[ADD] theme 8.0
This commit is contained in:
Design
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import os
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import re
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import logging
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from lxml import etree, html
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from subprocess import Popen, PIPE
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import openerp
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from openerp.osv import orm
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from openerp.tools import which
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from openerp.addons.base.ir.ir_qweb import AssetError, JavascriptAsset, QWebException
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_logger = logging.getLogger(__name__)
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class QWeb_less(orm.AbstractModel):
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_name = "website.qweb"
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_inherit = "website.qweb"
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def render_tag_call_assets(self, element, template_attributes, generated_attributes, qwebcontext):
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""" This special 't-call' tag can be used in order to aggregate/minify javascript and css assets"""
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if len(element):
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# An asset bundle is rendered in two differents contexts (when genereting html and
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# when generating the bundle itself) so they must be qwebcontext free
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# even '0' variable is forbidden
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template = qwebcontext.get('__template__')
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raise QWebException("t-call-assets cannot contain children nodes", template=template)
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xmlid = template_attributes['call-assets']
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cr, uid, context = [getattr(qwebcontext, attr) for attr in ('cr', 'uid', 'context')]
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bundle = AssetsBundle(xmlid, cr=cr, uid=uid, context=context, registry=self.pool)
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css = self.get_attr_bool(template_attributes.get('css'), default=True)
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js = self.get_attr_bool(template_attributes.get('js'), default=True)
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return bundle.to_html(css=css, js=js, debug=bool(qwebcontext.get('debug')))
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def render_tag_snippet(self, element, template_attributes, generated_attributes, qwebcontext):
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d = qwebcontext.copy()
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d[0] = self.render_element(element, template_attributes, generated_attributes, d)
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cr = d.get('request') and d['request'].cr or None
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uid = d.get('request') and d['request'].uid or None
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template = self.eval_format(template_attributes["snippet"], d)
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document = self.render(cr, uid, template, d)
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node = etree.fromstring(document)
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id = int(node.get('data-oe-id', self.pool['ir.model.data'].xmlid_to_res_id(cr, uid, template, raise_if_not_found=True)))
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node.set('data-oe-name', self.pool['ir.ui.view'].browse(cr, uid, id, context=qwebcontext.context).name)
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node.set('data-oe-type', "snippet")
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node.set('data-oe-thumbnail', template_attributes.get('thumbnail', "oe-thumbnail"))
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return html.tostring(node, encoding='UTF-8')
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class AssetsBundle(openerp.addons.base.ir.ir_qweb.AssetsBundle):
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rx_preprocess_imports = re.compile("""(@import\s?['"]([^'"]+)['"](;?))""")
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def parse(self):
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fragments = html.fragments_fromstring(self.html)
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for el in fragments:
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if isinstance(el, basestring):
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self.remains.append(el)
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elif isinstance(el, html.HtmlElement):
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src = el.get('src', '')
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href = el.get('href', '')
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atype = el.get('type')
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media = el.get('media')
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if el.tag == 'style':
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if atype == 'text/sass' or src.endswith('.sass'):
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self.stylesheets.append(SassAsset(self, inline=el.text, media=media))
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elif atype == 'text/less' or src.endswith('.less'):
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self.stylesheets.append(LessStylesheetAsset(self, inline=el.text, media=media))
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else:
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self.stylesheets.append(StylesheetAsset(self, inline=el.text, media=media))
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elif el.tag == 'link' and el.get('rel') == 'stylesheet' and self.can_aggregate(href):
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if href.endswith('.sass') or atype == 'text/sass':
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self.stylesheets.append(SassAsset(self, url=href, media=media))
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elif href.endswith('.less') or atype == 'text/less':
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self.stylesheets.append(LessStylesheetAsset(self, url=href, media=media))
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else:
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self.stylesheets.append(StylesheetAsset(self, url=href, media=media))
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elif el.tag == 'script' and not src:
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self.javascripts.append(JavascriptAsset(self, inline=el.text))
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elif el.tag == 'script' and self.can_aggregate(src):
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self.javascripts.append(JavascriptAsset(self, url=src))
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else:
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self.remains.append(html.tostring(el))
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else:
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try:
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self.remains.append(html.tostring(el))
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except Exception:
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# notYETimplementederror
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raise NotImplementedError
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def to_html(self, sep=None, css=True, js=True, debug=False):
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if sep is None:
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sep = '\n '
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response = []
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if debug:
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if css and self.stylesheets:
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self.preprocess_css()
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if self.css_errors:
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msg = '\n'.join(self.css_errors)
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self.stylesheets.append(StylesheetAsset(self, inline=self.css_message(msg)))
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for style in self.stylesheets:
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response.append(style.to_html())
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if js:
