
|
|
raise error.ParseError(_("shortest() expects one or two arguments"))
|
|
|
|
|
|
node = evalstring(context, mapping, args[0])
|
|
|
|
|
|
minlength = 4
|
|
|
if len(args) > 1:
|
|
|
minlength = evalinteger(context, mapping, args[1],
|
|
|
# i18n: "shortest" is a keyword
|
|
|
_("shortest() expects an integer minlength"))
|
|
|
|
|
|
# _partialmatch() of filtered changelog could take O(len(repo)) time,
|
|
|
# which would be unacceptably slow. so we look for hash collision in
|
|
|
# unfiltered space, which means some hashes may be slightly longer.
|
|
|
cl = context.resource(mapping, 'ctx')._repo.unfiltered().changelog
|
|
|
return cl.shortest(node, minlength)
|
|
|
|
|
|
@templatefunc('strip(text[, chars])')
|
|
|
def strip(context, mapping, args):
|
|
|
"""Strip characters from a string. By default,
|
|
|
strips all leading and trailing whitespace."""
|
|
|
if not (1 <= len(args) <= 2):
|
|
|
# i18n: "strip" is a keyword
|
|
|
raise error.ParseError(_("strip expects one or two arguments"))
|
|
|
|
|
|
text = evalstring(context, mapping, args[0])
|
|
|
if len(args) == 2:
|
|
|
chars = evalstring(context, mapping, args[1])
|
|
|
return text.strip(chars)
|
|
|
return text.strip()
|
|
|
|
|
|
@templatefunc('sub(pattern, replacement, expression)')
|
|
|
def sub(context, mapping, args):
|
|
|
"""Perform text substitution
|
|
|
using regular expressions."""
|
|
|
if len(args) != 3:
|
|
|
# i18n: "sub" is a keyword
|
|
|
raise error.ParseError(_("sub expects three arguments"))
|
|
|
|
|
|
pat = evalstring(context, mapping, args[0])
|
|
|
rpl = evalstring(context, mapping, args[1])
|
|
|
src = evalstring(context, mapping, args[2])
|
|
|
try:
|
|
|
patre = re.compile(pat)
|
|
|
except re.error:
|
|
|
# i18n: "sub" is a keyword
|
|
|
raise error.ParseError(_("sub got an invalid pattern: %s") % pat)
|
|
|
try:
|
|
|
yield patre.sub(rpl, src)
|
|
|
except re.error:
|
|
|
# i18n: "sub" is a keyword
|
|
|
raise error.ParseError(_("sub got an invalid replacement: %s") % rpl)
|
|
|
|
|
|
@templatefunc('startswith(pattern, text)')
|
|
|
def startswith(context, mapping, args):
|
|
|
"""Returns the value from the "text" argument
|
|
|
if it begins with the content from the "pattern" argument."""
|
|
|
if len(args) != 2:
|
|
|
# i18n: "startswith" is a keyword
|
|
|
raise error.ParseError(_("startswith expects two arguments"))
|
|
|
|
|
|
patn = evalstring(context, mapping, args[0])
|
|
|
text = evalstring(context, mapping, args[1])
|
|
|
if text.startswith(patn):
|
|
|
return text
|
|
|
return ''
|
|
|
|
|
|
@templatefunc('word(number, text[, separator])')
|
|
|
def word(context, mapping, args):
|
|
|
"""Return the nth word from a string."""
