diff --git a/ebook_converter/__init__.py b/ebook_converter/__init__.py index 6bd24e5..b6f80e7 100644 --- a/ebook_converter/__init__.py +++ b/ebook_converter/__init__.py @@ -13,10 +13,10 @@ try: except EnvironmentError: os.chdir(os.path.expanduser('~')) -from ebook_converter.constants_old import (iswindows, isosx, islinux, isfrozen, - isbsd, preferred_encoding, __appname__, __version__, __author__, - win32event, win32api, winerror, fcntl, - filesystem_encoding, plugins, config_dir) +from ebook_converter.constants_old import iswindows, islinux, isfrozen, \ + isbsd, preferred_encoding, __appname__, __version__, __author__, \ + win32event, win32api, winerror, fcntl, \ + filesystem_encoding, plugins, config_dir from ebook_converter.startup import winutil, winutilerror from ebook_converter.utils.icu import safe_chr @@ -51,23 +51,28 @@ def confirm_config_name(name): return name + '_again' -_filename_sanitize_unicode = frozenset(('\\', '|', '?', '*', '<', # no2to3 - '"', ':', '>', '+', '/') + tuple(map(chr, range(32)))) # no2to3 +_filename_sanitize_unicode = frozenset(('\\', '|', '?', '*', '<', + '"', ':', '>', '+', '/') + + tuple(map(chr, range(32)))) def sanitize_file_name(name, substitute='_'): - ''' - Sanitize the filename `name`. All invalid characters are replaced by `substitute`. - The set of invalid characters is the union of the invalid characters in Windows, - macOS and Linux. Also removes leading and trailing whitespace. - **WARNING:** This function also replaces path separators, so only pass file names - and not full paths to it. - ''' + """ + Sanitize the filename `name`. All invalid characters are replaced by + `substitute`. The set of invalid characters is the union of the invalid + characters in Windows, macOS and Linux. Also removes leading and trailing + whitespace. + + **WARNING:** This function also replaces path separators, so only pass + file names and not full paths to it. + """ + if isinstance(name, bytes): name = name.decode(filesystem_encoding, 'replace') if isinstance(substitute, bytes): substitute = substitute.decode(filesystem_encoding, 'replace') - chars = (substitute if c in _filename_sanitize_unicode else c for c in name) + chars = (substitute + if c in _filename_sanitize_unicode else c for c in name) one = ''.join(chars) one = re.sub(r'\s', ' ', one).strip() bname, ext = os.path.splitext(one) @@ -87,8 +92,8 @@ def prints(*args, **kwargs): """ Print unicode arguments safely by encoding them to preferred_encoding Has the same signature as the print function from Python 3, except for the - additional keyword argument safe_encode, which if set to True will cause the - function to use repr when encoding fails. + additional keyword argument safe_encode, which if set to True will cause + the function to use repr when encoding fails. Returns the number of bytes written. """ @@ -120,7 +125,7 @@ def prints(*args, **kwargs): except UnicodeEncodeError: try: arg = arg.encode('utf-8') - except: + except Exception: if not safe_encode: raise arg = repr(arg) @@ -131,7 +136,7 @@ def prints(*args, **kwargs): except UnicodeEncodeError: try: arg = arg.encode('utf-8') - except: + except Exception: if not safe_encode: raise arg = repr(arg) @@ -139,7 +144,7 @@ def prints(*args, **kwargs): try: file.write(arg) count += len(arg) - except: + except Exception: from polyglot import reprlib arg = reprlib.repr(arg) file.write(arg) @@ -168,22 +173,12 @@ def setup_cli_handlers(logger, level): elif level == logging.DEBUG: handler = logging.StreamHandler(sys.stderr) handler.setLevel(logging.DEBUG) - handler.setFormatter(logging.Formatter('[%(levelname)s] %(filename)s:%(lineno)s: %(message)s')) + handler.setFormatter(logging.Formatter('[%(levelname)s] %(filename)s:' + '%(lineno)s: %(message)s')) logger.addHandler(handler) -def load_library(name, cdll): - if iswindows: - return cdll.LoadLibrary(name) - if isosx: - name += '.dylib' - if hasattr(sys, 'frameworks_dir'): - return cdll.LoadLibrary(os.path.join(getattr(sys, 'frameworks_dir'), name)) - return cdll.LoadLibrary(name) - return cdll.LoadLibrary(name+'.so') - - def extract(path, dir): extractor = None # First use the file header to identify its type @@ -216,7 +211,8 @@ def fit_image(width, height, pwidth, pheight): @param height: Height of image @param pwidth: Width of box @param pheight: Height of box - @return: scaled, new_width, new_height. scaled is True iff new_width and/or new_height is different from width or height. + @return: scaled, new_width, new_height. scaled is True iff new_width + and/or new_height is different from width or height. ''' scaled = height > pheight or width > pwidth if height > pheight: @@ -262,8 +258,10 @@ def walk(dir): def strftime(fmt, t=None): - ''' A version of strftime that returns unicode strings and tries to handle dates - before 1900 ''' + """ + A version of strftime that returns unicode strings and tries to handle + dates before 1900 + """ if not fmt: return '' if t is None: @@ -272,7 +270,7 @@ def strftime(fmt, t=None): t = t.timetuple() early_year = t[0] < 1900 if early_year: - replacement = 1900 if t[0]%4 == 0 else 1901 + replacement = 1900 if t[0] % 4 == 0 else 1901 fmt = fmt.replace('%Y', '_early year hack##') t = list(t) orig_year = t[0] @@ -301,27 +299,33 @@ def my_unichr(num): def entity_to_unicode(match, exceptions=[], encoding='cp1252', - result_exceptions={}): - ''' + result_exceptions={}): + """ :param match: A match object such that '&'+match.group(1)';' is the entity. - :param exceptions: A list of entities to not convert (Each entry is the name of the entity, for e.g. 