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for jscript in self.javascripts:
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response.append(jscript.to_html())
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else:
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url_for = self.context.get('url_for', lambda url: url)
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if css and self.stylesheets:
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href = '/web/css/%s/%s' % (self.xmlid, self.version)
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response.append('<link href="%s" rel="stylesheet"/>' % url_for(href))
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if js:
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src = '/web/js/%s/%s' % (self.xmlid, self.version)
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response.append('<script type="text/javascript" src="%s"></script>' % url_for(src))
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response.extend(self.remains)
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return sep + sep.join(response)
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def css(self):
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content = self.get_cache('css')
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if content is None:
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content = self.preprocess_css()
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if self.css_errors:
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msg = '\n'.join(self.css_errors)
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content += self.css_message(msg)
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# move up all @import rules to the top
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matches = []
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def push(matchobj):
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matches.append(matchobj.group(0))
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return ''
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content = re.sub(self.rx_css_import, push, content)
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matches.append(content)
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content = u'\n'.join(matches)
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if self.css_errors:
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return content
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self.set_cache('css', content)
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return content
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def set_cache(self, type, content):
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ira = self.registry['ir.attachment']
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ira.invalidate_bundle(self.cr, openerp.SUPERUSER_ID, type=type, xmlid=self.xmlid)
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url = '/web/%s/%s/%s' % (type, self.xmlid, self.version)
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ira.create(self.cr, openerp.SUPERUSER_ID, dict(
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datas=content.encode('utf8').encode('base64'),
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type='binary',
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name=url,
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url=url,
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), context=self.context)
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def css_message(self, message):
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# '\A' == css content carriage return
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message = message.replace('\n', '\\A ').replace('"', '\\"')
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return """
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body:before {
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background: #ffc;
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width: 100%%;
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font-size: 14px;
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font-family: monospace;
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white-space: pre;
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content: "%s";
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}
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""" % message
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def preprocess_css(self):
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"""
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Checks if the bundle contains any sass/less content, then compiles it to css.
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Returns the bundle's flat css.
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"""
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for atype in (SassAsset, LessStylesheetAsset):
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assets = [asset for asset in self.stylesheets if isinstance(asset, atype)]
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if assets:
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cmd = assets[0].get_command()
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source = '\n'.join([asset.get_source() for asset in assets])
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compiled = self.compile_css(cmd, source)
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fragments = self.rx_css_split.split(compiled)
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at_rules = fragments.pop(0)
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if at_rules:
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# Sass and less moves @at-rules to the top in order to stay css 2.1 compatible
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self.stylesheets.insert(0, StylesheetAsset(self, inline=at_rules))
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while fragments:
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asset_id = fragments.pop(0)
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asset = next(asset for asset in self.stylesheets if asset.id == asset_id)
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asset._content = fragments.pop(0)
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return '\n'.join(asset.minify() for asset in self.stylesheets)
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def compile_sass(self):
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self.preprocess_css()
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def compile_css(self, cmd, source):
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"""Sanitizes @import rules, remove duplicates @import rules, then compile"""
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imports = []
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def sanitize(matchobj):
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ref = matchobj.group(2)
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line = '@import "%s"%s' % (ref, matchobj.group(3))
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if '.' not in ref and line not in imports and not ref.startswith(('.', '/', '~')):
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imports.append(line)
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return line
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msg = "Local import '%s' is forbidden for security reasons." % ref
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_logger.warning(msg)
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self.css_errors.append(msg)
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return ''
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source = re.sub(self.rx_preprocess_imports, sanitize, source)
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try:
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compiler = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)
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except Exception:
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msg = "Could not execute command %r" % cmd[0]
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_logger.error(msg)
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self.css_errors.append(msg)
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return ''
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result = compiler.communicate(input=source.encode('utf-8'))
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if compiler.returncode:
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error = self.get_preprocessor_error(''.join(result), source=source)
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_logger.warning(error)
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self.css_errors.append(error)
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return ''
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compiled = result[0].strip().decode('utf8')