|
|
|
if not (2 <= len(args) <= 3):
|
|
|
# i18n: "word" is a keyword
|
|
|
raise error.ParseError(_("word expects two or three arguments, got %d")
|
|
|
% len(args))
|
|
|
|
|
|
num = evalinteger(context, mapping, args[0],
|
|
|
# i18n: "word" is a keyword
|
|
|
_("word expects an integer index"))
|
|
|
text = evalstring(context, mapping, args[1])
|
|
|
if len(args) == 3:
|
|
|
splitter = evalstring(context, mapping, args[2])
|
|
|
else:
|
|
|
splitter = None
|
|
|
|
|
|
tokens = text.split(splitter)
|
|
|
if num >= len(tokens) or num < -len(tokens):
|
|
|
return ''
|
|
|
else:
|
|
|
return tokens[num]
|
|
|
|
|
|
# methods to interpret function arguments or inner expressions (e.g. {_(x)})
|
|
|
exprmethods = {
|
|
|
"integer": lambda e, c: (runinteger, e[1]),
|
|
|
"string": lambda e, c: (runstring, e[1]),
|
|
|
"symbol": lambda e, c: (runsymbol, e[1]),
|
|
|
"template": buildtemplate,
|
|
|
"group": lambda e, c: compileexp(e[1], c, exprmethods),
|
|
|
".": buildmember,
|
|
|
"|": buildfilter,
|
|
|
"%": buildmap,
|
|
|
"func": buildfunc,
|
|
|
"keyvalue": buildkeyvaluepair,
|
|
|
"+": lambda e, c: buildarithmetic(e, c, lambda a, b: a + b),
|
|
|
"-": lambda e, c: buildarithmetic(e, c, lambda a, b: a - b),
|
|
|
"negate": buildnegate,
|
|
|
"*": lambda e, c: buildarithmetic(e, c, lambda a, b: a * b),
|
|
|
"/": lambda e, c: buildarithmetic(e, c, lambda a, b: a // b),
|
|
|
}
|
|
|
|
|
|
# methods to interpret top-level template (e.g. {x}, {x|_}, {x % "y"})
|
|
|
methods = exprmethods.copy()
|
|
|
methods["integer"] = exprmethods["symbol"] # '{1}' as variable
|
|
|
|
|
|
class _aliasrules(parser.basealiasrules):
|
|
|
"""Parsing and expansion rule set of template aliases"""
|
|
|
_section = _('template alias')
|
|
|
_parse = staticmethod(_parseexpr)
|
|
|
|
|
|
@staticmethod
|
|
|
def _trygetfunc(tree):
|
|
|
"""Return (name, args) if tree is func(...) or ...|filter; otherwise
|
|
|
None"""
|
|
|
if tree[0] == 'func' and tree[1][0] == 'symbol':
|
|
|
return tree[1][1], getlist(tree[2])
|
|
|
if tree[0] == '|' and tree[2][0] == 'symbol':
|
|
|
return tree[2][1], [tree[1]]
|
|
|
|
|
|
def expandaliases(tree, aliases):
|
|
|
"""Return new tree of aliases are expanded"""
|
|
|
aliasmap = _aliasrules.buildmap(aliases)
|
|
|
return _aliasrules.expand(aliasmap, tree)
|
|
|
|
|
|
# template engine
|
|
|
|
|
|
stringify = templatefilters.stringify
|
|
|
|
|
|
def _flatten(thing):
|
|
|
'''yield a single stream from a possibly nested set of iterators'''
|
|
|
thing = templatekw.unwraphybrid(thing)
|
|
|
if isinstance(thing, bytes):
|
|
|
yield thing
|
|
|
elif isinstance(thing, str):
|
|
|
# We can only hit this on Python 3, and it's here to guard
|
|
|
# against infinite recursion.
|
|
|
raise error.ProgrammingError('Mercurial IO including templates is done'
|
|
|
' with bytes, not strings')
|
|
|
elif thing is None:
|
|
|
pass
|
|
|
elif not util.safehasattr(thing, '__iter__'):
|
|
|
yield pycompat.bytestr(thing)
|
|
|
else:
|
|
|
for i in thing:
|
|
|
i = templatekw.unwraphybrid(i)
|
|
|
if isinstance(i, bytes):
|
|
|
yield i
|
|
|
elif i is None:
|
|
|
pass
|
|
|
elif not util.safehasattr(i, '__iter__'):
|
|
|
yield pycompat.bytestr(i)
|
|
|
else:
|
|
|
for j in _flatten(i):
|
|
|
yield j
|
|
|
|
|
|
def unquotestring(s):
|
|
|
'''unwrap quotes if any; otherwise returns unmodified string'''
|
|
|
if len(s) < 2 or s[0] not in "'\"" or s[0] != s[-1]:
|
|
|
return s
|
|
|
return s[1:-1]
|
|
|
|
|
|
class engine(object):
|
|
|
'''template expansion engine.
