本文整理汇总了Python中trac.mimeview.api.Mimeview.preview_data方法的典型用法代码示例。如果您正苦于以下问题：Python Mimeview.preview_data方法的具体用法？Python Mimeview.preview_data怎么用？Python Mimeview.preview_data使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类trac.mimeview.api.Mimeview的用法示例。
在下文中一共展示了Mimeview.preview_data方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _render_file
# 需要导入模块: from trac.mimeview.api import Mimeview [as 别名]
# 或者: from trac.mimeview.api.Mimeview import preview_data [as 别名]
def _render_file(self, req, context, repos, node, rev=None):
""" trac.versioncontrol.web_ui.browser.BrowserModule._render_file()
copy with just the essentials needed for our purpose. """
req.perm(context.resource).require('FILE_VIEW')
mimeview = Mimeview(self.env)
# MIME type detection
CHUNK_SIZE = 4096
content = node.get_content()
chunk = content.read(CHUNK_SIZE)
mime_type = node.content_type
if not mime_type or mime_type == 'application/octet-stream':
mime_type = mimeview.get_mimetype(node.name, chunk) or \
mime_type or 'text/plain'
self.log.debug("Rendering ReposReadMe of node %[email protected]%s with mime-type %s"
% (node.name, str(rev), mime_type))
del content # the remainder of that content is not needed
add_stylesheet(req, 'common/css/code.css')
annotations = []
force_source = False
raw_href = ''
return mimeview.preview_data(context, node.get_content(),
node.get_content_length(),
mime_type, node.created_path,
raw_href,
annotations=annotations,
force_source=force_source)示例2: _render_file
# 需要导入模块: from trac.mimeview.api import Mimeview [as 别名]
# 或者: from trac.mimeview.api.Mimeview import preview_data [as 别名]
def _render_file(self, req, context, repos, node, rev=None):
req.perm(node.resource).require('FILE_VIEW')
mimeview = Mimeview(self.env)
# MIME type detection
content = node.get_content()
chunk = content.read(CHUNK_SIZE)
mime_type = node.content_type
if not mime_type or mime_type == 'application/octet-stream':
mime_type = mimeview.get_mimetype(node.name, chunk) or \
mime_type or 'text/plain'
# Eventually send the file directly
format = req.args.get('format')
if format in ('raw', 'txt'):
req.send_response(200)
req.send_header('Content-Type',
'text/plain' if format == 'txt' else mime_type)
req.send_header('Content-Length', node.content_length)
req.send_header('Last-Modified', http_date(node.last_modified))
if rev is None:
req.send_header('Pragma', 'no-cache')
req.send_header('Cache-Control', 'no-cache')
req.send_header('Expires', 'Fri, 01 Jan 1999 00:00:00 GMT')
if not self.render_unsafe_content:
# Force browser to download files instead of rendering
# them, since they might contain malicious code enabling
# XSS attacks
req.send_header('Content-Disposition', 'attachment')
req.end_headers()
while 1:
if not chunk:
raise RequestDone
req.write(chunk)
chunk = content.read(CHUNK_SIZE)
else:
# The changeset corresponding to the last change on `node`
# is more interesting than the `rev` changeset.
changeset = repos.get_changeset(node.created_rev)
# add ''Plain Text'' alternate link if needed
if not is_binary(chunk) and mime_type != 'text/plain':
plain_href = req.href.browser(repos.reponame or None,
node.path, rev=rev, format='txt')
add_link(req, 'alternate', plain_href, _('Plain Text'),
'text/plain')
# add ''Original Format'' alternate link (always)
raw_href = req.href.export(rev or repos.youngest_rev,
repos.reponame or None, node.path)
add_link(req, 'alternate', raw_href, _('Original Format'),
mime_type)
self.log.debug("Rendering preview of node %[email protected]%s with mime-type %s"
% (node.name, str(rev), mime_type))
del content # the remainder of that content is not needed
add_stylesheet(req, 'common/css/code.css')
annotations = ['lineno']
annotate = req.args.get('annotate')
if annotate:
annotations.insert(0, annotate)
preview_data = mimeview.preview_data(context, node.get_content(),
node.get_content_length(),
mime_type, node.created_path,
raw_href,
annotations=annotations,
force_source=bool(annotate))
return {
'changeset': changeset,
'size': node.content_length,
'preview': preview_data,
'annotate': annotate,
}示例3: filter_stream
# 需要导入模块: from trac.mimeview.api import Mimeview [as 别名]
# 或者: from trac.mimeview.api.Mimeview import preview_data [as 别名]
def filter_stream(self, req, method, template, stream, data):
if not (template == 'browser.html' and data.get('dir')):
if ((not data.get('dir')) and (data.get('path')) and (data.get('path').endswith('.md'))): # Rendering single markdown file preview
stream = stream | Transformer("//head/script[not(@src)][1]").after(
tag.script(
Markup(
"jQuery(document).ready(function($) {"
" $('#preview').each(function() {"
" $(this).html(marked( $(this).children('pre').first().text() ));"
" });"
"});"
),
type = "text/javascript"
)
)
return stream
add_stylesheet(req, 'common/css/code.css')
repos = data.get('repos') or self.env.get_repository()
rev = req.args.get('rev', None)
for entry in data['dir']['entries']: # Rendering all READMEs in a directory preview
try:
if not entry.isdir and entry.name.lower().startswith('readme'):
node = repos.get_node(entry.path, rev)
req.perm(data['context'].resource).require('FILE_VIEW')
mimeview = Mimeview(self.env)
content = node.get_content()
mimetype = node.content_type
divclass = 'searchable'
if entry.name.lower().endswith('.wiki'):
mimetype = 'text/x-trac-wiki'
divclass = 'searchable wiki'
elif entry.name.lower().endswith('.md'):
mimetype = 'text/x-markdown'
divclass = 'searchable markdown'
if not mimetype or mimetype == 'application/octet-stream':
mimetype = mimeview.get_mimetype(node.name, content.read(4096)) or mimetype or 'text/plain'
del content
self.log.debug("ReadmeRenderer: rendering node %[email protected]%s as %s" % (node.name, str(rev), mimetype))
output = mimeview.preview_data(
data['context'],
node.get_content(),
node.get_content_length(),
mimetype,
node.created_path,
'',
annotations = [],
force_source = False
)
if output:
if isinstance(output['rendered'], Stream):
#content = output['rendered'].select('./pre/node()')
#content = output['rendered'].select('./pre')
content = output['rendered'].select('.')
else:
self.log.debug("GOT THERE")
content = output['rendered']
insert = tag.div(
tag.h1(entry.name,
tag.a(Markup(' ¶'),
class_ = "anchor",
href = '#' + entry.name,
title = 'Link to file'
),
id_ = entry.name
),
tag.div(
content,
#xml:space = "preserve",
class_ = divclass,
title = entry.name
),
class_ = "readme",
style = "padding-top: 1em;"
)
stream = stream | Transformer("//div[@id='content']/div[@id='help']").before(insert)
except Exception, e:
self.log.debug(to_unicode(e))示例4: _render_readme
# 需要导入模块: from trac.mimeview.api import Mimeview [as 别名]
# 或者: from trac.mimeview.api.Mimeview import preview_data [as 别名]
def _render_readme(self, req, stream, data):
add_stylesheet(req, 'common/css/code.css')
repos = data.get('repos') or self.env.get_repository()
rev = req.args.get('rev', None)
# Rendering all READMEs in a directory preview
for entry in data['dir']['entries']:
try:
if not entry.isdir and entry.name.lower().startswith('readme'):
node = repos.get_node(entry.path, rev)
req.perm(data['context'].resource).require('FILE_VIEW')
mimeview = Mimeview(self.env)
content = node.get_content()
mimetype = node.content_type
divclass = 'searchable'
if entry.name.lower().endswith('.wiki'):
mimetype = 'text/x-trac-wiki'
divclass = 'searchable wiki'
elif entry.name.lower().endswith('.md'):
mimetype = 'text/x-markdown'
divclass = 'searchable markdown'
if not mimetype or mimetype == 'application/octet-stream':
mimetype = mimeview.get_mimetype(
node.name, content.read(4096)) or \
mimetype or 'text/plain'
del content
self.log.debug(
"ReadmeRenderer: rendering node %[email protected]%s as %s",
node.name, rev, mimetype)
output = mimeview.preview_data(
data['context'],
node.get_content(),
node.get_content_length(),
mimetype,
node.created_path,
'',
annotations=[],
force_source=False)
if output:
if isinstance(output['rendered'], Stream):
content = output['rendered'].select('.')