'apos' or '#1234' + :param exceptions: A list of entities to not convert (Each entry is the + name of the entity, for e.g. 'apos' or '#1234' - :param encoding: The encoding to use to decode numeric entities between 128 and 256. - If None, the Unicode UCS encoding is used. A common encoding is cp1252. + :param encoding: The encoding to use to decode numeric entities between + 128 and 256. If None, the Unicode UCS encoding is used. + A common encoding is cp1252. + + :param result_exceptions: A mapping of characters to entities. If the + result is in result_exceptions, + result_exception[result] is returned instead. + Convenient way to specify exception for things + like < or > that can be specified by various + actual entities. + """ - :param result_exceptions: A mapping of characters to entities. If the result - is in result_exceptions, result_exception[result] is returned instead. - Convenient way to specify exception for things like < or > that can be - specified by various actual entities. - ''' def check(ch): return result_exceptions.get(ch, ch) ent = match.group(1) if ent in exceptions: return '&'+ent+';' - if ent in {'apos', 'squot'}: # squot is generated by some broken CMS software + # squot is generated by some broken CMS software + if ent in {'apos', 'squot'}: return check("'") if ent == 'hellips': ent = 'hellip' @@ -331,7 +335,7 @@ def entity_to_unicode(match, exceptions=[], encoding='cp1252', num = int(ent[2:], 16) else: num = int(ent[1:]) - except: + except Exception: return '&'+ent+';' if encoding is None or num > 255: return check(my_unichr(num)) @@ -394,15 +398,6 @@ def force_unicode(obj, enc=preferred_encoding): return obj -def as_unicode(obj, enc=preferred_encoding): - if not isinstance(obj, bytes): - try: - obj = str(obj) - except Exception: - obj = repr(obj) - return force_unicode(obj, enc=enc) - - def url_slash_cleaner(url): ''' Removes redundant /'s from url's. diff --git a/ebook_converter/ebooks/conversion/preprocess.py b/ebook_converter/ebooks/conversion/preprocess.py index 1cc42b4..9f8bfcf 100644 --- a/ebook_converter/ebooks/conversion/preprocess.py +++ b/ebook_converter/ebooks/conversion/preprocess.py @@ -1,43 +1,37 @@ -import functools, re, json -from math import ceil +import functools +import json +import math +import re -from ebook_converter import entity_to_unicode, as_unicode +from ebook_converter import entity_to_unicode -__license__ = 'GPL v3' -__copyright__ = '2009, Kovid Goyal ' -__docformat__ = 'restructuredtext en' - -XMLDECL_RE = re.compile(r'^\s*<[?]xml.*?[?]>') -SVG_NS = 'http://www.w3.org/2000/svg' -XLINK_NS = 'http://www.w3.org/1999/xlink' +XMLDECL_RE = re.compile(r'^\s*<[?]xml.*?[?]>') +SVG_NS = 'http://www.w3.org/2000/svg' +XLINK_NS = 'http://www.w3.org/1999/xlink' convert_entities = functools.partial(entity_to_unicode, - result_exceptions={ - '<' : '<', - '>' : '>', - "'" : ''', - '"' : '"', - '&' : '&', - }) -_span_pat = re.compile('', re.DOTALL|re.IGNORECASE) + result_exceptions={'<': '<', + '>': '>', + "'": ''', + '"': '"', + '&': '&'}) +_span_pat = re.compile('', re.DOTALL | re.IGNORECASE) -LIGATURES = { -# '\u00c6': 'AE', -# '\u00e6': 'ae', -# '\u0152': 'OE', -# '\u0153': 'oe', -# '\u0132': 'IJ', -# '\u0133': 'ij', -# '\u1D6B': 'ue', - '\uFB00': 'ff', - '\uFB01': 'fi', - '\uFB02': 'fl', - '\uFB03': 'ffi', - '\uFB04': 'ffl', - '\uFB05': 'ft', - '\uFB06': 'st', - } +LIGATURES = {'\uFB00': 'ff', + '\uFB01': 'fi', + '\uFB02': 'fl', + '\uFB03': 'ffi', + '\uFB04': 'ffl', + '\uFB05': 'ft', + '\uFB06': 'st'} +# '\u00c6': 'AE', +# '\u00e6': 'ae', +# '\u0152': 'OE', +# '\u0153': 'oe', +# '\u0132': 'IJ', +# '\u0133': 'ij', +# '\u1D6B': 'ue', _ligpat = re.compile('|'.join(LIGATURES)) @@ -83,17 +77,18 @@ def smarten_punctuation(html, log=None): class DocAnalysis(object): - ''' - Provides various text analysis functions to determine how the document is structured. - format is the type of document analysis will be done against. + """ + Provides various text analysis functions to determine how the document is + structured. format is the type of document analysis will be done against. raw is the raw text to determine the line length to use for wrapping. Blank lines are excluded from analysis - ''' + """ def __init__(self, format='html', raw=''): raw = raw.replace(' ', ' ') if format == 'html': - linere = re.compile(r'(?<=]*>\s*