|
|
|
|
|
|
template expansion works like this. a map file contains key=value
|
|
|
pairs. if value is quoted, it is treated as string. otherwise, it
|
|
|
is treated as name of template file.
|
|
|
|
|
|
templater is asked to expand a key in map. it looks up key, and
|
|
|
looks for strings like this: {foo}. it expands {foo} by looking up
|
|
|
foo in map, and substituting it. expansion is recursive: it stops
|
|
|
when there is no more {foo} to replace.
|
|
|
|
|
|
expansion also allows formatting and filtering.
|
|
|
|
|
|
format uses key to expand each item in list. syntax is
|
|
|
{key%format}.
|
|
|
|
|
|
filter uses function to transform value. syntax is
|
|
|
{key|filter1|filter2|...}.'''
|
|
|
|
|
|
def __init__(self, loader, filters=None, defaults=None, resources=None,
|
|
|
aliases=()):
|
|
|
self._loader = loader
|
|
|
if filters is None:
|
|
|
filters = {}
|
|
|
self._filters = filters
|
|
|
if defaults is None:
|
|
|
defaults = {}
|
|
|
if resources is None:
|
|
|
resources = {}
|
|
|
self._defaults = defaults
|
|
|
self._resources = resources
|
|
|
self._aliasmap = _aliasrules.buildmap(aliases)
|
|
|
self._cache = {} # key: (func, data)
|
|
|
|
|
|
def symbol(self, mapping, key):
|
|
|
"""Resolve symbol to value or function; None if nothing found"""
|
|
|
v = None
|
|
|
if key not in self._resources:
|
|
|
v = mapping.get(key)
|
|
|
if v is None:
|
|
|
v = self._defaults.get(key)
|
|
|
return v
|
|
|
|
|
|
def resource(self, mapping, key):
|
|
|
"""Return internal data (e.g. cache) used for keyword/function
|
|
|
evaluation"""
|
|
|
v = None
|
|
|
if key in self._resources:
|
|
|
v = mapping.get(key)
|
|
|
if v is None:
|
|
|
v = self._resources.get(key)
|
|
|
if v is None:
|
|
|
raise ResourceUnavailable(_('template resource not available: %s')
|
|
|
% key)
|
|
|
return v
|
|
|
|
|
|
def _load(self, t):
|
|
|
'''load, parse, and cache a template'''
|
|
|
if t not in self._cache:
|
|
|
# put poison to cut recursion while compiling 't'
|
|
|
self._cache[t] = (_runrecursivesymbol, t)
|
|
|
try:
|
|
|
x = parse(self._loader(t))
|
|
|
if self._aliasmap:
|
|
|
x = _aliasrules.expand(self._aliasmap, x)
|
|
|
self._cache[t] = compileexp(x, self, methods)
|
|
|
except: # re-raises
|
|
|
del self._cache[t]
|
|
|
raise
|
|
|
return self._cache[t]
|
|
|
|
|
|
def process(self, t, mapping):
|
|
|
'''Perform expansion. t is name of map element to expand.
|
|
|
mapping contains added elements for use during expansion. Is a
|
|
|
generator.'''
|
|
|
func, data = self._load(t)
|
|
|
return _flatten(func(self, mapping, data))
|
|
|
|
|
|
engines = {'default': engine}
|
|
|
|
|
|
def stylelist():
|
|
|
paths = templatepaths()
|
|
|
if not paths:
|
|
|
return _('no templates found, try `hg debuginstall` for more info')
|
|
|
dirlist = os.listdir(paths[0])
|
|
|
stylelist = []
|
|
|
for file in dirlist:
|
|
|
split = file.split(".")
