Pylint on graphdoc

This commit is contained in:
prculley 2017-10-05 13:33:37 -05:00 committed by Nick Hall
parent 32caee3aa4
commit 700f15be75

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@ -25,7 +25,7 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
""" Graphviz adapter for Graphs """
#-------------------------------------------------------------------------
#
# Standard Python modules
@ -36,19 +36,18 @@ import os
from io import BytesIO
import tempfile
from subprocess import Popen, PIPE
import sys
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------
from ...const import GRAMPS_LOCALE as glocale
_ = glocale.translation.gettext
from ...utils.file import search_for
from . import BaseDoc
from ..menu import NumberOption, TextOption, EnumeratedListOption, \
BooleanOption
BooleanOption
from ...constfunc import win
#-------------------------------------------------------------------------
@ -57,41 +56,41 @@ from ...constfunc import win
#
#-------------------------------------------------------------------------
import logging
log = logging.getLogger(".graphdoc")
LOG = logging.getLogger(".graphdoc")
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------
#
# Private Constants
#
#-------------------------------------------------------------------------------
_FONTS = [ { 'name' : _("Default"), 'value' : "" },
{ 'name' : _("PostScript / Helvetica"), 'value' : "Helvetica" },
{ 'name' : _("TrueType / FreeSans"), 'value' : "FreeSans" } ]
#-------------------------------------------------------------------------
_FONTS = [{'name' : _("Default"), 'value' : ""},
{'name' : _("PostScript / Helvetica"), 'value' : "Helvetica"},
{'name' : _("TrueType / FreeSans"), 'value' : "FreeSans"}]
_RANKDIR = [ { 'name' : _("Vertical (↓)"), 'value' : "TB" },
{ 'name' : _("Vertical (↑)"), 'value' : "BT" },
{ 'name' : _("Horizontal (→)"), 'value' : "LR" },
{ 'name' : _("Horizontal (←)"), 'value' : "RL" } ]
_RANKDIR = [{'name' : _("Vertical (↓)"), 'value' : "TB"},
{'name' : _("Vertical (↑)"), 'value' : "BT"},
{'name' : _("Horizontal (→)"), 'value' : "LR"},
{'name' : _("Horizontal (←)"), 'value' : "RL"}]
_PAGEDIR = [ { 'name' : _("Bottom, left"), 'value' :"BL" },
{ 'name' : _("Bottom, right"), 'value' :"BR" },
{ 'name' : _("Top, left"), 'value' :"TL" },
{ 'name' : _("Top, Right"), 'value' :"TR" },
{ 'name' : _("Right, bottom"), 'value' :"RB" },
{ 'name' : _("Right, top"), 'value' :"RT" },
{ 'name' : _("Left, bottom"), 'value' :"LB" },
{ 'name' : _("Left, top"), 'value' :"LT" } ]
_PAGEDIR = [{'name' : _("Bottom, left"), 'value' : "BL"},
{'name' : _("Bottom, right"), 'value' : "BR"},
{'name' : _("Top, left"), 'value' : "TL"},
{'name' : _("Top, Right"), 'value' : "TR"},
{'name' : _("Right, bottom"), 'value' : "RB"},
{'name' : _("Right, top"), 'value' : "RT"},
{'name' : _("Left, bottom"), 'value' : "LB"},
{'name' : _("Left, top"), 'value' : "LT"}]
_RATIO = [ { 'name' : _("Compress to minimal size"), 'value': "compress" },
{ 'name' : _("Fill the given area"), 'value': "fill" },
{ 'name' : _("Expand uniformly"), 'value': "expand" } ]
_RATIO = [{'name' : _("Compress to minimal size"), 'value': "compress"},
{'name' : _("Fill the given area"), 'value': "fill"},
{'name' : _("Expand uniformly"), 'value': "expand"}]
_NOTELOC = [ { 'name' : _("Top"), 'value' : "t" },
{ 'name' : _("Bottom"), 'value' : "b" }]
_NOTELOC = [{'name' : _("Top"), 'value' : "t"},
{'name' : _("Bottom"), 'value' : "b"}]
_SPLINE = [ { 'name' : _("Straight"), 'value' : "false" },
{ 'name' : _("Curved"), 'value' : "true", },
{ 'name' : _("Orthogonal"), 'value' : 'ortho'} ]
_SPLINE = [{'name' : _("Straight"), 'value' : "false"},
{'name' : _("Curved"), 'value' : "true", },
{'name' : _("Orthogonal"), 'value' : 'ortho'}]
if win():
_DOT_FOUND = search_for("dot.exe")
@ -110,20 +109,21 @@ else:
else:
_GS_CMD = ""
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVOptions
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVOptions:
"""
Defines all of the controls necessary
to configure the graph reports.