).*?(?=

)', re.DOTALL) + linere = re.compile(r'(?<=]*>\s*

).*?(?=

)', + re.DOTALL) elif format == 'pdf': linere = re.compile(r'(?<=
)(?!\s*
).*?(?=
)', re.DOTALL) elif format == 'spanned_html': @@ -103,13 +98,13 @@ class DocAnalysis(object): self.lines = linere.findall(raw) def line_length(self, percent): - ''' + """ Analyses the document to find the median line length. percentage is a decimal number, 0 - 1 which is used to determine how far in the list of line lengths to use. The list of line lengths is ordered smallest to largest and does not include duplicates. 0.5 is the median value. - ''' + """ lengths = [] for line in self.lines: if len(line) > 0: @@ -121,7 +116,7 @@ class DocAnalysis(object): lengths = list(set(lengths)) total = sum(lengths) avg = total / len(lengths) - max_line = ceil(avg * 2) + max_line = math.ceil(avg * 2) lengths = sorted(lengths) for i in range(len(lengths) - 1, -1, -1): @@ -138,31 +133,32 @@ class DocAnalysis(object): return lengths[index] def line_histogram(self, percent): - ''' - Creates a broad histogram of the document to determine whether it incorporates hard - line breaks. Lines are sorted into 20 'buckets' based on length. - percent is the percentage of lines that should be in a single bucket to return true - The majority of the lines will exist in 1-2 buckets in typical docs with hard line breaks - ''' - minLineLength=20 # Ignore lines under 20 chars (typical of spaces) - maxLineLength=1900 # Discard larger than this to stay in range - buckets=20 # Each line is divided into a bucket based on length + """ + Creates a broad histogram of the document to determine whether it + incorporates hard line breaks. Lines are sorted into 20 'buckets' + based on length. percent is the percentage of lines that should be in + a single bucket to return true The majority of the lines will exist in + 1-2 buckets in typical docs with hard line breaks + """ + minLineLength = 20 # Ignore lines under 20 chars (typical of spaces) + maxLineLength = 1900 # Discard larger than this to stay in range + buckets = 20 # Each line is divided into a bucket based on length # print("there are "+str(len(lines))+" lines") # max = 0 # for line in self.lines: - # l = len(line) - # if l > max: - # max = l + # _l = len(line) + # if _l > max: + # max = _l # print("max line found is "+str(max)) # Build the line length histogram - hRaw = [0 for i in range(0,buckets)] + hRaw = [0 for i in range(0, buckets)] for line in self.lines: - l = len(line) - if l > minLineLength and l < maxLineLength: - l = int(l // 100) - # print("adding "+str(l)) - hRaw[l]+=1 + _l = len(line) + if _l > minLineLength and _l < maxLineLength: + _l = int(_l // 100) + # print("adding "+str(_l)) + hRaw[_l] += 1 # Normalize the histogram into percents totalLines = len(self.lines) @@ -175,7 +171,7 @@ class DocAnalysis(object): # Find the biggest bucket maxValue = 0 - for i in range(0,len(h)): + for i in range(0, len(h)): if h[i] > maxValue: maxValue = h[i] @@ -188,36 +184,42 @@ class DocAnalysis(object): class Dehyphenator(object): - ''' - Analyzes words to determine whether hyphens should be retained/removed. Uses the document - itself is as a dictionary. This method handles all languages along with uncommon, made-up, and - scientific words. The primary disadvantage is that words appearing only once in the document - retain hyphens. - ''' + """ + Analyzes words to determine whether hyphens should be retained/removed. + Uses the document itself is as a dictionary. This method handles all + languages along with uncommon, made-up, and scientific words. The primary + disadvantage is that words appearing only once in the document retain + hyphens. + """ def __init__(self, verbose=0, log=None): self.log = log self.verbose = verbose - # Add common suffixes to the regex below to increase the likelihood of a match - - # don't add suffixes which are also complete words, such as 'able' or 'sex' - # only remove if it's not already the point of hyphenation - self.suffix_string = ( - "((ed)?ly|'?e?s||a?(t|s)?ion(s|al(ly)?)?|ings?|er|(i)?ous|" - "(i|a)ty|(it)?ies|ive|gence|istic(ally)?|(e|a)nce|m?ents?|ism|ated|" - "(e|u)ct(ed)?|ed|(i|ed)?ness|(e|a)ncy|ble|ier|al|ex|ian)$") + # Add common suffixes to the regex below to increase the likelihood of + # a match - don't add suffixes which are also complete words, such as + # 'able' or 'sex' only remove if it's not already the point of + # hyphenation + self.suffix_string = ("((ed)?ly|'?e?s||a?(t|s)?ion(s|al(ly)?)?|ings?" + "|er|(i)?ous|(i|a)ty|(it)?ies|ive|gence|" + "istic(ally)?|(e|a)nce|m?ents?|ism|ated|" + "(e|u)ct(ed)?|ed|(i|ed)?ness|(e|a)ncy|ble|ier" + "|al|ex|ian)$") self.suffixes = re.compile(r"^%s" % self.suffix_string, re.IGNORECASE) - self.removesuffixes = re.compile(r"%s" % self.suffix_string, re.IGNORECASE) - # remove prefixes if the prefix was not already the point of hyphenation + self.removesuffixes = re.compile(r"%s" % self.suffix_string, + re.IGNORECASE) + # remove prefixes if the prefix was not already the point of + # hyphenation self.prefix_string = '^(dis|re|un|in|ex)' self.prefixes = re.compile(r'%s$' % self.prefix_string, re.IGNORECASE) - self.removeprefix = re.compile(r'%s' % self.prefix_string, re.IGNORECASE) + self.removeprefix = re.compile(r'%s' % self.prefix_string, + re.IGNORECASE) def dehyphenate(self, match): firsthalf = match.group('firstpart') secondhalf = match.group('secondpart') try: wraptags = match.group('wraptags') - except: + except Exception: wraptags = '' hyphenated = str(firsthalf) + "-" + str(secondhalf) dehyphenated = str(firsthalf) + str(secondhalf) @@ -231,65 +233,84 @@ class Dehyphenator(object): self.log("lookup word is: "+lookupword+", orig is: " + hyphenated) try: searchresult = self.html.find(lookupword.lower()) - except: + except Exception: return hyphenated if self.format == 'html_cleanup' or self.format == 'txt_cleanup': if self.html.find(lookupword) != -1 or searchresult != -1: if self.verbose > 2: - self.log(" Cleanup:returned dehyphenated word: " + dehyphenated) + self.log(" Cleanup:returned dehyphenated word: " + + dehyphenated) return dehyphenated elif self.html.find(hyphenated) != -1: if self.verbose > 2: - self.log(" Cleanup:returned hyphenated word: " + hyphenated) + self.log(" Cleanup:returned hyphenated word: " + + hyphenated) return hyphenated else: if self.verbose > 2: - self.log(" Cleanup:returning original text "+firsthalf+" + linefeed "+secondhalf) + self.log(" Cleanup:returning original text " + + firsthalf + " + linefeed " + secondhalf) return firsthalf+'\u2014'+wraptags+secondhalf else: - if self.format == 'individual_words' and len(firsthalf) + len(secondhalf) <= 6: + if (self.format == 'individual_words' and + len(firsthalf) + len(secondhalf) <= 6): if self.verbose > 2: - self.log("too short, returned hyphenated word: " + hyphenated) + self.log("too short, returned hyphenated word: " + + hyphenated) return hyphenated if len(firsthalf) <= 2 and len(secondhalf) <= 2: if self.verbose > 2: - self.log("too short, returned hyphenated word: " + hyphenated) + self.log("too short, returned hyphenated word: " + + hyphenated) return hyphenated if self.html.find(lookupword) != -1 or searchresult != -1: if self.verbose > 2: - self.log(" returned dehyphenated word: " + dehyphenated) + self.log(" returned dehyphenated word: " + + dehyphenated) return dehyphenated else: if self.verbose > 2: - self.log(" returned hyphenated word: " + hyphenated) + self.log(" returned hyphenated word: " + + hyphenated) return hyphenated def __call__(self, html, format, length=1): self.html = html self.format = format if format == 'html': - intextmatch = re.compile(( - r'(?<=.{%i})(?P[^\W\-]+)(-|‐)\s*(?=<)(?P()?' - r'\s*(\s*){1,2}(?P<(p|div)[^>]*>\s*(]*>\s*

\s*)' - r'?\s+){0,3}\s*(<[iubp][^>]*>\s*){1,2}(]*>)?)\s*(?P[\w\d]+)') % length) + intextmatch = re.compile(r'(?<=.{%i})(?P[^\W\-]+)' + r'(-|‐)\s*(?=<)(?P()?' + r'\s*(\s*){1,2}' + r'(?P<(p|div)[^>]*>\s*' + r'(]*>\s*

\s*)?\s+)' + r'{0,3}\s*(<[iubp][^>]*>\s*){1,2}' + r'(]*>)?)\s*(?P' + r'[\w\d]+)' % length) elif format == 'pdf': - intextmatch = re.compile(( - r'(?<=.{%i})(?P[^\W\-]+)(-|‐)\s*(?P

|' - r'\s*

\s*<[iub]>)\s*(?P[\w\d]+)')% length) + intextmatch = re.compile(r'(?<=.{%i})(?P[^\W\-]+)(-|‐)' + r'\s*(?P

