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fountain.py
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"""
fountain.py
Ported to Python 3 by Colton J. Provias - [email protected]
Original Python code at https://gist.github.com/ColtonProvias/8232624
Based on Fountain by Nima Yousefi & John August
Original code for Objective-C at https://github.com/nyousefi/Fountain
Further Edited by Manuel Senfft
"""
COMMON_TRANSITIONS = {'FADE OUT.', 'CUT TO BLACK.', 'FADE TO BLACK.'}
class FountainElement:
def __init__(
self,
element_type,
element_text='',
section_depth=0,
scene_number='',
is_centered=False,
is_dual_dialogue=False,
original_line=0,
scene_abbreviation='.',
original_content=''
):
self.element_type = element_type
self.element_text = element_text
self.section_depth = section_depth
self.scene_number = scene_number
self.scene_abbreviation = scene_abbreviation
self.is_centered = is_centered
self.is_dual_dialogue = is_dual_dialogue
self.original_line = original_line
self.original_content = original_content
def __repr__(self):
return self.element_type + ': ' + self.element_text
class Fountain:
def __init__(self, string=None, path=None):
self.metadata = dict()
self.elements = list()
if path:
with open(path) as fp:
self.contents = fp.read()
else:
self.contents = string
if self.contents != '':
self.parse()
def parse(self):
contents = self.contents.strip().replace('\r', '')
contents_has_metadata = ':' in contents.splitlines()[0]
contents_has_body = '\n\n' in contents
if contents_has_metadata and contents_has_body:
script_head, script_body = contents.split('\n\n', 1)
self._parse_head(script_head.splitlines())
self._parse_body(script_body.splitlines())
elif contents_has_metadata and not contents_has_body:
self._parse_head(contents.splitlines())
else:
self._parse_body(contents.splitlines())
def _parse_head(self, script_head):
open_key = None
for line in script_head:
line = line.rstrip()
if len(line) == 0:
continue
if line.isspace() or line[0].isspace():
self.metadata[open_key].append(line.strip())
elif line[-1] == ':':
open_key = line[0:-1].lower()
self.metadata[open_key] = list()
else:
key, value = line.split(':', 1)
self.metadata[key.strip().lower()] = [value.strip()]
def _parse_body(self, script_body):
is_comment_block = False
is_inside_dialogue_block = False
newlines_before = 0
index = -1
comment_text = list()
for linenum, line in enumerate(script_body):
assert type(line) is str
index += 1
line = line.lstrip()
full_strip = line.strip()
if (not line or line.isspace()) and not is_comment_block:
self.elements.append(FountainElement('Empty Line'))
is_inside_dialogue_block = False
newlines_before += 1
continue
if line.startswith('/*'):
line = line.rstrip()
if line.endswith('*/'):
text = line.replace('/*', '').replace('*/', '')
self.elements.append(
FountainElement(
'Boneyard',
text,
original_line=linenum,
original_content=line
)
)
is_comment_block = False
newlines_before = 0
else:
is_comment_block = True
comment_text.append('')
continue
if line.rstrip().endswith('*/'):
text = line.replace('*/', '')
comment_text.append(text.strip())
self.elements.append(
FountainElement(
'Boneyard',
'\n'.join(comment_text),
original_line=linenum,
original_content=line
)
)
is_comment_block = False
comment_text = list()
newlines_before = 0
continue
if is_comment_block:
comment_text.append(line)
continue
if line.startswith('==='):
self.elements.append(
FountainElement(
'Page Break',
line,
original_line=linenum,
original_content=line
)
)
newlines_before = 0
continue
if len(full_strip) > 0 and full_strip[0] == '=':
self.elements.append(
FountainElement(
'Synopsis',
full_strip[1:].strip(),
original_line=linenum,
original_content=line
)
)
continue
if (
newlines_before > 0 and
full_strip.startswith('[[') and
full_strip.endswith(']]')
):
self.elements.append(
FountainElement(
'Comment',
full_strip.strip('[] \t'),
original_line=linenum,
original_content=line
)
)
continue
if len(full_strip) > 0 and full_strip[0] == '#':
newlines_before = 0
depth = full_strip.split()[0].count('#')
self.elements.append(
FountainElement(
'Section Heading',
full_strip[depth:],
section_depth=depth,
original_line=linenum,
original_content=line
)
)
continue
if len(line) > 1 and line[0] == '.' and line[1] != '.':
newlines_before = 0
if full_strip[-1] == '#' and full_strip.count('#') > 1:
scene_number_start = len(full_strip) - \
full_strip[::-1].find('#', 1) - 1
self.elements.append(
FountainElement(
'Scene Heading',
full_strip[1:scene_number_start].strip(),
scene_number=full_strip[
scene_number_start:
].strip('#').strip(),
original_line=linenum,
original_content=line
)
)
else:
self.elements.append(
FountainElement(
'Scene Heading',
full_strip[1:].strip(),
original_line=linenum,
original_content=line
)
)
continue
if (
line[0:4].upper() in
['INT ', 'INT.', 'EXT ', 'EXT.', 'EST ', 'EST.', 'I/E ', 'I/E.'] or
line[0:8].upper() in ['INT/EXT ', 'INT/EXT.'] or
line[0:9].upper() in ['INT./EXT ', 'INT./EXT.']