"""
def __init__(self):
self.h_pages = None
self.v_pages = None
self.page_dir = None
self.h_pages = None
self.v_pages = None
self.page_dir = None
self.dpi = None
def add_menu_options(self, menu):
@ -141,9 +141,9 @@ class GVOptions:
for item in _FONTS:
font_family.add_item(item["value"], item["name"])
font_family.set_help(_("Choose the font family. If international "
"characters don't show, use FreeSans font. "
"FreeSans is available from: "
"http://www.nongnu.org/freefont/"))
"characters don't show, use FreeSans font. "
"FreeSans is available from: "
"http://www.nongnu.org/freefont/"))
menu.add_option(category, "font_family", font_family)
font_size = NumberOption(_("Font size"), 14, 8, 128)
@ -190,9 +190,9 @@ class GVOptions:
# the page direction option only makes sense when the
# number of horizontal and/or vertical pages is > 1,
# so we need to remember these 3 controls for later
self.h_pages = h_pages
self.v_pages = v_pages
self.page_dir = page_dir
self.h_pages = h_pages
self.v_pages = v_pages
self.page_dir = page_dir
# the page direction option only makes sense when the
# number of horizontal and/or vertical pages is > 1
@ -206,7 +206,8 @@ class GVOptions:
aspect_ratio = EnumeratedListOption(_("Aspect ratio"), "fill")
for item in _RATIO:
aspect_ratio.add_item(item["value"], item["name"])
help_text = _('Affects node spacing and scaling of the graph.\n'
help_text = _(
'Affects node spacing and scaling of the graph.\n'
'If the graph is smaller than the print area:\n'
' Compress will not change the node spacing. \n'
' Fill will increase the node spacing to fit the print area in '
@ -223,34 +224,34 @@ class GVOptions:
menu.add_option(category, "ratio", aspect_ratio)
dpi = NumberOption(_("DPI"), 75, 20, 1200)
dpi.set_help(_( "Dots per inch. When creating images such as "
".gif or .png files for the web, try numbers "
"such as 100 or 300 DPI. PostScript and PDF files "
"always use 72 DPI."))
dpi.set_help(_("Dots per inch. When creating images such as "
".gif or .png files for the web, try numbers "
"such as 100 or 300 DPI. PostScript and PDF files "
"always use 72 DPI."))
menu.add_option(category, "dpi", dpi)
self.dpi = dpi
nodesep = NumberOption(_("Node spacing"), 0.20, 0.01, 5.00, 0.01)
nodesep.set_help(_( "The minimum amount of free space, in inches, "
"between individual nodes. For vertical graphs, "
"this corresponds to spacing between columns. "
"For horizontal graphs, this corresponds to "
"spacing between rows."))
nodesep.set_help(_("The minimum amount of free space, in inches, "
"between individual nodes. For vertical graphs, "
"this corresponds to spacing between columns. "
"For horizontal graphs, this corresponds to "
"spacing between rows."))