|\s*

\s*' + r'<[iub]>)\s*(?P[\w\d]+)' % + length) elif format == 'txt': - intextmatch = re.compile( - '(?<=.{%i})(?P[^\\W\\-]+)(-|‐)(\u0020|\u0009)*(?P(\n(\u0020|\u0009)*)+)(?P[\\w\\d]+)'% length) + intextmatch = re.compile('(?<=.{%i})(?P[^\\W\\-]+)(-|‐)' + '(\u0020|\u0009)*(?P' + '(\n(\u0020|\u0009)*)+)(?P' + '[\\w\\d]+)' % length) elif format == 'individual_words': - intextmatch = re.compile( - r'(?!<)(?P[^\W\-]+)(-|‐)\s*(?P\w+)(?![^<]*?>)', re.UNICODE) + intextmatch = re.compile(r'(?!<)(?P[^\W\-]+)(-|‐)\s*' + r'(?P\w+)(?![^<]*?>)', + re.UNICODE) elif format == 'html_cleanup': - intextmatch = re.compile( - r'(?P[^\W\-]+)(-|‐)\s*(?=<)(?P\s*(' - r'\s*<[iubp][^>]*>\s*)?]*>|\s*<[iubp][^>]*>)?\s*(?P[\w\d]+)') + intextmatch = re.compile(r'(?P[^\W\-]+)(-|‐)\s*(?=<)' + r'(?P\s*(\s*' + r'<[iubp][^>]*>\s*)?]*>|' + r'\s*<[iubp][^>]*>)?\s*(?P' + r'[\w\d]+)') elif format == 'txt_cleanup': - intextmatch = re.compile( - r'(?P[^\W\-]+)(-|‐)(?P\s+)(?P[\w\d]+)') + intextmatch = re.compile(r'(?P[^\W\-]+)(-|‐)' + r'(?P\s+)(?P' + r'[\w\d]+)') html = intextmatch.sub(self.dehyphenate, html) return html @@ -299,18 +320,18 @@ class CSSPreProcessor(object): # Remove some of the broken CSS Microsoft products # create - MS_PAT = re.compile(r''' + MS_PAT = re.compile(r''' (?P^|;|\{)\s* # The end of the previous rule or block start (%s).+? # The invalid selectors (?P$|;|\}) # The end of the declaration - '''%'mso-|panose-|text-underline|tab-interval', - re.MULTILINE|re.IGNORECASE|re.VERBOSE) + ''' % 'mso-|panose-|text-underline|tab-interval', + re.MULTILINE | re.IGNORECASE | re.VERBOSE) def ms_sub(self, match): end = match.group('end') try: start = match.group('start') - except: + except Exception: start = '' if end == ';': end = '' @@ -332,7 +353,7 @@ class CSSPreProcessor(object): for line in data.splitlines(): ll = line.lstrip() if not (namespaced or ll.startswith('@import') or not ll or - ll.startswith('@charset')): + ll.startswith('@charset')): ans.append(XHTML_CSS_NAMESPACE.strip()) namespaced = True ans.append(line) @@ -359,7 +380,8 @@ def accent_regex(accent_maps, letter_before=False): args = ''.join(accent_cat), ''.join(letters) accent_group, letter_group = 1, 2 - pat = re.compile(r'([{}])\s*(?:]*>){{0,1}}\s*([{}])'.format(*args), re.UNICODE) + pat = re.compile(r'([{}])\s*(?:]*>){{0,1}}\s*([{}])'.format(*args), + re.UNICODE) def sub(m): lmap = accent_maps[m.group(accent_group)] @@ -371,83 +393,96 @@ def accent_regex(accent_maps, letter_before=False): def html_preprocess_rules(): ans = getattr(html_preprocess_rules, 'ans', None) if ans is None: - ans = html_preprocess_rules.ans = [ - # Remove huge block of contiguous spaces as they slow down - # the following regexes pretty badly - (re.compile(r'\s{10000,}'), ''), - # Some idiotic HTML generators (Frontpage I'm looking at you) - # Put all sorts of crap into . This messes up lxml - (re.compile(r']*>\n*(.*?)\n*', re.IGNORECASE|re.DOTALL), - sanitize_head), - # Convert all entities, since lxml doesn't handle them well - (re.compile(r'&(\S+?);'), convert_entities), - # Remove the ', re.IGNORECASE), ''), - ] + ans = [ + # Remove huge block of contiguous spaces as they slow down + # the following regexes pretty badly + (re.compile(r'\s{10000,}'), ''), + # Some idiotic HTML generators (Frontpage I'm looking at you) + # Put all sorts of crap into . This messes up lxml + (re.compile(r']*>\n*(.*?)\n*', + re.IGNORECASE | re.DOTALL), sanitize_head), + # Convert all entities, since lxml doesn't handle them well + (re.compile(r'&(\S+?);'), convert_entities), + # Remove the ', re.IGNORECASE), + '')] + html_preprocess_rules.ans = ans return ans def pdftohtml_rules(): ans = getattr(pdftohtml_rules, 'ans', None) if ans is None: - ans = pdftohtml_rules.ans = [ - accent_regex({ - '¨': 'aAeEiIoOuU:äÄëËïÏöÖüÜ', - '`': 'aAeEiIoOuU:àÀèÈìÌòÒùÙ', - '´': 'aAcCeEiIlLoOnNrRsSuUzZ:áÁćĆéÉíÍĺĹóÓńŃŕŔśŚúÚźŹ', - 'ˆ': 'aAeEiIoOuU:âÂêÊîÎôÔûÛ', - '¸': 'cC:çÇ', - '˛': 'aAeE:ąĄęĘ', - '˙': 'zZ:żŻ', - 'ˇ': 'cCdDeElLnNrRsStTzZ:čČďĎěĚľĽňŇřŘšŠťŤžŽ', - '°': 'uU:ůŮ', - }), + ans = [accent_regex({'¨': 'aAeEiIoOuU:äÄëËïÏöÖüÜ', + '`': 'aAeEiIoOuU:àÀèÈìÌòÒùÙ', + '´': 'aAcCeEiIlLoOnNrRsSuUzZ:áÁćĆéÉíÍĺĹóÓńŃŕŔśŚ' + 'úÚźŹ', + 'ˆ': 'aAeEiIoOuU:âÂêÊîÎôÔûÛ', + '¸': 'cC:çÇ', + '˛': 'aAeE:ąĄęĘ', + '˙': 'zZ:żŻ', + 'ˇ': 'cCdDeElLnNrRsStTzZ:čČďĎěĚľĽňŇřŘšŠťŤžŽ', + '°': 'uU:ůŮ'}), + accent_regex({'`': 'aAeEiIoOuU:àÀèÈìÌòÒùÙ'}, + letter_before=True), - accent_regex({'`': 'aAeEiIoOuU:àÀèÈìÌòÒùÙ'}, letter_before=True), + # If pdf printed from a browser then the header/footer has a + # reliable pattern + (re.compile(r'((?<=)\s*file:/{2,4}[A-Z].*
|file:////?' + r'[A-Z].*
(?=\s*

))', + re.IGNORECASE), lambda match: ''), - # If pdf printed from a browser then the header/footer has a reliable pattern - (re.compile(r'((?<=)\s*file:/{2,4}[A-Z].*
|file:////?[A-Z].*
(?=\s*
))', re.IGNORECASE), lambda match: ''), + # Center separator lines + (re.compile(r'
\s*(?P([*#•✦=] *){3,})\s*
'), + lambda match: '

\n

' + + match.group('break') + '

'), - # Center separator lines - (re.compile(r'
\s*(?P([*#•✦=] *){3,})\s*
'), lambda match: '

\n

' + match.group('break') + '

'), + # Remove
tags + (re.compile(r'', re.IGNORECASE), ''), - # Remove
tags - (re.compile(r'', re.IGNORECASE), ''), + # Remove gray background + (re.compile(r']+>'), ''), - # Remove gray background - (re.compile(r']+>'), ''), + # Convert line breaks to paragraphs + (re.compile(r']*>\s*'), '

\n

'), + (re.compile(r']*>\s*'), '\n

'), + (re.compile(r'\s*'), '

\n'), - # Convert line breaks to paragraphs - (re.compile(r']*>\s*'), '

\n

'), - (re.compile(r']*>\s*'), '\n

'), - (re.compile(r'\s*'), '

\n'), - - # Clean up spaces - (re.compile(r'(?<=[\.,;\?!”"\'])[\s^ ]*(?=<)'), ' '), - # Add space before and after italics - (re.compile(r'(?'), ' '), - (re.compile(r'(?=\w)'), ' '), - ] + # Clean up spaces + (re.compile(r'(?<=[\.,;\?!”"\'])[\s^ ]*(?=<)'), ' '), + # Add space before and after italics + (re.compile(r'(?'), ' '), + (re.compile(r'(?=\w)'), ' ')] + pdftohtml_rules.ans = ans return ans def book_designer_rules(): ans = getattr(book_designer_rules, 'ans', None) if ans is None: - ans = book_designer_rules.ans = [ - # HR - (re.compile('
', re.IGNORECASE), - lambda match : ' '), - # Create header tags - (re.compile(r'<]*?id=BookTitle[^><]*?(align=)*(?(1)(\w+))*[^><]*?>[^><]*?', re.IGNORECASE), - lambda match : '