else:
content = output['rendered']
insert = tag.div(
tag.h1(entry.name,
tag.a(Markup(' ¶'),
class_="anchor",
href='#' + entry.name,
title='Link to file'),
id_=entry.name),
tag.div(content,
class_=divclass,
title=entry.name),
class_="readme",
style="padding-top: 1em;"
)
xpath = "//div[@id='content']/div[@id='help']"
stream |= Transformer(xpath).before(insert)
except Exception, e:
self.log.debug(to_unicode(e))示例5: _render_file
# 需要导入模块: from trac.mimeview.api import Mimeview [as 别名]
# 或者: from trac.mimeview.api.Mimeview import preview_data [as 别名]
def _render_file(self, req, context, repos, node, rev=None):
req.perm(node.resource).require("FILE_VIEW")
mimeview = Mimeview(self.env)
# MIME type detection
content = node.get_processed_content()
chunk = content.read(CHUNK_SIZE)
mime_type = node.content_type
if not mime_type or mime_type == "application/octet-stream":
mime_type = mimeview.get_mimetype(node.name, chunk) or mime_type or "text/plain"
# Eventually send the file directly
format = req.args.get("format")
if format in ("raw", "txt"):
req.send_response(200)
req.send_header("Content-Type", "text/plain" if format == "txt" else mime_type)
req.send_header("Last-Modified", http_date(node.last_modified))
if rev is None:
req.send_header("Pragma", "no-cache")
req.send_header("Cache-Control", "no-cache")
req.send_header("Expires", "Fri, 01 Jan 1999 00:00:00 GMT")
if not self.render_unsafe_content:
# Force browser to download files instead of rendering
# them, since they might contain malicious code enabling
# XSS attacks
req.send_header("Content-Disposition", "attachment")
req.end_headers()
# Note: don't pass an iterable instance to RequestDone, instead
# call req.write() with each chunk here to avoid SEGVs (#11805)
while chunk:
req.write(chunk)
chunk = content.read(CHUNK_SIZE)
raise RequestDone
else:
# The changeset corresponding to the last change on `node`
# is more interesting than the `rev` changeset.
changeset = repos.get_changeset(node.created_rev)
# add ''Plain Text'' alternate link if needed
if not is_binary(chunk) and mime_type != "text/plain":
plain_href = req.href.browser(repos.reponame or None, node.path, rev=rev, format="txt")
add_link(req, "alternate", plain_href, _("Plain Text"), "text/plain")
# add ''Original Format'' alternate link (always)
raw_href = req.href.export(rev or repos.youngest_rev, repos.reponame or None, node.path)
add_link(req, "alternate", raw_href, _("Original Format"), mime_type)
self.log.debug("Rendering preview of node %[email protected]%s with mime-type %s", node.name, rev, mime_type)
content = None # the remainder of that content is not needed
add_stylesheet(req, "common/css/code.css")
annotations = ["lineno"]
annotate = req.args.get("annotate")
if annotate:
annotations.insert(0, annotate)
preview_data = mimeview.preview_data(
context,
node.get_processed_content(),
node.get_content_length(),
mime_type,
node.created_path,
raw_href,
annotations=annotations,
force_source=bool(annotate),
)
return {"changeset": changeset, "size": node.content_length, "preview": preview_data, "annotate": annotate}