menu.add_option(category, "nodesep", nodesep)
ranksep = NumberOption(_("Rank spacing"), 0.20, 0.01, 5.00, 0.01)
ranksep.set_help(_( "The minimum amount of free space, in inches, "
"between ranks. For vertical graphs, this "
"corresponds to spacing between rows. For "
"horizontal graphs, this corresponds to spacing "
"between columns."))
ranksep.set_help(_("The minimum amount of free space, in inches, "
"between ranks. For vertical graphs, this "
"corresponds to spacing between rows. For "
"horizontal graphs, this corresponds to spacing "
"between columns."))
menu.add_option(category, "ranksep", ranksep)
use_subgraphs = BooleanOption(_('Use subgraphs'), True)
use_subgraphs.set_help(_("Subgraphs can help Graphviz position "
"spouses together, but with non-trivial "
"graphs will result in longer lines and "
"larger graphs."))
"spouses together, but with non-trivial "
"graphs will result in longer lines and "
"larger graphs."))
menu.add_option(category, "usesubgraphs", use_subgraphs)
################################
@ -258,15 +259,15 @@ class GVOptions:
################################
note = TextOption(_("Note to add to the graph"),
[""] )
[""])
note.set_help(_("This text will be added to the graph."))
menu.add_option(category, "note", note)
noteloc = EnumeratedListOption(_("Note location"), 't')
for i in range( 0, len(_NOTELOC) ):
for i in range(0, len(_NOTELOC)):
noteloc.add_item(_NOTELOC[i]["value"], _NOTELOC[i]["name"])
noteloc.set_help(_("Whether note will appear on top "
"or bottom of the page."))
"or bottom of the page."))
menu.add_option(category, "noteloc", noteloc)
notesize = NumberOption(_("Note size"), 32, 8, 128)
@ -280,17 +281,17 @@ class GVOptions:
pages are set to "1", then the page_dir control needs to
be unavailable
"""
if self.v_pages.get_value() > 1 or \
self.h_pages.get_value() > 1:
if self.v_pages.get_value() > 1 or self.h_pages.get_value() > 1:
self.page_dir.set_available(True)
else:
self.page_dir.set_available(False)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVDoc(metaclass=ABCMeta):
"""
Abstract Interface for Graphviz document generators. Output formats
@ -376,11 +377,12 @@ class GVDoc(metaclass=ABCMeta):
:return: nothing
"""
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVDocBase
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVDocBase(BaseDoc, GVDoc):
"""
Base document generator for all Graphviz document generators. Classes that
@ -390,40 +392,39 @@ class GVDocBase(BaseDoc, GVDoc):
def __init__(self, options, paper_style, uistate=None):
BaseDoc.__init__(self, None, paper_style, uistate=uistate)
self._filename = None
self._filename = None
self._dot = BytesIO()
self._paper = paper_style
self._paper = paper_style
get_option_by_name = options.menu.get_option_by_name
get_value = lambda name: get_option_by_name(name).get_value()
get_option = options.menu.get_option_by_name
self.dpi = get_value('dpi')
self.fontfamily = get_value('font_family')
self.fontsize = get_value('font_size')
self.hpages = get_value('h_pages')
self.nodesep = get_value('nodesep')
self.noteloc = get_value('noteloc')
self.notesize = get_value('notesize')
self.note = get_value('note')
self.pagedir = get_value('page_dir')
self.rankdir = get_value('rank_dir')
self.ranksep = get_value('ranksep')
self.ratio = get_value('ratio')
self.vpages = get_value('v_pages')
self.usesubgraphs = get_value('usesubgraphs')
self.spline = get_value('spline')
self.dpi = get_option('dpi').get_value()
self.fontfamily = get_option('font_family').get_value()
