/
__repr__.cc
121 lines (97 loc) · 4.21 KB
/
__repr__.cc
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//------------------------------------------------------------------------------
// Copyright 2018-2021 H2O.ai
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//------------------------------------------------------------------------------
#include <ios> // std::hex, std::dec
#include <sstream>
#include "documentation.h"
#include "frame/py_frame.h"
#include "frame/repr/repr_options.h"
#include "frame/repr/terminal_widget.h"
#include "frame/repr/text_column.h"
#include "frame/repr/widget.h"
#include "frame/repr/html_widget.h"
#include "python/string.h"
#include "options.h"
//------------------------------------------------------------------------------
// py::Frame interface
//------------------------------------------------------------------------------
namespace py {
oobj Frame::m__repr__() const {
std::ostringstream out;
out << "<Frame#";
out << std::hex << reinterpret_cast<size_t>(static_cast<const void*>(this));
if (dt) {
// If __repr__() is called while the frame is being constructed (or
// destructed), then `dt` may be nullptr.
out << ' ' << std::dec << dt->nrows() << "x" << dt->ncols();
}
out << '>';
return ostring(out.str());
}
oobj Frame::m__str__() const {
dt::TerminalWidget widget(dt,
&dt::Terminal::plain_terminal(),
dt::Widget::split_view_tag);
return widget.to_python();
}
static PKArgs args__repr_html_(
0, 0, 0, false, false, {}, "_repr_html_", nullptr);
oobj Frame::_repr_html_(const PKArgs&) {
dt::HtmlWidget widget(dt, dt::display_max_column_width);
return widget.to_python();
}
static PKArgs args__repr_pretty_(
0, 2, 0, false, false, {"p", "cycle"}, "_repr_pretty_", nullptr);
oobj Frame::_repr_pretty_(const PKArgs&) {
xassert(!dt::Terminal::standard_terminal().is_jupyter());
return oobj(this).invoke("view", obool(false));
}
static PKArgs args_view(
0, 2, 0, false, false, {"interactive", "plain"}, "view", dt::doc_Frame_view);
void Frame::view(const PKArgs& args) {
bool interactive = true; // default when `interactive` is omitted entirely
bool is_jupyter = dt::Terminal::standard_terminal().is_jupyter();
bool plain = args[1].to<bool>(false);
if (args[0].is_none()) interactive = dt::display_interactive;
if (args[0].is_bool()) interactive = args[0].to_bool_strict();
(void) interactive; // TODO: implement interactive frame viewer
if (is_jupyter) {
auto htmlstr = _repr_html_(args__repr_html_);
dt::HtmlWidget::write_to_jupyter(htmlstr);
} else {
auto terminal = plain? &dt::Terminal::plain_terminal()
: &dt::Terminal::standard_terminal();
dt::TerminalWidget widget(dt, terminal, dt::Widget::split_view_tag);
widget.to_stdout();
}
}
void Frame::_init_repr(XTypeMaker& xt) {
xt.add(METHOD__REPR__(&Frame::m__repr__));
xt.add(METHOD__STR__(&Frame::m__str__));
xt.add(METHOD(&Frame::_repr_html_, args__repr_html_));
// Jupyter may call this method at a wrong time, so just do not create it
// when datatable is running from a Jupyter notebook
if (!dt::Terminal::standard_terminal().is_jupyter()) {
xt.add(METHOD(&Frame::_repr_pretty_, args__repr_pretty_));
}
xt.add(METHOD(&Frame::view, args_view));
}
} // namespace py