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[IMP] improved code for compatibility of tags in rml file 

bzr revid: dizzy.zala@gmail.com-20130918133611-v75spcf3tgnoadnr
This commit is contained in:
Dharmraj Zala (OpenERP Trainee) 2013-09-18 19:06:11 +05:30
parent 1b6bbcfec7
commit bb72950546
1 changed files with 61 additions and 15 deletions
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76
openerp/report/render/rml2pdf/customfonts.py
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@ -36,7 +36,7 @@ should have the same filenames, only need the code below).
Due to an awful configuration that ships with reportlab at many Linux
and Ubuntu distros, we have to override the search path, too.
"""
_fonts_info = {'supported_fonts':[], 'font_len': 0}
_fonts_cache = {'regestered_fonts':[], 'total_system_fonts': 0}
_logger = logging.getLogger(__name__)
CustomTTFonts = [ ('Helvetica', "DejaVu Sans", "DejaVuSans.ttf", 'normal'),
@ -89,7 +89,12 @@ TTFSearchPathMap = {
'Linux': TTFSearchPath_Linux,
}
__foundFonts = None
def linux_home_fonts():
"""
This function appends local font directory in TTFSearchPath_Linux.
"""
home = os.environ.get('HOME')
if home is not None:
# user fonts on OSX
@ -98,8 +103,13 @@ def linux_home_fonts():
TTFSearchPath_Linux.append(path)
def all_sysfonts_list():
"""
This function returns list of font directories of system.
"""
searchpath = []
filepath = []
global __foundFonts
__foundFonts = {}
local_platform = platform.system()
if local_platform in TTFSearchPathMap:
if local_platform == 'Linux':
@ -112,25 +122,59 @@ def all_sysfonts_list():
if os.path.exists(dirname):
for filename in [x for x in os.listdir(dirname) if x.lower().endswith('.ttf')]:
filepath.append(os.path.join(dirname, filename))
__foundFonts[filename]=os.path.join(dirname, filename)
return filepath
def RegisterCustomFonts():
global _fonts_info
all_system_fonts = all_sysfonts_list()
if len(all_system_fonts) > _fonts_info['font_len']:
"""
This function registers all fonts in reportlab if font is not regestered
and returns the updated list of registered fonts.
"""
global _fonts_cache
all_system_fonts = sorted(all_sysfonts_list())
if len(all_system_fonts) > _fonts_cache['total_system_fonts']:
all_mode = {}
last_family = ""
for dirname in all_system_fonts:
try:
face = ttfonts.TTFontFace(dirname)
if (face.name, face.name) not in _fonts_info['supported_fonts']:
font_info = ttfonts.TTFontFile(dirname)
pdfmetrics.registerFont(ttfonts.TTFont(face.name, dirname, asciiReadable=0))
_fonts_info['supported_fonts'].append((face.name, face.name))
CustomTTFonts.append((font_info.familyName, font_info.name, dirname.split('/')[-1], font_info.styleName.lower().replace(" ", "")))
_logger.debug("Found font %s at %s", face.name, dirname)
font_info = ttfonts.TTFontFile(dirname)
if (font_info.name, font_info.name) not in _fonts_cache['regestered_fonts']:
if font_info.name not in pdfmetrics._fonts:
pdfmetrics.registerFont(ttfonts.TTFont(font_info.name, dirname, asciiReadable=0))
if not last_family:
last_family = font_info.familyName
if not all_mode:
all_mode = {
'regular':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'regular'),
'italic':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'italic'),
'bold':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'bold'),
'bolditalic':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'bolditalic'),
}
if last_family != font_info.familyName:
CustomTTFonts.extend(all_mode.values())
all_mode = {
'regular':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'regular'),
'italic':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'italic'),
'bold':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'bold'),
'bolditalic':(font_info.familyName, font_info.name, dirname.split('/')[-1], 'bolditalic'),
}
mode = font_info.styleName.lower().replace(" ", "")
if (mode== 'normal') or (mode == 'regular') or (mode == 'medium') or (mode == 'book'):
all_mode['regular'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'regular')
elif (mode == 'italic') or (mode == 'oblique'):
all_mode['italic'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'italic')
elif mode == 'bold':
all_mode['bold'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'bold')
elif (mode == 'bolditalic') or (mode == 'boldoblique'):
all_mode['bolditalic'] = (font_info.familyName, font_info.name, dirname.split('/')[-1], 'bolditalic')
last_family = font_info.familyName
_fonts_cache['regestered_fonts'].append((font_info.name, font_info.name))
_logger.debug("Found font %s at %s", font_info.name, dirname)
except:
remain_mode = ['regular','italic','bold','bolditalic']
_logger.warning("Could not register Font %s", dirname)
_fonts_info['font_len'] = len(all_system_fonts)
return _fonts_info['supported_fonts']
_fonts_cache['total_system_fonts'] = len(all_system_fonts)
return _fonts_cache['regestered_fonts']
def SetCustomFonts(rmldoc):
""" Map some font names to the corresponding TTF fonts
@ -140,12 +184,14 @@ def SetCustomFonts(rmldoc):
This function is called once per report, so it should
avoid system-wide processing (cache it, instead).
"""
global _fonts_info
if not _fonts_info['supported_fonts']:
global _fonts_cache
if not _fonts_cache['regestered_fonts']:
RegisterCustomFonts()
for name, font, filename, mode in CustomTTFonts:
if os.path.isabs(filename) and os.path.exists(filename):
rmldoc.setTTFontMapping(name, font, filename, mode)
elif filename in __foundFonts:
rmldoc.setTTFontMapping(name, font, __foundFonts[filename], mode)
return True
# eof