self.fontsize = get_option('font_size').get_value()
self.hpages = get_option('h_pages').get_value()
self.nodesep = get_option('nodesep').get_value()
self.noteloc = get_option('noteloc').get_value()
self.notesize = get_option('notesize').get_value()
self.note = get_option('note').get_value()
self.pagedir = get_option('page_dir').get_value()
self.rankdir = get_option('rank_dir').get_value()
self.ranksep = get_option('ranksep').get_value()
self.ratio = get_option('ratio').get_value()
self.vpages = get_option('v_pages').get_value()
self.usesubgraphs = get_option('usesubgraphs').get_value()
self.spline = get_option('spline').get_value()
paper_size = paper_style.get_size()
paper_size = paper_style.get_size()
# Subtract 0.01" from the drawing area to make some room between
# this area and the margin in order to compensate for different
# rounding errors internally in dot
sizew = ( paper_size.get_width() -
self._paper.get_left_margin() -
self._paper.get_right_margin() ) / 2.54 - 0.01
sizeh = ( paper_size.get_height() -
self._paper.get_top_margin() -
self._paper.get_bottom_margin() ) / 2.54 - 0.01
sizew = (paper_size.get_width() -
self._paper.get_left_margin() -
self._paper.get_right_margin()) / 2.54 - 0.01
sizeh = (paper_size.get_height() -
self._paper.get_top_margin() -
self._paper.get_bottom_margin()) / 2.54 - 0.01
pheight = paper_size.get_height_inches()
pwidth = paper_size.get_width_inches()
@ -440,33 +441,33 @@ class GVDocBase(BaseDoc, GVDoc):
' bgcolor=white;\n'
' center="true"; \n'
' charset="utf8";\n'
' concentrate="false";\n' +
' dpi="%d";\n' % self.dpi +
' graph [fontsize=%d];\n' % self.fontsize +
' margin="%3.2f,%3.2f"; \n' % (xmargin, ymargin) +
' mclimit="99";\n' +
' nodesep="%.2f";\n' % self.nodesep +
' concentrate="false";\n' +
' dpi="%d";\n' % self.dpi +
' graph [fontsize=%d];\n' % self.fontsize +
' margin="%3.2f,%3.2f"; \n' % (xmargin, ymargin) +
' mclimit="99";\n' +
' nodesep="%.2f";\n' % self.nodesep +
' outputorder="edgesfirst";\n' +
('#' if self.hpages == self.vpages == 1 else '') +
# comment out "page=" if the graph is on 1 page (bug #2121)
' page="%3.2f,%3.2f";\n' % (pwidth, pheight) +
' pagedir="%s";\n' % self.pagedir +
' rankdir="%s";\n' % self.rankdir +
' ranksep="%.2f";\n' % self.ranksep +
' ratio="%s";\n' % self.ratio +
' searchsize="100";\n' +
' size="%3.2f,%3.2f"; \n' % (sizew, sizeh) +
' splines="%s";\n' % self.spline +
'\n' +
' edge [len=0.5 style=solid fontsize=%d];\n' % self.fontsize
)
# comment out "page=" if the graph is on 1 page (bug #2121)
' page="%3.2f,%3.2f";\n' % (pwidth, pheight) +
' pagedir="%s";\n' % self.pagedir +
' rankdir="%s";\n' % self.rankdir +
' ranksep="%.2f";\n' % self.ranksep +
' ratio="%s";\n' % self.ratio +
' searchsize="100";\n' +
' size="%3.2f,%3.2f"; \n' % (sizew, sizeh) +
' splines="%s";\n' % self.spline +
'\n' +
' edge [len=0.5 style=solid fontsize=%d];\n' % self.fontsize)
if self.fontfamily:
self.write( ' node [style=filled fontname="%s" fontsize=%d];\n'
% ( self.fontfamily, self.fontsize ) )
self.write(' node [style=filled fontname="%s" fontsize=%d];\n'
% (self.fontfamily, self.fontsize))
else:
self.write( ' node [style=filled fontsize=%d];\n'
% self.fontsize )
self.write( '\n' )
self.write(' node [style=filled fontsize=%d];\n'
% self.fontsize)
self.write('\n')
def write(self, text):
""" Write text to the dot file """
@ -484,10 +485,10 @@ class GVDocBase(BaseDoc, GVDoc):
if self.note:
# build up the label
label = ''
for line in self.note: # for every line in the note...