|
|
|
if split[-1] in ('orig', 'rej'):
|
|
|
continue
|
|
|
if split[0] == "map-cmdline":
|
|
|
stylelist.append(split[1])
|
|
|
return ", ".join(sorted(stylelist))
|
|
|
|
|
|
def _readmapfile(mapfile):
|
|
|
"""Load template elements from the given map file"""
|
|
|
if not os.path.exists(mapfile):
|
|
|
raise error.Abort(_("style '%s' not found") % mapfile,
|
|
|
hint=_("available styles: %s") % stylelist())
|
|
|
|
|
|
base = os.path.dirname(mapfile)
|
|
|
conf = config.config(includepaths=templatepaths())
|
|
|
conf.read(mapfile, remap={'': 'templates'})
|
|
|
|
|
|
cache = {}
|
|
|
tmap = {}
|
|
|
aliases = []
|
|
|
|
|
|
val = conf.get('templates', '__base__')
|
|
|
if val and val[0] not in "'\"":
|
|
|
# treat as a pointer to a base class for this style
|
|
|
path = util.normpath(os.path.join(base, val))
|
|
|
|
|
|
# fallback check in template paths
|
|
|
if not os.path.exists(path):
|
|
|
for p in templatepaths():
|
|
|
p2 = util.normpath(os.path.join(p, val))
|
|
|
if os.path.isfile(p2):
|
|
|
path = p2
|
|
|
break
|
|
|
p3 = util.normpath(os.path.join(p2, "map"))
|
|
|
if os.path.isfile(p3):
|
|
|
path = p3
|
|
|
break
|
|
|
|
|
|
cache, tmap, aliases = _readmapfile(path)
|
|
|
|
|
|
for key, val in conf['templates'].items():
|
|
|
if not val:
|
|
|
raise error.ParseError(_('missing value'),
|
|
|
conf.source('templates', key))
|
|
|
if val[0] in "'\"":
|
|
|
if val[0] != val[-1]:
|
|
|
raise error.ParseError(_('unmatched quotes'),
|
|
|
conf.source('templates', key))
|
|
|
cache[key] = unquotestring(val)
|
|
|
elif key != '__base__':
|
|
|
val = 'default', val
|
|
|
if ':' in val[1]:
|
|
|
val = val[1].split(':', 1)
|
|
|
tmap[key] = val[0], os.path.join(base, val[1])
|
|
|
aliases.extend(conf['templatealias'].items())
|
|
|
return cache, tmap, aliases
|
|
|
|
|
|
class templater(object):
|
|
|
|
|
|
def __init__(self, filters=None, defaults=None, resources=None,
|
|
|
cache=None, aliases=(), minchunk=1024, maxchunk=65536):
|
|
|
"""Create template engine optionally with preloaded template fragments
|
|
|
|
|
|
- ``filters``: a dict of functions to transform a value into another.
|
|
|
- ``defaults``: a dict of symbol values/functions; may be overridden
|
|
|
by a ``mapping`` dict.
|
|
|
- ``resources``: a dict of internal data (e.g. cache), inaccessible
|
|
|
from user template; may be overridden by a ``mapping`` dict.
|
|
|
- ``cache``: a dict of preloaded template fragments.
|
|
|
- ``aliases``: a list of alias (name, replacement) pairs.
|
|
|
|
|
|
self.cache may be updated later to register additional template
|
|
|
fragments.
|
|
|
"""
|
|
|
if filters is None:
|
|
|
filters = {}
|
|
|
if defaults is None:
|
|
|
defaults = {}
|
|
|
if resources is None:
|
|
|
resources = {}
|
|
|
if cache is None:
|
|
|
cache = {}
|
|
|
self.cache = cache.copy()
|
|
|
self.map = {}
|
|
|
self.filters = templatefilters.filters.copy()
|
|
|
self.filters.update(filters)
|
|
|
self.defaults = defaults
|
|
|
self._resources = {'templ': self}
|
|
|
self._resources.update(resources)
|
|
|
self._aliases = aliases
|
|
|
self.minchunk, self.maxchunk = minchunk, maxchunk
|
|
|
self.ecache = {}
|
|
|
|
|
|
@classmethod
|
|
|
def frommapfile(cls, mapfile, filters=None, defaults=None, resources=None,
|
|
|
cache=None, minchunk=1024, maxchunk=65536):
|
|
|
"""Create templater from the specified map file"""
|
|
|
t = cls(filters, defaults, resources, cache, [], minchunk, maxchunk)
|
|
|
cache, tmap, aliases = _readmapfile(mapfile)
|
|
|
t.cache.update(cache)
|
|
|
t.map = tmap
|
|
|
t._aliases = aliases
|
|
|
return t
|
|
|
|
|
|
def __contains__(self, key):
|
|
|
return key in self.cache or key in self.map
|
|
|
|
|
|
def load(self, t):
|
|
|
'''Get the template for the given template name. Use a local cache.'''