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return compiled
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def get_preprocessor_error(self, stderr, source=None):
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"""Improve and remove sensitive information from sass/less compilator error messages"""
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error = stderr.split('Load paths')[0].replace(' Use --trace for backtrace.', '')
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if 'Cannot load compass' in error:
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error += "Maybe you should install the compass gem using this extra argument:\n\n" \
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" $ sudo gem install compass --pre\n"
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error += "This error occured while compiling the bundle '%s' containing:" % self.xmlid
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for asset in self.stylesheets:
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if isinstance(asset, (SassAsset, LessStylesheetAsset)):
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error += '\n - %s' % (asset.url if asset.url else '<inline sass>')
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return error
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class StylesheetAsset(openerp.addons.base.ir.ir_qweb.StylesheetAsset):
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@property
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def content(self):
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if self._content is None:
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self._content = self.inline or self._fetch_content()
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return self._content
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def _fetch_content(self):
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try:
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content = openerp.addons.base.ir.ir_qweb.WebAsset._fetch_content(self)
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web_dir = os.path.dirname(self.url)
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if self.rx_import:
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content = self.rx_import.sub(
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r"""@import \1%s/""" % (web_dir,),
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content,
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)
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if self.rx_url:
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content = self.rx_url.sub(
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r"url(\1%s/" % (web_dir,),
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content,
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)
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if self.rx_charset:
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# remove charset declarations, we only support utf-8
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content = self.rx_charset.sub('', content)
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return content
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except AssetError, e:
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self.bundle.css_errors.append(e.message)
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return ''
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class SassAsset(StylesheetAsset, openerp.addons.base.ir.ir_qweb.SassAsset):
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def to_html(self):
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if self.url:
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ira = self.registry['ir.attachment']
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url = self.html_url % self.url
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domain = [('type', '=', 'binary'), ('url', '=', url)]
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ira_id = ira.search(self.cr, openerp.SUPERUSER_ID, domain, context=self.context)
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datas = self.content.encode('utf8').encode('base64')
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if ira_id:
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# TODO: update only if needed
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ira.write(self.cr, openerp.SUPERUSER_ID, ira_id, {'datas': datas}, context=self.context)
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else:
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ira.create(self.cr, openerp.SUPERUSER_ID, dict(
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datas=datas,
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mimetype='text/css',
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type='binary',
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name=url,
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url=url,
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), context=self.context)
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return super(SassAsset, self).to_html()
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def get_command(self):
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defpath = os.environ.get('PATH', os.defpath).split(os.pathsep)
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sass = which('sass', path=os.pathsep.join(defpath))
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return [sass, '--stdin', '-t', 'compressed', '--unix-newlines', '--compass',
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'-r', 'bootstrap-sass']
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class LessStylesheetAsset(StylesheetAsset):
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html_url = '%s.css'
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rx_import = None
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def minify(self):
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return self.with_header()
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def to_html(self):
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if self.url:
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ira = self.registry['ir.attachment']
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url = self.html_url % self.url
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domain = [('type', '=', 'binary'), ('url', '=', url)]
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ira_id = ira.search(self.cr, openerp.SUPERUSER_ID, domain, context=self.context)
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datas = self.content.encode('utf8').encode('base64')
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if ira_id:
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# TODO: update only if needed
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ira.write(self.cr, openerp.SUPERUSER_ID, ira_id, {'datas': datas}, context=self.context)
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else:
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ira.create(self.cr, openerp.SUPERUSER_ID, dict(
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datas=datas,
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mimetype='text/css',
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type='binary',
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name=url,
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url=url,
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), context=self.context)
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return super(LessStylesheetAsset, self).to_html()
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def get_source(self):
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content = self.inline or self._fetch_content()
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return "/*! %s */\n%s" % (self.id, content)
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def get_command(self):
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defpath = os.environ.get('PATH', os.defpath).split(os.pathsep)
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if os.name == 'nt':
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lessc = which('lessc.cmd', path=os.pathsep.join(defpath))
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else:
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lessc = which('lessc', path=os.pathsep.join(defpath))
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webpath = openerp.http.addons_manifest['web']['addons_path']
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lesspath = os.path.join(webpath, 'web', 'static', 'lib', 'bootstrap', 'less')
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return [lessc, '-', '--clean-css', '--no-js', '--no-color', '--include-path=%s' % lesspath]
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