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dddddddddddd�Zdudd�Zdvd d �Zdwd d �Zdxd!d"�Zd#d$� Z d%d&� Z d'd(� Z d)d*� Z d+d,� Z d-d.� Z!d/d0� Z"d1d2� Z#d3d4� Z$d5d6� Z%d7d8� Z&d9d:� Z'd;d<� Z(d=d>� Z)d?d@� Z*dAdB� Z+dCdD� Z,dEdF� Z-dGdH� Z.dIdJ� Z/dKdL� Z0dMdN� dOdN� dPdN� e'dQdN� e*e(e)e-e/e0dRdN� dSdN� e+dTdN� dUdN� dV�Z1e1�2� Z3e1dW e3dX< G dYdZ� dZej4�Z5d[d\� Z6d]d^� Z7G d_d`� d`e8�Z9G dadb� dbe9�Z:G dcdd� dde8�Z;dedf� Z<dgdh� Z=didj� Z>G dkdl� dle8�Z?G dmdn� dne8�Z@dodp� ZAdydqdr�ZBdzdsdt�ZCdS ){a� Slightly complicated template engine for commands and hgweb
This module provides low-level interface to the template engine. See the
formatter and cmdutil modules if you are looking for high-level functions
such as ``cmdutil.rendertemplate(ctx, tmpl)``.
Internal Data Types
-------------------
Template keywords and functions take a dictionary of current symbols and
resources (a "mapping") and return result. Inputs and outputs must be one
of the following data types:
bytes
a byte string, which is generally a human-readable text in local encoding.
generator
a lazily-evaluated byte string, which is a possibly nested generator of
values of any printable types, and will be folded by ``stringify()``
or ``flatten()``.
None
sometimes represents an empty value, which can be stringified to ''.
True, False, int, float
can be stringified as such.
wrappedbytes, wrappedvalue
a wrapper for the above printable types.
date
represents a (unixtime, offset) tuple.
hybrid
represents a list/dict of printable values, which can also be converted
to mappings by % operator.
hybriditem
represents a scalar printable value, also supports % operator.
revslist
represents a list of revision numbers.
mappinggenerator, mappinglist
represents mappings (i.e. a list of dicts), which may have default
output format.
mappingdict
represents a single mapping (i.e. a dict), which may have default output
format.
mappingnone
represents None of Optional[mappable], which will be mapped to an empty
string by % operation.
mappedgenerator
a lazily-evaluated list of byte strings, which is e.g. a result of %
operation.
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>>> _parsetemplate(b'foo{bar}"baz', 0, 12)
([('string', 'foo'), ('symbol', 'bar'), ('string', '"baz')], 12)
>>> _parsetemplate(b'foo{bar}"baz', 0, 12, quote=b'"')
([('string', 'foo'), ('symbol', 'bar')], 9)
>>> _parsetemplate(b'foo"{bar}', 0, 9, quote=b'"')
([('string', 'foo')], 4)
>>> _parsetemplate(br'foo\"bar"baz', 0, 12, quote=b'"')
([('string', 'foo"'), ('string', 'bar')], 9)
>>> _parsetemplate(br'foo\\"bar', 0, 10, quote=b'"')
([('string', 'foo\\')], 6)
r* r+ r/ s unexpected type: %s�! unterminated scanning of templateN)�
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r6 Fc c sX d}t | dt| �|d�D ]0\}}}|r2||f V |dkr@ dS ||f}qt�d��dS )a Scan (type, start, end) positions of outermost elements in template
If raw=True, a backslash is not taken as an escape character just like
r'' string in Python. Note that this is different from r'' literal in
template in that no template fragment can appear in r'', e.g. r'{foo}'
is a literal '{foo}', but ('{foo}', raw=True) is a template expression
'foo'.
