def display_tikz(tikzcode, scale=2.0):
preamble = r"""\usepackage{pgfplots}
\usepackage{xcolor}
\pgfplotsset{compat=newest}
"""
d = {"src": tikzcode,
"extras": preamble,
"scale": float(scale)
}
src = itikz.IMPLICIT_PIC_TMPL.substitute(d)
return itikz.fetch_or_compile_svg(src, prefix='pandas2pgfplots-', working_dir=get_tempdir())
def test_fetch_or_compile_svg_good_input(tmpdir, monkeypatch):
expected_md5 = "15d53b05d3a27e1545c9a3688be5e3b4"
res = itikz.fetch_or_compile_svg(RECTANGLE_TIKZ, 'test_', str(tmpdir))
for ext in 'tex', 'svg':
path = tmpdir.join("test_{}.{}".format(expected_md5, ext))
assert os.path.exists(str(path))
for ext in 'log', 'aux', 'pdf':
path = tmpdir.join("test_{}.{}".format(expected_md5, ext))
assert not os.path.exists(str(path))
assert isinstance(res, SVG)
def test_fetch_or_compile_svg_bad_input_full_err(tmpdir, capsys):
expected_md5 = "361fadf1c712e812d198c4cab5712a79"
res = itikz.fetch_or_compile_svg(BAD_TIKZ, 'test_', str(tmpdir), True)
for ext in 'tex', 'svg', 'log', 'aux', 'pdf':
path = tmpdir.join("test_{}.{}".format(expected_md5, ext))
assert not os.path.exists(str(path))
assert res is None
_, err = capsys.readouterr()
assert 'error' in err.lower()
assert len(err.splitlines()) > 20
def qr(matrices,
formater=repr,
array_names=True,
fig_scale=None,
tmp_dir=None,
keep_file=None):
m = MatrixGridLayout(matrices, extra_rows=[1, 0, 0, 0])
m.array_format_string_list()
m.array_of_tex_entries(formater=formater)
brown = make_decorator(text_color='brown', bf=True)
def qr_dec_known_zeros(WtA, WtW):
l_WtA = [(1, 2),
[(i, j) for i in range(WtA.shape[0])
for j in range(WtA.shape[0]) if i > j]]
l_WtW = [(1, 3),
[(i, j) for i in range(WtW.shape[0])
for j in range(WtW.shape[0]) if i != j]]
return [l_WtA, l_WtW]
for spec in qr_dec_known_zeros(matrices[1][2], matrices[1][3]):
#[ [(1,2), [(1,0),(2,0),(2,1)]], [(1,3), [(1,0),(2,0),(2,1), (0,1),(0,2),(1,2)]] ]:
m.decorate_tex_entries(*spec[0], brown, entries=spec[1])
red = make_decorator(text_color='red', bf=True)
red_rgt = make_decorator(text_color='red', bf=True, move_right=True)
m.add_row_above(0,
2,
[red(f'v_{i+1}')
for i in range(3)] + [red(f'w_{i+1}') for i in range(3)],
formater=lambda a: a)
m.add_col_left(1,
1, [red_rgt(f'w^t_{i+1}') for i in range(3)],
formater=lambda a: a)
if array_names:
dec = make_decorator(bf=True, delim='$')
m.nm_submatrix_locs(
'QR',
color='blue',
name_specs=[
[(0, 2), 'al', dec('A')],
[(0, 3), 'ar', dec('W')],
# ----------------------
[(1, 1), 'al', dec('W^t')],
[(1, 2), 'al', dec('W^t A')],
[(1, 3), 'ar', dec('W^t W')],
# ----------------------
[(2, 0), 'al',
dec(r'S = \left( W^t W \right)^{-\tfrac{1}{2}}')],
[(2, 1), 'br', dec(r'Q^t = S W^t')],
[(2, 2), 'br', dec('R = S W^t A')]
])
else:
m.nm_submatrix_locs()
m.tex_repr(blockseps=r'\noalign{\vskip3mm} ')
m_code = m.nm_latexdoc(preamble=preamble +
r" \NiceMatrixOptions{cell-space-limits = 2pt}",
fig_scale=fig_scale)
h = itikz.fetch_or_compile_svg(m_code,
prefix='qr_',
working_dir=tmp_dir,
debug=False,
**itikz.build_commands_dict(use_xetex=True,
use_dvi=False,
crop=True),
nexec=1,
keep_file=keep_file)
return h, m
def ge(matrices,
Nrhs=0,
formater=repr,
pivot_list=None,
comment_list=None,
variable_summary=None,
array_names=None,
fig_scale=None,
tmp_dir=None,
keep_file=None):
'''basic GE layout (development version):
matrices: [ [None, A0], [E1, A1], [E2, A2], ... ]
Nrhs: number of right hand side columns determines the placement of a partition line, if any
pivot_list: [ pivot_spec, pivot_spec, ... ] where pivot_spec = [grid_pos, [pivot_pos, pivot_pos, ...]]
comment_list: [ txt, txt, ... ] must have a txt entry for each layer. Multiline comments are separated by \\
variable_summary: [ basic, ... ] a list of true/false values specifying whether a column has a pivot or not
array_names: list of names for the two columns: [ 'E', ['A','b','I']
'''
extra_cols = None if comment_list is None else 1
extra_rows = None if variable_summary is None else 2
m = MatrixGridLayout(matrices,
extra_rows=extra_rows,
extra_cols=extra_cols)
# compute the format spec for the arrays and set up the entries (defaults to a single partition line)
partitions = {} if Nrhs == 0 else {1: [m.mat_col_width[-1] - Nrhs]}
m.array_format_string_list(partitions=partitions)
m.array_of_tex_entries(
formater=formater
) # could overwride the entry to TeX string conversion here
if pivot_list is not None:
red_box = make_decorator(text_color='red', boxed=True, bf=True)
for spec in pivot_list:
m.decorate_tex_entries(*spec[0], red_box, entries=spec[1])
if comment_list is not None:
m.nm_text(comment_list)
if variable_summary is not None:
blue = make_decorator(text_color='blue', bf=True)
red = make_decorator(text_color='red', bf=True)
typ = []
var = []
for (i, basic) in enumerate(variable_summary):
if basic:
typ.append(red(r'\Uparrow'))
var.append(red(f'x_{i+1}'))
else:
typ.append(blue(r'\uparrow'))
var.append(blue(f'x_{i+1}'))
m.add_row_below(m.nGridRows - 1, 1, typ, formater=lambda a: a)
m.add_row_below(m.nGridRows - 1,
1,
var,
offset=1,
formater=lambda a: a)
if array_names is not None:
name_specs = mk_ge_names(m.nGridRows, *array_names)
else:
name_specs = None
m.nm_submatrix_locs(
'A', color='blue', name_specs=name_specs
) # this defines the submatrices (the matrix delimiters)
m.tex_repr(
) # converts the array of TeX entries into strings with separators and spacers
m_code = m.nm_latexdoc(template=GE_TEMPLATE,
preamble=preamble,
extension=extension,
fig_scale=fig_scale)
h = itikz.fetch_or_compile_svg(m_code,
prefix='ge_',
working_dir=tmp_dir,
debug=False,
**itikz.build_commands_dict(use_xetex=True,
use_dvi=False,
crop=True),
nexec=1,
keep_file=keep_file)
return h, m