%s

'%(match.group(2) if match.group(2) else 'center', match.group(3))), - (re.compile(r'<]*?id=BookAuthor[^><]*?(align=)*(?(1)(\w+))*[^><]*?>[^><]*?', re.IGNORECASE), - lambda match : '

%s

'%(match.group(2) if match.group(2) else 'center', match.group(3))), - (re.compile('<]*?id=title[^><]*?>(.*?)', re.IGNORECASE|re.DOTALL), - lambda match : '

%s

'%(match.group(1),)), - (re.compile('<]*?id=subtitle[^><]*?>(.*?)', re.IGNORECASE|re.DOTALL), - lambda match : '

%s

'%(match.group(1),)), - ] + ans = [(re.compile('
', re.IGNORECASE), + lambda match: ' ' + ''), + # Create header tags + (re.compile(r'<]*?id=BookTitle[^><]*?(align=)*(?(1)' + r'(\w+))*[^><]*?>[^><]*?', re.IGNORECASE), + lambda match: '

%s

' % + (match.group(2) if match.group(2) else 'center', + match.group(3))), + (re.compile(r'<]*?id=BookAuthor[^><]*?(align=)*(?(1)' + r'(\w+))*[^><]*?>[^><]*?', re.IGNORECASE), + lambda match: '

%s

' % + (match.group(2) if match.group(2) else 'center', + match.group(3))), + (re.compile('<]*?id=title[^><]*?>(.*?)', + re.IGNORECASE | re.DOTALL), + lambda match: '

%s

' % (match.group(1),)), + (re.compile('<]*?id=subtitle[^><]*?>(.*?)', + re.IGNORECASE | re.DOTALL), + lambda match: '

%s

' % + (match.group(1),))] + book_designer_rules.ans = ans return None @@ -470,7 +505,7 @@ class HTMLPreProcessor(object): return '' in src[:1000] def __call__(self, html, remove_special_chars=None, - get_preprocess_html=False): + get_preprocess_html=False): if remove_special_chars is not None: html = remove_special_chars.sub('', html) html = html.replace('\0', '') @@ -487,13 +522,14 @@ class HTMLPreProcessor(object): start_rules = [] if not getattr(self.extra_opts, 'keep_ligatures', False): - html = _ligpat.sub(lambda m:LIGATURES[m.group()], html) + html = _ligpat.sub(lambda m: LIGATURES[m.group()], html) user_sr_rules = {} # Function for processing search and replace def do_search_replace(search_pattern, replace_txt): - from ebook_converter.ebooks.conversion.search_replace import compile_regular_expression + from ebook_converter.ebooks.conversion.search_replace import \ + compile_regular_expression try: search_re = compile_regular_expression(search_pattern) if not replace_txt: @@ -502,11 +538,11 @@ class HTMLPreProcessor(object): user_sr_rules[(search_re, replace_txt)] = search_pattern except Exception as e: self.log.error('Failed to parse %r regexp because %s' % - (search, as_unicode(e))) + (search, e)) # search / replace using the sr?_search / sr?_replace options for i in range(1, 4): - search, replace = 'sr%d_search'%i, 'sr%d_replace'%i + search, replace = 'sr%d_search' % i, 'sr%d_replace' % i search_pattern = getattr(self.extra_opts, search, '') replace_txt = getattr(self.extra_opts, replace, '') if search_pattern: @@ -520,31 +556,35 @@ class HTMLPreProcessor(object): do_search_replace(search_pattern, replace_txt) end_rules = [] - # delete soft hyphens - moved here so it's executed after header/footer removal + # delete soft hyphens - moved here so it's executed after + # header/footer removal if is_pdftohtml: # unwrap/delete soft hyphens - end_rules.append((re.compile( - r'[­](

\s*

\s*)+\s*(?=[\[a-z\d])'), lambda match: '')) + end_rules.append((re.compile(r'[­](

\s*

\s*)+\s*' + r'(?=[\[a-z\d])'), lambda match: '')) # unwrap/delete soft hyphens with formatting - end_rules.append((re.compile( - r'[­]\s*()+(

\s*

\s*)+\s*(<(i|u|b)>)+\s*(?=[\[a-z\d])'), lambda match: '')) + end_rules.append((re.compile(r'[­]\s*()+(

\s*

\s*)+' + r'\s*(<(i|u|b)>)+\s*(?=[\[a-z\d])'), + lambda match: '')) length = -1 if getattr(self.extra_opts, 'unwrap_factor', 0.0) > 0.01: docanalysis = DocAnalysis('pdf', html) - length = docanalysis.line_length(getattr(self.extra_opts, 'unwrap_factor')) + length = docanalysis.line_length(getattr(self.extra_opts, + 'unwrap_factor')) if length: # print("The pdf line length returned is " + str(length)) # unwrap em/en dashes - end_rules.append((re.compile( - r'(?<=.{%i}[–—])\s*

\s*(?=[\[a-z\d])' % length), lambda match: '')) + end_rules.append((re.compile(r'(?<=.{%i}[–—])\s*

\s*' + r'(?=[\[a-z\d])' % length), + lambda match: '')) end_rules.append( # Un wrap using punctuation - (re.compile(( - r'(?<=.{%i}([a-zäëïöüàèìòùáćéíĺóŕńśúýâêîôûçąężıãõñæøþðßěľščťžňďřů,:)\\IAß]' - r'|(?)?\s*(

\s*

\s*)+\s*(?=(<(i|b|u)>)?' - r'\s*[\w\d$(])') % length, re.UNICODE), wrap_lines), - ) + (re.compile((r'(?<=.{%i}([a-zäëïöüàèìòùáćéíĺóŕńśúýâêîôûçą' + r'ężıãõñæøþðßěľščťžňďřů,:)\\IAß]|(?)?\s*(

\s*' + r'