line = line.strip() # ...strip whitespace from this line...
if line != '': # ...and if we still have a line...
if label != '': # ...see if we need to insert a newline...
for line in self.note: # for every line in the note...
line = line.strip() # ...strip whitespace from this line...
if line != '': # ...and if we still have a line...
if label != '': # ...see if we need to insert a newline...
label += '\\n'
label += line.replace('"', '\\\"')
@ -495,12 +496,11 @@ class GVDocBase(BaseDoc, GVDoc):
if label != '':
self.write(
'\n' +
' label="%s";\n' % label +
' labelloc="%s";\n' % self.noteloc +
' fontsize="%d";\n' % self.notesize
)
' label="%s";\n' % label +
' labelloc="%s";\n' % self.noteloc +
' fontsize="%d";\n' % self.notesize)
self.write( '}\n\n' )
self.write('}\n\n')
def add_node(self, node_id, label, shape="", color="",
style="", fillcolor="", url="", htmloutput=False):
@ -513,27 +513,27 @@ class GVDocBase(BaseDoc, GVDoc):
text = '['
if shape:
text += ' shape="%s"' % shape
text += ' shape="%s"' % shape
if color:
text += ' color="%s"' % color
text += ' color="%s"' % color
if fillcolor:
text += ' fillcolor="%s"' % fillcolor
text += ' fillcolor="%s"' % fillcolor
if style:
text += ' style="%s"' % style
text += ' style="%s"' % style
# note that we always output a label -- even if an empty string --
# otherwise Graphviz uses the node ID as the label which is unlikely
# to be what the user wants to see in the graph
if label.startswith("<") or htmloutput:
text += ' label=<%s>' % label
text += ' label=<%s>' % label
else:
text += ' label="%s"' % label
text += ' label="%s"' % label
if url:
text += ' URL="%s"' % url
text += ' URL="%s"' % url
text += " ]"
self.write(' "%s" %s;\n' % (node_id, text))
@ -592,22 +592,22 @@ class GVDocBase(BaseDoc, GVDoc):
def start_subgraph(self, graph_id):
""" Implement GVDocBase.start_subgraph() """
graph_id = graph_id.replace(' ', '_') # for user-defined ID with space
graph_id = graph_id.replace(' ', '_') # for user-defined ID with space
self.write(
' subgraph cluster_%s\n' % graph_id +
' {\n' +
' style="invis";\n' # no border around subgraph (#0002176)
)
' style="invis";\n') # no border around subgraph (#0002176)
def end_subgraph(self):
""" Implement GVDocBase.end_subgraph() """
self.write(' }\n')
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVDotDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVDotDoc(GVDocBase):
""" GVDoc implementation that generates a .gv text file. """
@ -622,11 +622,12 @@ class GVDotDoc(GVDocBase):
with open(self._filename, "wb") as dotfile:
dotfile.write(self._dot.getvalue())
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVPsDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVPsDoc(GVDocBase):
""" GVDoc implementation that generates a .ps file using Graphviz. """
@ -652,7 +653,7 @@ class GVPsDoc(GVDocBase):
self._filename += ".ps"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
@ -669,25 +670,28 @@ class GVPsDoc(GVDocBase):