|
|
|
if t not in self.cache:
|
|
|
try:
|
|
|
self.cache[t] = util.readfile(self.map[t][1])
|
|
|
except KeyError as inst:
|
|
|
raise TemplateNotFound(_('"%s" not in template map') %
|
|
|
inst.args[0])
|
|
|
except IOError as inst:
|
|
|
reason = (_('template file %s: %s')
|
|
|
% (self.map[t][1], util.forcebytestr(inst.args[1])))
|
|
|
raise IOError(inst.args[0], encoding.strfromlocal(reason))
|
|
|
return self.cache[t]
|
|
|
|
|
|
def render(self, mapping):
|
|
|
"""Render the default unnamed template and return result as string"""
|
|
|
mapping = pycompat.strkwargs(mapping)
|
|
|
return stringify(self('', **mapping))
|
|
|
|
|
|
def __call__(self, t, **mapping):
|
|
|
mapping = pycompat.byteskwargs(mapping)
|
|
|
ttype = t in self.map and self.map[t][0] or 'default'
|
|
|
if ttype not in self.ecache:
|
|
|
try:
|
|
|
ecls = engines[ttype]
|
|
|
except KeyError:
|
|
|
raise error.Abort(_('invalid template engine: %s') % ttype)
|
|
|
self.ecache[ttype] = ecls(self.load, self.filters, self.defaults,
|
|
|
self._resources, self._aliases)
|
|
|
proc = self.ecache[ttype]
|
|
|
|
|
|
stream = proc.process(t, mapping)
|
|
|
if self.minchunk:
|
|
|
stream = util.increasingchunks(stream, min=self.minchunk,
|
|
|
max=self.maxchunk)
|
|
|
return stream
|
|
|
|
|
|
def templatepaths():
|
|
|
'''return locations used for template files.'''
|
|
|
pathsrel = ['templates']
|
|
|
paths = [os.path.normpath(os.path.join(util.datapath, f))
|
|
|
for f in pathsrel]
|
|
|
return [p for p in paths if os.path.isdir(p)]
|
|
|
|
|
|
def templatepath(name):
|
|
|
'''return location of template file. returns None if not found.'''
|
|
|
for p in templatepaths():
|
|
|
f = os.path.join(p, name)
|
|
|
if os.path.exists(f):
|
|
|
return f
|
|
|
return None
|
|
|
|
|
|
def stylemap(styles, paths=None):
|
|
|
"""Return path to mapfile for a given style.
|
|
|
|
|
|
Searches mapfile in the following locations:
|
|
|
1. templatepath/style/map
|
|
|
2. templatepath/map-style
|
|
|
3. templatepath/map
|
|
|
"""
|
|
|
|
|
|
if paths is None:
|
|
|
paths = templatepaths()
|
|
|
elif isinstance(paths, bytes):
|
|
|
paths = [paths]
|
|
|
|
|
|
if isinstance(styles, bytes):
|
|
|
styles = [styles]
|
|
|
|
|
|
for style in styles:
|
|
|
# only plain name is allowed to honor template paths
|
|
|
if (not style
|
|
|
or style in (os.curdir, pycompat.ospardir)
|
|
|
or pycompat.ossep in style
|
|
|
or pycompat.osaltsep and pycompat.osaltsep in style):
|
|
|
continue
|
|
|
locations = [os.path.join(style, 'map'), 'map-' + style]
|
|
|
locations.append('map')
|
|
|
|
|
|
for path in paths:
|
|
|
for location in locations:
|
|
|
mapfile = os.path.join(path, location)
|
|
|
if os.path.isfile(mapfile):
|
|
|
return style, mapfile
|
|
|
|
|
|
raise RuntimeError("No hgweb templates found in %r" % paths)
|
|
|
|
|
|
def loadfunction(ui, extname, registrarobj):
|
|
|
"""Load template function from specified registrarobj
|
|
|
"""
|
|
|
for name, func in registrarobj._table.iteritems():
|
|
|
funcs[name] = func
|
|
|
|
|
|
# tell hggettext to extract docstrings from these functions:
|
|
|
i18nfunctions = funcs.values()
|
|
|
|