\s*)+\s*(?=(<(i|b|u)>)?\s*[\w\d$(])') % + length, re.UNICODE), wrap_lines)) for rule in html_preprocess_rules() + start_rules: html = rule[0].sub(rule[1], html) @@ -567,7 +607,7 @@ class HTMLPreProcessor(object): name, i = None, 0 while not name or os.path.exists(os.path.join(odir, name)): i += 1 - name = '%04d.html'%i + name = '%04d.html' % i with open(os.path.join(odir, name), 'wb') as f: f.write(raw.encode('utf-8')) @@ -578,20 +618,20 @@ class HTMLPreProcessor(object): html = rule[0].sub(rule[1], html) except Exception as e: if rule in user_sr_rules: - self.log.error( - 'User supplied search & replace rule: %s -> %s ' - 'failed with error: %s, ignoring.'%( - user_sr_rules[rule], rule[1], e)) + self.log.error('User supplied search & replace rule: %s ' + '-> %s failed with error: %s, ignoring.' % + (user_sr_rules[rule], rule[1], e)) else: raise if is_pdftohtml and length > -1: # Dehyphenate dehyphenator = Dehyphenator(self.extra_opts.verbose, self.log) - html = dehyphenator(html,'html', length) + html = dehyphenator(html, 'html', length) if is_pdftohtml: - from ebook_converter.ebooks.conversion.utils import HeuristicProcessor + from ebook_converter.ebooks.conversion.utils import \ + HeuristicProcessor pdf_markup = HeuristicProcessor(self.extra_opts, None) totalwords = 0 if pdf_markup.get_word_count(html) > 7000: @@ -613,23 +653,26 @@ class HTMLPreProcessor(object): from ebook_converter.utils.localization import get_udc from ebook_converter.utils.mreplace import MReplace unihandecoder = get_udc() - mr = MReplace(data={'«':'<'*3, '»':'>'*3}) + mr = MReplace(data={'«': '<' * 3, '»': '>' * 3}) html = mr.mreplace(html) html = unihandecoder.decode(html) if getattr(self.extra_opts, 'enable_heuristics', False): - from ebook_converter.ebooks.conversion.utils import HeuristicProcessor + from ebook_converter.ebooks.conversion.utils import \ + HeuristicProcessor preprocessor = HeuristicProcessor(self.extra_opts, self.log) html = preprocessor(html) if is_pdftohtml: - html = html.replace('', '') + html = html.replace('', '') if getattr(self.extra_opts, 'smarten_punctuation', False): html = smarten_punctuation(html, self.log) try: - unsupported_unicode_chars = self.extra_opts.output_profile.unsupported_unicode_chars + unsupported_unicode_chars = (self.extra_opts.output_profile + .unsupported_unicode_chars) except AttributeError: unsupported_unicode_chars = '' if unsupported_unicode_chars: diff --git a/ebook_converter/ebooks/html/input.py b/ebook_converter/ebooks/html/input.py index 3a61e1d..58b69bc 100644 --- a/ebook_converter/ebooks/html/input.py +++ b/ebook_converter/ebooks/html/input.py @@ -10,19 +10,13 @@ import urllib.parse from ebook_converter.ebooks.oeb.base import urlunquote from ebook_converter.ebooks.chardet import detect_xml_encoding from ebook_converter.constants_old import iswindows -from ebook_converter import unicode_path, as_unicode, replace_entities - - -__license__ = 'GPL v3' -__copyright__ = '2009, Kovid Goyal ' -__docformat__ = 'restructuredtext en' +from ebook_converter import unicode_path, replace_entities class Link(object): - - ''' + """ Represents a link in a HTML file. - ''' + """ @classmethod def url_to_local_path(cls, url, base): @@ -31,7 +25,8 @@ class Link(object): if iswindows and path.startswith('/'): path = path[1:] isabs = True - path = urllib.parse.urlunparse(('', '', path, url.params, url.query, '')) + path = urllib.parse.urlunparse(('', '', path, url.params, url.query, + '')) path = urlunquote(path) if isabs or os.path.isabs(path): return path @@ -39,17 +34,18 @@ class Link(object): def __init__(self, url, base): ''' - :param url: The url this link points to. Must be an unquoted unicode string. - :param base: The base directory that relative URLs are with respect to. - Must be a unicode string. + :param url: The url this link points to. Must be an unquoted unicode + string. + :param base: The base directory that relative URLs are with respect + to. Must be a unicode string. ''' assert isinstance(url, str) and isinstance(base, str) - self.url = url - self.parsed_url = urllib.parse.urlparse(self.url) - self.is_local = self.parsed_url.scheme in ('', 'file') + self.url = url + self.parsed_url = urllib.parse.urlparse(self.url) + self.is_local = self.parsed_url.scheme in ('', 'file') self.is_internal = self.is_local and not bool(self.parsed_url.path) - self.path = None - self.fragment = urlunquote(self.parsed_url.fragment) + self.path = None + self.fragment = urlunquote(self.parsed_url.fragment) if self.is_local and not self.is_internal: self.path = self.url_to_local_path(self.parsed_url, base) @@ -62,7 +58,7 @@ class Link(object): return self.path == getattr(other, 'path', other) def __str__(self): - return 'Link: %s --> %s'%(self.url, self.path) + return 'Link: %s --> %s' % (self.url, self.path) class IgnoreFile(Exception): @@ -84,24 +80,25 @@ class HTMLFile(object): The encoding of the file is available as :member:`encoding`. ''' - HTML_PAT = re.compile(r'<\s*html', re.IGNORECASE) + HTML_PAT = re.compile(r'<\s*html', re.IGNORECASE) TITLE_PAT = re.compile('([^<>]+)', re.IGNORECASE) - LINK_PAT = re.compile( - r'<\s*a\s+.*?href\s*=\s*(?:(?:"(?P[^"]+)")|(?:\'(?P[^\']+)\')|(?P[^\s>]+))', - re.DOTALL|re.IGNORECASE) + LINK_PAT = re.compile(r'<\s*a\s+.*?href\s*=\s*(?:(?:"(?P[^"]+)")|' + r'(?:\'(?P[^\']+)\')|(?P[^\s>]+))', + re.DOTALL | re.IGNORECASE) - def __init__(self, path_to_html_file, level, encoding, verbose, referrer=None): - ''' + def __init__(self, path_to_html_file, level, encoding, verbose, + referrer=None): + """ :param level: The level of this file. Should be 0 for the root file. :param encoding: Use `encoding` to decode HTML. :param referrer: The :class:`HTMLFile` that first refers to this file. - ''' - self.path = unicode_path(path_to_html_file, abs=True) - self.title = os.path.splitext(os.path.basename(self.path))[0] - self.base = os.path.dirname(self.path) - self.level = level + """ + self.path = unicode_path(path_to_html_file, abs=True) + self.title = os.path.splitext(os.path.basename(self.path))[0] + self.base = os.path.dirname(self.path) + self.level = level self.referrer = referrer - self.links = [] + self.links = [] try: with open(self.path, 'rb') as f: @@ -112,18 +109,21 @@ class HTMLFile(object): header = header.decode(encoding) except ValueError: pass - self.is_binary = level > 0 and not bool(self.HTML_PAT.search(header)) + self.is_binary = level > 0 and not bool(self + .HTML_PAT + .search(header)) if not self.is_binary: src += f.read() except IOError as err: - msg = 'Could not read from file: %s with error: %s'%(self.path, as_unicode(err)) + msg = ('Could not read from file: %s with error: %s' % + (self.path, str(err))) if level == 0: raise IOError(msg) raise IgnoreFile(msg, err.errno) if not src: if level == 0: - raise ValueError('The file %s is empty'%self.path) + raise ValueError('The file %s is empty' % self.path) self.is_binary = True if not self.is_binary: @@ -145,7 +145,9 @@ class HTMLFile(object): return hash(self.path) def __str__(self): - return 'HTMLFile:%d:%s:%s'%(self.level, 'b' if self.is_binary else 'a', self.path) + return 'HTMLFile:%d:%s:%s' % (self.level, + 'b' if self.is_binary else 'a', + self.path) def __repr__(self): return str(self) @@ -191,20 +193,22 @@ def depth_first(root, flat, visited=None): visited.add(hf) -def traverse(path_to_html_file, max_levels=sys.maxsize, verbose=0, encoding=None): - ''' +def traverse(path_to_html_file, max_levels=sys.maxsize, verbose=0, + encoding=None): + """ Recursively traverse all links in the HTML file. :param max_levels: Maximum levels of recursion. Must be non-negative. 