# disappeared. I used 1 inch margins always.
# See bug tracker issue 2815
# :cairo does not work with Graphviz 2.26.3 and later See issue 4164
# recent versions of Graphvis doesn't even try, just puts out a single
# recent versions of Graphviz doesn't even try, just puts out a single
# large page.
command = 'dot -Tps:cairo -o"%s" "%s"' % (self._filename, tmp_dot)
dotversion = str(Popen(['dot', '-V'], stderr=PIPE).communicate(input=None)[1])
# Problem with dot 2.26.3 and later and multiple pages, which gives "cairo: out of
# memory" If the :cairo is skipped for these cases it gives bad
# result for non-Latin-1 characters (utf-8).
if (dotversion.find('2.26.3') or dotversion.find('2.28.0') != -1) and (self.vpages * self.hpages) > 1:
command = command.replace(':cairo','')
dotversion = str(Popen(['dot', '-V'],
stderr=PIPE).communicate(input=None)[1])
# Problem with dot 2.26.3 and later and multiple pages, which gives
# "cairo: out of memory" If the :cairo is skipped for these cases it
# gives bad result for non-Latin-1 characters (utf-8).
if (dotversion.find('2.26.3') or dotversion.find('2.28.0') != -1) and \
(self.vpages * self.hpages) > 1:
command = command.replace(':cairo', '')
os.system(command)
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVSvgDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVSvgDoc(GVDocBase):
""" GVDoc implementation that generates a .svg file using Graphviz. """
@ -707,21 +711,22 @@ class GVSvgDoc(GVDocBase):
self._filename += ".svg"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
# Generate the SVG file.
os.system( 'dot -Tsvg:cairo -o"%s" "%s"' % (self._filename, tmp_dot) )
os.system('dot -Tsvg:cairo -o"%s" "%s"' % (self._filename, tmp_dot))
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVSvgzDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVSvgzDoc(GVDocBase):
""" GVDoc implementation that generates a .svg file using Graphviz. """
@ -741,21 +746,22 @@ class GVSvgzDoc(GVDocBase):
self._filename += ".svgz"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
# Generate the SVGZ file.
os.system( 'dot -Tsvgz -o"%s" "%s"' % (self._filename, tmp_dot) )
os.system('dot -Tsvgz -o"%s" "%s"' % (self._filename, tmp_dot))
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVPngDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVPngDoc(GVDocBase):
""" GVDoc implementation that generates a .png file using Graphviz. """
@ -775,21 +781,22 @@ class GVPngDoc(GVDocBase):
self._filename += ".png"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
# Generate the PNG file.
os.system( 'dot -Tpng -o"%s" "%s"' % (self._filename, tmp_dot) )
os.system('dot -Tpng -o"%s" "%s"' % (self._filename, tmp_dot))
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVJpegDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVJpegDoc(GVDocBase):
""" GVDoc implementation that generates a .jpg file using Graphviz. """
@ -809,21 +816,22 @@ class GVJpegDoc(GVDocBase):
self._filename += ".jpg"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
# Generate the JPEG file.
os.system( 'dot -Tjpg -o"%s" "%s"' % (self._filename, tmp_dot) )
os.system('dot -Tjpg -o"%s" "%s"' % (self._filename, tmp_dot))
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVGifDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVGifDoc(GVDocBase):
""" GVDoc implementation that generates a .gif file using Graphviz. """
@ -843,21 +851,22 @@ class GVGifDoc(GVDocBase):
self._filename += ".gif"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
# Generate the GIF file.
os.system( 'dot -Tgif -o"%s" "%s"' % (self._filename, tmp_dot) )
os.system('dot -Tgif -o"%s" "%s"' % (self._filename, tmp_dot))
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVPdfGvDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVPdfGvDoc(GVDocBase):
""" GVDoc implementation that generates a .pdf file using Graphviz. """
@ -880,23 +889,24 @@ class GVPdfGvDoc(GVDocBase):