>>> list(scantemplate(b'foo{bar}"baz'))
[('string', 0, 3), ('template', 3, 8), ('string', 8, 12)]
>>> list(scantemplate(b'outer{"inner"}outer'))
[('string', 0, 5), ('template', 5, 14), ('string', 14, 19)]
>>> list(scantemplate(b'foo\\{escaped}'))
[('string', 0, 5), ('string', 5, 13)]
>>> list(scantemplate(b'foo\\{escaped}', raw=True))
[('string', 0, 4), ('template', 4, 13)]
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a; Expand list of templates to node tuple
>>> def f(tree):
... print(pycompat.sysstr(prettyformat(_unnesttemplatelist(tree))))
>>> f((b'template', []))
(string '')
>>> f((b'template', [(b'string', b'foo')]))
(string 'foo')
>>> f((b'template', [(b'string', b'foo'), (b'symbol', b'rev')]))
(template
(string 'foo')
(symbol 'rev'))
>>> f((b'template', [(b'symbol', b'rev')])) # template(rev) -> str
(template
(symbol 'rev'))
>>> f((b'template', [(b'template', [(b'string', b'foo')])]))
(string 'foo')
r r+ c s s | ]}t |�V qd S rV ��_unnesttemplatelist�rX �xrF rF rG rZ d rI z&_unnesttemplatelist.<locals>.<genexpr>r Nc s s | ]}t |�V qd S rV rq rs rF rF rG rZ g rI )r* rI r* )�
isinstance�tupler; )�tree�op�xsrF rF rG rr M s
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d}~0 0 dS )a= Parse a template expression into tree
>>> parseexpr(b'"foo"')
('string', 'foo')
>>> parseexpr(b'foo(bar)')
('func', ('symbol', 'foo'), ('symbol', 'bar'))
>>> from . import error
>>> from . import pycompat
>>> try:
... parseexpr(b'foo(')
... except error.ParseError as e:
... pycompat.sysstr(e.message)
... e.location
'not a prefix: end'
4
>>> try:
... parseexpr(b'"foo" "bar"')
... except error.ParseError as e:
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'invalid token'
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(func, data) pairs
>>> context = engine(lambda t: (templateutil.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'])
c s t �� �fdd�t�| �D ��S )Nc 3 s" | ]\}}|t |� ��fV qd S rV �r� )rX �krt �r� r� rF rG rZ s �z6_buildfuncargs.<locals>.compiledict.<locals>.<genexpr>)r �sortdictr � iteritems�ry r� rF rG � compiledict s �z#_buildfuncargs.<locals>.compiledictc s � �fdd�| D �S )Nc s g | ]}t |� ���qS rF r� rs r� rF rG r� rI z7_buildfuncargs.<locals>.compilelist.<locals>.<listcomp>rF r� r� rF rG � compilelist s z#_buildfuncargs.<locals>.compilelistr% r) )Z keyvaluenodeZkeynode)r� r Z splitargspecZ
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dd� Zdd� Zdd � ZdS ) �enginea� template expansion engine.
template expansion works like this. a map file contains key=value
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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|...}.Nc C sV || _ |d u ri }|| _tj| _|d u r,i }|d u r:t� }|| _|| _i | _i | _ d S rV )
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�zengine.overlaymapc C s, | j �|�}|du s t|�s dS t|dd�S )z?Resource keys required by the specified default symbol functionNrF Z _requires)r� �get�callabler )r� r] r� rF rF rG r� � s zengine._defaultrequiresc C s4 d}|| j �� vr |�|�}|du r0| j�|�}|S )z:Resolve symbol to value or function; None if nothing foundN)r� r� r� r� �r� r� r] r� rF rF rG �symbol� s
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�zengine.resourcec C sZ || j vrP| �|�}t|f| j |< zt|| t�| j |< W n | j |= � Y n0 | j | S )z!load, parse, and cache a template)r� r� r� r� r� )r� r� rt rF rF rG r� � s
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engine._parsec C s, z| � |� W dS tjy& Y dS 0 dS )z:Load, parse, and cache the specified template if availableTFN)r� r �TemplateNotFound�r� r� rF rF rG �preload
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zengine.preloadc C s | � |�\}}| �|||�S )z�Perform expansion. t is name of map element to expand.
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