0 - implies that no links in the root HTML file are followed. - :param encoding: Specify character encoding of HTML files. If `None` it is - auto-detected. - :return: A pair of lists (breadth_first, depth_first). Each list contains - :class:`HTMLFile` objects. - ''' + implies that no links in the root HTML file are + followed. + :param encoding: Specify character encoding of HTML files. If `None` it + is auto-detected. + :return: A pair of lists (breadth_first, depth_first). Each list + contains :class:`HTMLFile` objects. + """ assert max_levels >= 0 level = 0 - flat = [HTMLFile(path_to_html_file, level, encoding, verbose)] + flat = [HTMLFile(path_to_html_file, level, encoding, verbose)] next_level = list(flat) while level < max_levels and len(next_level) > 0: level += 1 @@ -215,9 +219,10 @@ def traverse(path_to_html_file, max_levels=sys.maxsize, verbose=0, encoding=None if link.path is None or link.path in flat: continue try: - nf = HTMLFile(link.path, level, encoding, verbose, referrer=hf) + nf = HTMLFile(link.path, level, encoding, verbose, + referrer=hf) if nf.is_binary: - raise IgnoreFile('%s is a binary file'%nf.path, -1) + raise IgnoreFile('%s is a binary file' % nf.path, -1) nl.append(nf) flat.append(nf) except IgnoreFile as err: @@ -244,7 +249,8 @@ def get_filelist(htmlfile, dir, opts, log): log.info('Building file list...') filelist = traverse(htmlfile, max_levels=int(opts.max_levels), verbose=opts.verbose, - encoding=opts.input_encoding)[0 if opts.breadth_first else 1] + encoding=opts + .input_encoding)[0 if opts.breadth_first else 1] if opts.verbose: log.debug('\tFound files...') for f in filelist: diff --git a/ebook_converter/ebooks/oeb/base.py b/ebook_converter/ebooks/oeb/base.py index bde545c..dce8242 100644 --- a/ebook_converter/ebooks/oeb/base.py +++ b/ebook_converter/ebooks/oeb/base.py @@ -21,7 +21,6 @@ from ebook_converter import force_unicode from ebook_converter.constants_old import filesystem_encoding, __version__ from ebook_converter.ebooks.chardet import xml_to_unicode from ebook_converter.ebooks.conversion.preprocess import CSSPreProcessor -from ebook_converter import as_unicode from ebook_converter.ebooks.oeb import parse_utils from ebook_converter.utils.cleantext import clean_xml_chars from ebook_converter.utils.short_uuid import uuid4 @@ -419,7 +418,7 @@ def urlnormalize(href): parts = urllib.parse.urlparse(href) except ValueError as e: raise ValueError('Failed to parse the URL: %r with underlying error: ' - '%s' % (href, as_unicode(e))) + '%s' % (href, e)) if not parts.scheme or parts.scheme == 'file': path, frag = urllib.parse.urldefrag(href) parts = ('', '', path, '', '', frag) @@ -723,7 +722,7 @@ class Metadata(object): % (parse_utils.barename(self.term), self.value, self.attrib) def __str__(self): - return as_unicode(self.value) + return str(self.value) def to_opf1(self, dcmeta=None, xmeta=None, nsrmap={}): attrib = {} diff --git a/ebook_converter/ebooks/oeb/transforms/split.py b/ebook_converter/ebooks/oeb/transforms/split.py index 66b5b81..753b5c0 100644 --- a/ebook_converter/ebooks/oeb/transforms/split.py +++ b/ebook_converter/ebooks/oeb/transforms/split.py @@ -14,7 +14,7 @@ from lxml.etree import XPath as _XPath from lxml import etree from ebook_converter import constants as const -from ebook_converter import as_unicode, force_unicode +from ebook_converter import force_unicode from ebook_converter.ebooks.epub import rules from ebook_converter.ebooks.oeb import base from ebook_converter.ebooks.oeb.polish.split import do_split @@ -126,7 +126,7 @@ class Split(object): except SelectorError as err: self.log.warn('Ignoring page breaks specified with invalid ' 'CSS selector: %r (%s)' % - (selector, as_unicode(err))) + (selector, err)) for i, elem in enumerate(item.data.iter('*')): try: diff --git a/ebook_converter/utils/fonts/scanner.py b/ebook_converter/utils/fonts/scanner.py index 4883acc..d87faf0 100644 --- a/ebook_converter/utils/fonts/scanner.py +++ b/ebook_converter/utils/fonts/scanner.py @@ -2,17 +2,13 @@ import os from collections import defaultdict from threading import Thread -from ebook_converter import walk, prints, as_unicode -from ebook_converter.constants_old import (config_dir, iswindows, isosx, plugins, DEBUG, - isworker, filesystem_encoding) +from ebook_converter import walk, prints +from ebook_converter.constants_old import iswindows, isosx +from ebook_converter.constants_old import plugins, DEBUG, isworker +from ebook_converter.constants_old import filesystem_encoding from ebook_converter.utils.fonts.metadata import FontMetadata, UnsupportedFont -__license__ = 'GPL v3' -__copyright__ = '2012, Kovid Goyal ' -__docformat__ = 'restructuredtext en' - - class NoFonts(ValueError): pass @@ -38,7 +34,7 @@ def fc_list(): return default_font_dirs() try: lib = ctypes.CDLL(lib) - except: + except Exception: return default_font_dirs() prototype = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p) @@ -97,7 +93,7 @@ def font_dirs(): if iswindows: winutil, err = plugins['winutil'] if err: - raise RuntimeError('Failed to load winutil: %s'%err) + raise RuntimeError('Failed to load winutil: %s' % err) try: return [winutil.special_folder_path(winutil.CSIDL_FONTS)] except ValueError: @@ -126,9 +122,10 @@ def font_priority(font): width_normal = font['font-stretch'] == 'normal' weight_normal = font['font-weight'] == 'normal' num_normal = sum(filter(None, (style_normal, width_normal, - weight_normal))) + weight_normal))) subfamily_name = (font['wws_subfamily_name'] or - font['preferred_subfamily_name'] or font['subfamily_name']) + font['preferred_subfamily_name'] or + font['subfamily_name']) if num_normal == 3 and subfamily_name == 'Regular': return 0 if num_normal == 3: @@ -167,7 +164,9 @@ def build_families(cached_fonts, folders, family_attr='font-family'): if fingerprint in fmap: opath = fmap[fingerprint]['path'] npath = font['path'] - if path_significance(npath, folders) >= path_significance(opath, folders): + if path_significance(npath, + folders) >= path_significance(opath, + folders): remove.append(fmap[fingerprint]) fmap[fingerprint] = font else: @@ -214,7 +213,7 @@ class FontScanner(Thread): try: return self.font_family_map[family.lower()] except KeyError: - raise NoFonts('No fonts found for the family: %r'%family) + raise NoFonts('No