):
newlines_before = 0
scene_name_start = line.find(line.split()[1])
if full_strip[-1] == '#' and full_strip.count('#') > 1:
scene_number_start = len(full_strip) - \
full_strip[::-1].find('#', 1) - 1
self.elements.append(
FountainElement(
'Scene Heading',
full_strip[
scene_name_start:scene_number_start
].strip(),
scene_number=full_strip[
scene_number_start:
].strip('#').strip(),
original_line=linenum,
scene_abbreviation=line.split()[0],
original_content=line
)
)
else:
self.elements.append(
FountainElement(
'Scene Heading',
full_strip[scene_name_start:].strip(),
original_line=linenum,
scene_abbreviation=line.split()[0],
original_content=line
)
)
continue
if full_strip.endswith(' TO:'):
newlines_before = 0
self.elements.append(
FountainElement(
'Transition',
full_strip,
original_line=linenum,
original_content=line
)
)
continue
if full_strip in COMMON_TRANSITIONS:
newlines_before = 0
self.elements.append(
FountainElement(
'Transition',
full_strip,
original_line=linenum,
original_content=line
)
)
continue
if full_strip[0] == '>':
newlines_before = 0
if len(full_strip) > 1 and full_strip[-1]:
self.elements.append(
FountainElement(
'Action',
full_strip[1:-1].strip(),
is_centered=True,
original_line=linenum,
original_content=line
)
)
else:
self.elements.append(
FountainElement(
'Transition',
full_strip[1:].strip(),
original_line=linenum,
original_content=line
)
)
continue
if (
newlines_before > 0 and
index + 1 < len(script_body) and
script_body[index + 1] and
not line[0] in ['[', ']', ',', '(', ')']
):
newlines_before = 0
if full_strip[-1] == '^':
for element in reversed(self.elements):
if element.element_type == 'Character':
element.is_dual_dialogue = True
break
self.elements.append(
FountainElement(
'Character',
full_strip.rstrip('^').strip(),
is_dual_dialogue=True,
original_line=linenum,
original_content=line
)
)
is_inside_dialogue_block = True
else:
self.elements.append(
FountainElement(
'Character',
full_strip,
original_line=linenum,
original_content=line
)
)
is_inside_dialogue_block = True
continue
if is_inside_dialogue_block:
if newlines_before == 0 and full_strip[0] == '(':
self.elements.append(
FountainElement(
'Parenthetical',
full_strip,
original_line=linenum,
original_content=line
)
)
else:
if self.elements[-1].element_type == 'Dialogue':
self.elements[-1].element_text = '\n'.join(
[self.elements[-1].element_text, full_strip]
)
else:
self.elements.append(
FountainElement(
'Dialogue',
full_strip,
original_line=linenum,
original_content=line
)
)
continue
if newlines_before == 0 and len(self.elements) > 0:
self.elements[-1].element_text = '\n'.join(
[self.elements[-1].element_text, full_strip])
newlines_before = 0
else:
self.elements.append(
FountainElement(
'Action',
full_strip,
original_line=linenum,
original_content=line
)
)
newlines_before = 0