self._filename += ".pdf"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
fname = self._filename
# Generate the PDF file.
os.system( 'dot -Tpdf -o"%s" "%s"' % (fname, tmp_dot) )
os.system('dot -Tpdf -o"%s" "%s"' % (fname, tmp_dot))
# Delete the temporary dot file
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# GVPdfGsDoc
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
class GVPdfGsDoc(GVDocBase):
""" GVDoc implementation that generates a .pdf file using Ghostscript. """
def __init__(self, options, paper_style):
@ -914,24 +924,23 @@ class GVPdfGsDoc(GVDocBase):
self._filename += ".pdf"
# Create a temporary dot file
(handle, tmp_dot) = tempfile.mkstemp(".gv" )
(handle, tmp_dot) = tempfile.mkstemp(".gv")
dotfile = os.fdopen(handle, "wb")
dotfile.write(self._dot.getvalue())
dotfile.close()
# Create a temporary PostScript file
(handle, tmp_ps) = tempfile.mkstemp(".ps" )
os.close( handle )
(handle, tmp_ps) = tempfile.mkstemp(".ps")
os.close(handle)
# Generate PostScript using dot
# Reason for using -Tps:cairo. Needed for Non Latin-1 letters
# See bug tracker issue 2815
# :cairo does not work with with multi-page See issue 4164
# recent versions of Graphvis doesn't even try, just puts out a single
# recent versions of Graphviz doesn't even try, just puts out a single
# large page, so we use Ghostscript to split it up.
command = 'dot -Tps:cairo -o"%s" "%s"' % (tmp_ps, tmp_dot)
dotversion = str(Popen(['dot', '-V'], stderr=PIPE).communicate(input=None)[1])
os.system(command)
# Add .5 to remove rounding errors.
@ -948,28 +957,28 @@ class GVPdfGsDoc(GVDocBase):
os.remove(tmp_ps)
return
# Margins (in centimeters) to pixels 72/2.54=28.345
MarginT = int(28.345 * self._paper.get_top_margin())
MarginB = int(28.345 * self._paper.get_bottom_margin())
MarginR = int(28.345 * self._paper.get_right_margin())
MarginL = int(28.345 * self._paper.get_left_margin())
MarginX = MarginL + MarginR
MarginY = MarginT + MarginB
margin_t = int(28.345 * self._paper.get_top_margin())
margin_b = int(28.345 * self._paper.get_bottom_margin())
margin_r = int(28.345 * self._paper.get_right_margin())
margin_l = int(28.345 * self._paper.get_left_margin())
margin_x = margin_l + margin_r
margin_y = margin_t + margin_b
# Convert to PDF using ghostscript
list_of_pieces = []
x_rng = range(1, self.hpages + 1) if 'L' in self.pagedir \
else range(self.hpages , 0, -1)
else range(self.hpages, 0, -1)
y_rng = range(1, self.vpages + 1) if 'B' in self.pagedir \
else range(self.vpages , 0, -1)
else range(self.vpages, 0, -1)
if self.pagedir[0] in 'TB':
the_list = ((x, y) for y in y_rng for x in x_rng)
the_list = ((__x, __y) for __y in y_rng for __x in x_rng)
else:
the_list = ((x, y) for x in x_rng for y in y_rng)
for x, y in the_list:
the_list = ((__x, __y) for __x in x_rng for __y in y_rng)
for __x, __y in the_list:
# Slit PS file to pieces of PDF
PageOffsetX = (x - 1) * (MarginX - width_pt)
PageOffsetY = (y - 1) * (MarginY - height_pt)
tmp_pdf_piece = "%s_%d_%d.pdf" % (tmp_ps, x, y)
page_offset_x = (__x - 1) * (margin_x - width_pt)
page_offset_y = (__y - 1) * (margin_y - height_pt)
tmp_pdf_piece = "%s_%d_%d.pdf" % (tmp_ps, __x, __y)
list_of_pieces.append(tmp_pdf_piece)
# Generate Ghostscript code
command = '%s -q -dBATCH -dNOPAUSE -dSAFER -g%dx%d '\
@ -977,8 +986,8 @@ class GVPdfGsDoc(GVDocBase):
'-c "<</.HWMargins [%d %d %d %d] /PageOffset [%d %d]>> '\
'setpagedevice" -f "%s"' % (
_GS_CMD, width_pt + 10, height_pt + 10, tmp_pdf_piece,
MarginL, MarginB, MarginR, MarginT,
PageOffsetX + 5, PageOffsetY + 5, tmp_ps)
margin_l, margin_b, margin_r, margin_t,
page_offset_x + 5, page_offset_y + 5, tmp_ps)
# Execute Ghostscript
os.system(command)
# Merge pieces to single multipage PDF ;
@ -993,66 +1002,66 @@ class GVPdfGsDoc(GVDocBase):
os.remove(tmp_pdf_piece)
os.remove(tmp_dot)