fonts found for the family: %r' % family) def legacy_fonts_for_family(self, family): ''' @@ -247,8 +246,11 @@ class FontScanner(Thread): with open(path, 'rb') as f: return f.read() - def find_font_for_text(self, text, allowed_families={'serif', 'sans-serif'}, - preferred_families=('serif', 'sans-serif', 'monospace', 'cursive', 'fantasy')): + def find_font_for_text(self, text, + allowed_families={'serif', 'sans-serif'}, + preferred_families=('serif', 'sans-serif', + 'monospace', 'cursive', + 'fantasy')): ''' Find a font on the system capable of rendering the given text. @@ -258,10 +260,11 @@ class FontScanner(Thread): :return: (family name, faces) or None, None ''' - from ebook_converter.utils.fonts.utils import (supports_text, - panose_to_css_generic_family, get_printable_characters) + from ebook_converter.utils.fonts.utils import \ + supports_text, panose_to_css_generic_family, \ + get_printable_characters if not isinstance(text, str): - raise TypeError(u'%r is not unicode'%text) + raise TypeError(u'%r is not unicode' % text) text = get_printable_characters(text) found = {} @@ -269,7 +272,7 @@ class FontScanner(Thread): try: raw = self.get_font_data(font) return supports_text(raw, text) - except: + except Exception: pass return False @@ -278,7 +281,8 @@ class FontScanner(Thread): if not faces: continue generic_family = panose_to_css_generic_family(faces[0]['panose']) - if generic_family in allowed_families or generic_family == preferred_families[0]: + if (generic_family in allowed_families or + generic_family == preferred_families[0]): return (family, faces) elif generic_family not in found: found[generic_family] = (family, faces) @@ -321,18 +325,20 @@ class FontScanner(Thread): files = tuple(walk(folder)) except EnvironmentError as e: if DEBUG: - prints('Failed to walk font folder:', folder, - as_unicode(e)) + prints('Failed to walk font folder:', folder, str(e)) continue for candidate in files: - if (candidate.rpartition('.')[-1].lower() not in self.allowed_extensions or not os.path.isfile(candidate)): + if (candidate.rpartition('.')[-1].lower() not in + self.allowed_extensions or + not os.path.isfile(candidate)): continue candidate = os.path.normcase(os.path.abspath(candidate)) try: s = os.stat(candidate) except EnvironmentError: continue - fileid = '{0}||{1}:{2}'.format(candidate, s.st_size, s.st_mtime) + fileid = '{0}||{1}:{2}'.format(candidate, s.st_size, + s.st_mtime) if fileid in cached_fonts: # Use previously cached metadata, since the file size and # last modified timestamp have not changed. @@ -343,7 +349,7 @@ class FontScanner(Thread): except Exception as e: if DEBUG: prints('Failed to read metadata from font file:', - candidate, as_unicode(e)) + candidate, str(e)) continue if frozenset(cached_fonts) != frozenset(self.cached_fonts): @@ -353,7 +359,8 @@ class FontScanner(Thread): self.build_families() def build_families(self): - self.font_family_map, self.font_families = build_families(self.cached_fonts, self.folders) + (self.font_family_map, + self.font_families) = build_families(self.cached_fonts, self.folders) def write_cache(self): with self.cache: @@ -380,14 +387,14 @@ class FontScanner(Thread): for family in self.font_families: prints(family) for font in self.fonts_for_family(family): - prints('\t%s: %s'%(font['full_name'], font['path'])) + prints('\t%s: %s' % (font['full_name'], font['path'])) prints(end='\t') for key in ('font-stretch', 'font-weight', 'font-style'): - prints('%s: %s'%(key, font[key]), end=' ') + prints('%s: %s' % (key, font[key]), end=' ') prints() prints('\tSub-family:', font['wws_subfamily_name'] or - font['preferred_subfamily_name'] or - font['subfamily_name']) + font['preferred_subfamily_name'] or + font['subfamily_name']) prints() prints() diff --git a/ebook_converter/utils/logging.py b/ebook_converter/utils/logging.py index c1f2398..c25ab46 100644 --- a/ebook_converter/utils/logging.py +++ b/ebook_converter/utils/logging.py @@ -1,20 +1,18 @@ """ A simplified logging system """ -import sys, traceback, io +import sys +import traceback +import io from functools import partial from threading import Lock -from ebook_converter import force_unicode, as_unicode, prints +from ebook_converter import force_unicode, prints -__license__ = 'GPL 3' -__copyright__ = '2009, Kovid Goyal ' -__docformat__ = 'restructuredtext en' - DEBUG = 0 -INFO = 1 -WARN = 2 +INFO = 1 +WARN = 2 ERROR = 3 @@ -38,10 +36,10 @@ class ANSIStream(Stream): def __init__(self, stream=sys.stdout): Stream.__init__(self, stream) self.color = { - DEBUG: u'green', + DEBUG: 'green', INFO: None, - WARN: u'yellow', - ERROR: u'red', + WARN: 'yellow', + ERROR: 'red', } def prints(self, level, *args, **kwargs): @@ -64,12 +62,10 @@ class FileStream(Stream): class HTMLStream(Stream): - color = { - DEBUG: b'', - INFO: b'', - WARN: b'', - ERROR: b'' - } + color = {DEBUG: b'', + INFO: b'', + WARN: b'', + ERROR: b''} normal = b'' def __init__(self, stream=sys.stdout): @@ -104,14 +100,14 @@ class UnicodeHTMLStream(HTMLStream): self.data.append(col) self.last_col = col - sep = kwargs.get(u'sep', u' ') - end = kwargs.get(u'end', u'\n') + sep = kwargs.get('sep', ' ') + end = kwargs.get('end', '\n') for arg in args: if isinstance(arg, bytes): arg = force_unicode(arg) elif not isinstance(arg, str): - arg = as_unicode(arg) + arg = str(arg) self.data.append(arg+sep) self.plain_text.append(arg+sep) self.data.append(end) @@ -124,8 +120,8 @@ class UnicodeHTMLStream(HTMLStream): @property def html(self): - end = self.normal if self.data else u'' - return u''.join(self.data) + end + end = self.normal if self.data else '' + return ''.join(self.data) + end def dump(self): return [self.data, self.plain_text, self.last_col] @@ -143,8 +139,8 @@ class UnicodeHTMLStream(HTMLStream): class Log(object): DEBUG = DEBUG - INFO = INFO - WARN = WARN + INFO = INFO + WARN = WARN ERROR = ERROR def __init__(self, level=INFO): @@ -153,8 +149,8 @@ class Log(object): self.outputs = [default_output] self.debug = partial(self.print_with_flush, DEBUG) - self.info = partial(self.print_with_flush, INFO) - self.warn = self.warning = partial(self.print_with_flush, WARN) + self.info = partial(self.print_with_flush, INFO) + self.warn = self.warning = partial(self.print_with_flush, WARN) self.error = partial(self.print_with_flush, ERROR) def prints(self, level, *args, **kwargs): @@ -222,7 +218,8 @@ class ThreadSafeLog(Log): limit = kwargs.pop('limit', None) with self._lock: Log.print_with_flush(self, ERROR, *args, **kwargs) - Log.print_with_flush(self, self.exception_traceback_level, traceback.format_exc(limit)) + Log.print_with_flush(self, self.exception_traceback_level, + traceback.format_exc(limit)) class ThreadSafeWrapper(Log): @@ -242,10 +239,9 @@ class ThreadSafeWrapper(Log): class GUILog(ThreadSafeLog): - - ''' + """ Logs in HTML and plain text as unicode. Ideal for display in a GUI context. - ''' + """ def __init__(self): ThreadSafeLog.__init__(self, level=self.DEBUG)