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Add Julia language recognition support. Fixes #4596 #49

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68cb3ca
Add Julia language recognition support. Fixes #4596
HasTheDev Mar 5, 2026
4b01bd1
Add major language support, update boolean_attributes, and add dynami…
HasTheDev Apr 11, 2026
4193961
Fix dummy.txt OSError in attribute test
HasTheDev Apr 11, 2026
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Add major language support, update boolean_attributes, and add dynami… 
…c attribute tests
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@HasTheDev
HasTheDev committed Apr 11, 2026
commit 4b01bd179aeac43e0011d4bfa283bc8267315760
38 changes: 37 additions & 1 deletion src/typecode/contenttype.py
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Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,12 @@ class Type(object):
"is_filesystem",
"is_java_class",
"is_java_source",
"is_julia_source",
"is_python_source",
"is_javascript_source",
"is_cpp_source",
"is_rust_source",
"is_go_source",
"is_media",
"is_media_with_meta",
"is_office_doc",
Expand Down Expand Up @@ -743,7 +749,17 @@ def is_source(self):
return False

# Recognize "known-by-extension" source types
elif self.is_java_source or self.is_c_source or self.is_julia_source:
elif (
self.is_java_source or
self.is_c_source or
self.is_julia_source or
self.is_python_source or
self.is_javascript_source or
self.is_cpp_source or
self.is_rust_source or
self.is_go_source

):
return True

elif self.filetype_pygment or self.is_script is True:
Expand Down Expand Up @@ -772,6 +788,26 @@ def is_julia_source(self):
"""
return self.is_file and self.location.lower().endswith(".jl")

@property
def is_python_source(self):
return self.is_file and self.file_name.lower().endswith(('.py', '.pyw'))

@property
def is_javascript_source(self):
return self.is_file and self.file_name.lower().endswith(('.js', '.mjs'))

@property
def is_cpp_source(self):
return self.is_file and self.file_name.lower().endswith(('.cpp', '.cc', '.cxx', '.hpp'))

@property
def is_rust_source(self):
return self.is_file and self.file_name.lower().endswith('.rs')

@property
def is_go_source(self):
return self.is_file and self.file_name.lower().endswith('.go')

@property
def is_c_source(self):
C_EXTENSIONS = set(
Expand Down
20 changes: 20 additions & 0 deletions tests/test_contenttype.py
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Expand Up @@ -418,3 +418,23 @@ def test_size(self):
test_dir = self.get_test_loc("contenttype/size")
result = size(test_dir)
assert result == 18

def test_contenttype_language_attributes_exist(self):
from typecode.contenttype import get_type

# Get a Type object to test against using a dummy file extension
test_type = get_type('dummy.txt')

expected_language_attributes = [
'is_c_source',
'is_java_source',
'is_julia_source',
'is_python_source',
'is_javascript_source',
'is_cpp_source',
'is_rust_source',
'is_go_source'
]

for attr_name in expected_language_attributes:
assert hasattr(test_type, attr_name), f"ContentType is missing the expected attribute: {attr_name}"
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