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#
# Various Graphviz formats.
#
#-------------------------------------------------------------------------------
#------------------------------------------------------------------------------
FORMATS = []
if _DOT_FOUND:
if _GS_CMD != "":
FORMATS += [{ 'type' : "gspdf",
'ext' : "pdf",
'descr': _("PDF (Ghostscript)"),
'mime' : "application/pdf",
'class': GVPdfGsDoc }]
FORMATS += [{'type' : "gspdf",
'ext' : "pdf",
'descr': _("PDF (Ghostscript)"),
'mime' : "application/pdf",
'class': GVPdfGsDoc}]
FORMATS += [{ 'type' : "gvpdf",
'ext' : "pdf",
'descr': _("PDF (Graphviz)"),
'mime' : "application/pdf",
'class': GVPdfGvDoc }]
FORMATS += [{'type' : "gvpdf",
'ext' : "pdf",
'descr': _("PDF (Graphviz)"),
'mime' : "application/pdf",
'class': GVPdfGvDoc}]
FORMATS += [{ 'type' : "ps",
'ext' : "ps",
'descr': _("PostScript"),
'mime' : "application/postscript",
'class': GVPsDoc }]
FORMATS += [{'type' : "ps",
'ext' : "ps",
'descr': _("PostScript"),
'mime' : "application/postscript",
'class': GVPsDoc}]
FORMATS += [{ 'type' : "svg",
'ext' : "svg",
'descr': _("Structured Vector Graphics (SVG)"),
'mime' : "image/svg",
'class': GVSvgDoc }]
FORMATS += [{'type' : "svg",
'ext' : "svg",
'descr': _("Structured Vector Graphics (SVG)"),
'mime' : "image/svg",
'class': GVSvgDoc}]
FORMATS += [{ 'type' : "svgz",
'ext' : "svgz",
'descr': _("Compressed Structured Vector Graphs (SVGZ)"),
'mime' : "image/svgz",
'class': GVSvgzDoc }]
FORMATS += [{'type' : "svgz",
'ext' : "svgz",
'descr': _("Compressed Structured Vector Graphs (SVGZ)"),
'mime' : "image/svgz",
'class': GVSvgzDoc}]
FORMATS += [{ 'type' : "jpg",
'ext' : "jpg",
'descr': _("JPEG image"),
'mime' : "image/jpeg",
'class': GVJpegDoc }]
FORMATS += [{'type' : "jpg",
'ext' : "jpg",
'descr': _("JPEG image"),
'mime' : "image/jpeg",
'class': GVJpegDoc}]
FORMATS += [{ 'type' : "gif",
'ext' : "gif",
'descr': _("GIF image"),
'mime' : "image/gif",
'class': GVGifDoc }]
FORMATS += [{'type' : "gif",
'ext' : "gif",
'descr': _("GIF image"),
'mime' : "image/gif",
'class': GVGifDoc}]
FORMATS += [{ 'type' : "png",
'ext' : "png",
'descr': _("PNG image"),
'mime' : "image/png",
'class': GVPngDoc }]
FORMATS += [{'type' : "png",
'ext' : "png",
'descr': _("PNG image"),
'mime' : "image/png",
'class': GVPngDoc}]
FORMATS += [{ 'type' : "dot",
'ext' : "gv",
'descr': _("Graphviz File"),
'mime' : "text/x-graphviz",
'class': GVDotDoc }]
FORMATS += [{'type' : "dot",
'ext' : "gv",
'descr': _("Graphviz File"),
'mime' : "text/x-graphviz",
'class': GVDotDoc}]